Overview
The Yanmar YM135 is a sub-compact utility farm tractor produced from 1976 to 1979 in both 2WD and 4WD variants. It is powered by a 0.6L 2-cylinder liquid-cooled diesel engine providing 13 hp and features a 6-speed gear transmission with six forward and two reverse gears. The chassis includes a Category I rear hitch with a 1,210-pound lift capacity and an open center hydraulic system.
Ideal Applications
Engine and Power Specifications:
The Yanmar 2T73A diesel engine produces 13 hp at 2700 RPM and 25.3 lb-ft of torque at 2400 RPM with a 23:1 compression ratio.
Transmission and Drive Configuration:
The mechanical layout consists of a 6-speed gear transmission, manual steering, and mechanical drum brakes, offered in 2WD or 4WD drive types.
Chassis and Hydraulic Dimensions:
The tractor has a wheelbase of 45.7 to 48.9 inches and a rear lift capacity of 1210 lbs supported by an open center hydraulic pump flow of 3.8 gpm.
Production
| Description | Sub-Compact Utility tractor / Original price was $4,400 in 1979 |
|---|---|
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 0.6L 2-cyl diesel |
|---|---|
| Bore/Stroke | 2.874x2.953 inches (73 x 75 mm) |
| Compression | 23:1 |
| Description | Yanmar 2T73A / diesel / 2-cylinder / liquid-cooled |
| Displacement | 38.3 ci (0.6 L) |
| Power | 13 hp (9.7 kW) |
| Rated RPM | 2700 |
| Starter volts | 12 |
| Torque | 25.3 lb-ft (34.3 Nm) |
| Torque RPM | 2400 |
Transmission
| Gears | 6 forward and 2 reverse |
|---|---|
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering / Mechanical drum brakes |
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 3.8 gpm (14.4 lpm) |
|---|---|
| Type | open center |
Hitch
| Rear lift | 1210 lbs (548 kg) |
|---|---|
| Rear Type | I |
PTO
| Clutch | electric |
|---|---|
| Engine RPM | 540@2540 |
| Front PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| 2WD Front tread | 26.4 inches (67 cm) |
|---|---|
| 2WD Length | 91.7 inches (232 cm) |
| 2WD Weight | 991 lbs (449 kg) |
| 2WD Wheelbase | 45.7 inches (116 cm) |
| 4WD Front tread | 29.3 inches (74 cm) |
| 4WD Length | 93.1 inches (236 cm) |
| 4WD Weight | 1090 lbs (494 kg) |
| 4WD Wheelbase | 48.9 inches (124 cm) |
| Ground clearance | 9.6 inches (24 cm) |
| Rear tread | 23.6 to 31.6 inches (59 to 80 cm) |
| Width | 35.4 inches (89 cm) |
| 2WD Rear tire | 7-16 |
| 2WD Wheelbase | 45.7 inches (116 cm) |
| 4WD Wheelbase | 48.9 inches (124 cm) |
| Front tire | 4.50-10 |
| Weight | 991 to 1090 pounds |
| 2WD Standard tires (ag) | Front: 4.50-10. Rear: 7-16 |
| 4WD Standard tires (ag) | Front: 5-12. Rear: 7-16 |
| Lawn/turf front | 20x8.00-10 |
| Lawn/turf rear | 27x8.50-15 |
References
| Description | YFL-155TD Loaders published by Yanmar / Service Manual Model YM135(D), YM155(D) (AOD1048) published in 1976 |
|---|
Variants
| YM135 | 2WD |
|---|---|
| YM135D | 4WD |
Yanmar YM135 Height
| 2WD Hood | 37.6 inches (95 cm) |
|---|---|
| 4WD Hood | 39.2 inches (99 cm) |
| Steering wheel | 44.5 inches (113 cm) |
Yanmar YM135 attachments
| Description | 45" mid-mount mower deck / front-end loader / backhoe |
|---|