Head to head · Agricultural

Challenger MT655D vs Challenger MT665B

Challenger MT655D Tractor
ChallengerModel A

Challenger MT655D

Agricultural

power
277 hp
displacement
514 ci
Cylinders
6
Forward gears
Not recorded
Full MT655D specs
Image not recorded
ChallengerModel B

Challenger MT665B

Agricultural

power
290 hp
displacement
513 ci
Cylinders
6
Forward gears
18
Full MT665B specs
ChallengerChallenger MT655D
vs
ChallengerChallenger MT665B

How they compare

Headline specs vs. the whole Agricultural

n = 795–1,130

Engine Power

▲ MT665B higher · +13 hp (+5%)
MT655D277 hp
MT665B290 hp
Median Agricultural Tractor110 hp

MT655D is in the 91st percentile; MT665B is in the 93rd · 1,028 models

Engine Displacement

▲ MT655D higher · +1 ci (<1%)
MT655D514 ci
MT665B513 ci
Median Agricultural Tractor336 ci

MT655D is in the 88th percentile; MT665B is in the 88th · 1,083 models

Cylinders

= Effectively tied
MT655D6
MT665B6
Median Agricultural Tractor5.5

MT655D is in the 74th percentile; MT665B is in the 74th · 1,130 models

Operating Weight

▲ MT655D higher · +5,815 lb (+30%)
MT655D25,365 lb
MT665B19,550 lb
Median Agricultural Tractor10,914 lb

MT655D is in the 92nd percentile; MT665B is in the 82nd · 971 models

MT655D (A)MT665B (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT655DChallenger MT665BDifference
ManufacturerChallengerChallengerSame
ModelMT655DMT665B—
CategoryAgriculturalAgriculturalSame

Engine

SpecChallenger MT655DChallenger MT665BDifference
ManufacturerSisu DieselSisu—
ModelAGCO Power84ETA—
Power Output277hp290hp▲ MT665B+13 hp · +5%
Rated RPM1,950RPM2,200RPM▲ MT665B+250 RPM · +13%
Cylinders66Same
Displacement514ci513ci▲ MT655D+1 ci · <1%
Bore4.4in4.4inSame
Stroke5.7in5.7inSame

Transmission

SpecChallenger MT655DChallenger MT665BDifference
TypeTechstar CVT continuously variable transmissionPower Shift—

Dimensions & Weight

SpecChallenger MT655DChallenger MT665BDifference
Length216in206in▲ MT655D+10 in · +5%
WidthNot recorded118in—
Height141in124in▲ MT655D+17 in · +14%
Wheelbase122inNot recorded—
Operating Weight25,365lb19,550lb▲ MT655D+5,815 lb · +30%

Hydraulics

SpecChallenger MT655DChallenger MT665BDifference
System TypeClosed center load sensing (CCLS)Open Center—
Steering TypeHydrostatic powerPower Steering—

Tires

SpecChallenger MT655DChallenger MT665BDifference
Front Tire Size600/65R34Not recorded—
Rear Tire Size710/75R42Not recorded—

Hitch & Towing

SpecChallenger MT655DChallenger MT665BDifference
Hitch TypeNot recordedThree-Point Hitch—
Hitch CategoryIIIIIISame
Hitch PositionNot recordedRear—
Hitch Capacity17,850lbNot recorded—

Chassis & Drive

SpecChallenger MT655DChallenger MT665BDifference
Chassis Type4x44x4Same
Drive Type4WD4WDSame
Steering TypeHydrostatic powerPower Steering—
Brake TypeMultiple wet disc hydraulically operated by two foot pedals that can be locked togetherManual External Compression Band—

Electrical

SpecChallenger MT655DChallenger MT665BDifference
Starter TypeElectricElectric Starter—

Emissions

SpecChallenger MT655DChallenger MT665BDifference
Control SystemDiesel exhaust fluid (DEF) 32% aqueous urea solutionNot recorded—

Capacities

SpecChallenger MT655DChallenger MT665BDifference
CoolantNot recorded8.9gal—

Operator Station

SpecChallenger MT655DChallenger MT665BDifference
TypeCabCabSame

Category context

Both models against the field

Engine Power

median 110 hp
A · 91st percentile (277 hp)B · 93rd percentile (290 hp)

Engine Displacement

median 336 ci
A · 88th percentile (514 ci)B · 88th percentile (513 ci)

Cylinders

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

Operating Weight

median 10,914 lb
A · 92nd percentile (25,365 lb)B · 82nd percentile (19,550 lb)

Length

median 173 in
A · 88th percentile (216 in)B · 82nd percentile (206 in)
A · MT655DB · MT665BMedian Agricultural Tractor
Full spec pageChallenger MT655DFull spec pageChallenger MT665B