The Yanmar YM155 specifications include engine power rated at 15 hp (11.2 kW), a 6-forward, 2-reverse transmission, and a listed weight of 1,057 to 1,145 lbs.
Yanmar YM155 key specifications
| Engine power | 15 hp (11.2 kW) |
|---|---|
| Displacement | 40.4 cu in (0.7 L) |
| Transmission | 6-forward, 2-reverse |
| Fuel capacity | 4 gal (15.1 L) |
| Weight | 1,057 to 1,145 lbs |
| Wheelbase | 48.8 inches (123 cm) |
| Rear PTO speed | 540 rpm, 1.375-inch shaft |
Yanmar YM155 industry comparison
See how this tractor compares across up to six main specifications using the low, average and high values in this specifications database.
Engine power15 hp
Low 10 hpAverage 48.1 hpHigh 180 hp
Displacement0.7 L
Low 0.4 LAverage 2.6 LHigh 7.3 L
Fuel capacity4 gal
Low 2.4 galAverage 19.9 galHigh 79.3 gal
Maximum listed weight1,145 lbs
Low 1,090 lbsAverage 5,021.9 lbsHigh 12,875 lbs
Wheelbase48.8 in
Low 47.5 inAverage 78.6 inHigh 112.2 in
This model Industry average
Yanmar YM155 capacity chart
Compare the tractor's listed fuel, hydraulic and service-fluid capacities.
Yanmar YM155 dimensions chart
Compare the main listed tractor dimensions using centimetres.
Engine specifications
| Bore/Stroke | 2.953 × 2.953 inches (75 × 75 mm) |
|---|---|
| Rated RPM | 2,700 |
| Torque | 28.9 lb-ft (39.2 Nm) |
| Torque RPM | 2,200 |
| Compression | 23:1 |
| Oil capacity | 2.1 qt (2.0 L) |
| Starter volts | 12 |
| Firing order | 1-2 |
Transmission options
| Gears | 6 forward and 2 reverse |
|---|---|
| Clutch | 180 mm dry disc |
| Transmission type | gear |
PTO and hitch
| Rear hitch category | Category I |
|---|---|
| Rear lift | 1,210 lbs (548 kg) |
| PTO engine speed | 540 PTO rpm at 2,540 engine rpm |
Hydraulics
| Hydraulic type | open center |
|---|---|
| Pump flow | 3.8 gpm (14.4 L/min) |
Mechanical specifications
| Differential lock | mechanical rear |
|---|
Electrical specifications
| Electrical ground | negative |
|---|---|
| Battery volts | 12 |
Dimensions and weight
| Listed weight range | 1,057 to 1,145 lbs |
|---|---|
| Length | 99.2 inches (251 cm) |
| Width | 37.6 inches (95 cm) |
| Ground clearance | 10.4 inches (26 cm) |
| Height (steering wheel) | 45.7 inches (116 cm) |
| Hood height | 42.2 inches (107 cm) |
Tires and tread
| Rear tread | 27.6 to 33.5 inches (70 to 85 cm) |
|---|---|
| 2WD Standard tires (ag) | Front: 4.50-10. Rear: 8-16 |
| 4WD Standard tires (ag) | Front: 5-12. Rear: 8-16 |
Attachments
| Attachment type | mid-mount Yanmar YMM-45 |
|---|---|
| Cutting width | 45 inches (114 cm) |
| Overall width | 54 inches (137 cm) |
| Cut height | 1.1 to 5 inch 2 to 12 cm |
| Backhoe type | Yanmar YBH-650 Backhoe |
| Attachment weight | 710 lbs (322 kg) |
| Transport height | 61 inches (154 cm) |
| Bucket width | 9, 38, or 48 inches (22, 96, or 121 cm) |
| Digging depth | 73 inches (185 cm) |
| Reach from pivot | 100 inches (254 cm) |
| Loading height | 60 inches (152 cm) |
| Swing Arc | 180° |
| Bucket force | 2,400 lbs (1,088 kg) |
Note: Industry comparison values are calculated from models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Yanmar website or the tractor’s operator manual.







