Head to head · Four-Wheel Drive

Challenger MT645D vs Claas Challenger 75E

Image not recorded
ChallengerModel A

Challenger MT645D

Four-Wheel Drive

power
251 hp
displacement
514 ci
Cylinders
6
Forward gears
Not recorded
Full MT645D specs
ChallengerChallenger MT645D
vs
ClaasClaas Challenger 75E

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 132–162

Engine Power

▲ Challenger 75E higher · +89 hp (+35%)
MT645D251 hp
Challenger 75E340 hp
Median Four-Wheel Drive Tractor375 hp

MT645D is in the 15th percentile; Challenger 75E is in the 39th · 162 models

Engine Displacement

▲ Challenger 75E higher · +115 ci (+22%)
MT645D514 ci
Challenger 75E629 ci
Median Four-Wheel Drive Tractor826 ci

MT645D is in the 10th percentile; Challenger 75E is in the 21st · 152 models

Cylinders

= Effectively tied
MT645D6
Challenger 75E6
Median Four-Wheel Drive Tractor6

MT645D is in the 50th percentile; Challenger 75E is in the 50th · 159 models

Operating Weight

▲ Challenger 75E higher · +9,435 lb (+37%)
MT645D25,365 lb
Challenger 75E34,800 lb
Median Four-Wheel Drive Tractor37,428 lb

MT645D is in the 22nd percentile; Challenger 75E is in the 42nd · 132 models

MT645D (A)Challenger 75E (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT645DClaas Challenger 75EDifference
ManufacturerChallengerClaas—
ModelMT645DChallenger 75E—
CategoryFour-Wheel DriveCrawler, Agricultural—

Engine

SpecChallenger MT645DClaas Challenger 75EDifference
ManufacturerSisu DieselCaterpillar—
Power Output251hp340hp▲ Challenger 75E+89 hp · +35%
Rated RPM1,950RPM2,100RPM▲ Challenger 75E+150 RPM · +8%
Cylinders66Same
Displacement514ci629ci▲ Challenger 75E+115 ci · +22%
Bore4.4in4.9in▲ Challenger 75E+0.5 in · +11%
Stroke5.7in5.5in▲ MT645D+0.2 in · +4%

Transmission

SpecChallenger MT645DClaas Challenger 75EDifference
TypeCVT (combination of mechanical and hydrostatic sections)Full power shift—

Dimensions & Weight

SpecChallenger MT645DClaas Challenger 75EDifference
Length216inNot recorded—
Height141inNot recorded—
Operating Weight25,365lb34,800lb▲ Challenger 75E+9,435 lb · +37%

Hydraulics

SpecChallenger MT645DClaas Challenger 75EDifference
System TypeClosed Center Load Sensing (CCLS)Closed—
Steering TypeHydrostatic powerHydrostatic differential steering—

Power Take-off (PTO)

SpecChallenger MT645DClaas Challenger 75EDifference
Speed 11,000rpmNot recorded—

Tires

SpecChallenger MT645DClaas Challenger 75EDifference
Front Tire Size600/65R34Not recorded—
Rear Tire Size710/75R42Not recorded—

Hitch & Towing

SpecChallenger MT645DClaas Challenger 75EDifference
Hitch TypeIIINot recorded—
Hitch CategoryIIIIII,IV—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecChallenger MT645DClaas Challenger 75EDifference
Chassis Type4x4Crawler—
Drive Type4WDNot recorded—
Steering TypeHydrostatic powerHydrostatic differential steering—
Brake TypeMultiple wet disc hydraulically operated by two foot pedals that can be locked togetherNot recorded—

Electrical

SpecChallenger MT645DClaas Challenger 75EDifference
Starter TypeElectricElectric Starter (12 volts)—

Capacities

SpecChallenger MT645DClaas Challenger 75EDifference
CoolantNot recorded15gal—

Operator Station

SpecChallenger MT645DClaas Challenger 75EDifference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 375 hp
A · 15th percentile (251 hp)B · 39th percentile (340 hp)

Engine Displacement

median 826 ci
A · 10th percentile (514 ci)B · 21st percentile (629 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 · 42nd percentile (34,800 lb)
A · MT645DB · Challenger 75EMedian Four-Wheel Drive Tractor
Full spec pageChallenger MT645DFull spec pageClaas Challenger 75E