International Harvester 434 Specs ( 1966-1972 )
Overview
The International Harvester 434 is a utility farm tractor produced between 1966 and 1972 at manufacturing facilities in Bradford, England, and Geelong, Australia. This model features a 2.5L 4-cylinder engine available in diesel or gasoline variants, delivering a claimed 35 hp at the drawbar and 36.6 hp at the belt.
Ideal Applications
Engine and Power Output:
Equipped with a liquid-cooled engine rated at 2000 RPM, the unit produces 115.1 lb-ft of torque at 1300 RPM and is supported by a 12.7-gallon fuel tank.
Transmission and Mechanical Configuration:
The mechanical layout consists of a two-wheel drive system with manual steering, an 8-speed gear transmission providing 8 forward and 2 reverse gears, and an open center hydraulic pump flow of 7.0 gpm.
Physical Dimensions and Capacity:
The tractor stands 87.40 inches high with a 76.38-inch wheelbase and is rated for a rear lift capacity of 2579 lbs on its rear hitch.
Production
| Description | Utility tractor / Built in Geelong, Australia |
|---|---|
| Factories | Bradford, England |
| Manufacturer | International Harvester |
Engine
| Engine type | International Harvester 2.5L 4-cyl diesel |
|---|---|
| Fuel tank | 12.7 gal (48.1 L) |
| Bore/Stroke | 3.50x4.00 inches (89 x 102 mm) |
| Description | International Harvester / diesel / 4-cylinder / liquid-cooled |
| Displacement | 154 ci (2.5 L) |
| Firing order | 1-3-4-2 |
| Oil capacity | 6 qts (5.7 L) |
| Power | 43 hp (32.1 kW) |
| Rated RPM | 2000 |
| Starter volts | 12 |
| Torque | 115.1 lb-ft (156.1 Nm) |
| Torque RPM | 1300 |
| Engine type | International Harvester 2.5L 4-cyl diesel / International Harvester 2.5L 4-cyl gasoline |
| Engine type | International Harvester 2.5L 4-cyl diesel / International Harvester 2.5L 4-cyl gasoline |
| Fuel tank | 12.7 gal (48.1 L) |
| Belt (claimed) | 36.6 hp (27.3 kW) |
| Drawbar (claimed) | 35 hp (26.1 kW) |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Transmission type | 8-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Hydraulics
| Pump flow | 7.0 gpm (26.5 lpm) |
|---|---|
| Type | open center |
Hitch
| Rear lift | 2579 lbs (1169 kg) |
|---|
PTO
| Rear PTO Type | 540 |
|---|
Electrical
| Battery CCA | 1000 |
|---|---|
| Charging amps | 50 |
| Charging system | Lucas generator |
| Ground | positive |
Dimensions & Tires
| Height | 87.40 inches (221 cm) |
|---|---|
| Length | 118.11 inches (299 cm) |
| Weight | 4630 lbs (2100 kg) |
| Wheelbase | 76.38 inches (194 cm) |
| Front tire | 7.50-16 |
| Rear tire | 12.4-32 |
| Weight | 4630 lbs (2100 kg) |
| Wheelbase | 76.38 inches (194 cm) |
| Ag front | 7.50-16 |
| Ag rear | 12.4-32 |
434 Serial Number Location
| Description | Serial number plate on the right side of the 434 frame. |
|---|
434 Serial Numbers
| 1966 | 501 |
|---|---|
| 1967 | 601 |
| 1968 | 1971 |
| 1969 | 2902 |
| 1970 | 3877 |
| 1971 | 4747 |
| 1972 | 5713 |
| Description | FAQ: How to read a serial number table. |
| Final | 5946 |
References
| Description | International Harvester Tractors & Equipment in Australia & New Zealand by Graeme Quick |
|---|
Variants
| 3434 | industrial tractor |
|---|---|
| 434 | utility tractor |