Head to head · Row Crop

Allis Chalmers D21 Series II vs CaseIH MXM120 Maxxum

Image not recorded
CaseIHModel B

CaseIH MXM120 Maxxum

Tractor

power
122 hp
displacement
457 ci
Cylinders
6
Forward gears
18
Full MXM120 Maxxum specs
Allis ChalmersAllis Chalmers D21 Series II
vs
CaseIHCaseIH MXM120 Maxxum

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ MXM120 Maxxum higher · +1 hp (<1%)
D21 Series II121 hp
MXM120 Maxxum122 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; MXM120 Maxxum is in the 41st · 1,206 models

Engine Displacement

▲ MXM120 Maxxum higher · +31 ci (+7%)
D21 Series II426 ci
MXM120 Maxxum457 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; MXM120 Maxxum is in the 81st · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
MXM120 Maxxum6
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; MXM120 Maxxum is in the 50th · 1,417 models

Forward Gears

▲ MXM120 Maxxum higher · +10 (+125%)
D21 Series II8
MXM120 Maxxum18
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; MXM120 Maxxum is in the 61st · 1,200 models

D21 Series II (A)MXM120 Maxxum (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
ManufacturerAllis ChalmersCaseIH—
ModelD21 Series IIMXM120 Maxxum—
CategoryRow CropNot recorded—

Engine

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
ManufacturerAllis ChalmersCNH—
Model3500Not recorded—
Power Output121hp122hp▲ MXM120 Maxxum+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci457ci▲ MXM120 Maxxum+31 ci · +7%
Bore4.3in4.4in▲ MXM120 Maxxum+0.1 in · +2%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
TypeSliding gear with dry disc clutchPartial powershift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
Length160in181in▲ MXM120 Maxxum+21 in · +13%
Width91.3inNot recorded—
Height106in111in▲ MXM120 Maxxum+5 in · +5%
Operating Weight9,502lb11,283lb▲ MXM120 Maxxum+1,781 lb · +19%

Hydraulics

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
System TypeNot recordedClosed Center—
Steering TypePowerClosed-center load sensing—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerClosed-center load sensing—
Brake TypeBand actuated discWet disc—

Electrical

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
Starter TypeElectric12-volt electric starter—

Capacities

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
Coolant7.8gal6.7gal▲ D21 Series II+1.1 gal · +16%

Operator Station

SpecAllis Chalmers D21 Series IICaseIH MXM120 MaxxumDifference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 41st percentile (122 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 81st percentile (457 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 61st percentile (18)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 42nd percentile (11,283 lb)
A · D21 Series IIB · MXM120 MaxxumMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageCaseIH MXM120 Maxxum