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J.I. Case 431

J.I. Case 431 tractor
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The J.I. Case 431 is a row-crop tractor produced from 1960 to 1969 as part of the 430 Series. It was manufactured by J.I. Case in Rock Island, Illinois and Racine, Wisconsin, USA. The 431 model is a row-crop diesel tractor with a 3.1L 4-cylinder diesel engine. It features multiple transmission options including 4-speed, 12-speed Tripl-Range, 8-speed mechanical shuttle, and 8-speed unsynchronized gear transmissions. The tractor has a claimed PTO power of 34 hp and can handle 3 plows. It has a live rear PTO with optional independent PTO starting in 1966. The tractor is equipped with dual-control hydraulics, Draft-o-Matic draft control hitch, and an open operator station. Dimensions vary with front configurations, with wheelbase ranging from 79.5 to 84.5 inches and operating weight around 3839 lbs. Attachments include the 392 Loader with a 3000 lbs breakout force and 48 inch bucket width. The original price in 1969 was $4,500.
J.I. Case 431tractorrow-cropdiesel3.1L engine34 hp PTOtransmissiondimensionshydraulicsattachments430 Series
Power37 hp[P]
Founded1960 - 1969
Model431

Technical Specifications

Detailed specifications and technical data for J.I. Case 431

Power

Plows:3
PTO (tested):34.38 hp (25.6 kW)
PTO (claimed):34 hp (25.4 kW)
Drawbar (tested):30.33 hp (22.6 kW)

Engine

Type:J.I. Case 3.1L 4-cyl diesel
Fuel tank:13 gal (49.2 L)
Rated RPM:1750
Air cleaner:oil bath
Bore/Stroke:3.8125x4.125 inches (97 x 105 mm)
Compression:17.5:1
Displacement:188.4 ci (3.1 L)
Oil capacity:5 qts (4.7 L)
Starter volts:12
Coolant capacity:13.5 qts (12.8 L)

Weight

Shipping:3375 lbs (tricycle) (1530 kg); 3495 lbs (wide front) (1585 kg)
Ballasted:6355 lbs (2882 kg)
Operating:3839 lbs (1741 kg)

Variants

430:standard-front diesel
431:row-crop diesel
440:standard-front gas
441:row-crop gas
445:industrial

Hydraulics

Type:Dual-Control
Valves:1

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band/disc brakes
Steering:manual; power (1965 on)
Operator station:Open operator station

Production

Factories:Rock Island, Illinois, USA; Racine, Wisconsin, USA
Manufacturer:J.I. Case
Original price:$4,500 (1969)

Attachments

Loader:392 Loader
Weight:995 lbs (451 kg)
Dump angle:75° dump
Bucket width:48 inches (121 cm)
Boom cylinder:2.5 inches (6 cm)
Breakout force:3000 lbs breakout (1360 kg)
Bucket cylinder:2.5 inches (6 cm)
Height (at pin):110 inches height (at pin) (279 cm)

Belt Pulley

RPM:1190
Width:6 inches (15 cm)
Diameter:10.25 inches (26 cm)

Transmission

4-speed

Type:unsynchronized gear
Gears:4 forward and 1 reverse
Clutch:254mm dry disc

12-speed

Note:Tripl-Range adds three ranges (low, direct, and high) to the basic four-speed transmission.
Type:unsynchronized gear
Gears:12 forward and 3 reverse
Clutch:254mm dry disc
Transmission:Tripl-Range
Transmission options:4-speed unsynchronized gear; 12-speed unsynchronized gear; 8-speed mechanical shuttle; 8-speed unsynchronized gear

8-speed unsynchronized

Type:unsynchronized gear
Gears:8 forward and 2 reverse
Clutch:254mm dry disc
Transmission:Dual Range

8-speed mechanical shuttle

Note:Four gears in two ranges with mechanical shuttle.
Type:mechanical shuttle
Gears:8 forward and reverse
Clutch:279.4mm dry disc
Transmission:Dual-Range Shuttle

Tractor hitch

Type:Case Eagle Hitch
Control:Draft-o-Matic draft control
Rear Type:I

Serial Numbers

1960:6144001
1961:6162601
1962:8190001
1963:8208001
1964:8229001
1965:8253501
1966:8279001
1967:8306501
1968:8332101
1969:8356251
Location:Instrument panel

Dimensions & Tires

Width:79.625 inches (202 cm)
Length:127.375 inches (wide front) (323 cm); 130.125 inches (tricycle) (330 cm)
Weight:3375 to 3839 pounds
Rear tire:12.4x28; 13.6x28
Wheelbase:79.5 inches (wide front) (201 cm); 84.5 inches (tricycle) (214 cm)
Front tire:5.50x16
Rear tread:48 to 88 inches (121 to 223 cm)
Front tread:6.5/11.5 inches (16/29 cm); 48 to 72 inches (121 to 182 cm); 52 to 80 inches (132 to 203 cm)
Height (hood):57 inches (144 cm)
Ground clearance:20.125 inches (51 cm)

Power Take-off (PTO)

Note:independent *Independent PTO optional beginning in 1966.
Rear PTO:live
Rear PTO Type:540; 540/1000