Tractor Reference

International Harvester Hydro 70 Tractor Specs (1973-1976)

International Harvester Hydro 70 tractor specs for 1973-1976, with available engine, driveline, PTO, hydraulic, capacity, weight, tire, and serial details.

International Harvester Hydro 70 Overview

International Harvester Hydro 70 tractor in a rural farm setting.

The International Harvester Hydro 70 was built from 1973-1976. Recorded details include rated engine speed of 2400, gear count of infinite forward and reverse (2-range), rear PTO speed of 540 (1.375), hydraulic system of open center, hydraulic capacity of 20 gal 75.7 L. Together, those figures give owners a practical starting point when comparing engine, driveline, PTO, hydraulic, capacity, and chassis details for this particular tractor. They also provide a useful reference for routine checks, repairs, service planning, and equipment matching.

Years1973-1976
Transmissionhydrostatic
Rear PTO540 (1.375)
Weight7450 to 8200 pounds

International Harvester Hydro 70 Quick Answers

  • Production years1973-1976
  • Transmissioninfinite forward and reverse (2-range)
  • Rear PTO540 (1.375)
  • Hydraulicsopen center

Engine and Power

The listed engine details include rated engine speed of 2400.

Gasoline engine

Rated Rpm2400
Coolant Capacity21 qts 19.9 L

Diesel engine

Rated Rpm2400
Coolant Capacity21 qts 19.9 L

Manufacture years

1973-1976

Transmission

The transmission record notes gear count of infinite forward and reverse (2-range).

Transmission

Typehydrostatic
Gearsinfinite forward and reverse (2-range)

PTO and Hitch

PTO and hitch details include rear PTO speed of 540 (1.375).

Rear PTO

independent

Rear PTO type

540 (1.375)

Engine RPM

540@1986

Rear hitch

II

Hydraulics

The hydraulic record lists hydraulic system of open center.

Type

open center

Capacity

20 gal 75.7 L

Pump flow

6 gpm 22.7 lpm

Accuracy Note

Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.