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Engine:
McCormick-Deering Standard
Power:
50 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
1940 - 1953
Overview | |
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Summary | x1940 - 1953 Standard-tread tractor |
Production | |
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Manufacturer | McCormick-Deering (a part of International Harvester) |
Summary | Standard-tread tractor |
Factories | Milwaukee, Wisconsin, USA |
Melrose Park, Illinois, USA | |
Total built | 67,418 |
Original price | $3,300 |
Summary | 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. |
Variants | |
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W-9 | gasoline |
WD-9 | diesel |
I-9 | industrial |
Mechanical | |
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Summary | Two-wheel drive |
Steering | manual worm-type gear |
Summary | Differential external contracting band brakes / Open operator station. |
Electrical | |
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Ground | positive |
References | |
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Summary | / 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 |
Engine options | |
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Summary | International Harvester 5.5L 4-cyl gasoline / International Harvester 5.5L 4-cyl distillate |
Engine Detail | |
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Summary | 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. |
Displacement | 334.5 ci 5.5 L |
Bore/Stroke | 4.40x5.50 inches 112 x 140 mm |
Compression | 5.4:1 |
Rated RPM | 1500 |
Coolant capacity | 44 qts 41.6 L |
Engine Detail | |
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Summary | 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 |
Bore/Stroke | 4.40x5.50 inches 112 x 140 mm |
Rated RPM | 1500 |
Coolant capacity | 40 qts 37.9 L |
Transmission | |
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Type | sliding gear |
Gears | 5 forward and 1 reverse |
Summary | Fifth gear was locked out on tractors equipped with steel wheels. |
McCormick-Deering W-9 Tires | |
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Ag front | 30x6 (steel) |
7.50-18 | |
Ag rear | 48x12 (steel) |
14-34 | |
15-34 | |
Ag rear | 14-32 |
Dimensions | |
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Length | 134.25 inches 340 cm |
Width | 68.5 inches 173 cm |
Height | 66 inches 167 cm |
McCormick-Deering W-9 Weight | |
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Shipping | 5,950 lbs 2698 kg |
Operating | 6,350 lbs 2880 kg |
Ballasted | 10,090 lbs 4576 kg |
Tractor Tests | |
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Summary | NTTL 369: gasoline 5-speed 2WD / NTTL 371: distillate 5-speed 2WD |
Nebraska Tractor Test 369 | |
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Summary | Gasoline 5-speed 2WD May 21 - June 17, 1941 Link: Nebraska Tractor Test 369 file |
Belt power (max) | 49.40 hp 36.8 kW |
Belt fuel use (max) | 4.2 gal/hour 15.9 l/hour |
Summary | Drawbar performance |
Max power | 44.15 hp 32.9 kW |
Summary | Gear 3 used for power test. |
Max pull | 6,414 lbs 2909 kg |
Summary | Gear 1 used for pull test. |
Nebraska Tractor Test 371 | |
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Summary | Distillate 5-speed 2WD June 4 - 17, 1941 Link: Nebraska Tractor Test 371 file |
Belt power (max) | 46.36 hp 34.6 kW |
Belt fuel use (max) | 4.3 gal/hour 16.3 l/hour |
Summary | Drawbar performance |
Max power | 42.67 hp 31.8 kW |
Summary | Gear 3 used for power test. |
Max pull | 6,577 lbs 2983 kg |
Summary | Gear 1 used for pull test. |
Last Database Update: 8/31/2025