This is the Kubota service manual for the M4900 and M5700 tractor family, with supplements covering the M4900SU, M5700HD, M6800HD, M5700DT-N, and the M5700 Hydraulic Shuttle. Its 741 pages cover the F2803 and V3300-E diesel engines and every major system on these machines.The main manual runs from the engine, clutch, and transmission through the rear and front axles, brakes, steering, hydraulics, electrical, and cab air conditioning. Dedicated supplements add the specifications, general, clutch, and transmission detail unique to each variant, including the hydraulic shuttle transmission.Owners, independent mechanics, and restorers can use it to restore hydraulics that dropped out after a fluid change, diagnose a shuttle that will not drive, service a slipping clutch or reverser, clear fuel restrictions, and set torque values correctly. Wiring diagrams and front wheel alignment are included. Delivered as an instant PDF download, readable on any device and printable for the shop.
What's Inside This Kubota M4900–M6800 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Intro | 1-13 | Safety Instructions, Specifications, Dimensions |
| General | 14-71 | Features, Tractor Identification, Handling Precautions for Electrical Parts and Wiring (Battery, Fuse, Connector, Handling of Circuit Tester), Lubricants, Fuel and Coolant |
| Sect 1 Engine | 72-151 | Features, Engine Body (Cylinder Block, Cylinder Head, Crankshaft, Piston and Piston Rings, Connecting Rod, Camshaft, Fuel Camshaft, Rocker Arm, Intake and Exhaust Valve, Flywheel) |
| Sect 2 Clutch | 152-187 | Travelling Clutch, Features, Travelling Clutch Linkage, Operation, Clutch Engaged, Clutch Disengaged, PTO Clutch, Structure |
| Sect 3 Transmission | 188-237 | Structure (Shuttle Shift Section, Main Gear Shift Section, Hi-Lo, Creep Shift Section, Four Wheel Drive Section), PTO System, Differential Gear (Structure, Operation) |
| Sect 4 Rear Axle | 238-249 | Features, Final Reduction System, Internal Gear to Planetary Gear Backlash, Planetary Gear Thrust Collar Thickness, Planetary Gear Shaft O.D., Planetary Gear I.D., Needle O.D., Changing Transmission Fluid |
| Sect 5 Brakes | 250-265 | Features, Features of Wet Disc Brakes, Fade, Operation, During Braking, Brake Pedal Free Play, Brake Pedal Shaft O.D., Brake Pedal Bushing I.D. |
| Sect 6 Front Axle | 266-293 | Structure, 2 Wheel Drive Type, 4 Wheel Drive Type, Front Wheel Alignment, Camber, Kingpin Angle, Caster, Toe-In |
| Sect 7 Steering | 294-320 | Steering Linkage, Power Steering Hydraulic Circuit, Power Steering System Hydraulic Pump, Steering Controller (Control Valve, Metering Device, Oil Flow), Steering Cylinder |
| Sect 8 Hydraulic | 321-362 | Three Point Hydraulic System, Hydraulic Circuit for Three Point Hydraulic System, Hydraulic Pump, Oil Filter, Position Control Valve, Relief Valve, Hydraulic Cylinder |
| Sect 9 Electrical | 363-440 | Wiring Diagram (ROPS Type, Cabin Type, Body Harness, Cabin Harness) |
| Sect 10 Cab | 441-510 | Air Conditioner System, Principles of Air Conditioner, Expansion and Evaporation, Condensing Gaseous, Refrigeration Cycle, Outline of Aie Conditioning System, Refrigeration System, Compressor |
| Supplement M4900Su | 511-553 | Safety Instructions, Specifications, Dimensions, G. General (Features, Tractor Identification), Clutch (Servicing), Transmission (Mechanism, Servicing) |
| Supplement M5700Hd | 554-617 | Safety Decals, Specifications, G. General (Features), Maintenance, Check and Maintenance, Special Tool, Clutch (Servicing, Checking and Adjusting), Transmission (Mechanism) |
| Supplement M5700 Hyd Shuttle Trans | 618-700 | Safety Instructions, Specifications, G. General (Features, Maintenance, Check and Maintenance, Special Tool), Clutch (Servicing), Transmission (Mechanism, Servicing) |
| Supplement M5700Dt-N | 701-741 | Safety Instructions, Specifications, Dimensions, G. General (Features, Lubricants, Fuel and Coolant, Tires, Wheel Hub), Engine (Servicing), Clutch (Servicing) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| M5700 Hydraulic Shuttle | ||
| Hydraulic shuttle warning reset procedure | Not found. The manual provides troubleshooting for 'Shuttle Clutch Slip' which may indicate a problem, but no explicit 'reset' procedure for a warning light. | p. 585 |
| Shuttle Clutch Slip probable causes | Operating pressure is low, Shuttle Valve malfunctioning, Clutch disc or drive plate excessively worn, Shuttle clutch pack damaged | p. 585 |
| Shuttle Clutch Slip solution | Adjust, Repair or replace, Replace | p. 585 |
| M6800HD | ||
| Cylinder head screw torque | Not found for M6800HD. The main manual lists torque for F2803 engine (M4900/M5700 models), but M6800HD uses a V3300-E engine and specific torque for its cylinder head bolts is not provided in the M5700HD/M6800HD supplement. | p. 103 |
| M4900, M5700 | ||
| Front wheel mounting nut torque | 166.7 to 196.1 N·m (17.0 to 20.0 kgf·m, 122.9 to 144.6 ft-lbs) | p. 31 |
| Rear wheel mounting nut torque | 260 to 304 N·m (26.5 to 31.0 kgf·m, 192 to 224 ft-lbs) | p. 31 |
| Hydraulic oil filter replacement interval | 300 hours | p. 26 |
| Engine oil filter replacement interval (initial) | 50 hours | p. 26 |
| Engine oil filter replacement interval (regular) | 200 hours | p. 26 |
| Fuel filter element replacement interval | 400 hours | p. 26 |
| Clutch Pedal Free play | 35 to 45 mm (1.4 to 1.8 in.) | p. 166 |
| Clutch Pedal Total Stroke (ROPS) | 165 to 170 mm (6.5 to 6.7 in.) | p. 166 |
Kubota M4900–M6800 Series Common Problems This Manual Covers
Hydraulics weak after fluid change
Hydraulic functions weaken or stop working right after an oil or filter change, usually from air drawn in at the filter or a poorly seated gasket. The hydraulic section covers the pump, filter, and circuit to find and fix it.
Manual Section: Sect 8 Hydraulic p. 321Hydraulic shuttle will not drive
The tractor will not move forward or reverse on the hydraulic shuttle, pointing to low operating pressure, a faulty shuttle valve, or a worn clutch pack. The shuttle supplement covers its troubleshooting and service.
Manual Section: Supplement M5700 Hyd Shuttle Trans p. 618Shuttle shift feels very stiff
The shuttle shifts stiffly, often from wear or binding after clutching it too often. The transmission section covers the shuttle shift structure and linkage to inspect and correct it.
Manual Section: Sect 3 Transmission p. 188Clutch or reverser slipping
The clutch and reverser slip or shift hard as the disc, diaphragm spring, and plates wear. The clutch section provides the free play specs, clearances, and service steps.
Manual Section: Sect 2 Clutch p. 152Power loss from fuel restriction
Loss of power or stalling often traces to a clogged fuel filter, restricted line, or dirty tank pickup. The engine section covers the fuel system and filter service to clear it.
Manual Section: Sect 1 Engine p. 72Weak or uneven braking
Braking feels weak or the pedal free play drifts out of spec on these wet disc brakes. The brakes section covers pedal free play and the brake service procedure.
Manual Section: Sect 5 Brakes p. 250Frequently Asked Questions
Which models does this manual cover?
It covers the Kubota M4900 and M5700 with supplements for the M4900SU, M5700HD, M6800HD, M5700DT-N, and the M5700 Hydraulic Shuttle, publication reference 12550.
What engines are covered?
The manual covers the F2803 diesel used in the M4900 and M5700, and the V3300-E used in the M6800HD, with engine servicing in the main section and supplements. p. 72
Does it cover the hydraulic shuttle?
Yes. A dedicated supplement covers the M5700 hydraulic shuttle transmission, including shuttle clutch slip troubleshooting and servicing. p. 618
How is it delivered?
It is an instant download. You get the PDF immediately after purchase, with nothing shipped and no waiting.
How quickly can I access this manual after buying?
Immediate download of the complete 741-page searchable Service Manual. Open it on any device: laptop at your desk, phone out in the field.
Is this Kubota M4900–M6800 Series Service Manual printable?
The PDF is DRM-free, so print whatever sections you need for the shop. Standard letter or A4 paper works.
Are electrical wiring diagrams included in this Kubota M4900–M6800 Series?
Complete wiring diagrams are included, covering all electrical circuits, harness routing, and connector pinouts for the Kubota M4900–M6800 Series.
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