
12 13
246mm
9.66in
120mm
4.72in
258mm
10.13in
313mm
12.30in
502mm
19.72in
54mm
2.12in
70mm
2.76in 69
30
29
61
120*45mm
3.20kg(No battery)
502mm
258mm
246mm
313mm
70mm (chassis)
54mm (steel)
1/10
EX86170
575*275*282(H)mm
Desciption
Motor RC550/6235
ESC
Scale
Item Name
Length
Width
Height
Clearance
Weight
Wheel Base
Wheel
Radio/Rx 2.4G/8CH(XA8)
Battery Size
R/C Distance
Body Color
Gift Box Size
Piece per
Carton
<120m>100m
<142*48*55mm(L*W*H)
1P
WP-1060 / 60A
Item No
2S or 3S Lipo,
5-9 Cells NIMHBattery
Battery
Recommendations
Drive Mode
Breakover
Approach
Green / Red/ Yellow
Tip: Alwaysturn off the receiver and then the transmitter whennot in use. Clean the car before storage.
8. All the ways done,your car is ready to run. Hope you enjoy the fun in driving it.
Vehicle Maintenance:
1).Please remove thebattery pack plugor take itout, when thecar is outof use.
2).Before each use,please redo theabove steps andcheck all theparts condition ifover wear.
3).Ensure the unusedbattery pack over-discharge( recommended tobe above 40%),and keep in a dry and cool place,
out of reachof children.
4).After each use,please carefully checkall the partscondition, and repairor replace the worn part. Use a fine brush to sweep the
sand, marl andother dirt insidethe model, thenwipe it cleanlyby a softcloth.
7. EX86170 Challenger Specifications
Problem Possible Cause Solution
Electronic plugs loose or fall off
Vehicle battery not charged,
activating the ESC low voltage
cut-off to protect the battery
Switch off and reconnect
Replace/recharge the vehicle battery
Motor or ESC dirty or damaged
ESC power off by overheated Motor
Motor overheated, demagnetized or damaged
Transmitter batteries low or beyond
the remote control distance
ESC "operation mode" setting error
ESC damaged
Throttle damaged or transmitter
throttle not centered
Throttle trim out of center on transmitter
Neutral throttle is in incorrect position
Battery damaged / not charged
Throttle trim out of center on transmitter
Motor dirty/ damaged
Drivetrain dirty / damaged
replace new Motor (recommend to purchase facoty Motor)
Stop operation and cool the ESC or Motor
replace new Motor (recommend to purchase facoty Motor)
Replace the transmitter batteries,
adjust the remote control distance
Refer to manual "ESC" , set "operation mode
" into "forward and backward reverse with brake”
Relace or contact seller
Refer to manual "Transmitter", and reset
Refer to manual "Transmitter", and reset
Adjust ESC in neutral point
Check, change or recharge
Adjust (refer to manual "transmitter")
Clean/ replace
Check and clean
Stop operation, cool the ESC
No Backward,
forward normally
Car does not
respond during
operation
Car operate
automatically,
with no control
Sluggish Action
Check and rebind transmitter and receiver, refer to manual
Check and replace
Change switch position, refer to manual
Retrim or replace
Reset gear mesh
Remove gear cover and inspect. If necessary, replace gear
Reset the neutral point or replace
ESC failed or abnormal
Gear damaged or rocked
Loose or tight between
motor gear and main gear
Check the bodyshell damaged or fall off
Check the wires between
ESC and Motor correct or not
ST. REV or TH. REV
Drivetrain dirty / damaged
Wheel loose
Steering accessories damaged
Transmitter too near
interfere electronical objects
ESC power off by overheat
Lack of streering
and throttle
Vehicle moves
left / right without
steering input
Check and replace
Check and replace
Controls Reversed
Clicking noise
in operation
Only steering,
no forward
and backward
Transmitter failed or abnormal Relace or contact seller
ESC failed replace new ESC (recommend to purchase facoty ESC)
Relace or contact seller
Transmitter damaged
Normal operation,
speed shift failure
Error Operation
Gear Cable damge or loose
Servo wire inserts in wrong Receiver slot
Ensure to operate in stop status,
more refer to the Manual
Replace the accessory or Readjust
Refer to the manual, Readjust
Light Function
Failure after
Battery properly
installed
Light Plug is not connected or in wrong postion
Transmitter Set Error or Light Control
Panel Damage
Light Cable in wrong installation and connection
Check the plug connection
Reset the Transmitter. Otherwise, please check the
light control panel is damaged or not.
Readjust the installation and Connection
Switch the motor black and red wire
9. Troubleshooting
CHALLENGER
Crawler/Off-Road
Front-Wheel Drive
+4WD
Gear Ratio/Low
Gear Ratio/High
Body Type
25KG
360 / 25KG
7.4V/9G (Gear/Lock)
26.3:1(F), 28:1(R)
49.8:1(F), 53:1(R)
PC Soft With Roll-cage
Steering Servo
Winch Servo
Function Servo