| Y Series 25HP and 55HP Tractor Data |
| Model | WM250Y | WM254Y | WM300Y | WM304Y | WM350Y | WM354Y | WM400Y | WM404Y | WM450Y | WM454Y | WM500Y | WM504Y | WM550Y | WM554Y |
| Tractor Power | 25HP | 25HP | 30HP | 30HP | 35HP | 35HP | 40HP | 40HP | 45HP | 45HP | 50HP | 50HP | 55HP | 55HP |
| Type | 4*2 | 4*4 | 4*2 | 4*4 | 4*2 | 4*4 | 4*2 | 4*4 | 4*2 | 4*4 | 4*2 | 4*4 | 4*2 | 4*4 |
| Dimension mm |
| Length mm | 2630 | 2700 | 2700 | 2800 | 2780 | 2850 | 2800 | 2900 | 2800 | 2900 | 2800 | 2900 | 2850 | 2950 |
| Width mm | 1260 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 | 1560 |
| Height mm | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 | 1896 |
| Tread | Front Wheel | 1000 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 |
| Rear Wheel | 1000 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 |
| Wheel Base mm | 1560 | 1600 | 1660 | 1660 | 1660 | 1660 | 1690 | 1690 | 1690 | 1690 | 1690 | 1690 | 1690 | 1690 |
| Min.Ground Clearance | 300 | 300 | 320 | 300 | 320 | 300 | 320 | 300 | 320 | 300 | 320 | 300 | 320 | 300 |
| Dry Mass kg | 1100 | 1150 | 1150 | 1200 | 1200 | 1250 | 1200 | 1300 | 1200 | 1300 | 1200 | 1300 | 1200 | 1300 |
| Engine |
| Model | JD2100 | LD385 | LD390 | LD390 | LD4L22 | LD4L22 | LD4L23 | LD4L23 | LD490 | LD490 | LD4100 | LD4100 | LD4100 | LD4100 |
| Type | Vertical Water Cooledand 4-stroke |
| Rated Power kw | 18.4 | 18.4 | 22.1 | 22.1 | 25.8 | 25.8 | 29.4 | 29.4 | 33.1 | 33.1 | 36.8 | 36.8 | 40.4 | 40.4 |
| Rated Rev. r/min | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 |
| Fuel | Diesel Oil |
| Tire |
| FrontWheel | 5.50-16(2WD)/6.00-16/6.50-16(4WD) |
| Rear Wheel | 9.50-24/11.2-24 |
| Clutch | Dry-friction,single stage or Dry-friction,Two Stage |
| Steering | Mechanical Type/Mechanical Type or Hydraulic Type |
| Transmission Box | (4+1)×2or(4+1)×2×2(with creeping Shift) |
| Suspension Type | Rear three-point suspension Class I |
| PTO Shaft |
| Type and Rev r/min | Non-independent type720 or Non-independenttype540/720 |
| SplineSize | I35 Rectangle Spline With 6 teeth (6×28.91×34.79×8.69) |