J.I. Case 731: all source data
All 52 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
Production| Manufacturer | J.I. Case |
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| (no label) | Row-Crop tractor |
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| Original price | $6,900 (1969) |
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Engine| (no label) | J.I. Case 4.4L 4-cyl diesel |
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| Fuel tank | 22 gal | 83.3 L |
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Transmission| (no label) | 8-speed torque converter |
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| (no label) | 8-speed unsynchronized |
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Power| Plows | 5 |
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| Drawbar (tested) | 48.33 hp | 36.0 kW |
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| PTO (tested) | 56.50 hp | 42.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| Steering | power optional |
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| (no label) | Differential disc brakes |
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| (no label) | Open operator station. |
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Hydraulics| Type | open center |
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| Valves | 1 |
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Hitch| Rear Type | II |
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| Type | Case Eagle Hitch |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540 |
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| Rear PTO Type | 1000 |
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Dimensions| Wheelbase | 83 inches | 210 cm |
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| Weight | 7,095 lbs | 3218 kg |
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| Front tire | 6.00-16 |
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| Rear tire | 13.6-38 |
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Engine
Engine detail| (no label) | J.I. Case |
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| (no label) | diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 267 ci | 4.4 L |
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| Bore/Stroke | 4.125x5.00 inches | 105 x 127 mm |
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| Air cleaner | oil bath |
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| Compression | 15.2:1 |
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| Rated RPM | 1700 (Dual-Range) |
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| Rated RPM | 1900 (Case-o-Matic) |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 7.5 qts | 7.1 L |
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Transmission
Transmission options| (no label) | 8-speed torque converter |
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| (no label) | 8-speed unsynchronized |
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Transmission| Transmission | Case-o-matic |
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| Type | torque converter |
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| Gears | 8 forward and 2 reverse |
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| Transmission | Dual-Range |
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| Type | unsynchronized |
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| Gears | 8 forward and 2 reverse |
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| Clutch | mechanical dry disc |
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Dimensions
Tires| Ag front | 6.00-16 |
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| Ag rear | 13.6-38 |
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Dimensions| Wheelbase | 83 inches | 210 cm |
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| Operating weight | 7,095 lbs | 3218 kg |
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| Ballasted weight | 9,525 lbs | 4320 kg |
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