International Harvester

International Harvester Hydro 100

The International Harvester Hydro 100 is a row-crop tractor produced from 1973 to 1976 as part of the 66 Series. It features a 7.1L 6-cylinder liquid-cooled diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and power outputs of up to 104.17 hp at the PTO. Built in Rock Island, Illinois, it includes power steering, differential hydraulic dry disc brakes, and an open operator station with optional two-post ROPS and cab. The tractor has a wheelbase of 104.8 inches and weighs 12,130 lbs. It uses 10.00-16 front tires and 18.4-34 rear tires, with a rear Type II hitch and independent rear PTO with 540/1000 rpm options.

Power115 hp[P]

Founded1973 - 1976

ModelHydro 100

International Harvester Hydro 100 tractor

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Technical Specifications

Detailed specifications and technical data for International Harvester Hydro 100

Power

PTO (tested)	104.17 hp (77.7 kW)
PTO (claimed)	104.17 hp (77.7 kW)
Drawbar (tested)	78.31 hp (58.4 kW)
Drawbar (claimed)	80 hp (59.7 kW)

Tires

Ag rear	18.4-34
Ag front	10.00-16

Engine

Type	diesel
Cooling	liquid-cooled
Cylinders	6-cylinder
Rated RPM	2400
Air cleaner	dual stage dry
Bore/Stroke	4.30x5.00 inches (109 x 127 mm)
Displacement	436 ci (7.1 L)
Manufacturer	International Harvester
Starter volts	12
Compression ratio	15.8:1

Dimensions

Weight	12,130 lbs (5502 kg)
Rear tire	18.4-34
Wheelbase	104.8 inches (266 cm)
Front tire	10.00-16

Hydraulics

Type	open center
Pump flow	12 gpm (45.4 lpm)

Mechanical

Drive	Two-wheel drive
Brakes	Differential hydraulic dry disc brakes
Steering	Power steering
Operator station	Open operator station. Two-post ROPS and cab available.

Production