Comparing the International Harvester 1256 and the International Harvester 666

This page provides a detailed comparison of the specifications for the International Harvester 1256 and the International Harvester 666. Explore key differences and similarities across various aspects, including Operating Weight, Cylinders and Type.

SpecificationInternational Harvester 1256International Harvester 666
General Information
Manufacturer
International Harvester
International Harvester
Model
1256
666
Category
Utility, Standard Tread
Utility
Engine
Manufacturer
International Harvester
International Harvester
Model
DT407
D312
Power Output
113hp
Rated RPM
2,400RPM
2,000RPM
Cylinders
6
6
Displacement
407ci
312ci
Bore
4.33in
3.86in
Stroke
4.61in
4.41in
Transmission
Type
Gear, Partial Power Shift
Sliding gear
Dimensions & Weight
Length
163.8in
Width
91.7in
Height
85.8in
Operating Weight
10,405lb
7,053lb
Hydraulics
System Type
Open Center
Steering Type
Power
Hydrostatic power
Hitch & Towing
Hitch Type
Three-Point Hitch
IH Fast Hitch
Hitch Category
III/II
II
Hitch Position
Rear
Rear
Chassis & Drive
Chassis Type
4x2 2WD
4x2 2WD
Drive Type
2WD
2WD
Steering Type
Power
Hydrostatic power
Brake Type
Independent hydraulic dry disc
Dry disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
24qts
Operator Station
Type
Open, ROPS, Cab (optional)
Open or Two-post ROPS (optional)