McCormick-Deering W-9 Specs ( 1940-1953 )
Production
| Description | Standard-tread tractor / The 9-series tractors consisted of six models, the W-9, WD-9, WR-9, WDR-9, I-9, and ID-9. The D models are diesel. The R is a rice model, with larger fenders and a hand-clutch to allow driving while standing. The I models were industrial, with different gear ratios and foot-operated throttle. |
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| Factories | Milwaukee, Wisconsin, USA |
| Manufacturer | McCormick-Deering (a part of International Harvester) |
| Original price | $3,300 |
| Total built | 67,418 |
Engine
| Bore/Stroke | 4.40x5.50 inches (112 x 140 mm) / 4.40x5.50 inches (112 x 140 mm) |
|---|---|
| Compression | 5.4:1 |
| Coolant capacity | 44 qts (41.6 L) / 40 qts (37.9 L) |
| Description | International Harvester / gasoline / 4-cylinder / liquid-cooled vertical I-head / The gasoline engine was standard on the I-9, and an option on the W-9 until 1947, when it became the standard engine. / International Harvester / distillate / 4-cylinder / liquid-cooled / The all-fuel engine was designed for tractor fuel and gasoline lower than 70 octane. It was the standard W-9 and WR-9 engine until 1947, when the gasoline engine became standard and the all-fuel engine was an option. The all-fuel engine was an option for the I-9. |
| Displacement | 334.5 ci (5.5 L) / 334.5 ci (5.5 L) |
| Rated RPM | 1500 / 1500 |
| Engine type | International Harvester 5.5L 4-cyl gasoline / International Harvester 5.5L 4-cyl distillate |
| Aux. fuel | 0.875 gal (3.3 L) |
| Engine type | International Harvester 5.5L 4-cyl gasoline / International Harvester 5.5L 4-cyl distillate |
| Fuel tank | 36 gal (136.3 L) |
| Belt (claimed) | 45 hp (33.6 kW) |
| Belt (tested) | 49.40 hp (36.8 kW) |
| Drawbar (claimed) | 35 hp (26.1 kW) |
| Drawbar (tested) | 44.15 hp (32.9 kW) |
| Plows | 4 |
Transmission
| Description | Fifth gear was locked out on tractors equipped with steel wheels. |
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| Gears | 5 forward and 1 reverse |
| Transmission type | 5-speed sliding gear |
| Type | sliding gear |
Mechanical
| Cab | Open operator station. |
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| Description | Differential external contracting band brakes |
| Drive type | Two-wheel drive |
| Steering | manual worm-type gear |
Electrical
| Ground | positive |
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Dimensions & Tires
| Height | 66 inches (167 cm) |
|---|---|
| Length | 134.25 inches (340 cm) |
| Width | 68.5 inches (173 cm) |
| Front tire | 30x6 |
| Rear tire | 48x12 |
| Weight | 5950 to 6350 pounds |
| Ag front | 30x6 (steel) |
| Ag rear | 48x12 (steel) / 14-32 |
McCormick-Deering W-9 Weight
| Ballasted | 10,090 lbs (4576 kg) |
|---|---|
| Operating | 6,350 lbs (2880 kg) |
| Shipping | 5,950 lbs (2698 kg) |
Nebraska Tractor Test 369
| Belt fuel use (max) | 4.2 gal/hour (15.9 l/hour) |
|---|---|
| Belt power (max) | 49.40 hp (36.8 kW) |
| Description | Gasoline 5-speed 2WDMay 21 - June 17, 1941Link: Nebraska Tractor Test 369 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 44.15 hp (32.9 kW) |
| Max pull | 6,414 lbs (2909 kg) |
Nebraska Tractor Test 371
| Belt fuel use (max) | 4.3 gal/hour (16.3 l/hour) |
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| Belt power (max) | 46.36 hp (34.6 kW) |
| Description | Distillate 5-speed 2WDJune 4 - 17, 1941Link: Nebraska Tractor Test 371 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 42.67 hp (31.8 kW) |
| Max pull | 6,577 lbs (2983 kg) |
References
| Description | Farmall Letter Series Tractors by Lee Klancher / McCormick-Deering Standard Tractors published in 1946, by International Harvester / McCormick Standard Tractors published by International Harvester / General Line Catalog published in 1949, by International Harvester |
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Tractor Tests
| Description | NTTL 369: gasoline 5-speed 2WD / NTTL 371: distillate 5-speed 2WD |
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Variants
| I-9 | industrial |
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| W-9 | gasoline |
| WD-9 | diesel |
W-9 Serial Number Location
| Description | Serial number plate on the right side of the McCormick-Deering W-9, ahead of the belt pulley. |
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W-9 Serial Numbers
| 1940 | WCB501 |
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| 1941 | WCB578 |
| 1942 | WCB3003 |
| 1943 | WCB3651 |
| 1944 | WCB5501 |
| 1945 | WCB11459 |
| 1946 | WCB17294 |
| 1947 | WCB22715 |
| 1948 | WCB29207 |
| 1949 | WCB36159 |
| 1950 | WCB45551 |
| 1951 | WCB51739 |
| 1952 | WCB59407 |
| 1953 | WCB64014 |
| 1954 | WCB67969 |
| Description | FAQ: How to read a serial number table. |