Head to head · Row Crop

Challenger MT475D vs Challenger MT645

Challenger MT475D Tractor
ChallengerModel A

Challenger MT475D

Row Crop

power
123 hp
displacement
299 ci
Cylinders
4
Forward gears
Not recorded
Full MT475D specs
Challenger MT645 Tractor
ChallengerModel B

Challenger MT645

Row Crop

power
Not recorded
displacement
449 ci
Cylinders
6
Forward gears
18
Full MT645 specs
ChallengerChallenger MT475D
vs
ChallengerChallenger MT645

How they compare

Headline specs vs. the whole Row Crop

n = 1,350–1,417

Engine Displacement

▲ MT645 higher · +150 ci (+50%)
MT475D299 ci
MT645449 ci
Median Row Crop Tractor391 ci

MT475D is in the 31st percentile; MT645 is in the 77th · 1,409 models

Cylinders

▲ MT645 higher · +2 (+50%)
MT475D4
MT6456
Median Row Crop Tractor6

MT475D is in the 17th percentile; MT645 is in the 50th · 1,417 models

Operating Weight

▲ MT645 higher · +3,255 lb (+21%)
MT475D15,765 lb
MT64519,020 lb
Median Row Crop Tractor12,307 lb

MT475D is in the 69th percentile; MT645 is in the 81st · 1,350 models

MT475D (A)MT645 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT475DChallenger MT645Difference
ManufacturerChallengerChallengerSame
ModelMT475DMT645—
CategoryRow CropRow CropSame

Engine

SpecChallenger MT475DChallenger MT645Difference
ManufacturerAGCO PowerSisu/Valmet Diesel—
Model49AWINot recorded—
Power Output123hpNot recorded—
Rated RPM2,200RPM2,200RPMSame
Cylinders46▲ MT645+2 · +50%
Displacement299ci449ci▲ MT645+150 ci · +50%
Bore4.3in4.3inSame
Stroke5.3in5.3inSame

Transmission

SpecChallenger MT475DChallenger MT645Difference
TypeContinuously variable transmission (CVT) with two mechanical rangesSelective gear fixed ratio with full range operator controlled powershift—

Dimensions & Weight

SpecChallenger MT475DChallenger MT645Difference
LengthNot recorded203in—
WidthNot recorded98.2in—
HeightNot recorded121in—
Wheelbase105inNot recorded—
Operating Weight15,765lb19,020lb▲ MT645+3,255 lb · +21%

Hydraulics

SpecChallenger MT475DChallenger MT645Difference
System TypeDirect engine driveClosed Center Pressure Flow Compensated (PFC)—
Steering TypeHydrostatic PowerPower Steering (Hydrostatic)—

Tires

SpecChallenger MT475DChallenger MT645Difference
Front Tire Size480/70R28Not recorded—
Rear Tire Size580/70R38Not recorded—

Tread Width

SpecChallenger MT475DChallenger MT645Difference
Front Tread Width52.8inNot recorded—
Rear Tread52.8inNot recorded—
Front Tread Adjustment52.8" to 87.8"Not recorded—
Rear Tread Adjustment52.8" to 87.8"Not recorded—

Hitch & Towing

SpecChallenger MT475DChallenger MT645Difference
Hitch TypeCategory IINot recorded—
Hitch CategoryCategory 2III—
Hitch PositionRearRearSame

Chassis & Drive

SpecChallenger MT475DChallenger MT645Difference
Chassis TypeNot recorded4x4 MFWD 4WD—
Steering TypeHydrostatic PowerPower Steering (Hydrostatic)—
Brake TypeMultiple wet disc, hydraulically operatedNot recorded—

Electrical

SpecChallenger MT475DChallenger MT645Difference
Starter TypeElectricElectric, 12 Volts—

Operator Station

SpecChallenger MT475DChallenger MT645Difference
TypeNot recordedCab—

Category context

Both models against the field

Engine Displacement

median 391 ci
A · 31st percentile (299 ci)B · 77th percentile (449 ci)

Cylinders

median 6
A · 17th percentile (4)B · 50th percentile (6)

Operating Weight

median 12,307 lb
A · 69th percentile (15,765 lb)B · 81st percentile (19,020 lb)
A · MT475DB · MT645Median Row Crop Tractor
Full spec pageChallenger MT475DFull spec pageChallenger MT645