Head to head · Articulated

CaseIH STX375QT Quadtrac vs Challenger 85D

Challenger 85D Tractor
ChallengerModel B

Challenger 85D

Articulated

power
370 hp
displacement
729 ci
Cylinders
6
Forward gears
10
Full 85D specs
CaseIHCaseIH STX375QT Quadtrac
vs
ChallengerChallenger 85D

How they compare

Headline specs vs. the whole Articulated

n = 41–62

Engine Power

▲ STX375QT Quadtrac higher · +5 hp (+1%)
STX375QT Quadtrac375 hp
85D370 hp
Median Articulated Tractor450 hp

STX375QT Quadtrac is in the 27th percentile; 85D is in the 25th · 62 models

Engine Displacement

▲ STX375QT Quadtrac higher · +186 ci (+26%)
STX375QT Quadtrac915 ci
85D729 ci
Median Articulated Tractor827 ci

STX375QT Quadtrac is in the 78th percentile; 85D is in the 20th · 61 models

Cylinders

= Effectively tied
STX375QT Quadtrac6
85D6
Median Articulated Tractor6

STX375QT Quadtrac is in the 50th percentile; 85D is in the 50th · 61 models

Forward Gears

▲ STX375QT Quadtrac higher · +6 (+60%)
STX375QT Quadtrac16
85D10
Median Articulated Tractor16

STX375QT Quadtrac is in the 50th percentile; 85D is in the 3rd · 59 models

STX375QT Quadtrac (A)85D (B)Median Articulated Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
ManufacturerCaseIHChallenger—
ModelSTX375QT Quadtrac85D—
CategoryArticulatedArticulatedSame

Engine

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
ManufacturerCumminsCaterpillar—
ModelQSX153196 ATAAC—
Power Output375hp370hp▲ STX375QT Quadtrac+5 hp · +1%
Rated RPM2,000RPM2,100RPM▲ 85D+100 RPM · +5%
Cylinders66Same
Displacement915ci729ci▲ STX375QT Quadtrac+186 ci · +26%
Bore5.4in5.1in▲ STX375QT Quadtrac+0.3 in · +6%
Stroke6.7in5.9in▲ STX375QT Quadtrac+0.8 in · +14%

Transmission

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
TypeFull Power ShiftFull Power ShiftSame

Dimensions & Weight

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
LengthNot recorded232in—
Width44in120in▲ 85D+76 in · +173%
HeightNot recorded144in—
Operating Weight53,264lb34,234lb▲ STX375QT Quadtrac+19,030 lb · +56%

Hydraulics

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
System TypePressure Flow CompensatedClosed-Center Pressure-Compensated—
Steering TypeHydrostatic PowerHydrostatic Differential Steering—

Hitch & Towing

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
Hitch TypeIVN/IIINot recorded—

Chassis & Drive

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
Chassis Type4X4Not recorded—
Drive TypeQuad TrackNot recorded—
Steering TypeHydrostatic PowerHydrostatic Differential Steering—

Electrical

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
Starter TypeElectricElectricSame

Capacities

SpecCaseIH STX375QT QuadtracChallenger 85DDifference
CoolantNot recorded20gal—

Category context

Both models against the field

Engine Power

median 450 hp
A · 27th percentile (375 hp)B · 25th percentile (370 hp)

Engine Displacement

median 827 ci
A · 78th percentile (915 ci)B · 20th percentile (729 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 50th percentile (16)B · 3rd percentile (10)

Operating Weight

median 51,335 lb
A · 57th percentile (53,264 lb)B · 11th percentile (34,234 lb)
A · STX375QT QuadtracB · 85DMedian Articulated Tractor
Full spec pageCaseIH STX375QT QuadtracFull spec pageChallenger 85D