| Model | JM-504 | JM-554 |
| Drive Type | 4WD | 4WD |
| Overall Dimensions L×W×H(mm): | 3946×1625×2220 | 4101×1640×2220 |
| Wheel Track (mm) | F: 1300 / R:1300-1600 | F: 1300 / R:1315-1615 |
| Wheel Base(mm) | 2073 | 2073 |
| Ground Clearance (mm) | 325 | 325 |
| Rated Traction Force(N) | 13000 | 14200 |
| Construction Mass(kg) | 2148 | 2172 |
| Min.Turning Radius(m) | 3.42 | 3.7 |
| Engine Model | SL4100BT | SL4105BT |
| Type | 4-cylinder 4-stroke cycle water cooled | 4-cylinder 4-stroke cycle water cooled |
| Rated Power(kw/hp) | 36.8(50) | 40.5(55) |
| Rated Speed (rpm) | 2300 | 2300 |
| Clutch | Single-function dryconstant meshing | Single-function dryconstant meshing |
| Gear Box | 4×(2+1) Sleeve gear shift | 4×(2+1) Sleeve gear shift |
| Main Drive | One pair of spiral bevel gearing | One pair of spiral bevel gearing |
| Differential | Bevel gear | Bevel gear |
| Differential Lock | Sliding pin, foot operated | Sliding pin, foot operated |
| Final Transmission | Planetary reduction gear | Planetary reduction gear |
| Steering Gear | Power steering | Hydraulic steering |
| Brake | Oil immerszd multiplate disc | Disc type |
| Tyre | F: 8.3-20 / R:12.4-28 | F: 8.3-20 / R:12.4-28 or 13.6-28 |
| 3-Point Suspension | Category: II | Category: II |
| PTO Shaft | 540/1000 | 540/1000 |