Head to head · Utility

CaseIH STX440 vs Challenger MT855E

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CaseIHModel A

CaseIH STX440

Utility

power
440 hp
displacement
912 ci
Cylinders
6
Forward gears
16
Full STX440 specs
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ChallengerModel B

Challenger MT855E

Articulated

power
454 hp
displacement
1,026 ci
Cylinders
12
Forward gears
16
Full MT855E specs
CaseIHCaseIH STX440
vs
ChallengerChallenger MT855E

How they compare

Headline specs vs. the whole Utility

n = 1,083–5,720

Engine Power

▲ MT855E higher · +14 hp (+3%)
STX440440 hp
MT855E454 hp
Median Utility Tractor55 hp

STX440 is in the 99th percentile; MT855E is in the 99th · 5,383 models

Engine Displacement

▲ MT855E higher · +114 ci (+13%)
STX440912 ci
MT855E1,026 ci
Median Utility Tractor183 ci

STX440 is in the 99th percentile; MT855E is in the 99th · 5,580 models

Cylinders

▲ MT855E higher · +6 (+100%)
STX4406
MT855E12
Median Utility Tractor4

STX440 is in the 93rd percentile; MT855E is in the 99th · 5,720 models

Forward Gears

= Effectively tied
STX44016
MT855E16
Median Utility Tractor12

STX440 is in the 73rd percentile; MT855E is in the 73rd · 4,941 models

STX440 (A)MT855E (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX440Challenger MT855EDifference
ManufacturerCaseIHChallenger—
ModelSTX440MT855E—
CategoryUtilityArticulated—

Engine

SpecCaseIH STX440Challenger MT855EDifference
ManufacturerCumminsAGCO—
ModelQSX15AGCO Power—
Power Output440hp454hp▲ MT855E+14 hp · +3%
Rated RPM2,000RPMNot recorded—
Cylinders612▲ MT855E+6 · +100%
Displacement912ci1,026ci▲ MT855E+114 ci · +13%
Bore5.4in4.4in▲ STX440+1 in · +23%
Stroke6.7in5.7in▲ STX440+1 in · +18%

Transmission

SpecCaseIH STX440Challenger MT855EDifference
TypeFull power shiftselective gear fixed ratio with full range operator-controlled power shift—

Dimensions & Weight

SpecCaseIH STX440Challenger MT855EDifference
Width44in100in▲ MT855E+56 in · +127%
Operating Weight39,325lb43,840lb▲ MT855E+4,515 lb · +11%

Hydraulics

SpecCaseIH STX440Challenger MT855EDifference
System TypeClosed center load sensingclosed center pressure flow compensated—
Steering TypeHydrostatic powerpower differential—

Hitch & Towing

SpecCaseIH STX440Challenger MT855EDifference
Hitch TypeIVNNot recorded—
Hitch CategoryNot recordedCat. 4—
Hitch PositionRearNot recorded—
Hitch Capacity52,800lb55,913lb▲ MT855E+3,113 lb · +6%

Chassis & Drive

SpecCaseIH STX440Challenger MT855EDifference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic powerpower differential—

Electrical

SpecCaseIH STX440Challenger MT855EDifference
Starter TypeElectricelectricSame

Category context

Both models against the field

Engine Power

median 55 hp
A · 99th percentile (440 hp)B · 99th percentile (454 hp)

Engine Displacement

median 183 ci
A · 99th percentile (912 ci)B · 99th percentile (1,026 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 99th percentile (12)

Forward Gears

median 12
A · 73rd percentile (16)B · 73rd percentile (16)

Operating Weight

median 5,303 lb
A · 99th percentile (39,325 lb)B · 99th percentile (43,840 lb)
A · STX440B · MT855EMedian Utility Tractor
Full spec pageCaseIH STX440Full spec pageChallenger MT855E