Wikitractor

International Harvester 634

Production ended · 2WD

PTO power · claimed

59.3 hp

Weight
6,546 lb
Engines
1 Diesel
Built
3,848
Price new
no record

Power

Engine66 hp unspecified
PTO59.3 hp claimed
Drawbarno record
Listed power66 hp engine basis

Engines

International Harvester 4.6L 4-cyl dieselDiesel · 4 cyl281 ci
Engine details
International Harvester 4.6L 4-cyl diesel
Bore × stroke
4.13 in × 5.25 in
Rated speed
1,600 rpm
Rated power
66 hp
Torque
225 lb·ft at 1,000 rpm
Cooling
liquid-cooled

Transmissions

8-speed8F / 2R

Weight

Weight6,546 lb operating; 2WD

Dimensions

Wheelbase86.8 in
Length138 in
Width65.5 in

Capacities

Fuel tank20.4 gal

Hydraulics

Pump flow10.4 gpm
Steering flow4.8 gpm
Pressure2,500 psi
Steering pressure1,500 psi

Hitch

Rear hitch categoryII
Controlposition and draft control
Rear lift capacity3,360 lb

PTO

Rear PTOindependent
Rear PTO speeds540 (1.375)
Engine rpm at PTO speed540@1458

Chassis

Drive2WD
BrakesMechanical disc brakes
CabOpen operator station. Cab optional

Tires

Front7.50-16
Rear11-38

Electrical

System voltage12 V
Battery capacity95 Ah
Charginggenerator

Production

Total built3,848
FactoriesDoncaster, England
Built byInternational Harvester

Literature

  • The Roar of Dust and Diesel - A Story of International Harvester Doncaster Mike Teanby
  • 634 Diesel Tractors International Harvester