Image not recorded
CaseIHModel A
CaseIH STX440QT Quadtrac
Crawler
- power
- 440 hp
- displacement
- 912 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Crawler
Crawler

Row Crop
How they compare
STX440QT Quadtrac is in the 80th percentile; 9R 490 is in the 85th · 142 models
STX440QT Quadtrac is in the 91st percentile; 9R 490 is in the 86th · 191 models
STX440QT Quadtrac is in the 50th percentile; 9R 490 is in the 50th · 192 models
STX440QT Quadtrac is in the 69th percentile; 9R 490 is in the 87th · 179 models
Full comparison
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | John Deere | — |
| Model | STX440QT Quadtrac | 9R 490 | — |
| Category | Crawler, Articulated | Row Crop | — |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Manufacturer | Cummins | John Deere | — |
| Model | QSX15 | RG6136U000924 | — |
| Power Output | 440hp | 483hp | ▲ 9R 490+43 hp · +10% |
| Rated RPM | 2,000RPM | 2,100RPM | ▲ 9R 490+100 RPM · +5% |
| Cylinders | 6 | 6 | Same |
| Displacement | 912ci | 827ci | ▲ STX440QT Quadtrac+85 ci · +10% |
| Bore | 5.4in | 5.2in | ▲ STX440QT Quadtrac+0.2 in · +4% |
| Stroke | 6.7in | 6.5in | ▲ STX440QT Quadtrac+0.2 in · +3% |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Type | full power shift | Selective gear fixed ratio with full range operator controlled power shift | — |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Length | Not recorded | 313in | — |
| Width | 44in | Not recorded | — |
| Height | Not recorded | 147in | — |
| Operating Weight | 51,335lb | 46,800lb | ▲ STX440QT Quadtrac+4,535 lb · +10% |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| System Type | closed center load sensing | Closed Center Pressure/Flow Compensated | — |
| Steering Type | hydrostatic power | Hydrostatic and articulated | — |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | IVN/IV | — |
| Hitch Category | IVN | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Chassis Type | articulated crawler | 4WD | — |
| Drive Type | Quadtrac | Four wheel drive with duals | — |
| Steering Type | hydrostatic power | Hydrostatic and articulated | — |
| Brake Type | Not recorded | Wet multiple disc hydraulically actuated by foot pedal | — |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | Electric | Same |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 14.9gal | — |
| Spec | CaseIH STX440QT Quadtrac | John Deere 9R 490 | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context