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International Harvester I-4

International Harvester I-4 tractor
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The International Harvester I-4 is an industrial tractor produced from 1941 to 1953 by International Harvester in Rock Island, Illinois, USA. A total of 24,377 units were built. It was available in standard-tread (W-4) and row-crop (H) variants. The tractor features a 2.5L 4-cylinder engine available in distillate and gasoline versions, a 5-speed sliding gear transmission, and two-wheel drive with an open operator station. It has a rear PTO type of 540 rpm. The tractor weighs 4219 lbs (1913 kg) and has dimensions of 113.2 inches length, 59 inches width, and 80 inches height. Tires are sized 5.50-16 front and 13-26 rear. The serial number is located on the left side of the clutch housing.
International Harvester I-4industrial tractor2.5L engine5-speed transmission1941 tractor1953 tractorIH I-4
Power-
Founded-
ModelI-4

Technical Specifications

Detailed specifications and technical data for International Harvester I-4

Power

Drive:Two-wheel drive
Operator station:Open operator station

Engine

Aux. fuel:0.88 gal (3.3 L)
Fuel tank:17.5 gal (66.2 L)
Engine options:International Harvester 2.5L 4-cyl distillate, International Harvester 2.5L 4-cyl gasoline
Gasoline point gap:0.013 inches (0.330 mm)
Gasoline rated RPM:1650
Distillate rated RPM:1650
Gasoline bore/stroke:3.375x4.25 inches (86 x 108 mm)
Gasoline compression:5.9:1
Gasoline engine type:4-cylinder liquid-cooled vertical I-head
Gasoline displacement:152.1 ci (2.5 L)
Gasoline firing order:1-3-4-2
Gasoline oil capacity:6 qts (5.7 L)
Distillate bore/stroke:3.375x4.25 inches (86 x 108 mm)
Distillate compression:4.75:1
Distillate engine type:4-cylinder liquid-cooled vertical I-head
Gasoline sparkplug gap:0.025 inches (0.635 mm)
Distillate displacement:152.1 ci (2.5 L)
Distillate firing order:1-3-4-2
Distillate oil capacity:6 qts (5.7 L)
Distillate coolant capacity:17 qts (16.1 L)
Gasoline intake valve clearance:0.017 inches (0.432 mm)
Gasoline exhaust valve clearance:0.017 inches (0.432 mm)

Variants

H:row-crop
W-4:standard-tread

Production

Built in:Rock Island, Illinois, USA
Total built:24,377
Manufacturer:International Harvester
Original price:$1,900
Years produced:1941 - 1953

Transmission

Type:sliding gear
Gears:5 forward and 1 reverse

Serial Numbers

1940:501
1941:943
1942:4056
1943:5693
1944:7593
1945:11171
1946:13934
1947:16022
1948:18880
1949:21912
1950:24470
1951:28167
1952:31214
1953:33067

Dimensions & Tires

Width:59 inches (149 cm)
Height:80 inches (203 cm)
Length:113.2 inches (287 cm)
Weight:4219 lbs (1913 kg)
Ag rear tires:13-26
Ag front tires:5.50-16

Power Take-off (PTO)

Rear PTO Type:540

Serial Number Location

Location:Left side of clutch housing