Head to head · Agricultural

Challenger MT945B vs John Deere 8440

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ChallengerModel A

Challenger MT945B

Agricultural

power
416 hp
displacement
928 ci
Cylinders
6
Forward gears
16
Full MT945B specs
John Deere 8440 Tractor
John DeereModel B

John Deere 8440

Utility

power
215 hp
displacement
466 ci
Cylinders
6
Forward gears
16
Full 8440 specs
ChallengerChallenger MT945B
vs
John DeereJohn Deere 8440

How they compare

Headline specs vs. the whole Agricultural

n = 93–1,130

Engine Power

▲ MT945B higher · +201 hp (+93%)
MT945B416 hp
8440215 hp
Median Agricultural Tractor110 hp

MT945B is in the 97th percentile; 8440 is in the 83rd · 1,028 models

Engine Displacement

▲ MT945B higher · +462 ci (+99%)
MT945B928 ci
8440466 ci
Median Agricultural Tractor336 ci

MT945B is in the 97th percentile; 8440 is in the 84th · 1,083 models

Cylinders

= Effectively tied
MT945B6
84406
Median Agricultural Tractor5.5

MT945B is in the 74th percentile; 8440 is in the 74th · 1,130 models

Forward Gears

= Effectively tied
MT945B16
844016
Median Agricultural Tractor16

MT945B is in the 50th percentile; 8440 is in the 50th · 972 models

MT945B (A)8440 (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT945BJohn Deere 8440Difference
ManufacturerChallengerJohn Deere—
ModelMT945B8440—
CategoryAgriculturalUtility—

Engine

SpecChallenger MT945BJohn Deere 8440Difference
ManufacturerCaterpillarJohn Deere—
ModelC15 ACERT Tier IIINot recorded—
Power Output416hp215hp▲ MT945B+201 hp · +93%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement928ci466ci▲ MT945B+462 ci · +99%
Bore5.4in4.6in▲ MT945B+0.8 in · +17%
Stroke6.7in4.8in▲ MT945B+1.9 in · +40%

Transmission

SpecChallenger MT945BJohn Deere 8440Difference
TypeFull powershiftpartial power shift—

Dimensions & Weight

SpecChallenger MT945BJohn Deere 8440Difference
Length298in224in▲ MT945B+74 in · +33%
Width200inNot recorded—
Height151in127in▲ MT945B+24 in · +19%
Operating Weight50,495lb26,590lb▲ MT945B+23,905 lb · +90%

Hydraulics

SpecChallenger MT945BJohn Deere 8440Difference
System TypeClosed center PFCClosed center—
Steering TypeNot recordedarticulated power—

Power Take-off (PTO)

SpecChallenger MT945BJohn Deere 8440Difference
TypeLiveIndependent—
Speed 1Not recorded1,000rpm—

Hitch & Towing

SpecChallenger MT945BJohn Deere 8440Difference
Hitch TypeIVN/III OptThree-Point Hitch—
Hitch CategoryNot recordedIII—
Hitch PositionRearRearSame
Hitch Capacity19,500lb8,545lb▲ MT945B+10,955 lb · +128%

Chassis & Drive

SpecChallenger MT945BJohn Deere 8440Difference
Chassis Type4x44x4 articulated 4WD—
Drive Type4WD4WDSame
Steering TypeNot recordedarticulated power—
Brake TypeHydraulic wet discsHydraulic wet disc—

Electrical

SpecChallenger MT945BJohn Deere 8440Difference
Starter TypeNot recordedElectric—

Capacities

SpecChallenger MT945BJohn Deere 8440Difference
CoolantNot recorded10gal—

Operator Station

SpecChallenger MT945BJohn Deere 8440Difference
TypeCabCab (standard)—

Category context

Both models against the field

Engine Power

median 110 hp
A · 97th percentile (416 hp)B · 83rd percentile (215 hp)

Engine Displacement

median 336 ci
A · 97th percentile (928 ci)B · 84th percentile (466 ci)

Cylinders

median 5.5
A · 74th percentile (6)B · 74th percentile (6)

Forward Gears

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

Operating Weight

median 10,914 lb
A · 99th percentile (50,495 lb)B · 93rd percentile (26,590 lb)
A · MT945BB · 8440Median Agricultural Tractor
Full spec pageChallenger MT945BFull spec pageJohn Deere 8440