ULTIMATE TOP DRIVES Cabra User manual

Ultimate Top Drives Manufacturing, LLC
7451 FM 3009 Schertz, Texas 78154
210-651-5700

CABRA OWNER’S MANUAL
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Contents
Introduction ......................................................................................................................................................................................... 3
Safety .......................................................................................................................................................................................................... 4
OPERATOR.................................................................................................................................................................................... 4
Rollover...................................................................................................................................................................................... 4
Crushing hazard ................................................................................................................................................................. 4
Quail seat ................................................................................................................................................................................... 6
Electrocution ........................................................................................................................................................................ 6
Steering ....................................................................................................................................................................................... 7
Brakes ........................................................................................................................................................................................... 7
parking brake ........................................................................................................................................................................8
Guns .................................................................................................................................................................................................8
Seat belts ..................................................................................................................................................................................8
Driving through water ................................................................................................................................................8
Doors.............................................................................................................................................................................................8
Capacities, dimensions, and weights.............................................................................................................................. 9
normal operations .......................................................................................................................................................................10
ignition..........................................................................................................................................................................................10
Shifter ..........................................................................................................................................................................................10
Steering ......................................................................................................................................................................................10
electric drivetrain...........................................................................................................................................................10
lithium ion battery pack and charging ...........................................................................................................11
hybrid system with generator (if equipped)............................................................................................. 13
12-volt systems .................................................................................................................................................................... 14
cab lifting system .............................................................................................................................................................. 14
display.......................................................................................................................................................................................... 15
lights .............................................................................................................................................................................................16
windshield wiper................................................................................................................................................................ 17
folding windshield and frame ............................................................................................................................... 17
convertible top .................................................................................................................................................................. 17
bazooka sound bar (if equipped) ....................................................................................................................... 18
feeders (if equipped) ........................................................................................................................................................19
recovery winch (if equipped) ...................................................................................................................................19
game lift system (if equipped) ..................................................................................................................................19
Maintenance........................................................................................................................................................................................... 21
generator (if equipped) ................................................................................................................................................ 21

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axle fluid..................................................................................................................................................................................... 21
suspension lubrication ............................................................................................................................................ 22
quail seat doors and charge door sensors .................................................................................... 22
troubleshooting........................................................................................................................................................................... 23
towing the cabra ............................................................................................................................................................ 23
vehicle will not turn on ............................................................................................................................................ 23
vehicle will not respond to throttle inputs (will not move) .............................................. 23
vehicle barely moves and feels like a parking brake is on..................................................... 24
vehicle will not go over 12 mph........................................................................................................................... 24
steering seems loose .................................................................................................................................................. 25
Jacking vehicle .................................................................................................................................................................... 26
WARRANTY.............................................................................................................................................................................................. 27
Supplement manuals
Cummins Generator manual
Bazooka soundbar manuals
Recovery winch manual
Game winch manual

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Introduction
Congratulations on the purchase of your Cabra! We hope it enhances the way you hunt
and enjoy the outdoors.
Due to the unique design of this vehicle, it has significant differences in operation from
typical cars, trucks, and other off-road utility vehicles. Some of the differences can have
dire consequences if this vehicle is not operated properly.
READ AND BE FAMILIAR WITH ALL ASPECTS OF THIS OWNER’S
MANUAL BEFORE OPERATING THIS VEHICLE.

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Safety
•OPERATOR –The operator of the Cabra must be at least 16 years old and have a valid
driver’s license. They must not be under the influence of drugs or alcohol. The operator
must ensure that all operating guidelines including maximum capacities are being
followed.
•Rollover –The Cabra has a higher center of gravity than a typical car or truck and is
thus more prone to rollover. Extreme care must be taken to not turn sharply, especially
at high speeds. This issue is even more critical with a full load of occupants and the cab
raised up. Overloading the cab of the Cabra will drastically change the design center of
gravity and make the vehicle much more prone to rollover.
Driving on extreme side to side slopes will also cause the vehicle to rollover. The
guidelines for maximum side to side grade is as follows:
-Cab in lowest position: do not exceed 22 degrees side to side slope.
-Cab anywhere above the lowest position: do not exceed 12 degrees side to side
slope.
The side to side slope is indicated by the LEV-O-GUAGE above the steering wheel.
*EVEN IF YOU DON’T EXCEED THE SLOPE GUIDELINES, THE CABRA CAN STILL ROLLOVER IF
YOU MAKE SHARP TURNS. The combination of side to side slopes and sharp turns
is very dangerous.
•Crushing hazard –Because the cab of the Cabra moves up and down, there is an
inherent risk of crushing anyone or anything that is below the cab when it is lowering. By
design there is a safety gap between the bottom of the cab and the base of the vehicle.

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Never place objects on the base of the vehicle below the cab as this will diminish the
safety gap.
IF ANYONE NEEDS TO BE UNDER THE CAB FOR MAINTENANCE OR ANY OTHER REASON, THE
CAB SHOULD BE RAISED UP HIGH ENOUGH TO DEPLOY THE 4 SAFETY TUBE LOCKING PINS
AND THE CAB SHOULD BE LOWERED DOWN TO REST ON THE PINS. This is accomplished
using the remote cab raising/lowering switch located inside the charge door. The power
does not have to be on to operate this switch.
Before each use of the Cabra, always make sure the hydraulic hose going into the
hydraulic rams is free to move and that there is no chafing. There is a safety hose burst
valve installed on the rams so that if the hydraulic hose breaks the valve closes and the
cab will not come down. The only way to get the cab to come down in that event is to
restore hydraulic pressure to the hydraulic rams.
Never allow anyone to get under the cab without the tube locking pins
deployed. Even though there are safety features built in, the only thing keeping
the cab from crashing down is the hydraulic rams. It is possible for them to
crack or have a seal blow out.
When lowering the cab from the driver’s seat always check the camera view
on the display to make sure there are no obstructions below. When the cab is
lowering, the image automatically comes up on the display, however, If you are
parked and suspect that people or animals might be below, the camera image
can be brought up by pushing the appropriate button on the display before
lowering.

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•Quail seat –No occupants under the age of 16 years old are allowed on the front quail
seat and platform. All occupants shall wear a seatbelt while the vehicle is moving. If a
person steps off of the platform while the vehicle is moving, the front tire
can RUN OVER THEM. The safety gates on the platform are designed to prevent this
hazard. If the gate is opened while the vehicle is moving, the vehicle should go into
regenerative braking and come to a stop on flat terrain. On sloping terrain, the driver will
have to apply brake pedal pressure to come to a complete stop. If occupants are going to
use the quail seat, the gates should be tested by opening the gates and making sure the
vehicle will not move. The switches can get sticky over time and a quick spray of WD40
on the switch will make sure it operates properly.
•Electrocution –The Cabra utilizes a 20 KWH 96-volt DC battery pack. Touching the
bare portions of those power cables or components can cause electrocution resulting in
injury or death. The battery compartment is accessible below the access panel behind the
quail seat. The battery pack can be disconnected by pulling apart the red
battery cable connector below the quail seat. The battery pack must be
disconnected before removing the battery pack access panel or doing any
work on the 96-volt system which includes the motors and controllers. Care
must be taken any time the quail seat cover is raised. The front motor controller and front
motor are accessible from here. The rear motor controller and motor are accessible from
the rear compartment hatch. The battery must be disconnected before handling them.
The main power cables running from the battery pack area to the rear motor controller
run underneath the right-side dog boxes. Do not drill, weld, or cut anywhere on the
vehicle without first consulting UTD. Doing so could cause a direct short on
the 96-volt system and cause electrocution or fire.

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•Steering –The Cabra utilizes an electric over hydraulic power steering system. The
shaft from the steering wheel goes through an electric power steering gearbox which
boosts the input power of the driver turning the steering wheel. There is an electronic
control unit next to the steering gearbox which senses the input torque. Care must be
taken when opening the dash panel to not disturb the signal wires which
could cause un-commanded turning while driving. Work behind the dash panel
should only be performed by UTD technicians or those trained on the Cabra.
The output shaft of the electric power steering gearbox turns a hydraulic pump which
then uses hydraulic fluid to actuate the hydraulic ram which turns the wheels. In the event
of a loss of electric power you will still have steering, but it will require much more effort
to steer.
•Brakes –The Cabra utilizes regenerative braking. The position of the foot throttle
determines the speed the motor controllers are constantly working to achieve. The brake
pedal is not linked to this system. The regenerative braking is only determined by the
position of the foot throttle. For example, if the driver pushes the foot throttle to 50%,
the controllers will accelerate the vehicle to approximately 18 mph. If the driver then
releases the throttle to 0%, the controllers will command regenerative braking which
reverses the flow of electricity and charges the battery pack until the vehicle comes to a
stop on flat ground. (If going downhill it will not come to a complete stop without pressing
on the brake pedal.) If the battery pack is fully charged and the vehicle
immediately goes down a steep hill, the battery management system (BMS) will
protect the battery pack from overcharging and will significantly reduce
regenerative braking. Running the Cabra in hybrid mode while the state of
charge (SOC) is above 80% will also reduce regenerative braking. Loss of
electrical power to the motor controllers will completely eliminate
regenerative braking. With little or no regenerative braking, the force required on the
brake pedal is significantly more than a typical modern vehicle since it is a manual
hydraulic brake system without any power assist.

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•parking brake –The parking brake is an electrically actuated brake mounted directly
on each electric motor. The parking brake is only actuated when the shifter is in park,
however, if the shifter is moved to the park position while the vehicle is moving,
the parking brake will not engage until the vehicle comes to a complete stop. If
the ignition is turned off, the parking brake is immediately turned on. Turning off the
ignition while the vehicle is moving will damage the parking brakes.
•Guns –Guns must be unloaded and secured in the scabbards or gun racks while the
vehicle is moving.
•Seat belts –All occupants must wear seat belts while the vehicle is moving.
•Driving through water –Do not drive through more than 18” of water. Doing so
may get water into the generator or electrical systems which can cause significant
damage.
•Doors –Cab doors must be closed when the vehicle is moving. The doors are equipped
with electronic locks for safety purposes. The latch is disabled when the cab is raised
above the fully down position to prevent the opening of doors from an elevated position.

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Capacities, dimensions, and weights
•Maximum loads
-7 people maximum
-5 people or 1,000 pounds in cab including gear (whichever is greater)
-2 people or 500 pounds on quail seat and platform including gear (whichever is greater)
-1,900 pounds total maximum weight capacity in vehicle (including people, gear, dogs, and
harvested game)
overloading the Cabra will dramatically change the center of gravity and make
the vehicle more susceptible to rollover.
•Vehicle empty weight –5,100 pounds
•Wheelbase –129”
•Width –98” to steps – 93” with Steps up - 82” O/S tire to O/S tire
•Length –221” with spare tire – 213” w/o spare tire
•Cab down height –93” – 121” with convertible top up
•Cab up height –129” – 157” with convertible top up
•generator fuel capacity –15 gallons –(Use unleaded gasoline with a minimum octane
rating of 87 and less than 10% ethanol or 5% methanol)
•Hydraulic power unit –5-quart capacity –fill to 4 quarts with cab DOWN

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normal operations
•ignition –The Cabra utilizes a 3-position switch to power up the vehicle. You must turn
the key all the way to the right until the display comes on, then release the key which will
spring back to center and stay on. Turn the key all the way to the left to turn off.
If the Cabra is left on for 15 minutes drawing less than 5 amps, it will automatically turn
off to protect from accidentally draining the battery pack. If this occurs, simply turn the
key all the way to the right again to wake it up.
•Shifter –The shifter is a 3-position shifter with park, reverse, and drive. In the park
position, the motor controllers are in neutral and the parking brake is on. In the reverse
or drive position, the parking brake is automatically disengaged. Since there is no typical
transmission, shifting while moving will not damage the vehicle, however, If the driver
shifts gears from forward to reverse or reverse to forward while applying
the foot throttle, the Cabra will violently stop and go the other direction.
Shifting into park while moving will not damage the vehicle but the parking brake will
not come on until the vehicle comes to a complete stop.
•Steering –The steering system utilizes electric power assist. The amount of assist can
be adjusted with the small knob to the right of the steering wheel. The best position for
typical driving is around 50% assist. 100% assist should only be used while turning in tight
spots. Leaving the assist at 100% with lots of turning could overheat the unit and decrease
or even stop all assist. If the assist shuts down completely, it can usually be reset by
turning the ignition off and back on. When driving at high speeds, turn down the assist so
that the steering is less sensitive.
•electric drivetrain –The Cabra utilizes an electric drive train which consists of an
electric motor on each axle. Each motor has its own controller and these controllers are

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constantly communicating with each other to keep their speed synchronized to improve
traction in muddy or loose terrain. The Cabra drives a little differently than typical internal
combustion engine vehicles. The position of the foot throttle determines the speed the
motor controllers are targeting to achieve. When the driver takes their foot off the
throttle the controllers will begin slowing the vehicle using regenerative braking. Under
normal conditions the foot brake is hardly used unless trying to stop fast or going down a
steep hill. In some cases, regenerative braking can be diminished so the driver
should always be ready to use the foot brake if needed.
•lithium ion battery pack and charging - The most expensive component in the
Cabra is the battery pack. There is a battery management system (BMS) installed which
constantly monitors multiple parameters of the battery pack and controls other
components in the Cabra to protect the battery pack. Multiple diagnostic pages are
available to the user on the display. If the Cabra does not seem to drive normally, contact
UTD and we can usually diagnose over the phone while the user is looking at the
diagnostic pages.
The cabra should never intentionally be driven below 5% state of charge (soc).
At 5% the BMS will significantly reduce power output and shut down if it gets too low.
Leaving the battery pack at a low SOC will damage the pack.
The Cabra can be charged at 120V or 240V. At 120V it will take approximately 13 hours to
charge to 95% from 5% SOC. At 240V it will take a little over 3 hours to charge to 95%
from 5% SOC.
The full state of charge on the Cabra is de-rated to 97% to increase the longevity of the
battery pack.
When storing the Cabra for long periods of time it is best to leave it with a 40-70% SOC
and not leave it plugged in. The Lithium Ion batteries maintain their charge state
extremely well and should not lose more than 3% SOC per month. Leaving the battery
pack at full charge can diminish the longevity of the pack and letting the pack
fall to 0% SOC will ruin the battery pack.
Charging is achieved by using one of the supplied adapters to plug into a 120V or 240V
outlet. Do not use any other adapters than those supplied with the vehicle as
doing so can cause damage to the vehicle. If you need a different adaptor, contact
UTD, and we can probably make you one.

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The charge door in the Cabra has a safety switch which will force the motor controllers
into neutral so the Cabra cannot accidentally be driven when it is plugged in.
Periodically check to make sure the safety switch disables driving as this
switch can get sticky. A spray of WD40 will loosen up the switch.
Cold weather operations –The BMS constantly monitors the temperature of the
battery pack. If the battery pack gets below 40 degrees Fahrenheit, it will start to limit the
amount of charge it will take and will not allow charging when it is below 32 degrees
Fahrenheit which affects regenerative braking. If the battery pack gets below 0 degrees
Fahrenheit, the BMS will not allow discharge. This is usually not an issue in climates like
Texas because the act of charging and discharging will raise the battery temperature
above the ambient temperature but if the Cabra is left outside in sub-freezing

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temperatures, the battery pack will have to warm up by driving before it will allow
charging.
•hybrid system with generator (if equipped) –The Cabra is equipped with a
7,000-watt Cummins generator which can charge the battery pack while driving or parked
if there is no electrical power available in a remote location. The power output of the
generator can also be used to power electric tools and appliances in remote locations.
Do not try to run any other tools or appliance while charging as this will
overload the system.
To charge the Cabra with the generator make sure the charging cord is plugged into the
generator output panel and the breaker switch on the panel is on. Start the generator
with the generator start switch on the dash panel. If the generator has not been started
recently, push the bottom of the switch for a few seconds first to prime, before pushing
the top of the switch to start. Let the generator warm up for a minute or two and then
turn on the A/C power switch - this energizes the generator output panel. Check the
display to make sure “hybrid mode” is indicated. Now the generator is charging the
battery pack. Do not drive in hybrid mode when the Soc is above 80% as this will
adversely affect regenerative braking and may damage the battery pack. It is
fine to charge with the generator above 80% SOC as long as the Cabra is not moving. Once
full SOC is achieved it will automatically stop charging but the generator will keep running.
Plan your trip. A full SOC will go approximately 30-35 miles under normal driving
conditions. The generator provides enough power output to drive the vehicle an average
of 11-13 MPH. When driving faster, the SOC will be slowly diminished, and when driving
slower, the SOC will slowly increase. Typical use is to run the generator while driving fast
to get to the area you want to hunt and turn off the generator while driving slowly when
stealth is needed. If you do not need to drive more than 30 miles before being able to
plug in, you do not need to use the generator at all.

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Read the Cummins generator owner’s manual in the supplements before
operating.
•12-volt systems –All other Cabra electrical systems (besides the drivetrain and
generator) run on 12-volt power. The main 96-volt battery pack powers a DC/DC
converter which converts the 96 volts down to 12 volts. This works like an alternator on
an internal combustion engine. The converter puts out 1,000 watts at 12 volts DC which
is sufficient to handle all the constant demand power requirements on the Cabra. When
power is on, it is constantly charging the 12-volt battery which is in the compartment
below the quail seat. When more than 1,000 watts is required (such as when raising the
cab or using one of the winches) the 12V battery steps in to handle the peak loads.
•cab lifting system –The cab of the Cabra is raised and lowered hydraulically. There
is an electrically operated hydraulic power unit in the rear compartment of the vehicle.
There are 2 rocker switches that control the raising and lowering of the cab. One switch
is on the generator output panel inside the charge door - that switch does not need
vehicle power to be on to operate. There is also a rocker switch on the shifter console.
Vehicle power must be on for that switch to operate. To raise the cab, push the top of the
rocker switch. This pumps fluid from the tank in the hydraulic power unit into the lifting

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hydraulic rams and raises the cab. To lower the cab, push the bottom of the rocker switch
which opens a valve in the hydraulic power unit which allows gravity to lower the cab and
return the fluid to the tank. Do not fill the tank on the hydraulic power unit with
the cab raised. When the cab lowered it will over fill the tank and blow
hydraulic fluid into that compartment.
When lowering the cab from the driver’s seat always check the camera view
on the display to make sure there are no obstructions below. If you are
parked and suspect that people or animals might be below, the camera image
can be brought up by pushing the appropriate button on the display before
lowering.
When the cab is raised anywhere above the fully down position a magnetic switch is
opened which does two things: (1) the speed is governed to 12 MPH and (2) the electronic
cab door latches are disabled.
There is a relief valve in the hydraulic power system that will relieve pressure if the cab is
significantly overloaded and will not raise the cab.
Watch out for power lines –Because of the height of the cabra, the vehicle or
people could come into contact with low hanging power lines which could
cause serious injury or death.
Balance the load in the cab –If the weight in the cab is significantly unevenly
distributed, it will cause the cab to sit out of level. In this state, the support tubes can rub
against the guide tubes while raising and lowering and scratch the paint on the tubes.
However, since they are aluminum, the damage is only cosmetic.
•display –The main page of the display in the Cabra shows all pertinent driving
information such as speed, state of charge, main battery pack voltage, amperage draw,

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generator fuel level and more. Upon turning on the vehicle the status should say “system
ok”. If the generator is on and charging it will say “hybrid mode”. If the cab is raised it will
say “cab raised” and the speed is governed to 12 MPH and the electronic door latches are
disabled. Other status indicators may describe a fault in which you should contact UTD
for troubleshooting.
There are multiple diagnostic pages which help a qualified technician troubleshoot issues
or problems. In the event there are problems, consult a UTD technician to walk you
through them over the phone.
•lights –There are two light switches on the instrument panel to the right of the steering
wheel. One switch turns on and off the headlights. The other rocker switch turns on the
front light bar with the top of the switch and the rear bed lights with the bottom of the
rocker switch.
There is also an interior light on the Bazooka sound bar if equipped. See below for
operating instructions.

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•windshield wiper –The windshield wiper switch is on the instrument panel to the
right of the steering wheel. The top of the rocker switch turns on the wiper for continuous
use. The bottom of the rocker switch is spring loaded momentary switch which operates
the wiper for as long as you hold the button. There is a magnetic switch on the windshield
frame that opens and disables the wiper when the windshield is folded down.
•folding windshield and frame –The windshield frame can be folded up with or
without the windshield. The windshield frame must be up to use the convertible top. To
raise the frame, remove the thumb screws from each side of the dash cap, pull the
windshield up, and replace the thumb screws tightly. It can take a good bit of effort to
pull the windshield out of the receiver sockets when it is down. The windshield can be
raised and lowered with the frame up by opening the black windshield latches. When
mating the windshield to the frame make sure the latches are open so that the windshield
seats properly into the frame.
When raising or lowering the windshield, make sure the shooting rail is collapsed to its
lowest position because it will hinder holding onto the windshield all the way down to
where it sits in the sockets.
*Never trailer the Cabra with the windshield frame and convertible top up.
•convertible top –To raise the top, remove the thumbscrews from the side of the
cab, raise the top to vertical and put the thumbscrews in the other holes on the side of
the cab. Always make sure the thumbscrews are tight, to prevent loss. Unfold the top and
pin it to the windshield frame with the 3/8” pins while moving the other pinned joint
slightly up and down to get the pins lined up with the receiver holes on the windshield
frame. Once the front of the top is pinned to the windshield frame, insert the pins in the
other pinned joint. To lower the top, reverse the process. Always make sure to secure
the tube frame of the top to the 3/8” thick aluminum side pieces to keep the top secure
in the wind.

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•bazooka sound bar (if equipped) –The Bazooka sound bar is located in front of
and below the rear cab bench seat. The controller is on the dash panel and there is also a
loose remote controller. The sound bar can also be controlled by an iphone app.
Detailed instructions for the bazooka sound bar are found in the
supplemental manuals.
•battery compartment heater (if equipped) –The available battery compartment
heater is activated by the BMS. The heater will turn on when vehicle power is on or the
charge cord is plugged into an energized outlet, and the battery pack gets below 40
degrees Fahrenheit. When leaving the Cabra out in sub-freezing weather leave the charge
cord plugged into an energized outlet so that the battery pack will be kept warm and
ready for use.
There is a switch on the battery heater. This switch should be left in the “HIGH” position
at all times.

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•feeders (if equipped) –There are two separate 100# feeders built into the rear of the
vehicle. To fill the feeders, lower the tailgate and raise the cover. There are two
momentary rocker switches on the shifter console which activate the feeders.
•recovery winch (if equipped) –The Cabra is equipped with a 5000# portable
recovery winch. This winch is intended for light duty recovery and is light enough to be
moved and installed on the front or the rear receiver hitch of the Cabra. Simply install in
either receiver hitch and plug it into the Anderson connector adjacent to the receiver. The
remote is then plugged into the connector just above the charge door. (There are two
connectors –one is for the recovery winch and one is for the game lift winch. They both
use the same remote). The remote can be held by the driver and operated while driving
the Cabra.
*using a recovery winch can be dangerous
The owner’s manual for the game recovery winch is found in the supplemental
manuals.
•game lift system (if equipped) –The game lift system on the Cabra is designed to
aid the loading of game into the rear bed. It is designed to lift a maximum of 700 pounds.
To use the system, first plug the remote into the connector above the charge door and
raise the cab up high enough to access the thumb screws and tube pin for the 2”square
telescoping tube below the cab. Loosen the thumb screws, pull out the tube pin, let out
about 10’ of winch rope, slide the 2” tube all the way back, reinsert tube pin and raise the
cab all the way up. Lower the tailgate and attach the winch rope to the appropriate part