Head to head · Four-Wheel Drive

Challenger MT645D vs Challenger MT835C

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ChallengerModel A

Challenger MT645D

Four-Wheel Drive

power
251 hp
displacement
514 ci
Cylinders
6
Forward gears
Not recorded
Full MT645D specs
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ChallengerModel B

Challenger MT835C

Four-Wheel Drive

power
402 hp
displacement
928 ci
Cylinders
6
Forward gears
16
Full MT835C specs
ChallengerChallenger MT645D
vs
ChallengerChallenger MT835C

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 98–162

Engine Power

▲ MT835C higher · +151 hp (+60%)
MT645D251 hp
MT835C402 hp
Median Four-Wheel Drive Tractor375 hp

MT645D is in the 15th percentile; MT835C is in the 55th · 162 models

Engine Displacement

▲ MT835C higher · +414 ci (+81%)
MT645D514 ci
MT835C928 ci
Median Four-Wheel Drive Tractor826 ci

MT645D is in the 10th percentile; MT835C is in the 84th · 152 models

Cylinders

= Effectively tied
MT645D6
MT835C6
Median Four-Wheel Drive Tractor6

MT645D is in the 50th percentile; MT835C is in the 50th · 159 models

Operating Weight

▲ MT835C higher · +24,635 lb (+97%)
MT645D25,365 lb
MT835C50,000 lb
Median Four-Wheel Drive Tractor37,428 lb

MT645D is in the 22nd percentile; MT835C is in the 88th · 132 models

MT645D (A)MT835C (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT645DChallenger MT835CDifference
ManufacturerChallengerChallengerSame
ModelMT645DMT835C—
CategoryFour-Wheel DriveFour-Wheel DriveSame

Engine

SpecChallenger MT645DChallenger MT835CDifference
ManufacturerSisu DieselCaterpillar—
ModelNot recordedC15 ACERT—
Power Output251hp402hp▲ MT835C+151 hp · +60%
Rated RPM1,950RPM2,100RPM▲ MT835C+150 RPM · +8%
Cylinders66Same
Displacement514ci928ci▲ MT835C+414 ci · +81%
Bore4.4in5.4in▲ MT835C+1 in · +23%
Stroke5.7in6.8in▲ MT835C+1.1 in · +19%

Transmission

SpecChallenger MT645DChallenger MT835CDifference
TypeCVT (combination of mechanical and hydrostatic sections)Selective gear fixed ratio with full range operator controlled power shift—

Dimensions & Weight

SpecChallenger MT645DChallenger MT835CDifference
Length216in270in▲ MT835C+54 in · +25%
WidthNot recorded142in—
Height141in138in▲ MT645D+3 in · +2%
Operating Weight25,365lb50,000lb▲ MT835C+24,635 lb · +97%

Hydraulics

SpecChallenger MT645DChallenger MT835CDifference
System TypeClosed Center Load Sensing (CCLS)Closed center pressure-flow compensated—
Steering TypeHydrostatic powerSpeed sensitive differential—

Power Take-off (PTO)

SpecChallenger MT645DChallenger MT835CDifference
Speed 11,000rpmNot recorded—

Tires

SpecChallenger MT645DChallenger MT835CDifference
Front Tire Size600/65R34Not recorded—
Rear Tire Size710/75R42Not recorded—

Hitch & Towing

SpecChallenger MT645DChallenger MT835CDifference
Hitch TypeIIINot recorded—
Hitch CategoryIIIIVN—
Hitch PositionRearRearSame

Chassis & Drive

SpecChallenger MT645DChallenger MT835CDifference
Chassis Type4x4Not recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic powerSpeed sensitive differential—
Brake TypeMultiple wet disc hydraulically operated by two foot pedals that can be locked togetherWet multiple disc hydraulically actuated—

Electrical

SpecChallenger MT645DChallenger MT835CDifference
Starter TypeElectricElectric, 12 volt—

Operator Station

SpecChallenger MT645DChallenger MT835CDifference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 375 hp
A · 15th percentile (251 hp)B · 55th percentile (402 hp)

Engine Displacement

median 826 ci
A · 10th percentile (514 ci)B · 84th percentile (928 ci)

Cylinders

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

Operating Weight

median 37,428 lb
A · 22nd percentile (25,365 lb)B · 88th percentile (50,000 lb)

Length

median 275 in
A · 5th percentile (216 in)B · 43rd percentile (270 in)
A · MT645DB · MT835CMedian Four-Wheel Drive Tractor
Full spec pageChallenger MT645DFull spec pageChallenger MT835C