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Big BudModel A
Big Bud KT450
Four-Wheel Drive
- power
- 450 hp
- displacement
- 1,150 ci
- Cylinders
- 6
- Forward gears
- 13
Head to head · Four-Wheel Drive
Four-Wheel Drive

Articulated
How they compare
KT450 is in the 64th percentile; MT855B is in the 68th · 162 models
KT450 is in the 96th percentile; MT855B is in the 84th · 152 models
KT450 is in the 50th percentile; MT855B is in the 50th · 159 models
KT450 is in the 36th percentile; MT855B is in the 50th · 146 models
Full comparison
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Manufacturer | Big Bud | Challenger | — |
| Model | KT450 | MT855B | — |
| Category | Four-Wheel Drive | Articulated | — |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Manufacturer | Cummins | Caterpillar | — |
| Model | Not recorded | C15 ACERT | — |
| Power Output | 450hp | 465hp | ▲ MT855B+15 hp · +3% |
| Rated RPM | 2,100RPM | 1,699RPM | ▲ KT450+401 RPM · +24% |
| Cylinders | 6 | 6 | Same |
| Displacement | 1,150ci | 928ci | ▲ KT450+222 ci · +24% |
| Bore | 6.3in | 5.4in | ▲ KT450+0.9 in · +17% |
| Stroke | 6.3in | 6.8in | ▲ MT855B+0.5 in · +8% |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Type | Fuller Road Ranger | Powershift | — |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Length | Not recorded | 266in | — |
| Width | Not recorded | 100in | — |
| Height | Not recorded | 138in | — |
| Operating Weight | 43,000lb | 41,800lb | ▲ KT450+1,200 lb · +3% |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| System Type | Open Center | Closed Center PFC | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Optional | — |
| Hitch Category | Not recorded | III/IVN | — |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | Big Bud KT450 | Challenger MT855B | Difference |
|---|---|---|---|
| Starter Type | Electric | 12 volt | — |
Category context