Head to head · Row Crop

Allis Chalmers D21 Series II vs CaseIH Farmall 125A

Image not recorded
CaseIHModel B

CaseIH Farmall 125A

Utility

power
125 hp
displacement
411 ci
Cylinders
6
Forward gears
8
Full Farmall 125A specs
Allis ChalmersAllis Chalmers D21 Series II
vs
CaseIHCaseIH Farmall 125A

How they compare

Headline specs vs. the whole Row Crop

n = 1,200–1,417

Engine Power

▲ Farmall 125A higher · +4 hp (+3%)
D21 Series II121 hp
Farmall 125A125 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; Farmall 125A is in the 42nd · 1,206 models

Engine Displacement

▲ D21 Series II higher · +15 ci (+4%)
D21 Series II426 ci
Farmall 125A411 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; Farmall 125A is in the 63rd · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
Farmall 125A6
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; Farmall 125A is in the 50th · 1,417 models

Forward Gears

= Effectively tied
D21 Series II8
Farmall 125A8
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; Farmall 125A is in the 16th · 1,200 models

D21 Series II (A)Farmall 125A (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
ManufacturerAllis ChalmersCaseIH—
ModelD21 Series IIFarmall 125A—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
ManufacturerAllis ChalmersFPT—
Model3500Not recorded—
Power Output121hp125hp▲ Farmall 125A+4 hp · +3%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci411ci▲ D21 Series II+15 ci · +4%
Bore4.3in4.1in▲ D21 Series II+0.2 in · +5%
Stroke5in5.2in▲ Farmall 125A+0.2 in · +4%

Transmission

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
TypeSliding gear with dry disc clutch8-speed power shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
Length160inNot recorded—
Width91.3inNot recorded—
Height106inNot recorded—
Operating Weight9,502lb9,061lb▲ D21 Series II+441 lb · +5%

Hydraulics

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
System TypeNot recordedOpen Center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IICaseIH Farmall 125ADifference
TypeOpenROPS / Cab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 42nd percentile (125 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 63rd percentile (411 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 26th percentile (9,061 lb)
A · D21 Series IIB · Farmall 125AMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageCaseIH Farmall 125A