Head to head · Row Crop

Allis Chalmers D21 Series II vs Challenger MT545B MFWD

Image not recorded
ChallengerModel B

Challenger MT545B MFWD

Agricultural

power
120 hp
displacement
403 ci
Cylinders
6
Forward gears
Not recorded
Full MT545B MFWD specs
Allis ChalmersAllis Chalmers D21 Series II
vs
ChallengerChallenger MT545B MFWD

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series II higher · +1 hp (<1%)
D21 Series II121 hp
MT545B MFWD120 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; MT545B MFWD is in the 39th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +23 ci (+6%)
D21 Series II426 ci
MT545B MFWD403 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; MT545B MFWD is in the 56th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
MT545B MFWD6
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; MT545B MFWD is in the 50th · 1,417 models

Operating Weight

▲ MT545B MFWD higher · +1,550 lb (+16%)
D21 Series II9,502 lb
MT545B MFWD11,052 lb
Median Row Crop Tractor12,307 lb

D21 Series II is in the 28th percentile; MT545B MFWD is in the 40th · 1,350 models

D21 Series II (A)MT545B MFWD (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
ManufacturerAllis ChalmersChallenger—
ModelD21 Series IIMT545B MFWD—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
ManufacturerAllis ChalmersNot recorded—
Model3500C6.6 ACERT—
Power Output121hp120hp▲ D21 Series II+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci403ci▲ D21 Series II+23 ci · +6%
Bore4.3inNot recorded—
Stroke5inNot recorded—

Transmission

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
TypeSliding gear with dry disc clutchAuto Power—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Length160in182in▲ MT545B MFWD+22 in · +14%
Width91.3in81.6in▲ D21 Series II+9.7 in · +12%
Height106in113in▲ MT545B MFWD+7 in · +7%
Operating Weight9,502lb11,052lb▲ MT545B MFWD+1,550 lb · +16%

Hydraulics

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Hitch TypeThree-Point HitchStandard—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearRearSame
Hitch CapacityNot recorded10,915lb—

Chassis & Drive

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDMFWD—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
Coolant7.8gal6.8gal▲ D21 Series II+1 gal · +15%

Operator Station

SpecAllis Chalmers D21 Series IIChallenger MT545B MFWDDifference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 39th percentile (120 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 56th percentile (403 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 40th percentile (11,052 lb)

Length

median 180 in
A · 25th percentile (160 in)B · 52nd percentile (182 in)
A · D21 Series IIB · MT545B MFWDMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageChallenger MT545B MFWD