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CaseIHModel A
CaseIH STX440QT Quadtrac
Crawler
- power
- 440 hp
- displacement
- 912 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Articulated
CaseIH STX440QT Quadtrac vs CaseIH STX450QT Quadtrac
CaseIHModel B
CaseIH STX450QT Quadtrac
Articulated
- power
- 450 hp
- displacement
- 912 ci
- Cylinders
- 6
- Forward gears
- 16
CaseIHCaseIH STX440QT Quadtrac
vs
CaseIHCaseIH STX450QT Quadtrac
How they compare
Headline specs vs. the whole Articulated
Engine Power
▲ STX450QT Quadtrac higher · +10 hp (+2%)STX440QT Quadtrac440 hp
STX450QT Quadtrac450 hp
Median Articulated Tractor450 hp
STX440QT Quadtrac is in the 44th percentile; STX450QT Quadtrac is in the 50th · 62 models
Engine Displacement
= Effectively tiedSTX440QT Quadtrac912 ci
STX450QT Quadtrac912 ci
Median Articulated Tractor827 ci
STX440QT Quadtrac is in the 67th percentile; STX450QT Quadtrac is in the 67th · 61 models
Cylinders
= Effectively tiedSTX440QT Quadtrac6
STX450QT Quadtrac6
Median Articulated Tractor6
STX440QT Quadtrac is in the 50th percentile; STX450QT Quadtrac is in the 50th · 61 models
Forward Gears
= Effectively tiedSTX440QT Quadtrac16
STX450QT Quadtrac16
Median Articulated Tractor16
STX440QT Quadtrac is in the 50th percentile; STX450QT Quadtrac is in the 50th · 59 models
STX440QT Quadtrac (A)STX450QT Quadtrac (B)Median Articulated Tractor
Full comparison
Every spec, side by side
General Information
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | CaseIH | Same |
| Model | STX440QT Quadtrac | STX450QT Quadtrac | — |
| Category | Crawler, Articulated | Articulated | — |
Engine
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Manufacturer | Cummins | Cummins | Same |
| Model | QSX15 | QSX15 | Same |
| Power Output | 440hp | 450hp | ▲ STX450QT Quadtrac+10 hp · +2% |
| Rated RPM | 2,000RPM | 2,000RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 912ci | 912ci | Same |
| Bore | 5.4in | 5.4in | Same |
| Stroke | 6.7in | 6.7in | Same |
Transmission
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Type | full power shift | Full Power Shift | Same |
Dimensions & Weight
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Width | 44in | 44in | Same |
| Operating Weight | 51,335lb | 51,335lb | Same |
Hydraulics
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| System Type | closed center load sensing | Pressure Flow Compensated (PFC) | — |
| Steering Type | hydrostatic power | Hydrostatic Power | Same |
Hitch & Towing
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Hitch Category | IVN | IVN/III | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Chassis Type | articulated crawler | 4x4 (Quadtrac) | — |
| Drive Type | Quadtrac | Quad-Trac | — |
| Steering Type | hydrostatic power | Hydrostatic Power | Same |
Electrical
| Spec | CaseIH STX440QT Quadtrac | CaseIH STX450QT Quadtrac | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | Electric | Same |
Category context
Both models against the field
Engine Power
median 450 hpA · 44th percentile (440 hp)B · 50th percentile (450 hp)
Engine Displacement
median 827 ciA · 67th percentile (912 ci)B · 67th percentile (912 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 50th percentile (16)B · 50th percentile (16)
Operating Weight
median 51,335 lbA · 50th percentile (51,335 lb)B · 50th percentile (51,335 lb)
A · STX440QT QuadtracB · STX450QT QuadtracMedian Articulated Tractor