McCormick-Deering W-40: all source data
All 75 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 | McCormick-Deering (a part of International Harvester) |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Milwaukee, Wisconsin, USA |
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| (no label) | The W-40 paint color changed from grey to red on November 1, 1936. |
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Engine| (no label) | International Harvester 4.9L 6-cyl gasoline |
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| (no label) | International Harvester 4.9L 6-cyl kerosene |
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| (no label) | International Harvester 4.0L 6-cyl gasoline |
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| Fuel tank | 31 gal | 117.3 L |
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| Aux. fuel | 1.25 gal | 4.7 L |
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Transmission| (no label) | 3-speed unsynchronized gear |
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| (no label) | 4-speed unsynchronized gear |
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Power| Drawbar (claimed) | 28 hp | 20.9 kW |
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| Belt (claimed) | 45 hp | 33.6 kW |
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| Drawbar (tested) | 35.22 hp | 26.3 kW |
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| Belt (tested) | 49.76 hp | 37.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | bull gear |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Wheelbase | 85 inches | 215 cm |
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| Weight | 6100 lbs | 2766 kg |
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| Front tire | 34x6 |
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| Rear tire | 50x12 |
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Belt pulley| Diameter | 15.7 inches | 39 cm |
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| Width | 9 inches | 22 cm |
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| RPM | 645 |
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| Speed | 2647 ft/min | 806.81 meters/min |
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Engine
Engine options| (no label) | International Harvester 4.9L 6-cyl gasoline |
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| (no label) | International Harvester 4.9L 6-cyl kerosene |
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| (no label) | International Harvester 4.0L 6-cyl gasoline |
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Engine detail| (no label) | International Harvester FBB |
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| (no label) | gasoline |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled vertical I-head |
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| Displacement | 298.2 ci | 4.9 L |
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| Bore/Stroke | 3.75x4.50 inches | 95 x 114 mm |
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| Rated RPM | 1750 |
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| Oil capacity | 9 qts | 8.5 L |
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| Coolant capacity (Coolant) | 48 qts | 45.4 L |
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| (no label) | International Harvester |
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| (no label) | kerosene |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 298.2 ci | 4.9 L |
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| Bore/Stroke | 3.75x4.50 inches | 95 x 114 mm |
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| Air cleaner | oil bath |
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| Rated RPM | 1750 |
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| (no label) | International Harvester |
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| (no label) | gasoline |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| (no label) | The 242ci engine was used on the early production models of the WA-40 with gasoline engine. This was later replaced with the 298ci engine. |
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| Displacement | 242 ci | 4.0 L |
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| Bore/Stroke | 3.375x4.50 inches | 86 x 114 mm |
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| Air cleaner | oil bath |
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| Rated RPM | 1750 |
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Transmission
Transmission options| (no label) | 3-speed unsynchronized gear |
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| (no label) | 4-speed unsynchronized gear |
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Transmission| Type | unsynchronized gear |
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| Gears | 3 forward and 1 reverse |
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| Clutch | dry disc |
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| Type | unsynchronized gear |
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| Gears | 4 forward and 1 reverse |
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| Clutch | dry disc |
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| (no label) | High-speed fourth gear was only for tractors with rubber tires. |
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Dimensions
Tires| Ag front | 34x6 (steel) |
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| Ag rear | 50x12 (steel) |
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Dimensions| Wheelbase | 85 inches | 215 cm |
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| Length | 141.5 inches | 359 cm |
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| Width | 65.75 inches | 167 cm |
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| Height (exhaust) | 73 inches | 185 cm |
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| Weight | 6100 lbs | 2766 kg |
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| Front tread | 52.25 inches | 132 cm |
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| Rear tread | 53 inches | 134 cm |
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