Head to head · Agricultural

Challenger MT665B vs Challenger MT765

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ChallengerModel A

Challenger MT665B

Agricultural

power
290 hp
displacement
513 ci
Cylinders
6
Forward gears
18
Full MT665B specs
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ChallengerModel B

Challenger MT765

Agricultural

power
299 hp
displacement
537 ci
Cylinders
6
Forward gears
16
Full MT765 specs
ChallengerChallenger MT665B
vs
ChallengerChallenger MT765

How they compare

Headline specs vs. the whole Agricultural

n = 971–1,130

Engine Power

▲ MT765 higher · +9 hp (+3%)
MT665B290 hp
MT765299 hp
Median Agricultural Tractor110 hp

MT665B is in the 93rd percentile; MT765 is in the 93rd · 1,028 models

Engine Displacement

▲ MT765 higher · +24 ci (+5%)
MT665B513 ci
MT765537 ci
Median Agricultural Tractor336 ci

MT665B is in the 88th percentile; MT765 is in the 89th · 1,083 models

Cylinders

= Effectively tied
MT665B6
MT7656
Median Agricultural Tractor5.5

MT665B is in the 74th percentile; MT765 is in the 74th · 1,130 models

Forward Gears

▲ MT665B higher · +2 (+13%)
MT665B18
MT76516
Median Agricultural Tractor16

MT665B is in the 68th percentile; MT765 is in the 50th · 972 models

MT665B (A)MT765 (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT665BChallenger MT765Difference
ManufacturerChallengerChallengerSame
ModelMT665BMT765—
CategoryAgriculturalAgriculturalSame

Engine

SpecChallenger MT665BChallenger MT765Difference
ManufacturerSisuCaterpillar—
Model84ETANot recorded—
Power Output290hp299hp▲ MT765+9 hp · +3%
Rated RPM2,200RPM2,100RPM▲ MT665B+100 RPM · +5%
Cylinders66Same
Displacement513ci537ci▲ MT765+24 ci · +5%
Bore4.4in4.4inSame
Stroke5.7in5.9in▲ MT765+0.2 in · +4%

Transmission

SpecChallenger MT665BChallenger MT765Difference
TypePower ShiftSelective gear fixed ratio with full range operator-controlled power shift—

Dimensions & Weight

SpecChallenger MT665BChallenger MT765Difference
Length206inNot recorded—
Width118inNot recorded—
Height124inNot recorded—
Operating Weight19,550lb29,345lb▲ MT765+9,795 lb · +50%

Hydraulics

SpecChallenger MT665BChallenger MT765Difference
System TypeOpen CenterNot recorded—
Steering TypePower SteeringElectro-hydraulic differential steering controlled by steering wheel—

Hitch & Towing

SpecChallenger MT665BChallenger MT765Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIIIIIISame
Hitch PositionRearRearSame

Chassis & Drive

SpecChallenger MT665BChallenger MT765Difference
Chassis Type4x4Not recorded—
Drive Type4WDNot recorded—
Steering TypePower SteeringElectro-hydraulic differential steering controlled by steering wheel—
Brake TypeManual External Compression BandWet multiple disc, hydraulically actuated by foot pedal—

Electrical

SpecChallenger MT665BChallenger MT765Difference
Starter TypeElectric StarterElectric—

Capacities

SpecChallenger MT665BChallenger MT765Difference
Coolant8.9galNot recorded—

Operator Station

SpecChallenger MT665BChallenger MT765Difference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 110 hp
A · 93rd percentile (290 hp)B · 93rd percentile (299 hp)

Engine Displacement

median 336 ci
A · 88th percentile (513 ci)B · 89th percentile (537 ci)

Cylinders

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

Forward Gears

median 16
A · 68th percentile (18)B · 50th percentile (16)

Operating Weight

median 10,914 lb
A · 82nd percentile (19,550 lb)B · 94th percentile (29,345 lb)
A · MT665BB · MT765Median Agricultural Tractor
Full spec pageChallenger MT665BFull spec pageChallenger MT765