NMC-WOLLARD MB-4 200-DF User manual
M200 MB4 Tow Tractor Manual No. 42975
FLIGHT LINE
TOW TRACTOR
MB-4
16,000 DBP
OPERATION, MAINTENANCE AND PARTS
MANUAL
MODEL 200-DF
NSN: 1740-01-375-5849 YW
PART # 2016 (NON-AIR EQUIPPED)
AND
NSN: 1740-01-487-3996YW
PART # 2016AIR (AIR EQUIPPED)
TO: 36A10-3-46-1
NMC-WOLLARD, Inc.
2021 Truax Blvd.
Eau Claire, WI 54702
715-835-3151
Fax 715-835-6625
nmc-wollard.com
M200 MB4 Tow Tractor Manual No. 42975
PAGE 2
JULY 15, 2001
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of
its constituents are known to the
State of California to cause cancer,
birth defects, and other reproductive
The information contained in this manual is
subject to change without notice.
Copyright 2000
NMC-Wollard, Inc.
This manual is available on CD-ROM P/N 43532
Keep a copy of your NMC-Wollard, Inc. manuals on your computer or CD-ROM! You will be
able to print pages and adjust page view anywhere between 25%-400%. Our view-only
manuals contain hypertext links in the tables of contents, so by mouse-clicking on a table of
contents entry, the page containing that item will automatically be displayed.
Requirements (minimum): PC with Windows 95 or newer, 486 processor (586 recom-
mended), 8MB RAM, VGA monitor, mouse.
IMPORTANT SAFETY NOTICE
There are numerous variations in procedures, techniques, tools, and parts for servicing tow
tractors, as well as in the skill of the individual doing the work. This manual cannot possibly
anticipate all such variations and provide advice or cautions as to each. Accordingly, any-
one who does not follow the instructions provided in this manual must first make sure that
they do not endanger their personal safety or tractor integrity by their choice of methods,
tools, or parts.
M200 MB4 Tow Tractor Manual No. 42975
PAGE 3
JULY 15, 2001
Prior to starting any task, first read the
WARNINGS or CAUTIONS included in
the text for that task.
CAUTION is used in this manual to indicate hazards or
unsafe practices which could result in equipment dam-
age.
WARNING is used in this manual to indicate hazards or
unsafe practices which could result in personal injury or
death.
TO: HOLDERS OF NMC-Wollard, Inc. OPERATION AND MAINTENANCE MANUAL num-
ber 42975
REVISION NO. 1 DATED 02/09/01
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 1 dated 02/09/01.
Chapter/Page No. Description of Changes Effectivity
Revision added
Effectivity Code page updated
9/5 Change lug nut torque specs from 550
to 420; remove lubed torque
10/3-7 Parts Index updated
10/42 & 43 Drawing update and added new parts
10/56 & 57 Drawing update and added new part A
TO: HOLDERS OF NMC-Wollard, Inc. OPERATION AND MAINTENANCE MANUAL num-
ber 42975
REVISION NO. 2 DATED 03/31/01
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 2 dated 03/31/01
Chapter/Page No. Description of Changes Effectivity
All
M200 MB4 Tow Tractor Manual No. 42975
PAGE 4
JULY 15, 2001
TO: HOLDERS OF NMC-Wollard, Inc. OPERATION AND MAINTENANCE MANUAL num-
ber 42975
REVISION NO. 3 DATED 07/15/01
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 3 dated 07/15/01
Chapter/Page No. Description of Changes Effectivity
All Funk Transmission Repair Parts Added All
All Air Brakes System Operation, Maintenance
And Repair Parts Added All
TO: HOLDERS OF NMC-Wollard, Inc. OPERATION AND MAINTENANCE MANUAL num-
ber 42975
REVISION NO. 4 DATED 10/30/01
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 4 dated 10/30/01
Chapter/Page No. Description of Changes Effectivity
½ Changed towing load weight from
16,000 lbs to 160,000 lbs
TO: HOLDERS OF NMC-Wollard, Inc. OPERATION AND MAINTENANCE MANUAL num-
ber 42975
REVISION NO. 5 DATED 01/15/02
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 5 dated 01/15/02
Chapter/Page No. Description of Changes Effectivity
Intro/5, 7, 17 Updated Page Revision & TOC
10/1 Updated TOC
10/5-9 Updated Part Index
10/161 38906 Hitch added
PAGE 5
JANUARY 15, 2002
M200 MB4 Tow Tractor Manual No. 42975
REVISION NO. 6 DATED 06-30-02
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 6 dated 06/30/02
Chapter/Page No. Description of Changes Effectivity
Cover Revised to correct model designation all
Introduction/6,7 Revision record updated all
10/16,17 Axle spring part added all
10/141,146,147 Wheel/Tire parts updated
Relays, engine accessories updated all
REVISION NO. 7 DATED 01-02-03
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 7 dated 01-02-03
Chapter/Page No. Description of Changes Effectivity
6,7 Rev 7 added All
1-6,7 Air Brake instruction updated All
10-1,2,5-9,32,33,36-41,44-46,
95,96-105,111,118-121,161,1
62
TOC updated,Index updated, battery,decals and cab
updated. Park brake pads added. Exhaust, frame, fuel sys.
Updates,Trans Sensor added, #NW35892 was corrected,
air sys. updated. Hitch option added.
All
REVISION NO. 8 DATED 07-31-03
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 8 dated 07-31-03
Chapter/Page No. Description of Changes Effectivity
Intro/14-17 TOC updated All
3/2-4,10-16 TOC updated, accumulator maintenance added All
6/6.1,6.2,7 Effectivity Codes moved to pg. 6.2, Rev 8 added All
1/10,15,17,18 Axle lube specs added. Air diagram updated, Fig 9,
Fig 10 Updated
All
2/2,2-7 Air Brake instructions updated. Emergency stop
revised.
All
8/5,6 Park Brake Service added all
10/5-9,13,39,55,94,95,101,102,103
118-121,133,136,137,142-145,162
Parts Index updated, duplicate filler deleted, Caliper
Components added, 43481-1 added, door handle
parts revised,filter element revised, NW35401
Components added, air system updated, 203004
added, blower motor parts added shifter components
added. Alarms added. Winterization kit added.
All
M200 MB4 Tow Tractor Manual No. 42975
PAGE 6
JULY 31, 2004
REVISION NO. 9 DATED 01-31-04
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 9 dated 01-31-04
Chapter/Page No. Description of Changes Effectivity
Intro/6.1,7,12-16 Rev. 9 added, TOC updated, pages renumber All
10/1,2,5-9,21,23,25,27,31,37,39,45
,57-93,95,102-104,143
TOC Updated, Parts index updated, Axle parts
updated,Vendor Part Nos. corrected,YZ17606
added,Funk Transmission Parts updated, heater
updated, NW030236 added
All
REVISION NO. 10 DATED 07-31-04
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 10 dated 07-31-04
Chapter/Page No. Description of Changes Effectivity
Intro/6.1-6.2 Rev. 10 added, Added Eff B&C All
Chapt. 1/1,5-7,12,14,15,17,18 TOC update, park brake indicator added, Updated
schem.#43840, 42989, 43748, 42958 & 43886.
All
Chapt. 2/2-7 Parking brake instructions, pages reformat All
Chapt. 8/1,5-8 TOC update, parking brake service added. Revised
8.10, revised figure 8-3, added figure 8-4.
All
Chapt. 10/1,2,5-9,34-35,94-95,
118-121,
142-147,153,157,161-164
TOC Updated, Parts index updated, updated park
brake lever ill & parts list, added item 9A, update
schem 43840 w/ 44704 parts (EffB&C),#29was
#27, added 37247, NW035383, deleted 41441, added
2 relays and switch to firewall, updated harnesses,
added 44782, pages renumbered
All
REVISION NO. 11 DATED 11/30/05
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 11 dated 11/30/05
Chapter/Page No. Description of Changes Effectivity
Intro/Cover,6.1, 7 Rev. Cover, Rev. 11 added All
2/TOC.2-3.9-10 Update TOC.Update Operator’s Control.Added Certification Letter All
3/TOC.4,6-15 Update TOC.Update Trans. Lubrication, misc. text flow. Add
air/hyd actuator service & inspect air system.
All
8/TOC.5.6-8. Update TOC.Delete Brake Pedal Angle Adjusment. Update adjust
Park Brake Lever, misc. Text flow.
All
10/5-9. 45,49,51.
58-95. 119
Update Parts Index.Misc chgs. Trans repair kits added. Changed
43730 to 45545, add chap 5 ref - 2 places
All
11/ Mfr’s info added for Mico Air/Hyd actuators, Bendix Air Dryer,
Allied Signal Air Brake Valve
All
M200 MB4 Tow Tractor Manual No. 42975
PAGE 6.1
NOVEMBER 30, 2005
REVISION NO. 12 DATED July 31, 2006
Pages that have been revised are outlined below, together with highlights of the revision.
Please delete the affected pages and enter Revision No. 12 dated 07/31/06
Chapter/Page No. Description of Changes Effectivity
Intro/6.2, 7 Revision 12 added All
1/1/18 Update 43886 All
3/1-16 Periodic maintenance wheel bolt torque revised. Pintle hitch
re-torque added. Wheel bolt, 400 ft-lbs was 550.
All
Air brake maintenance added (3.6.5.2 and 3.6.6). All following
pages renumber. TOC updated
All
9/4,7 Wheel bolt, 400 ft-lbs was 550. All
10/21. 39. 45. 162 Kit 45868 added. NW035744-45 added. Kits 45866-7 added. Pintle
hitch bolts updated
All
10/42,43 U-Joint parts and repair kits updated All
REVISION NO. 13 DATED January 31, 2007
Chapter/Page No. Description of Changes Effectivity
Intro/6.2, 7 Revision 13 added All
1/3 It is not uncommon to hear clutches engage........added All
1/9 Bolt torque SAE reference updated All
6/2 Fuel tank removal procedure corrected All
10/42,43 Trans & Axle ends of drive shaft switched, corrected All
REVISION NO. 14 DATED July 31, 2007
Chapter/Page No. Description of Changes Effectivity
3/10-15 Note to restart hydraulic system after draining fluid added, pages
renumber.
Hydraulic
Brakes
EFFECTIVITY CODE
This manual is effective on units having the following serial numbers:
Effectivity Code Serial Numbers
A 13013-00 & later
B 13084-03 & earlier
C 13085-03 & later
M200 MB4 Tow Tractor Manual No. 42975
PAGE 0-7
JULY 31, 2007
REVISIONS RECORD
PAGE 0-7
JULY 31, 2007
M200 MB4 Tow Tractor Manual No. 42975
Rev.
#
Issue
Date
Date
Inserted
Initial
1 02/09/01 02/09/01 NMC-Wollard,
Inc.
2 03/31/01 03/31/01 NMC-Wollard,
Inc.
3 07/15/01 07/15/01 NMC-Wollard,
Inc.
4 10/30/01 10/30/01 NMC-Wollard,
Inc.
5 01/15/02 01/15/02 NMC-Wollard,
Inc.
6 06/30/02 06/30/02 NMC-Wollard,
Inc.
7 01/02/03 01/02/03 NMC-Wollard,
Inc.
8 07/31/03 07/31/03 NMC-Wollard,
Inc.
Rev.
#
Issue
Date
Date
Inserted
Initial
9 01/31/04 01/31/04 NMC-Wollard,
Inc.
10 07/31/04 07/31/04 NMC-Wollard,
Inc.
11 11/30/05 11/30/05 NMC-Wollard,
Inc.
12 07/31/06 07/31/06 NMC-Wollard,
Inc.
13 01/31/07 01/31/07 NMC-Wollard,
Inc.
14 07/31/07 07/31/07 NMC-Wollard,
Inc.
GENERAL SPECIFICATIONS
M200 MB4 Tow Tractor Manual No. 42975
PAGE 8
JULY 15, 2001
Type of Vehicle:
Four Wheel Drive, Four Wheel Steer, Model 200 Towing Tractor
Gross Weight -----------------------------19,600 lbs.
Drawbar Pull -----------------------------16,000 lbs.
DBP/GVW may vary ±15%. DBP measured at 14”.)
Turning Radius (4 Wheel) --------------------------130”
Turning Radius (2 Wheel) --------------------------210”
Speed, Front ----------------------------25mph+/-1.5
Speed, Rear -------------------------------2.4mph
Fuel Tank
Capacity ----------------------------20.7 Gals. (78.3 L)
Cooling System
Capacity ----------------------------------40qts.
Pressure Cap--------------------------------14psi.
Front Axle
Make -----------------------------Clark Hurth (Dana)
Ratio ------------------------------------12.3:1
Type ---------------------------Steerable, Fixed Center
Rear Axle
Make -----------------------------Clark Hurth (Dana)
Ratio ------------------------------------12.3:1
Type -------------------------Steerable, Oscillating Center
ENGINE AND TRANSMISSION SPECIFICATIONS
Transmission
Make ................ Funk
Type . . Power Shift W/Torque Converter
Model ................ 2000
Fluid .................. C3
Filter ....Converter Mounted Cartridge
Part No. ............ NW32664
Suction Screen Assembly Part No. 37075
Gear Ratios
Forward
F1.................. 5.5:1
F2................. 3.53:1
F3................. 2.94:1
F4................. 2.00:1
F5................. 1.41:1
F6.................. .80:1
Reverse
R1.................. 5.2:1
R2................. 3.53:1
R3................. 1.41:1
Engine For Tractor w/Hydraulic Brake
Model..........Cummins6BT5.9
Displacement .............5.9
Horsepower @2200 RPM.... 152BPH
Torque @1200 RPM......414ft.lbs.
Number of Cylinders...........6
Firing Order .......... 1.5.3.6.2.4
Aspiration.........Turbo Charged
Cooling ..................
Coolant Capacity ..........40qt.
Thermostat ..........181deg. F
Oil Capacity............17.3 qt.
Engine For Tractor w/Air Brakes
Model..........Cummins6BT5.9
Displacement .............5.9
Horsepower @2200 RPM.... 148BPH
Torque @1600 RPM......440ft.lbs.
Number of Cylinders...........6
Firing Order .......... 1.5.3.6.2.4
Aspiration.........Turbo Charged
Cooling ...............Liquid
Coolant Capacity ..........40qt.
Thermostat ..........181deg. F
Oil Capacity 17.3 qt.
CORROSION PROOFING
All frame and body surfaces are shot
blasted, primed and painted with weather
resistant paint. Standard bolts are SAE
grade 5, zinc-phosphate coated to resist
corrosion.
STANDARD EQUIPMENT
Four wheel drive
Power Shift transmission
Four wheel steering, coordinated/crab/2
wheel
Engine shutdown system
Spark arresting muffler
Cab assembly
Heater/defroster
Suspension seat, driver’s
Passenger seat
Seat belts
Mirror kit
Gauges, full instrumentation
Hi-low beam headlights
Rotating beacon, amber
Spotlight, rear center
Turn signals
Fire extinguisher (2)
Coupler-Holland PH30 front and rear
Air transportable per MIL-STD-1791
Paint: Dark green or desert sand
OPTIONAL EQUIPMENT
Undercoating
Ozone protection for tires
M200 MB4 Tow Tractor Manual No. 42975
PAGE 9
JULY 15, 2001
1 YEAR LIMITED WARRANTY
NMC-Wollard, Inc.
NMC-Wollard, Inc. warrants to the original owner that all components of the equipment are
free from defects in material and workmanship under normal use and service for 12 months
or 1,000 hours, whichever comes first, from the date of shipment.
This warranty provides for NMC-Wollard, Inc. equipment components that fail because of
defects in material or workmanship during the warranty period, without charge to the owner
for parts or labor. The owner must provide prompt notice of the defect and allow a reason-
able time for replacement or repair.
This warranty applies only to parts manufactured by NMC-Wollard, Inc. Components in-
stalled on NMC-Wollard, Inc. equipment but not manufactured by NMC-Wollard, Inc. shall
be covered under the original manufacturer's warranty. NMC-Wollard, Inc. will assist in ad-
ministering all such warranties, with the exception of tires, battery, and other expendable
parts, for which the owner will be required to deal directly with the original manufacturer for
warranty service. Neither tune-ups, normal maintenance and repair or replacement of ex-
pendable parts (such as oil, lubricants, belts, filters, tires, battery, etc.) are covered by this
warranty.
This warranty does not cover damage resulting from carelessness or neglect; accidents,
fire, or other casualties; improper repair, operation, transportation, or storage; or failure to
provide necessary or appropriate maintenance. This warranty does not cover deterioration
or failure caused by chemicals, falling objects, dirt and sand, or excessive heat or moisture.
The NMC-Wollard, Inc. equipment must be maintained according to the instructions pro-
vided with it or this warranty may be considered void. Warranted components must be re-
placed with parts manufactured or approved by NMC-Wollard, Inc. Warranty determination
will be made after NMC-Wollard, Inc. inspects the failed part.
NMC-Wollard, Inc. is not liable for damage or injury resulting from improper installation,
use, abuse, inability to use or misapplication of NMC-Wollard, Inc. equipment, nor is
NMC-Wollard, Inc. liable for damage resulting from equipment repaired or modified by per-
sons not authorized by NMC-Wollard, Inc. NMC-Wollard, Inc. does not warrant any part or
product to meet local, municipal, state, provincial, or national laws or regulations.
This Limited Warranty is in lieu of all other warranties, whether express, implied, or statu-
tory. No other express warranty is given or authorized by NMC-Wollard, Inc. NMC-Wollard,
Inc. expressly disclaims any implied warranty of merchantability or fitness for a particular
purpose or otherwise. NMC-Wollard, Inc. shall not be liable for loss of use of equipment,
loss of time, loss of business, or for any other incidental, or consequential damages. No
authorized NMC-Wollard, Inc. representative has the right to change or modify this war-
ranty in any respect.
This warranty is non-transferable.
M200 MB4 Tow Tractor Manual No. 42975
PAGE 10
JULY 15, 2001
TO OBTAIN WARRANTY SERVICE
Warranty can be obtained by contacting NMC-Wollard, Inc., 2021 Truax Blvd., Eau Claire,
WI. 54702, (Phone 715 835-3151) (Fax 715 835-6625).
What should you do when you receive a new unit?
Check that you have received all the equipment ordered. Check inside the product manual
for engine warranties. Some OEM manufacturers supply a registration card that must be
filled out and returned immediately to initiate the warranty. If a survey card or delivery
checklist is enclosed from NMC-Wollard, Inc. please return it.
What should you do when you discover a possible warranty problem?
Call NMC-Wollard, Inc. (715-835-3151). We will require the serial number, number of hours
on the unit, and a description of the problem. You will be given a warranty authorization
number and assistance in troubleshooting.
IMPORTANT!
Clear and immediate communication with the factory is the key to obtaining a satisfactory
and timely resolution of your warranty problem.
Every warranty situation is different and so there are no hard rules. We will work with your
maintenance personnel and service managers to equitably resolve all claims.
What should you do after warranty problem has been resolved?
Complete and return the warranty claim form within 10 days. Place the assigned warranty
authorization number we gave you when you first called us with the problem on your claim.
Return defective parts immediately. Your claim cannot be processed until all defective parts
have been returned to NMC-Wollard, Inc. Identify returned parts with the assigned warranty
authorization number.
What should you use for labor rate and labor time?
Labor rate are reviewed annually, if you do not have an established rate, call NMC-Wollard,
Inc. We do not publish a rate book; instead, we have accumulated average times for re-
pairs. We will authorize repair time once we have approved the repair. If unforeseen cir-
cumstances cause a significantly greater repair time than originally approved, please
contact us before submitting your claim.
M200 MB4 Tow Tractor Manual No. 42975
PAGE 11
JULY 15, 2001
TABLE OF CONTENTS
PAGE 12
JANUARY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
Intro TOC
INTRODUCTION AND DESCRIPTION OF TRACTOR ...............1-1
OPERATION .....................................2-1
PREVENTIVE MAINTENANCE AND GUIDELINES FOR REPAIR .........3-1
ENGINE........................................4-1
TRANSMISSION ...................................5-1
FUEL TANK......................................6-1
STEERING ......................................7-1
BRAKES .......................................8-1
AXLES, DRIVE SHAFTS, AND WHEELS ......................9-1
ILLUSTRATED PARTS BREAKDOWN .......................10-1
GENERAL SAFETY PRECAUTIONS
INSTRUCTIONS FOR OPERATORS
Safety is your business. Obey the rules of the road, be alert at all times, operate the vehicle
defensively, stop at all intersections, be aware of all clearances, and obey special safety
regulations.
1. When approaching other traffic, slow down, sound horn, and if vision is obstructed, keep
right. Under all conditions, with a load or without, operate at a speed that will permit you to
come to a stop safely.
2. Use special care when operating on inclines. Travel slowly and do not angle or turn.
3. Do not operate on excessive grades.
4. Tow the tractor only with the drive shafts disconnected. Failure to do so will damage the
transmission.
5. Maintain a safe distance from the edge of ramps and platforms.
6. Observe all traffic regulations including speed limits.
7. Under normal traffic conditions, keep to the right.
8. Maintain a safe distance from the vehicle ahead and always keep the tractor under con-
trol.
9. Conform to local traffic regulations when operating on public roads.
10. Never allow anyone to ride on the tractor with you except in the passenger seat.
PAGE 13
JANUARY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
IMPORTANT!
There are numerous variations in procedures, techniques, tools, and parts for servicing
the tractor, as well as in the skill of the individual doing the work. This manual cannot pos-
sibly anticipate all such variations and provide advice or cautions as to each. Accordingly,
anyone who does not follow the instructions provided in this manual must first make sure
that they do not endanger their personal safety or tractor integrity by their choice of meth-
ods, tools, or parts.
This manual describes processes which might require the use of chemicals, solvents,
paints, or other commercially available material. Users of this manual should obtain the
material safety data sheets (OSHA Form 20 or equivalent) from the manufacturers or sup-
pliers of any materials to be used.
Know and follow the instructions provided by the manufacturer/supplier for the safe han-
dling, use, storage, and disposal of these materials.
Prior to starting any task, first read
the WARNINGS or CAUTIONS in-
cluded in the text for that task.
11. Avoid abrupt moves. Be a professional driver and HANDLE WITH CARE.
12. When towing loads, take extra care in securing and transporting the load.
13. Watch out for obstructions. Check overhead clearances.
14. If the tractor has to be parked on an incline, set the parking brake and chock the wheels.
15. Report accidents involving persons, building structures, and equipment to the proper au-
thority.
INSTRUCTIONS FOR MAINTENANCE PERSONNEL
1. Before attempting to repair the tractor, read and understand the maintenance proce-
dures.
2. Only qualified and authorized persons should be permitted to maintain, repair, adjust, and
inspect the tractor.
3. Properly vent the work area.
4. Avoid fire hazards and have fire protection equipment present. Do not use open pans of
fuel or flammable fluids for cleaning parts.
5. Brakes, steering mechanisms, warning devices, lights, safety guards, etc., should be in-
spected regularly and maintained in a safe operating condition.
6. Keep the tractor clean to lessen fire hazards and allow loose or defective parts to be better
seen.
7. Before working on the tractor, make sure jacks and jack stands have a lifting capacity of at
least 10,000 lbs.
8. Prevent water from entering into internal tractor parts. Before cleaning, be sure all open-
ings are closed or covered.
9. Sparks or open flames in the maintenance area are dangerous. Explosive vapor can eas-
ily escape from a vehicle into the work area.
10. Never add engine oil from a jug or a bottle. The chance of contamination is too great. Use
oil from a sealed container.
11. Keep unnecessary personnel away from tractor while it is running.
12. Only one person must control the engine.
13. Operate engine only from the driver’s seat.
14. Properly disposal of all used fluids. If you do not know the proper disposal procedures,
read the labels or ask your supervisor.
PAGE 14
JANUARY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
PRODUCT SAFETY
A brief description of signal words that may be used in this manual:
Indicates an imminently hazardous situation that, if not avoided, will result
in death or serious injury.
Indicates a potentially hazardous situation that, if not avoided could result
in death or serious injury, and indicates hazards that are exposed when guards are re-
moved.
Indicates a potentially hazardous situation that, if not avoided may result in
minor or moderate injury.
PAGE 15
JANUARY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
B,C (CALIFORNIA ONLY)
D (ON RADIATOR)
(SEE SAFETY DECALS
ON NEXT PAGE)
Read all safety signs on the machine and in this manual. Replace any
lost or damaged signs by ordering the part numbers shown on the safety decals
page.
SAFETY DECALS
SAFETY SIGN CARE
•Keep Safety Signs Clean And Legible At All Times.
•Replace Safety Signs That Are Missing Or Have Become Illegible.
•Replaced Parts That Displayed A Safety Sign Should Also Display The Current Sign.
•Safety Signs Are Available Form Your Dealer.
•
HOW TO INSTALL SAFETY SIGNS
•Be Sure That The Installation Area Is Clean And Dry.
• Remove The Smallest Portion Of The Split Backing Paper.
• Align The Decal Over The Specified Area And Carefully Press The Small Portion With The
Exposed Adhesive Backing In Place.
• Remove Second Backing And Press Remaining Decal In Place.
PAGE 16
JANUARY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
WARNING
PARKING BRAKE NOT TO BE
USED FOR SERVICE BRAKE
APPLY PARKING BRAKE
BEFORE STARTING ENGINE
APPLY PARKING BRAKE
BEFORE LEAVING VEHICLE
DECAL B. PART NO. NW17237
DECAL C. PART NO. 41472
DECAL D. PART NO. 1018145
1 INTRODUCTION AND DESCRIPTION OF TRACTOR
PAGE 1-1
JULY 31, 2004
M200 MB4 Tow Tractor Manual No. 42975
Chapter 1 TOC
1.1 PURPOSE OF THIS MANUAL ...........................2
1.2 ARRANGEMENT OF THIS MANUAL........................2
1.3 DESCRIPTION OF THE TRACTOR ........................2
1.3.1 FRAME ....................................2
1.3.2 ENGINE FOR TRACTOR W/HYDRAULIC BRAKES .............2
1.3.3 ENGINE FOR TRACTOR W/AIR BRAKES ..................2
1.3.4 COOLING SYSTEM ..............................2
1.3.5 TRANSMISSION ...............................2
1.3.6 LUBRICATION SYSTEM ...........................3
1.3.7 FUEL SYSTEM ................................3
1.3.8 FUEL CAPACITY ...............................3
1.3.9 AIR CLEANER ................................3
1.3.10 EXHAUST SYSTEM .............................3
1.3.11 CORROSION PROOFING ..........................3
1.3.12 TIRES ....................................3
1.3.13 ELECTRICAL SYSTEM ...........................3
1.3.13.1 BATTERY ...............................4
1.3.13.2 ALTERNATOR .............................4
1.3.13.3 CURRENT REGULATOR .......................4
1.3.13.4 STARTER ...............................4
1.3.13.5 LIGHTS AND ACCESSORIES .....................4
1.3.14 INSTRUMENT PANEL FOR TRACTOR W/HYDRAULIC BRAKES .....5
1.3.15 INSTRUMENT PANEL FOR TRACTOR W/AIR BRAKES ..........5
1.3.16 DRIVE/STEERING AXLES .........................7
1.3.17 BRAKE SYSTEM ..............................7
1.3.17.1 SERVICE BRAKE ...........................7
1.3.17.2 PARKING BRAKE FOR TRACTOR W/HYDRAULIC BRAKES ....7
1.3.17.3 PARKING BRAKE FOR TRACTOR W/AIR BRAKES .........7
1.3.17.4 PARKING BRAKE SHUTDOWN ....................7
1.3.18 STEERING SYSTEM ............................7
1.3.19 BOLT TIGHTENING DATA .........................9
1.3.20 FLUID SPECIFICATIONS .........................10
1.3.21 SCHEMATICS AND DIAGRAMS ......................11
1.1 PURPOSE OF THIS MANUAL
This manual is meant to provide the infor-
mation necessary to operate, maintain, and
repair the aircraft towing tractor (“tractor”),
model number 200, manufactured by
NMC-Wollard, Inc., Eau Claire, WI 54702,
phone 715-835-3151.
1.2 ARRANGEMENT OF THIS MANUAL
This manual is divided into Sections. Sec-
tions 1 through 9 are the introduction, spec-
ification, preventive maintenance,
operation, and repair sections.
Section 10 is the Illustrated Parts Break-
down (IPB). The IPB shows all parts and
part numbers necessary for support of the
tractor. The IPB can be used for requisition-
ing and identifying parts. It is arranged in al-
phabetical order.
1.3 DESCRIPTION OF THE TRACTOR
The tractor is designed for towing loads
weighing up to 160,000 lbs. Towing cou-
plers are on the front and rear of the tractor.
The four-wheel-drive tractor operates like
most automotive vehicles powered by an in-
ternal combustion engine. The major differ-
ence between this tractor and an
automobile having a similar size engine is
the higher gear ratio in the rear axle. The
higher gear ratio allows great pulling (tow-
ing) ability.
1.3.1 Frame
Heavy-duty precision aligned, 1-piece struc-
ture. Main frame plates are 1.25” thick. Side
panels and fenders are .75” thick. Front and
rear bumpers are 1.00” thick.
1.3.2 Engine for Tractor w/Hydraulic
Brakes
Cummins 6BT5.9, 6 Cylinder, 5.9 Liter, 152
BPH @ 2200 rpm, Torque 414 ft. lbs. @
1200 rpm.
1.3.3 Engine for Tractor w/Air Brakes
Cummins 6BT5.9, 6 Cylinder, 5.9 Liter, 148
BPH @ 2200 rpm, Torque 440 ft. lbs. @
1600 rpm.
1.3.4 Cooling System
40 quart coolant capacity for engine-radia-
tor system. Radiator insulated from vibra-
tion.
1.3.5 Transmission
Standard Funk 2000 Power Shift automatic
with 6 speed forward and 3 reverse, full
time four wheel drive (4x4), canister type oil
filter, separate transmission fluid cooler,
gear-driven pump for power steering and
brakes. Integral no-spin differential allows
front and rear axles to rotate independently-
prevents drive line windup and stress. No
spin feature joins axles together for maxi-
mum tractive effort if wheel slippage occurs.
Forward and reverse speed ranges are ob-
tained through the use of hydraulically actu-
ated multiple disc clutches. these clutches
are power absorbing members that can be
engaged at full engine power. Shifting un-
der full engine power makes this model a
full power shift for the forward and reverse
motion in all four speeds.
The clutches in this unit are hydraulically
applied and spring released. Because
wear, which eliminates the need for adjust-
ment. Each clutch uses eleven semi metal-
lic friction plates, and eleven polished steel
M200 MB4 Tow Tractor Manual No. 42975
PAGE 1-2
OCTOBER 30, 2001
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