Head to head · Articulated

CaseIH STX440QT Quadtrac vs Challenger MT845C

Image not recorded
ChallengerModel B

Challenger MT845C

Articulated

power
443 hp
displacement
928 ci
Cylinders
6
Forward gears
16
Full MT845C specs
CaseIHCaseIH STX440QT Quadtrac
vs
ChallengerChallenger MT845C

How they compare

Headline specs vs. the whole Articulated

n = 57–62

Engine Power

▲ MT845C higher · +3 hp (<1%)
STX440QT Quadtrac440 hp
MT845C443 hp
Median Articulated Tractor450 hp

STX440QT Quadtrac is in the 44th percentile; MT845C is in the 46th · 62 models

Engine Displacement

▲ MT845C higher · +16 ci (+2%)
STX440QT Quadtrac912 ci
MT845C928 ci
Median Articulated Tractor827 ci

STX440QT Quadtrac is in the 67th percentile; MT845C is in the 86th · 61 models

Cylinders

= Effectively tied
STX440QT Quadtrac6
MT845C6
Median Articulated Tractor6

STX440QT Quadtrac is in the 50th percentile; MT845C is in the 50th · 61 models

Forward Gears

= Effectively tied
STX440QT Quadtrac16
MT845C16
Median Articulated Tractor16

STX440QT Quadtrac is in the 50th percentile; MT845C is in the 50th · 59 models

STX440QT Quadtrac (A)MT845C (B)Median Articulated Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
ManufacturerCaseIHChallenger—
ModelSTX440QT QuadtracMT845C—
CategoryCrawler, ArticulatedArticulated—

Engine

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
ManufacturerCumminsCaterpillar—
ModelQSX15C15 ACERT—
Power Output440hp443hp▲ MT845C+3 hp · <1%
Rated RPM2,000RPM2,100RPM▲ MT845C+100 RPM · +5%
Cylinders66Same
Displacement912ci928ci▲ MT845C+16 ci · +2%
Bore5.4in5.4inSame
Stroke6.7in6.8in▲ MT845C+0.1 in · +1%

Transmission

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
Typefull power shiftFull power shiftSame

Dimensions & Weight

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
LengthNot recorded270in—
Width44inNot recorded—
HeightNot recorded138in—
Operating Weight51,335lb43,380lb▲ STX440QT Quadtrac+7,955 lb · +18%

Hydraulics

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
System Typeclosed center load sensingClosed center pressure-flow compensated—
Pump Flow CapacityNot recorded44.5gpm—
PressureNot recorded2,943psi—
Steering Typehydrostatic powerSpeed sensitive differential—

Power Take-off (PTO)

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
Speed 1Not recorded1,000rpm—

Hitch & Towing

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
Hitch CategoryIVNIII/IVN—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
Chassis Typearticulated crawlerTracklayer-rubber tracked—
Drive TypeQuadtracNot recorded—
Steering Typehydrostatic powerSpeed sensitive differential—
Brake TypeNot recordedWet multiple disc hydraulically actuated by foot pedal—

Electrical

SpecCaseIH STX440QT QuadtracChallenger MT845CDifference
Battery Voltage12VNot recorded—
Starter TypeElectricElectricSame

Category context

Both models against the field

Engine Power

median 450 hp
A · 44th percentile (440 hp)B · 46th percentile (443 hp)

Engine Displacement

median 827 ci
A · 67th percentile (912 ci)B · 86th percentile (928 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 51,335 lb
A · 50th percentile (51,335 lb)B · 24th percentile (43,380 lb)
A · STX440QT QuadtracB · MT845CMedian Articulated Tractor
Full spec pageCaseIH STX440QT QuadtracFull spec pageChallenger MT845C