Head to head · Row Crop

International Harvester 1066 vs International Harvester 766

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
Image not recorded
International HarvesterModel B

International Harvester 766

Row Crop

power
Not recorded
displacement
391 ci
Cylinders
6
Forward gears
16
Full 766 specs
International HarvesterInternational Harvester 1066
vs
International HarvesterInternational Harvester 766

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Displacement

▲ 1066 higher · +23 ci (+6%)
1066414 ci
766391 ci
Median Row Crop Tractor391 ci

1066 is in the 66th percentile; 766 is in the 50th · 1,409 models

Cylinders

= Effectively tied
10666
7666
Median Row Crop Tractor6

1066 is in the 50th percentile; 766 is in the 50th · 1,417 models

Forward Gears

▲ 766 higher · +8 (+100%)
10668
76616
Median Row Crop Tractor16

1066 is in the 16th percentile; 766 is in the 50th · 1,200 models

Operating Weight

▲ 1066 higher · +1,848 lb (+18%)
106612,148 lb
76610,300 lb
Median Row Crop Tractor12,307 lb

1066 is in the 50th percentile; 766 is in the 34th · 1,350 models

1066 (A)766 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecInternational Harvester 1066International Harvester 766Difference
ManufacturerInternational HarvesterInternational HarvesterSame
Model1066766—
CategoryRow CropRow CropSame

Engine

SpecInternational Harvester 1066International Harvester 766Difference
ManufacturerInternational HarvesterInternational HarvesterSame
ModelDT414C291—
Power Output108hpNot recorded—
Rated RPM2,400RPM2,400RPMSame
Cylinders66Same
Displacement414ci391ci▲ 1066+23 ci · +6%
Bore4.3in3.7in▲ 1066+0.6 in · +16%
Stroke4.8in4.4in▲ 1066+0.4 in · +9%

Transmission

SpecInternational Harvester 1066International Harvester 766Difference
TypeGear type with dry disc clutchSliding gear / Partial power shift—

Dimensions & Weight

SpecInternational Harvester 1066International Harvester 766Difference
Length165in165inSame
Width97.6in98in▲ 766+0.4 in · <1%
HeightNot recorded105in—
Operating Weight12,148lb10,300lb▲ 1066+1,848 lb · +18%

Hydraulics

SpecInternational Harvester 1066International Harvester 766Difference
System TypeOpen centerOpen centerSame
Steering TypeHydrostatic powerHydrostatic PowerSame

Power Take-off (PTO)

SpecInternational Harvester 1066International Harvester 766Difference
TypeIndependentIndependentSame
Speed 1540rpm540rpmSame
Speed 21,000rpm1,000rpmSame

Hitch & Towing

SpecInternational Harvester 1066International Harvester 766Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame
Hitch Capacity5,601lbNot recorded—

Chassis & Drive

SpecInternational Harvester 1066International Harvester 766Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerHydrostatic PowerSame
Brake TypeDouble dry disc, hydrostatic power self-adjustingHydraulic Dry Disc—

Electrical

SpecInternational Harvester 1066International Harvester 766Difference
Starter TypeElectricElectricSame

Capacities

SpecInternational Harvester 1066International Harvester 766Difference
Coolant6.3galNot recorded—

Operator Station

SpecInternational Harvester 1066International Harvester 766Difference
TypeOpen operator stationOpen—

Category context

Both models against the field

Engine Displacement

median 391 ci
A · 66th percentile (414 ci)B · 50th percentile (391 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 · 50th percentile (12,148 lb)B · 34th percentile (10,300 lb)

Length

median 180 in
A · 30th percentile (165 in)B · 30th percentile (165 in)
A · 1066B · 766Median Row Crop Tractor
Full spec pageInternational Harvester 1066Full spec pageInternational Harvester 766