McCormick-Deering W-40 Specs ( 1935-1940 )
Production
| Description | Standard-tread tractor / Built in Milwaukee, Wisconsin, USA / The W-40 paint color changed from grey to red on November 1, 1936. |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.75x4.50 inches (95 x 114 mm) / 3.75x4.50 inches (95 x 114 mm) / 3.375x4.50 inches (86 x 114 mm) |
| Coolant capacity | 48 qts (45.4 L) |
| Description | International Harvester FBB / gasoline / 6-cylinder / liquid-cooled vertical I-head / International Harvester / kerosene / 6-cylinder / liquid-cooled / International Harvester / gasoline / 6-cylinder / liquid-cooled / 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. |
| Displacement | 298.2 ci (4.9 L) / 298.2 ci (4.9 L) / 242 ci (4.0 L) |
| Oil capacity | 9 qts (8.5 L) |
| Rated RPM | 1750 / 1750 / 1750 |
| Engine type | International Harvester 4.9L 6-cyl gasoline / International Harvester 4.9L 6-cyl kerosene / International Harvester 4.0L 6-cyl gasoline |
| Aux. fuel | 1.25 gal (4.7 L) |
| Engine type | International Harvester 4.9L 6-cyl gasoline / International Harvester 4.9L 6-cyl kerosene / International Harvester 4.0L 6-cyl gasoline |
| Fuel tank | 31 gal (117.3 L) |
| Belt (claimed) | 45 hp (33.6 kW) |
| Belt (tested) | 49.76 hp (37.1 kW) |
| Drawbar (claimed) | 28 hp (20.9 kW) |
| Drawbar (tested) | 35.22 hp (26.3 kW) |
Transmission
| Clutch | dry disc / dry disc |
|---|---|
| Description | High-speed fourth gear was only for tractors with rubber tires. |
| Gears | 3 forward and 1 reverse / 4 forward and 1 reverse |
| Type | unsynchronized gear / unsynchronized gear |
| Transmission type | 3-speed unsynchronized gear / 4-speed unsynchronized gear |
| Transmission type | 3-speed unsynchronized gear / 4-speed unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
| Final drives | bull gear |
PTO
| Rear PTO Type | 553 |
|---|
Dimensions & Tires
| Front tread | 52.25 inches (132 cm) |
|---|---|
| Height (exhaust) | 73 inches (185 cm) |
| Length | 141.5 inches (359 cm) |
| Rear tread | 53 inches (134 cm) |
| Weight | 6100 lbs (2766 kg) |
| Wheelbase | 85 inches (215 cm) |
| Width | 65.75 inches (167 cm) |
| Front tire | 34x6 |
| Rear tire | 50x12 |
| Weight | 6100 lbs (2766 kg) |
| Wheelbase | 85 inches (215 cm) |
| Ag front | 34x6 (steel) |
| Ag rear | 50x12 (steel) |
Belt Pulley
| Diameter | 15.7 inches (39 cm) |
|---|---|
| RPM | 645 |
| Speed | 2647 ft/min (806.81 meters/min) |
| Width | 9 inches (22 cm) |
Nebraska Tractor Test 268
| Belt fuel use (max) | 5.4 gal/hour (20.4 l/hour) |
|---|---|
| Belt power (max) | 45.69 hp (34.1 kW) |
| Description | Distillate 1600rpm 3-speed 2WDAugust 25 - September 3, 1936Link: Nebraska Tractor Test 268 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 31.79 hp (23.7 kW) |
| Max pull | 4,399 lbs (1995 kg) |
Nebraska Tractor Test 269
| Belt fuel use (max) | 5.6 gal/hour (21.2 l/hour) |
|---|---|
| Belt power (max) | 49.76 hp (37.1 kW) |
| Description | Distillate 1750rpm 3-speed 2WDSeptember 3 - 15, 1936Link: Nebraska Tractor Test 269 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 35.22 hp (26.3 kW) |
| Max pull | 4,982 lbs (2259 kg) |
References
| Description | Instruction Book Model W-40 (5097) published in 1937 |
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Tractor Tests
| Description | NTTL 268: distillate 1600rpm 3-speed 2WD / NTTL 269: distillate 1750rpm 3-speed 2WD |
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Variants
| W-40 | 298ci gasoline |
|---|---|
| WA-40 | 279ci gasoline |
| WD-40 | diesel |
| WK-40 | 298ci kerosene |
W-40 Serial Numbers
| 1935 | 501 |
|---|---|
| 1936 | 1441 |
| 1937 | 5120 |
| 1938 | 7665 |
| 1939 | 9756 |
| 1940 | 10323 |
| Description | FAQ: How to read a serial number table. |