Part of the Kubota Repair Manuals.
This is the Kubota workshop manual for the M126XDTPC, the power crawler version of the M126X tractor, powered by the V6108-TIE3 diesel engine (publication 9Y111-03630). Its 77 pages focus on the crawler running gear and rear axle: the final gear case, crawler track, crawler unit, idlers, track rollers, and guide rollers, along with general information, maintenance, and specifications.
You get the structure and operation of the crawler mechanism together with troubleshooting charts, servicing specifications, tightening torques, and full disassembly and reassembly procedures for the track system and final drive. That lets you set track tension, measure roller and idler wear against factory limits, torque the sprocket and final axle nuts, and service the final gear case. It is a downloadable, printable PDF for the M126XDTPC crawler tractor.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 3-17 | |
| General | 18-40 | Tractor Identification, Lubricants Fuel and Coolant, Maintenance, Check and Maintenance |
| Rear Axle Servicing | 41-54 | Troubleshooting, Servicing Specifications, Tightening Torques, Disassembling and Assembling (Crawler Track, Crawler Unit, Final Gear Case, Servicing) |
| Crawler Mechanism | 55-60 | Structure, Guide Roller, Idler, Track Roller, Operation (Advantage: Crawler Track, Swinging Shaft Center Moved Forward) |
| Crawler Servicing | 61-77 | Troubleshooting, Servicing Specifications, Tightening Torques, Checking (Adjusting), Disassembling and Assembling (Crawler Track, Crawler Unit, Idler, Track Roller, Servicing) |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Sprocket nut (M16, 9T) tightening torque | 260 to 304 N·m | p. 45 |
| Final axle staking nut tightening torque | 539 to 637 N·m | p. 45 |
| Rear Axle Gear to Idle Gear Backlash | 0.15 to 0.25 mm | p. 44 |
| Crawler Tension Spring Length (Allowable Limit) | 200 mm | p. 72 |
| Engine Total Displacement | 6124 cm³ | p. 14 |
| PTO Power (factory observe) | 80.6 kW (108 HP) | p. 14 |
| Fuel Tank Capacity | 190 L | p. 14 |
| Engine Oil Capacity (with filter) | 14.6 L | p. 21 |
| Transmission Case Capacity | 60 L | p. 21 |
| Front Wheel Mounting Nut Torque | 260 to 304 N·m | p. 26 |
| Rear Axle Gear to Idle Gear Backlash (Factory Spec) | 0.15 to 0.25 mm | p. 44 |
| Sprocket Nut (M16, 9T) Torque | 260 to 304 N·m | p. 45 |

















