Image not recorded
CaseIHModel A
CaseIH STX480QT Quadtrac
Articulated
- power
- 480 hp
- displacement
- 912 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Articulated
Articulated

Articulated
How they compare
STX480QT Quadtrac is in the 62nd percentile; MT855B is in the 57th · 62 models
STX480QT Quadtrac is in the 67th percentile; MT855B is in the 86th · 61 models
STX480QT Quadtrac is in the 50th percentile; MT855B is in the 50th · 61 models
STX480QT Quadtrac is in the 50th percentile; MT855B is in the 50th · 59 models
Full comparison
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | Challenger | — |
| Model | STX480QT Quadtrac | MT855B | — |
| Category | Articulated | Articulated | Same |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Manufacturer | Cummins | Caterpillar | — |
| Model | QSX15 | C15 ACERT | — |
| Power Output | 480hp | 465hp | ▲ STX480QT Quadtrac+15 hp · +3% |
| Rated RPM | 2,000RPM | 1,699RPM | ▲ STX480QT Quadtrac+301 RPM · +18% |
| Cylinders | 6 | 6 | Same |
| Displacement | 912ci | 928ci | ▲ MT855B+16 ci · +2% |
| Bore | 5.4in | 5.4in | Same |
| Stroke | 6.7in | 6.8in | ▲ MT855B+0.1 in · +1% |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Type | Full Power Shift | Powershift | — |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Length | Not recorded | 266in | — |
| Width | 36in | 100in | ▲ MT855B+64 in · +178% |
| Height | Not recorded | 138in | — |
| Operating Weight | 54,000lb | 41,800lb | ▲ STX480QT Quadtrac+12,200 lb · +29% |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed Center PFC | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Hitch Type | IVN | Optional | — |
| Hitch Category | Not recorded | III/IVN | — |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | CaseIH STX480QT Quadtrac | Challenger MT855B | Difference |
|---|---|---|---|
| Starter Type | 24 Volts | 12 volt | — |
Category context