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CaseIHModel A
CaseIH STX500QT Quadtrac
Articulated
- power
- 500 hp
- displacement
- 915 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Articulated
CaseIH STX500QT Quadtrac vs Challenger MT851
ChallengerModel B
Challenger MT851
Agricultural
- power
- 504 hp
- displacement
- 934 ci
- Cylinders
- 6
- Forward gears
- Not recorded
CaseIHCaseIH STX500QT Quadtrac
vs
ChallengerChallenger MT851
How they compare
Headline specs vs. the whole Articulated
Engine Power
▲ MT851 higher · +4 hp (<1%)STX500QT Quadtrac500 hp
MT851504 hp
Median Articulated Tractor450 hp
STX500QT Quadtrac is in the 69th percentile; MT851 is in the 72nd · 62 models
Engine Displacement
▲ MT851 higher · +19 ci (+2%)STX500QT Quadtrac915 ci
MT851934 ci
Median Articulated Tractor827 ci
STX500QT Quadtrac is in the 78th percentile; MT851 is in the 88th · 61 models
Cylinders
= Effectively tiedSTX500QT Quadtrac6
MT8516
Median Articulated Tractor6
STX500QT Quadtrac is in the 50th percentile; MT851 is in the 50th · 61 models
Operating Weight
▲ STX500QT Quadtrac higher · +11,264 lb (+27%)STX500QT Quadtrac53,264 lb
MT85142,000 lb
Median Articulated Tractor51,335 lb
STX500QT Quadtrac is in the 57th percentile; MT851 is in the 22nd · 57 models
STX500QT Quadtrac (A)MT851 (B)Median Articulated Tractor
Full comparison
Every spec, side by side
General Information
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Manufacturer | CaseIH | Challenger | — |
| Model | STX500QT Quadtrac | MT851 | — |
| Category | Articulated | Agricultural | — |
Engine
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Manufacturer | Cummins | MAN | — |
| Model | Not recorded | D3876 | — |
| Power Output | 500hp | 504hp | ▲ MT851+4 hp · <1% |
| Rated RPM | Not recorded | 1,730RPM | — |
| Cylinders | 6 | 6 | Same |
| Displacement | 915ci | 934ci | ▲ MT851+19 ci · +2% |
| Bore | 5.4in | 5.4in | Same |
| Stroke | 6.7in | 6.7in | Same |
Transmission
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Type | Full Power Shift | Continuously-Variable Transmission | — |
Dimensions & Weight
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Length | Not recorded | 266in | — |
| Width | Not recorded | 116in | — |
| Height | Not recorded | 148in | — |
| Operating Weight | 53,264lb | 42,000lb | ▲ STX500QT Quadtrac+11,264 lb · +27% |
Hydraulics
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| System Type | Pressure Flow Compensating | Closed Center Pressure-Flow Compensated | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
Chassis & Drive
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | Crawler | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
Electrical
| Spec | CaseIH STX500QT Quadtrac | Challenger MT851 | Difference |
|---|---|---|---|
| Starter Type | 12 Volts | Electric | — |
Category context
Both models against the field
Engine Power
median 450 hpA · 69th percentile (500 hp)B · 72nd percentile (504 hp)
Engine Displacement
median 827 ciA · 78th percentile (915 ci)B · 88th percentile (934 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Operating Weight
median 51,335 lbA · 57th percentile (53,264 lb)B · 22nd percentile (42,000 lb)
A · STX500QT QuadtracB · MT851Median Articulated Tractor