Case
J.I. Case 431
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.
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 | Typeunsynchronized gear Gears4 forward and 1 reverse Clutch254mm dry disc |
|---|---|
| 12-speed | NoteTripl-Range adds three ranges (low, direct, and high) to the basic four-speed transmission. Typeunsynchronized gear Gears12 forward and 3 reverse Clutch254mm dry disc TransmissionTripl-Range |
| Transmission options | 4-speed unsynchronized gear; 12-speed unsynchronized gear; 8-speed mechanical shuttle; 8-speed unsynchronized gear |
| 8-speed unsynchronized | Typeunsynchronized gear Gears8 forward and 2 reverse Clutch254mm dry disc TransmissionDual Range |
| 8-speed mechanical shuttle | NoteFour gears in two ranges with mechanical shuttle. Typemechanical shuttle Gears8 forward and reverse Clutch279.4mm dry disc TransmissionDual-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 |