Head to head · Row Crop

Allis Chalmers D21 Series II vs International Harvester 1246

Image not recorded
International HarvesterModel B

International Harvester 1246

Agricultural

power
122 hp
displacement
358 ci
Cylinders
6
Forward gears
16
Full 1246 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
International HarvesterInternational Harvester 1246

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ 1246 higher · +1 hp (<1%)
D21 Series II121 hp
1246122 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 1246 is in the 41st · 1,206 models

Engine Displacement

▲ D21 Series II higher · +68 ci (+19%)
D21 Series II426 ci
1246358 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 1246 is in the 40th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
12466
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 1246 is in the 50th · 1,417 models

Forward Gears

▲ 1246 higher · +8 (+100%)
D21 Series II8
124616
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 1246 is in the 50th · 1,200 models

D21 Series II (A)1246 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelD21 Series II1246—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
ManufacturerAllis ChalmersInternational Harvester—
Model3500Not recorded—
Power Output121hp122hp▲ 1246+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci358ci▲ D21 Series II+68 ci · +19%
Bore4.3in3.9in▲ D21 Series II+0.4 in · +10%
Stroke5in5.1in▲ 1246+0.1 in · +2%

Transmission

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
TypeSliding gear with dry disc clutchManual—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Length160in165in▲ 1246+5 in · +3%
Width91.3inNot recorded—
Height106in107in▲ 1246+1 in · <1%
Operating Weight9,502lb9,481lb▲ D21 Series II+21 lb · <1%

Hydraulics

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIInternational Harvester 1246Difference
TypeOpenNot recorded—

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 · 40th percentile (358 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 · 28th percentile (9,481 lb)
A · D21 Series IIB · 1246Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageInternational Harvester 1246