| Model | JM-604 | JM-654 |
| Drive Type | 4WD | 4WD |
| Overall Dimensions L×W×H(mm): | 4010×1640×2270 | 4085×1929×2568 |
| Wheel Track (mm) | F: 1300 / R:1315-1615 | F: 1450 / R:1370-1790 |
| Wheel Base(mm) | 2073 | 2236 |
| Ground Clearance (mm) | 370-420 | 340 |
| Rated Traction Force(N) | 14200 | 16000 |
| Construction Mass(kg) | 2172 | 3215 |
| Min.Turning Radius(m) | 3.7 | 4.3 |
| Engine Model | SL4105BT | LR4B3-T79-U2 |
| Type | 4-cylinder 4-stroke cycle water cooled | 4-cylinder 4-stroke cycle water cooled |
| Rated Power(kw/hp) | 44.1(60) | 51.5(70) |
| Rated Speed (rpm) | 2300 | 2200 |
| Clutch | Single-function dry constant meshing | Dual stage |
| Gear Box | 4*(2+1) Sleeve gear shift | (4+1)×2 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 | Hydraulic steering | Hydraulic steering |
| Brake | Disc type | Disc type |
| Tyre | F: 8.3-20 / R:13.6-28 or 12.4-32 | F: 9.5-24 / R:16.9-30 |
| 3-Point Suspension | Category: II | Category: II |
| PTO Shaft | 540/1000 | 540/1000 |