
CaseIHModel A
CaseIH STX425QT Quadtrac
Articulated
- power
- 425 hp
- displacement
- 915 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Articulated

Articulated
Articulated
How they compare
STX425QT Quadtrac is in the 38th percentile; 9RX 540 is in the 37th · 62 models
STX425QT Quadtrac is in the 78th percentile; 9RX 540 is in the 50th · 61 models
STX425QT Quadtrac is in the 50th percentile; 9RX 540 is in the 50th · 61 models
STX425QT Quadtrac is in the 50th percentile; 9RX 540 is in the 97th · 59 models
Full comparison
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | John Deere | — |
| Model | STX425QT Quadtrac | 9RX 540 | — |
| Category | Articulated | Articulated | Same |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Manufacturer | Cummins | John Deere | — |
| Model | QSX15 | JD14 | — |
| Power Output | 425hp | 409hp | ▲ STX425QT Quadtrac+16 hp · +4% |
| Rated RPM | 2,000RPM | 1,749RPM | ▲ STX425QT Quadtrac+251 RPM · +14% |
| Cylinders | 6 | 6 | Same |
| Displacement | 915ci | 827ci | ▲ STX425QT Quadtrac+88 ci · +11% |
| Bore | 5.4in | 5.2in | ▲ STX425QT Quadtrac+0.2 in · +4% |
| Stroke | 6.7in | 6.5in | ▲ STX425QT Quadtrac+0.2 in · +3% |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Type | Full power shift | Selective gear fixed ratio with full range operator-controlled power shift | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Length | Not recorded | 346in | — |
| Width | 44in | 88in | ▲ 9RX 540+44 in · +100% |
| Height | Not recorded | 146in | — |
| Operating Weight | 53,264lb | 56,320lb | ▲ 9RX 540+3,056 lb · +6% |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| System Type | Pressure flow compensated (PFC) | Closed center pressure/flow compensated | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | IVN/IV | — |
| Hitch Category | IVN/III | Category 3 | — |
| Hitch Position | Rear | Not recorded | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 (Quadtrac) | 4WD tracked | — |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydrostatic power | Not recorded | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Starter Type | Electric, 12 volts | Electric | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 14.9gal | — |
| Spec | CaseIH STX425QT Quadtrac | John Deere 9RX 540 | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context