This is the Kubota service manual covering the M100X, M110X, M126X, and M135X tractors, powered by the V3800DICR-TIE3 and V6108-TIE3 diesel engines. Its 690 pages are organized into Information, General, and full mechanism and servicing coverage for every major system on these machines.Sections run from the engine, common rail fuel system, and EGR through the clutch, power shift transmission, rear and front axles, brakes, and steering. The hydraulic system and 3 point hitch control get their own detailed treatment, and the electrical section includes wiring, the digital LCD monitor, and starting system.Use it to diagnose a tractor that bogs under load, chase down ECU and fuel faults, set wheel and axle torque correctly, service the master clutch, or bleed and adjust the brakes. It is an instant PDF download, readable on any device and printable page by page for shop use.
What's Inside This Kubota M100–M135 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| I Information | 3-17 | - |
| G General | 18-99 | Tractor Identification, Electrical Parts, Wiring, Lubricants, Fuel, Coolant, Screws, Bolts |
| Engine | 100-232 | Engine Body, Lubricating System, Cooling System, Intake and Exhaust System, Common Rail System (Crs), Exhaust Gas Recirculation (EGR) System |
| Clutch | 233-270 | Traveling Clutch, Master Clutch (Forward and Reverse), Clutch Safety Valve, Master Clutch Protection Control, PTO Clutch, Damper Disc |
| Transmission | 271-337 | Structure, Power Shift System, Hydraulic Control System, Clutch Housing Case, Differential Gear, Rear Drive Shaft |
| Rear Axle | 338-349 | Structure, Planetary Gear Support, Planetary Gear, Rear Axle Nut, Backlash Between Internal Gear and Planetary Gear |
| Brakes | 350-366 | Structure, Adjusting Brake Pedal, Brake Oil, Air Bleeding, Master Cylinder and Equalizer, Brake Case |
| Front Axle | 367-400 | Structure, Adjusting Toe-In, Adjusting Front Axle Pivot, Adjusting King-Pin Pivot, Bevel Gear Case Assembly, Differential Assembly and Differential Lock Piston |
| Steering | 401-410 | Structure, Piping and Power Steering Controller, Knuckle Arm, Power Steering Cylinder Assembly, Power Steering Controller, Power Steering Cylinder |
| Hydraulic System | 411-470 | Structure, Hydraulic Circuit, PTO Clutch Valve, Regulator Valve, Power Shift Valve, 3-Point Hitch Control System |
| Electrical System | 471-627 | Electrical Circuit Detailed Chart, Power Shift Control, Digital LCD Monitor, 4. 3-Point Hitch Control, Starting System, Opc (Operator Presence Control) |
| Cabin | 628-690 | Air Conditioning System, [1] Structure, [2] System Control, [3] Electrical System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Front tire mounting nut | 166.7 to 196.1 N·m | p. 375 |
| Rear wheel mounting nut | 343 to 401 N·m | p. 345 |
| ECU (Main) Fuse Capacity | 10 A | p. 582 |
| ECU (SUS) Fuse Capacity | 10 A | p. 582 |
| Fuel tank capacity | 190 L | p. 27 |
| Fuel line replacement interval | every 2 years | p. 32 |
| Master Clutch Internal Snap Ring and Pressure Plate Clearance | Factory spec: 2.0 to 2.2 mm | p. 242 |
| Master Clutch Internal Snap Ring and Pressure Plate Allowable Limit | 3.6 mm | p. 242 |
| M100X, M110X | ||
| Front axle bracket mounting nut | 123.6 to 147.1 N·m | p. 375 |
| Front axle bracket mounting screw | 166.8 to 196.1 N·m | p. 375 |
| Engine Oil Capacity | 10.5 L | p. 14 |
| M126X, M135X | ||
| Engine Oil Capacity | 14.6 L | p. 14 |
Kubota M100–M135 Series Common Problems This Manual Covers
Runs but bogs down under load
The tractor starts and idles but loses pulling power and bogs under load. Owners trace this to fuel system or common rail faults, and the engine section covers the fuel system and diagnostics involved.
Manual Section: Engine p. 100Abrupt or harsh shifting
Shifting feels sudden or the tractor jumps when the clutch engages. The transmission section covers the power shift system and hydraulic control so you can check the valves and pressures behind it.
Manual Section: Transmission p. 271Weak or slow 3-point hitch
The hitch lifts slowly, drifts, or lacks force. The hydraulic system section details the pump, regulator valve, and 3 point hitch control system to work through the cause.
Manual Section: Hydraulic System p. 411ECU and electrical faults
Corrosion or wiring faults at the ECU can disrupt engine management. The electrical section provides the detailed circuit charts, fuse capacities, and starting system layout for tracing these issues.
Manual Section: Electrical System p. 471Heavy or vague steering
Power steering that feels heavy or slow points to the controller, pump, or cylinder. The steering section covers the power steering controller and cylinder assembly with servicing steps.
Manual Section: Steering p. 401Brake pedal free travel off
A soft or long brake pedal often means free travel is out of spec or air is in the system. The brakes section gives the pedal free travel spec and air bleeding procedure.
Manual Section: Brakes p. 350Frequently Asked Questions
Which tractors does this manual cover?
It covers the Kubota M100X, M110X, M126X, and M135X tractors in one service manual, publication number 9Y111-02690, with shared and model specific information called out throughout.
What engines are covered?
The manual covers the V3800DICR-TIE3 and V6108-TIE3 diesel engines, including the common rail fuel system and EGR, in the engine mechanism and servicing sections. p. 100
Does it include wiring diagrams?
Yes. The electrical system section includes the detailed circuit chart, power shift control, digital LCD monitor, and starting system wiring for these tractors. p. 471
How is the manual delivered?
It is an instant download. You receive the PDF immediately after purchase, with nothing shipped and no waiting.
What format is this manual in?
This Kubota M135X manual ships as a 690-page searchable PDF, downloadable the moment checkout clears. Pull it up on a laptop, tablet, or phone and take it straight to the shop floor.
Are there any print restrictions on this manual?
Print as many copies as you like; there are no restrictions. Plenty of mechanics run off just the section they need and keep it at the bench.
Does this Service Manual have electrical diagrams?
Yes. You'll find full electrical schematics with wire routing diagrams, connector identification, and circuit descriptions.
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