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ChallengerModel A
Challenger MT285B
Utility
- power
- 47.5 hp
- displacement
- 134 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Utility
Utility

Utility
How they compare
MT285B is in the 43rd percentile; GM50 is in the 43rd · 5,383 models
MT285B is in the 32nd percentile; GM50 is in the 31st · 5,580 models
MT285B is in the 50th percentile; GM50 is in the 50th · 5,720 models
MT285B is in the 23rd percentile; GM50 is in the 73rd · 4,941 models
Full comparison
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | McCormick Intl | — |
| Model | MT285B | GM50 | — |
| Category | Utility | Utility | Same |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Manufacturer | Iseki | Yanmar | — |
| Model | E4CG | 4TNV88 | — |
| Power Output | 47.5hp | 47.5hp | Same |
| Rated RPM | 2,600RPM | 2,800RPM | ▲ GM50+200 RPM · +8% |
| Cylinders | 4 | 4 | Same |
| Displacement | 134ci | 134ci | Same |
| Bore | 3.4in | 3.5in | ▲ GM50+0.1 in · +3% |
| Stroke | 3.6in | 3.5in | ▲ MT285B+0.1 in · +3% |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Type | Hydrostatic / Synchroshuttle | Creeper | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Length | 133in | 130in | ▲ MT285B+3 in · +2% |
| Width | 65.4in | 55in | ▲ MT285B+10.4 in · +19% |
| Height | 89.1in | Not recorded | — |
| Operating Weight | 3,660lb | 3,197lb | ▲ MT285B+463 lb · +14% |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Hitch Type | 3 Point | Not recorded | — |
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Not recorded | — |
| Hitch Capacity | 3,086lb | Not recorded | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | 4x4 MFWD 4WD | Same |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Power | Not recorded | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Coolant | 2gal | Not recorded | — |
| Spec | Challenger MT285B | McCormick Intl GM50 | Difference |
|---|---|---|---|
| Type | Open Station | ROPS/Cab | — |
Category context