Head to head · Row Crop

International Harvester 1066 vs International Harvester A-866

International Harvester 1066 Tractor
International HarvesterModel A

International Harvester 1066

Row Crop

power
108 hp
displacement
414 ci
Cylinders
6
Forward gears
8
Full 1066 specs
International Harvester A-866 Tractor
International HarvesterModel B

International Harvester A-866

Row Crop

power
121 hp
displacement
358 ci
Cylinders
6
Forward gears
16
Full A-866 specs
International HarvesterInternational Harvester 1066
vs
International HarvesterInternational Harvester A-866

How they compare

Headline specs vs. the whole Row Crop

n = 1,200–1,417

Engine Power

▲ A-866 higher · +13 hp (+12%)
1066108 hp
A-866121 hp
Median Row Crop Tractor138 hp

1066 is in the 30th percentile; A-866 is in the 40th · 1,206 models

Engine Displacement

▲ 1066 higher · +56 ci (+16%)
1066414 ci
A-866358 ci
Median Row Crop Tractor391 ci

1066 is in the 66th percentile; A-866 is in the 40th · 1,409 models

Cylinders

= Effectively tied
10666
A-8666
Median Row Crop Tractor6

1066 is in the 50th percentile; A-866 is in the 50th · 1,417 models

Forward Gears

▲ A-866 higher · +8 (+100%)
10668
A-86616
Median Row Crop Tractor16

1066 is in the 16th percentile; A-866 is in the 50th · 1,200 models

1066 (A)A-866 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecInternational Harvester 1066International Harvester A-866Difference
ManufacturerInternational HarvesterInternational HarvesterSame
Model1066A-866—
CategoryRow CropRow CropSame

Engine

SpecInternational Harvester 1066International Harvester A-866Difference
ManufacturerInternational HarvesterInternational HarvesterSame
ModelDT414D-358—
Power Output108hp121hp▲ A-866+13 hp · +12%
Rated RPM2,400RPMNot recorded—
Cylinders66Same
Displacement414ci358ci▲ 1066+56 ci · +16%
Bore4.3in3.9in▲ 1066+0.4 in · +10%
Stroke4.8in5.1in▲ A-866+0.3 in · +6%

Transmission

SpecInternational Harvester 1066International Harvester A-866Difference
TypeGear type with dry disc clutchTwo-speed power shift—

Dimensions & Weight

SpecInternational Harvester 1066International Harvester A-866Difference
Length165inNot recorded—
Width97.6inNot recorded—
Operating Weight12,148lbNot recorded—

Hydraulics

SpecInternational Harvester 1066International Harvester A-866Difference
System TypeOpen centerNot recorded—
Steering TypeHydrostatic powerNot recorded—

Power Take-off (PTO)

SpecInternational Harvester 1066International Harvester A-866Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—
Speed 21,000rpmNot recorded—

Hitch & Towing

SpecInternational Harvester 1066International Harvester A-866Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIIII—
Hitch PositionRearNot recorded—
Hitch Capacity5,601lbNot recorded—

Chassis & Drive

SpecInternational Harvester 1066International Harvester A-866Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerNot recorded—
Brake TypeDouble dry disc, hydrostatic power self-adjustingNot recorded—

Electrical

SpecInternational Harvester 1066International Harvester A-866Difference
Starter TypeElectricNot recorded—

Capacities

SpecInternational Harvester 1066International Harvester A-866Difference
Coolant6.3galNot recorded—

Operator Station

SpecInternational Harvester 1066International Harvester A-866Difference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 30th percentile (108 hp)B · 40th percentile (121 hp)

Engine Displacement

median 391 ci
A · 66th percentile (414 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)
A · 1066B · A-866Median Row Crop Tractor
Full spec pageInternational Harvester 1066Full spec pageInternational Harvester A-866