Head to head · Four-Wheel Drive

CaseIH STX375 vs Challenger 85D

CaseIH STX375 Tractor
CaseIHModel A

CaseIH STX375

Four-Wheel Drive

power
375 hp
displacement
912 ci
Cylinders
6
Forward gears
16
Full STX375 specs
Challenger 85D Tractor
ChallengerModel B

Challenger 85D

Articulated

power
370 hp
displacement
729 ci
Cylinders
6
Forward gears
10
Full 85D specs
CaseIHCaseIH STX375
vs
ChallengerChallenger 85D

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 71–162

Engine Power

▲ STX375 higher · +5 hp (+1%)
STX375375 hp
85D370 hp
Median Four-Wheel Drive Tractor375 hp

STX375 is in the 50th percentile; 85D is in the 47th · 162 models

Engine Displacement

▲ STX375 higher · +183 ci (+25%)
STX375912 ci
85D729 ci
Median Four-Wheel Drive Tractor826 ci

STX375 is in the 78th percentile; 85D is in the 26th · 152 models

Cylinders

= Effectively tied
STX3756
85D6
Median Four-Wheel Drive Tractor6

STX375 is in the 50th percentile; 85D is in the 50th · 159 models

Forward Gears

▲ STX375 higher · +6 (+60%)
STX37516
85D10
Median Four-Wheel Drive Tractor16

STX375 is in the 50th percentile; 85D is in the 11th · 146 models

STX375 (A)85D (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX375Challenger 85DDifference
ManufacturerCaseIHChallenger—
ModelSTX37585D—
CategoryFour-Wheel DriveArticulated—

Engine

SpecCaseIH STX375Challenger 85DDifference
ManufacturerCumminsCaterpillar—
ModelQSX 153196 ATAAC—
Power Output375hp370hp▲ STX375+5 hp · +1%
Rated RPM2,000RPM2,100RPM▲ 85D+100 RPM · +5%
Cylinders66Same
Displacement912ci729ci▲ STX375+183 ci · +25%
Bore5.4in5.1in▲ STX375+0.3 in · +6%
Stroke6.7in5.9in▲ STX375+0.8 in · +14%

Transmission

SpecCaseIH STX375Challenger 85DDifference
TypeFull power shift and Fully synchronizedFull Power Shift—

Dimensions & Weight

SpecCaseIH STX375Challenger 85DDifference
Length318in232in▲ STX375+86 in · +37%
Width44in120in▲ 85D+76 in · +173%
Height152in144in▲ STX375+8 in · +6%
Operating Weight37,610lb34,234lb▲ STX375+3,376 lb · +10%

Hydraulics

SpecCaseIH STX375Challenger 85DDifference
System TypePressure flow compensated (PFC)Closed-Center Pressure-Compensated—
Steering TypeHydrostatic powerHydrostatic Differential Steering—

Power Take-off (PTO)

SpecCaseIH STX375Challenger 85DDifference
Type1000 (1.75)Not recorded—

Hitch & Towing

SpecCaseIH STX375Challenger 85DDifference
Hitch TypeIVN/IIINot recorded—
Hitch CategoryCategory 3Not recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecCaseIH STX375Challenger 85DDifference
Steering TypeHydrostatic powerHydrostatic Differential Steering—

Electrical

SpecCaseIH STX375Challenger 85DDifference
Starter TypeElectric StarterElectric—

Capacities

SpecCaseIH STX375Challenger 85DDifference
CoolantNot recorded20gal—

Category context

Both models against the field

Engine Power

median 375 hp
A · 50th percentile (375 hp)B · 47th percentile (370 hp)

Engine Displacement

median 826 ci
A · 78th percentile (912 ci)B · 26th percentile (729 ci)

Cylinders

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

Forward Gears

median 16
A · 50th percentile (16)B · 11th percentile (10)

Operating Weight

median 37,428 lb
A · 51st percentile (37,610 lb)B · 41st percentile (34,234 lb)
A · STX375B · 85DMedian Four-Wheel Drive Tractor
Full spec pageCaseIH STX375Full spec pageChallenger 85D