Wikitractor

International Harvester Hydro 70

Production ended · 2WD

PTO power · claimed

69 hp

Weight
8,200 lb
Engines
2 Gasoline · Diesel
Built
no record
Price new
no record

Power

Engine90 hp gross
PTO69 hp claimed
PTO, tested69.6 hp
Drawbar54 hp claimed
Drawbar, tested53.9 hp
Listed power90 hp engine basis

Engines

International Harvester 4.8L 6-cyl gasolineGasoline · 6 cyl291 ci
International Harvester 5.1L 6-cyl dieselDiesel · 6 cyl312 ci
Engine details
International Harvester 4.8L 6-cyl gasoline
Bore × stroke
3.75 in × 4.39 in
Rated speed
2,400 rpm
Rated power
90 hp
Compression
7.5:1
Cooling
liquid-cooled inine
International Harvester 5.1L 6-cyl diesel
Bore × stroke
3.88 in × 4.41 in
Rated speed
2,400 rpm
Rated power
90 hp
Compression
17:1
Cooling
liquid-cooled inline

Transmissions

hydrostatichydrostaticinfinite forward and reverse (2-range)

Weight

Weight8,200 lb operating
Shipping7,450 lb

Dimensions

Wheelbase103 in
Length161 in
Width87 in
Front tread, narrowest58 in
Front tread, widest82 in
Rear tread, narrowest56 in
Rear tread, widest96 in

Capacities

Fuel tank33 gal
Hydraulic system20 gal

Hydraulics

Systemopen center
Pump flow6 gpm
Rear valves2

Hitch

Rear hitch categoryII
Rear lift capacityno record

PTO

Rear PTOindependent
Rear PTO speeds540 (1.375)
Engine rpm at PTO speed540@1986

Chassis

Drive2WD
SteeringPower steering
BrakesDifferential dry disc brakes
CabOpen operator station

Tires

Front7.50-16
Rear15.5-38

Electrical

Chargingalternator
Charging output37 A

Production

FactoriesRock Island, Illinois, USA
Built byInternational Harvester

Serial numbers

Tractor clutch housing on right side.

YearFirst serial
19737501
19747570
19758681
197610094

Literature

  • Hydro Tractors International Harvester, 1975
  • Farm Equipment Reference Catalog International Harvester, 1975