McCormick-Deering Super WD-9 Specs ( 1953-1956 )
Overview
The McCormick-Deering Super WD-9 is a standard-tread farm tractor produced between 1953 and 1956 in Melrose Park, Illinois, with 10,938 units manufactured. It features an International Harvester 5.7L 4-cylinder diesel engine with a gasoline-start system and a 5-speed gear transmission.
Ideal Applications
Tested Power Output:
Nebraska Tractor Test 518 recorded a maximum belt power of 65.19 hp and a maximum drawbar pull of 8,416 lbs using the third gear for power testing.
Belt Pulley Specifications:
The unit is equipped with a 14-inch diameter belt pulley that operates at 707 RPM, achieving a belt speed of 2,593 feet per minute.
Physical Dimensions and Weight:
This model has a 140-inch length and 83.4-inch wheelbase, with a ballasted weight of 12,790 lbs and a 35-gallon fuel tank capacity.
Production
| Description | Standard-tread tractor / Built in Melrose Park, Illinois, USA |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
| Total built | 10,938 |
Engine
| Engine type | International Harvester 5.7L 4-cyl diesel |
|---|---|
| Fuel tank | 35 gal (132.5 L) |
| Bore/Stroke | 4.50x5.50 inches (114 x 140 mm) |
| Compression | 15.6:1 |
| Coolant capacity | 36 qts (34.1 L) |
| Description | International Harvester / diesel / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 349.9 ci (5.7 L) |
| Rated RPM | 1500 |
| Starter | gasoline-start |
| Starter volts | 12 |
| Belt (claimed) | 65 hp (48.5 kW) |
| Belt (tested) | 65.19 hp (48.6 kW) |
| Drawbar (tested) | 57.37 hp (42.8 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 5 forward and 1 reverse |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical disc brakes |
| Drive type | Two-wheel drive |
| Steering | manual |
PTO
| Rear PTO Type | 540 |
|---|
Dimensions & Tires
| Ballasted weight | 12,790 lbs (5801 kg) |
|---|---|
| Front tread | 52 inches (132 cm) |
| Height | 83 inches (210 cm) |
| Length | 140 inches (355 cm) |
| Rear tread | 66.5 inches (168 cm) |
| Weight | 7,300 lbs (3311 kg) |
| Wheelbase | 83.4 inches (211 cm) |
| Width | 81 inches (205 cm) |
| Front tire | 7.50x18 |
| Rear tire | 18.00x26 |
| Weight | 7,300 lbs (3311 kg) |
| Wheelbase | 83.4 inches (211 cm) |
| Ag front | 7.50x18 |
| Ag rear | 18.00x26 |
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 518
| Belt fuel use (max) | 4.5 gal/hour (17.0 l/hour) |
|---|---|
| Belt power (max) | 65.19 hp (48.6 kW) |
| Description | Diesel 5-speed 2WDMay 10 - 19, 1954Link: Nebraska Tractor Test 518 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 57.37 hp (42.8 kW) |
| Max pull | 8,416 lbs (3817 kg) |
References
| Description | Farmall Letter Series Tractors by Lee Klancher / McCormick Super WD-9 Diesel Tractor published by International Harvester |
|---|
Super WD-9 Serial Number Location
| Description | Serial number plate on the right side of the Super WD-9 clutch housing. |
|---|
Super WD-9 Serial Numbers
| 1953 | 501 |
|---|---|
| 1954 | 1935 |
| 1955 | 5232 |
| 1956 | 6864 / 6866 (WDR-9) |
| Description | FAQ: How to read a serial number table. |
| Final | 7232 / 7242 (WDR-9) |
Variants
| Super WDR-9 | rice special |
|---|