Head to head · Utility

Challenger MT555B vs Deutz-Fahr M640

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ChallengerModel A

Challenger MT555B

Utility

power
171 hp
displacement
366 ci
Cylinders
6
Forward gears
24
Full MT555B specs
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Deutz-FahrModel B

Deutz-Fahr M640

Utility

power
171 hp
displacement
370 ci
Cylinders
6
Forward gears
24
Full M640 specs
ChallengerChallenger MT555B
vs
Deutz-FahrDeutz-Fahr M640

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

= Effectively tied
MT555B171 hp
M640171 hp
Median Utility Tractor55 hp

MT555B is in the 94th percentile; M640 is in the 94th · 5,383 models

Engine Displacement

▲ M640 higher · +4 ci (+1%)
MT555B366 ci
M640370 ci
Median Utility Tractor183 ci

MT555B is in the 88th percentile; M640 is in the 88th · 5,580 models

Cylinders

= Effectively tied
MT555B6
M6406
Median Utility Tractor4

MT555B is in the 93rd percentile; M640 is in the 93rd · 5,720 models

Forward Gears

= Effectively tied
MT555B24
M64024
Median Utility Tractor12

MT555B is in the 92nd percentile; M640 is in the 92nd · 4,941 models

MT555B (A)M640 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT555BDeutz-Fahr M640Difference
ManufacturerChallengerDeutz-Fahr—
ModelMT555BM640—
CategoryUtilityUtilitySame

Engine

SpecChallenger MT555BDeutz-Fahr M640Difference
ManufacturerPerkins DieselDeutz-Fahr—
ModelVK 31483Not recorded—
Power Output171hp171hpSame
Rated RPM1,900RPM2,100RPM▲ M640+200 RPM · +11%
Cylinders66Same
Displacement366ci370ci▲ M640+4 ci · +1%
Bore4.1in4in▲ MT555B+0.1 in · +2%
Stroke5in5inSame

Transmission

SpecChallenger MT555BDeutz-Fahr M640Difference
TypeAutoPower VIPartial power shift—

Dimensions & Weight

SpecChallenger MT555BDeutz-Fahr M640Difference
Length182in187in▲ M640+5 in · +3%
Width81.1inNot recorded—
Height117in118in▲ M640+1 in · <1%
Operating Weight14,320lb13,160lb▲ MT555B+1,160 lb · +9%

Hydraulics

SpecChallenger MT555BDeutz-Fahr M640Difference
System TypeHydraulic control system direct engine driveOpen center—
Pump Flow Capacity32.2gpmNot recorded—
Steering TypeNot recordedPower—

Tires

SpecChallenger MT555BDeutz-Fahr M640Difference
Front Tire Size16.9R30540/65R28—
Rear Tire Size480/80R46650/65R38—

Hitch & Towing

SpecChallenger MT555BDeutz-Fahr M640Difference
Hitch CategoryII/IIIIII—
Hitch PositionRearRearSame
Hitch Capacity11,230lbNot recorded—

Chassis & Drive

SpecChallenger MT555BDeutz-Fahr M640Difference
Chassis Type4WD4x4 MFWD 4WD—
Drive TypeFour-Wheel Drive4WD—
Steering TypeNot recordedPower—
Brake TypeMultiple wet disc brakes hydraulically operatedWet disc—

Electrical

SpecChallenger MT555BDeutz-Fahr M640Difference
Battery Voltage12VNot recorded—
Starter TypeElectricElectricSame

Capacities

SpecChallenger MT555BDeutz-Fahr M640Difference
Coolant7.4galNot recorded—

Operator Station

SpecChallenger MT555BDeutz-Fahr M640Difference
TypeNot recordedCab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (171 hp)B · 94th percentile (171 hp)

Engine Displacement

median 183 ci
A · 88th percentile (366 ci)B · 88th percentile (370 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Forward Gears

median 12
A · 92nd percentile (24)B · 92nd percentile (24)

Operating Weight

median 5,303 lb
A · 93rd percentile (14,320 lb)B · 91st percentile (13,160 lb)
A · MT555BB · M640Median Utility Tractor
Full spec pageChallenger MT555BFull spec pageDeutz-Fahr M640