J.I. Case LA: all source data
All 91 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) | Standard-tread tractor |
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| (no label) | Built in Racine, Wisconsin, USA |
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| Total built | 35,493 |
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| (no label) | The stout Case LA was often a candidate for re-powering with a Detroit Diesel 3-71 engine. |
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Engine| (no label) | J.I. Case 6.6L 4-cyl gasoline |
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| (no label) | J.I. Case 6.6L 4-cyl tractor fuel |
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| (no label) | J.I. Case 6.6L 4-cyl LP gas |
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| Fuel tank | 31 gal (gas) | 117.3 L |
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| Fuel tank | 29 gal (tractor fuel) | 109.8 L |
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| Aux. fuel | 2 gal | 7.6 L |
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Transmission| (no label) | 4-speed unsynchronized gear |
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Power| Drawbar (claimed) | 51 hp | 38.0 kW |
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| Belt (claimed) | 58 hp | 43.3 kW |
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| Plows | 5 |
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| Drawbar (tested) | 51.73 hp | 38.6 kW |
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| Belt (tested) | 59.60 hp | 44.4 kW |
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Mechanical| (no label) | Two-wheel drive |
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| (no label) | Manual steering |
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| (no label) | Differential mechanical disc brakes |
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| (no label) | Open operator station. |
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Dimensions| Wheelbase | 82 inches | 208 cm |
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| Weight | 7515 lbs | 3408 kg |
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| Front tire | 7.50-18 |
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| Rear tire | 15-30 |
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Serial location| (no label) | Serial number plate on the dashboard of the Case LA. |
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Belt pulley| Diameter | 13 inches | 33 cm |
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| Width | 8.25 inches | 20 cm |
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| RPM | 814 |
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| Speed | 2770 ft/min | 844.30 meters/min |
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Engine
Engine options| (no label) | J.I. Case 6.6L 4-cyl gasoline |
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| (no label) | J.I. Case 6.6L 4-cyl tractor fuel |
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| (no label) | J.I. Case 6.6L 4-cyl LP gas |
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Engine detail| (no label) | J.I. Case |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 403.2 ci | 6.6 L |
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| Bore/Stroke | 4.625x6.00 inches | 117 x 152 mm |
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| Air cleaner | oil bath |
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| Compression | 4.83:1 |
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| Rated RPM | 1100 |
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| Firing order | 1-3-4-2 |
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| Starter volts | 6 |
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| Oil capacity | 15 qts | 14.2 L |
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| Coolant capacity (Coolant) | 61 qts | 57.7 L |
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| Sparkplug gap | 0.030 inches | 0.762 mm |
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| Intake valve clearance | 0.018 inches | 0.457 mm |
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| Exhaust valve clearance | 0.018 inches | 0.457 mm |
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| (no label) | J.I. Case |
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| (no label) | tractor fuel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 403.2 ci | 6.6 L |
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| Bore/Stroke | 4.625x6 inches | 117 x 152 mm |
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| Air cleaner | oil bath |
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| Compression | 4.09 : 1 |
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| Rated RPM | 1100 |
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| Firing order | 1-3-2-4 |
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| Starter volts | 6 |
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| Oil capacity | 15 qts | 14.2 L |
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| Sparkplug gap | 0.030 inches | 0.762 mm |
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| Intake valve clearance | 0.018 inches | 0.457 mm |
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| Exhaust valve clearance | 0.018 inches | 0.457 mm |
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| (no label) | J.I. Case |
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| (no label) | LP gas |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 403.2 ci | 6.6 L |
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| Bore/Stroke | 4.625x6.00 inches | 117 x 152 mm |
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| Air cleaner | oil bath |
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| Compression | 7.58:1 |
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| Rated RPM | 1150 |
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| Firing order | 1-3-2-4 |
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Transmission
Transmission| Type | unsynchronized gear |
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| Gears | 4 forward and 1 reverse |
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| Clutch | mechanical wet disc |
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Dimensions
Tires| Ag front | 7.50-18 |
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| Ag rear | 15-30 |
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| Ag front | 30x6 (steel) |
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| Ag rear | 14-30 |
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| Ag rear | 48x12 (steel) |
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Dimensions| Wheelbase | 82 inches | 208 cm |
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| Length | 140 inches | 355 cm |
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| Width | 67 inches (steel) | 170 cm |
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| Width | 76.75 inches (rubber) | 194 cm |
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| Height (hood) | 58.5 inches (steel) | 148 cm |
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| Height (hood) | 59.5 inches (rubber) | 151 cm |
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| Operating weight | 7515 lbs | 3408 kg |
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| Ballasted weight | 10860 lbs | 4926 kg |
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