Head to head · Four-Wheel Drive

CaseIH STX325 vs Challenger 75D

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CaseIHModel A

CaseIH STX325

Four-Wheel Drive

power
325 hp
displacement
540 ci
Cylinders
6
Forward gears
16
Full STX325 specs
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ChallengerModel B

Challenger 75D

Articulated

power
330 hp
displacement
629 ci
Cylinders
6
Forward gears
10
Full 75D specs
CaseIHCaseIH STX325
vs
ChallengerChallenger 75D

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 71–162

Engine Power

▲ 75D higher · +5 hp (+2%)
STX325325 hp
75D330 hp
Median Four-Wheel Drive Tractor375 hp

STX325 is in the 35th percentile; 75D is in the 37th · 162 models

Engine Displacement

▲ 75D higher · +89 ci (+16%)
STX325540 ci
75D629 ci
Median Four-Wheel Drive Tractor826 ci

STX325 is in the 14th percentile; 75D is in the 21st · 152 models

Cylinders

= Effectively tied
STX3256
75D6
Median Four-Wheel Drive Tractor6

STX325 is in the 50th percentile; 75D is in the 50th · 159 models

Forward Gears

▲ STX325 higher · +6 (+60%)
STX32516
75D10
Median Four-Wheel Drive Tractor16

STX325 is in the 50th percentile; 75D is in the 11th · 146 models

STX325 (A)75D (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX325Challenger 75DDifference
ManufacturerCaseIHChallenger—
ModelSTX32575D—
CategoryFour-Wheel DriveArticulated—

Engine

SpecCaseIH STX325Challenger 75DDifference
ManufacturerCDCCaterpillar—
Model6TAA-90043176C ATAAC—
Power Output325hp330hp▲ 75D+5 hp · +2%
Rated RPM2,000RPM2,100RPM▲ 75D+100 RPM · +5%
Cylinders66Same
Displacement540ci629ci▲ 75D+89 ci · +16%
Bore4.5in4.9in▲ 75D+0.4 in · +9%
Stroke5.7in5.5in▲ STX325+0.2 in · +4%

Transmission

SpecCaseIH STX325Challenger 75DDifference
TypeFull Power Shift / Fully SynchronizedFull power shift—

Dimensions & Weight

SpecCaseIH STX325Challenger 75DDifference
Length296in232in▲ STX325+64 in · +28%
Width36.5in120in▲ 75D+83.5 in · +229%
Height145in128in▲ STX325+17 in · +13%
Operating Weight31,925lb35,720lb▲ 75D+3,795 lb · +12%

Hydraulics

SpecCaseIH STX325Challenger 75DDifference
System TypePressure Flow Compensated (PFC)Closed-center pressure-compensated—
Steering TypeHydrostatic PowerHydrostatic differential—

Power Take-off (PTO)

SpecCaseIH STX325Challenger 75DDifference
Type1000 (1.75)1000 (1.75)Same

Hitch & Towing

SpecCaseIH STX325Challenger 75DDifference
Hitch CategoryIVN/IIINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecCaseIH STX325Challenger 75DDifference
Steering TypeHydrostatic PowerHydrostatic differential—

Electrical

SpecCaseIH STX325Challenger 75DDifference
Starter TypeElectricElectric Starter—

Capacities

SpecCaseIH STX325Challenger 75DDifference
CoolantNot recorded15gal—

Category context

Both models against the field

Engine Power

median 375 hp
A · 35th percentile (325 hp)B · 37th percentile (330 hp)

Engine Displacement

median 826 ci
A · 14th percentile (540 ci)B · 21st percentile (629 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 · 36th percentile (31,925 lb)B · 45th percentile (35,720 lb)
A · STX325B · 75DMedian Four-Wheel Drive Tractor
Full spec pageCaseIH STX325Full spec pageChallenger 75D