McCormick-Deering WD-9 Specs ( 1940-1954 )
Production
| Description | Standard-tread tractor |
|---|---|
| Factories | Milwaukee, Wisconsin, USA |
| Manufacturer | McCormick-Deering (a part of International Harvester) |
Engine
| Aux. fuel | 0.88 gal (3.3 L) |
|---|---|
| Engine type | International Harvester 5.5L 4-cyl diesel |
| Fuel tank | 36 gal (136.3 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 4.40x5.50 inches (112 x 140 mm) |
| Compression | 15.7:1 |
| Coolant capacity | 44 qts (41.6 L) |
| Description | International Harvester / diesel / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 334.5 ci (5.5 L) |
| Rated RPM | 1500 |
| Starter type | gasoline ignition |
| Belt (claimed) | 42 hp (31.3 kW) |
| Belt (tested) | 46.43 hp (34.6 kW) |
| Drawbar (claimed) | 33 hp (24.6 kW) |
| Drawbar (tested) | 42.57 hp (31.7 kW) |
Transmission
| Clutch | mechanical dry disc |
|---|---|
| Gears | 5 forward and 1 reverse |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering / Differential mechanical contracting band brakes |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Ballasted weight | 10260 lbs (4653 kg) |
|---|---|
| Length | 134 inches (340 cm) |
| Operating weight | 6650 lbs (3016 kg) |
| Width | 68 inches (172 cm) |
| Front tire | 30-6 |
| Rear tire | 48-12 |
| Weight | 6650 lbs (3016 kg) |
| Ag front | 30-6 steel / 7.50x18 |
| Ag rear | 48-12 steel / 14.00x21 |
Belt Pulley
| Diameter | 14 inches (35 cm) |
|---|---|
| RPM | 707 |
| Speed | 2593 ft/min (790.35 meters/min) |
| Width | 8.5 inches (21 cm) |
Nebraska Tractor Test 370
| Belt fuel use (max) | 3.2 gal/hour (12.1 l/hour) |
|---|---|
| Belt power (max) | 46.43 hp (34.6 kW) |
| Description | Diesel 5-speed 2WDMay 21 - June 18, 1941Link: Nebraska Tractor Test 370 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 42.57 hp (31.7 kW) |
| Max pull | 6367 lbs (2888 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 |
|---|
Variants
| I-9 | industrial |
|---|---|
| W-9 | gasoline |
| WD-9 | diesel |
WD-9 Serial Numbers
| 1940 | WDCB 501 |
|---|---|
| 1941 | WDCB 578 |
| 1942 | WDCB 2993 |
| 1943 | WDCB 3651 |
| 1944 | WDCB 5394 |
| 1945 | WDCB 11459 |
| 1946 | WDCB 17289 |
| 1947 | WDCB 22714 |
| 1948 | WDCB 29207 |
| 1949 | WDCB 36159 |
| 1950 | WDCB 45551 |
| 1951 | WDCB 51739 |
| 1952 | WDCB 59407 |
| 1953 | WDCB 64014 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate near the fuel tank. |