J.I. Case 431: all source data
All 88 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
| Manufacturer | J.I. Case |
|---|---|
| (no label) | Row-Crop tractor |
| Factories | Rock Island, Illinois, USA |
| Factories | Racine, Wisconsin, USA |
| Original price | $4,500 (1969) |
| (no label) | J.I. Case 3.1L 4-cyl diesel |
|---|---|
| Fuel tank | 13 gal | 49.2 L |
| (no label) | 4-speed unsynchronized gear |
|---|---|
| (no label) | 12-speed unsynchronized gear |
| (no label) | 8-speed mechanical shuttle |
| (no label) | 8-speed unsynchronized gear |
| PTO (claimed) | 34 hp | 25.4 kW |
|---|---|
| Plows | 3 |
| Drawbar (tested) | 30.33 hp | 22.6 kW |
| PTO (tested) | 34.38 hp | 25.6 kW |
| (no label) | Two-wheel drive |
|---|---|
| Steering | manual |
| Steering | power (1965 on) |
| (no label) | Mechanical band/disc brakes |
| (no label) | Open operator station |
| Type | Dual-Control |
|---|---|
| Valves | 1 |
| Rear Type | I |
|---|---|
| Control | Draft-o-Matic draft control |
| Type | Case Eagle Hitch |
| Rear PTO | live |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 |
| Rear PTO Type | 540/1000 |
| Wheelbase | 79.5 inches (wide front) | 201 cm |
|---|---|
| Wheelbase | 84.5 inches (tricycle) | 214 cm |
| Weight | 3375 to 3839 pounds |
| Front tire | 5.50x16 |
| Rear tire | 12.4x28 |
| Diameter | 10.25 inches | 26 cm |
|---|---|
| Width | 6 inches | 15 cm |
| RPM | 1190 |
Engine
| (no label) | J.I. Case |
|---|---|
| (no label) | diesel |
| (no label) | 4-cylinder |
| (no label) | liquid-cooled overhead valve |
| Displacement | 188.4 ci | 3.1 L |
| Bore/Stroke | 3.8125x4.125 inches | 97 x 105 mm |
| Air cleaner | oil bath |
| Compression | 17.5:1 |
| Rated RPM | 1750 |
| Starter volts | 12 |
| Oil capacity | 5 qts | 4.7 L |
| Coolant capacity (Coolant) | 13.5 qts | 12.8 L |
Transmission
| (no label) | 4-speed unsynchronized gear |
|---|---|
| (no label) | 12-speed unsynchronized gear |
| (no label) | 8-speed mechanical shuttle |
| (no label) | 8-speed unsynchronized gear |
| Type | unsynchronized gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Clutch | 254mm dry disc |
| Transmission | Tripl-Range |
| Type | unsynchronized gear |
| Gears | 12 forward and 3 reverse |
| Clutch | 254mm dry disc |
| (no label) | Tripl-Range adds three ranges (low, direct, and high) to the basic four-speed transmission. |
| Transmission | Dual-Range Shuttle |
| Type | mechanical shuttle |
| Gears | 8 forward and reverse |
| Clutch | 279.4mm dry disc |
| (no label) | Four gears in two ranges with mechanical shuttle. |
| Transmission | Dual Range |
| Type | unsynchronized gear |
| Gears | 8 forward and 2 reverse |
| Clutch | 254mm dry disc |
Dimensions
| Ag front | 5.50x16 |
|---|---|
| Ag rear | 12.4x28 |
| Ag rear | 13.6x28 |
| Wheelbase | 79.5 inches (wide front) | 201 cm |
|---|---|
| Wheelbase | 84.5 inches (tricycle) | 214 cm |
| Length | 127.375 inches (wide front) | 323 cm |
| Length | 130.125 inches (tricycle) | 330 cm |
| Width | 79.625 inches | 202 cm |
| Height (hood) | 57 inches | 144 cm |
| Ground clearance | 20.125 inches | 51 cm |
| Front tread | 6.5/11.5 inches | 16/29 cm |
| Front tread | 48 to 72 inches | 121 to 182 cm |
| Front tread | 52 to 80 inches | 132 to 203 cm |
| Rear tread | 48 to 88 inches | 121 to 223 cm |
| Shipping | 3375 lbs (tricycle) | 1530 kg |
|---|---|
| Shipping | 3495 lbs (wide front) | 1585 kg |
| Operating | 3839 lbs | 1741 kg |
| Ballasted | 6355 lbs | 2882 kg |