Head to head · Crawler

Allis Chalmers HD11 vs International Harvester 1066

Allis Chalmers HD11 Tractor
Allis ChalmersModel A

Allis Chalmers HD11

Crawler

power
110 hp
displacement
516 ci
Cylinders
6
Forward gears
6
Full HD11 specs
International Harvester 1066 Tractor
International HarvesterModel B

International Harvester 1066

Row Crop

power
108 hp
displacement
414 ci
Cylinders
6
Forward gears
8
Full 1066 specs
Allis ChalmersAllis Chalmers HD11
vs
International HarvesterInternational Harvester 1066

How they compare

Headline specs vs. the whole Crawler

n = 142–192

Engine Power

▲ HD11 higher · +2 hp (+2%)
HD11110 hp
1066108 hp
Median Crawler Tractor200 hp

HD11 is in the 46th percentile; 1066 is in the 46th · 142 models

Engine Displacement

▲ HD11 higher · +102 ci (+25%)
HD11516 ci
1066414 ci
Median Crawler Tractor468 ci

HD11 is in the 58th percentile; 1066 is in the 46th · 191 models

Cylinders

= Effectively tied
HD116
10666
Median Crawler Tractor6

HD11 is in the 50th percentile; 1066 is in the 50th · 192 models

Forward Gears

▲ 1066 higher · +2 (+33%)
HD116
10668
Median Crawler Tractor10

HD11 is in the 34th percentile; 1066 is in the 41st · 179 models

HD11 (A)1066 (B)Median Crawler Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11International Harvester 1066Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelHD111066—
CategoryCrawler, AgriculturalRow Crop—

Engine

SpecAllis Chalmers HD11International Harvester 1066Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelHD-516DT414—
Power Output110hp108hp▲ HD11+2 hp · +2%
Rated RPM1,800RPM2,400RPM▲ 1066+600 RPM · +33%
Cylinders66Same
Displacement516ci414ci▲ HD11+102 ci · +25%
Bore4.5in4.3in▲ HD11+0.2 in · +5%
Stroke5.6in4.8in▲ HD11+0.7 in · +15%

Transmission

SpecAllis Chalmers HD11International Harvester 1066Difference
TypeSliding GearGear type with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers HD11International Harvester 1066Difference
Length154in165in▲ 1066+11 in · +7%
Width40in97.6in▲ 1066+57.6 in · +144%
Height84inNot recorded—
Operating Weight21,000lb12,148lb▲ HD11+8,852 lb · +73%

Hydraulics

SpecAllis Chalmers HD11International Harvester 1066Difference
System TypeNot recordedOpen center—
Steering TypeNot recordedHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers HD11International Harvester 1066Difference
TypeNot recordedIndependent—
Speed 1Not recorded540rpm—
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers HD11International Harvester 1066Difference
Hitch TypeNot recordedThree-Point Hitch—
Hitch CategoryNot recordedIII/II—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded5,601lb—

Chassis & Drive

SpecAllis Chalmers HD11International Harvester 1066Difference
Chassis TypeCrawler4x2 2WD—
Drive TypeNot recorded2WD—
Steering TypeNot recordedHydrostatic power—
Brake TypeContracting bandDouble dry disc, hydrostatic power self-adjusting—

Electrical

SpecAllis Chalmers HD11International Harvester 1066Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers HD11International Harvester 1066Difference
Coolant11gal6.3gal▲ HD11+4.7 gal · +75%

Operator Station

SpecAllis Chalmers HD11International Harvester 1066Difference
TypeOpen operator stationOpen operator stationSame

Category context

Both models against the field

Engine Power

median 200 hp
A · 46th percentile (110 hp)B · 46th percentile (108 hp)

Engine Displacement

median 468 ci
A · 58th percentile (516 ci)B · 46th percentile (414 ci)

Cylinders

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

Forward Gears

median 10
A · 34th percentile (6)B · 41st percentile (8)

Operating Weight

median 23,320 lb
A · 48th percentile (21,000 lb)B · 40th percentile (12,148 lb)
A · HD11B · 1066Median Crawler Tractor
Full spec pageAllis Chalmers HD11Full spec pageInternational Harvester 1066