Head to head · Row Crop

Allis Chalmers D21 Series II vs Challenger MT475B

Image not recorded
ChallengerModel B

Challenger MT475B

Utility

power
124 hp
displacement
402 ci
Cylinders
6
Forward gears
16
Full MT475B specs
Allis ChalmersAllis Chalmers D21 Series II
vs
ChallengerChallenger MT475B

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ MT475B higher · +3 hp (+2%)
D21 Series II121 hp
MT475B124 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; MT475B is in the 42nd · 1,206 models

Engine Displacement

▲ D21 Series II higher · +24 ci (+6%)
D21 Series II426 ci
MT475B402 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; MT475B is in the 52nd · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
MT475B6
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; MT475B is in the 50th · 1,417 models

Forward Gears

▲ MT475B higher · +8 (+100%)
D21 Series II8
MT475B16
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; MT475B is in the 50th · 1,200 models

D21 Series II (A)MT475B (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
ManufacturerAllis ChalmersChallenger—
ModelD21 Series IIMT475B—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
ManufacturerAllis ChalmersPerkins Diesel—
Model3500C6.6—
Power Output121hp124hp▲ MT475B+3 hp · +2%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci402ci▲ D21 Series II+24 ci · +6%
Bore4.3in4.1in▲ D21 Series II+0.2 in · +5%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
TypeSliding gear with dry disc clutchSelective gear fixed ratio with partial (4) range operator controlled powershift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
Length160in190in▲ MT475B+30 in · +19%
Width91.3in79.3in▲ D21 Series II+12 in · +15%
Height106in110in▲ MT475B+4 in · +4%
Operating Weight9,502lb11,795lb▲ MT475B+2,293 lb · +24%

Hydraulics

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
System TypeNot recordedOpen center and closed center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discWet Disc—

Electrical

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIChallenger MT475BDifference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 42nd percentile (124 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 52nd percentile (402 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 46th percentile (11,795 lb)
A · D21 Series IIB · MT475BMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageChallenger MT475B