| 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 |