Introduction
McCormick-Deering Super WD-9 Standard-Tread Tractor
The McCormick-Deering Super WD-9 is a standard-tread agricultural tractor manufactured by International Harvester between 1953 and 1956. Produced in Melrose Park, Illinois, this model belongs to the series including the Super WD-6 and WD-9, representing a significant iteration in mid-century heavy-duty farm machinery.
Engine and Performance
The tractor is powered by a 4-cylinder, liquid-cooled vertical I-head diesel engine with a displacement of 349.9 cubic inches (5.7 liters). It operates at a rated speed of 1500 RPM with a compression ratio of 15.6:1. The engine bore and stroke measure 4.50 by 5.50 inches (114 x 140 mm). It utilizes a gasoline-start system with a 12-volt starter to facilitate ignition of the diesel fuel.
Transmission and Drivetrain
Power is delivered through a gear-type transmission providing 5 forward speeds and 1 reverse gear. The drivetrain features a dry disc clutch and is configured as a two-wheel-drive system. Steering is manually operated, and the tractor is equipped with mechanical disc brakes to ensure control during operation.
Dimensions and Capacity
The Super WD-9 has a wheelbase of 83.4 inches (211 cm) and an overall length of 140 inches (355 cm). The machine weighs 7,300 lbs (3,311 kg) in its base configuration, with the capability to reach a ballasted weight of 12,790 lbs (5,801 kg) for increased traction. It is fitted with 7.50x18 front tires and 18.00x26 rear tires, providing stability with a rear tread width of 66.5 inches.
Operational Features
Designed for field utility, the tractor includes a rear power take-off (PTO) operating at 540 RPM. The operator station is of the open type. Cooling system capacity is rated at 36 quarts (34.1 liters), ensuring thermal management during sustained agricultural labor.
Conclusion
With 10,938 units produced, the McCormick-Deering Super WD-9 is recognized for its robust construction and substantial tractive power, making it well-suited for heavy field operations characteristic of its era.
Production Information of McCormick-Deering, Super WD-9
- Standard-tread tractor
- Built in Melrose Park, Illinois, USA
| Manufacturer | McCormick-Deering (a part of International Harvester) |
|---|---|
| Total built | 10,938 |
Dimension and Tires Information of McCormick-Deering, Super WD-9
| Front tread | 52 inches [132 cm] |
|---|---|
| Wheelbase | 83.4 inches [211 cm] |
| Weight | 7,300 lbs [3311 kg] |
| Height | 83 inches [210 cm] |
| Length | 140 inches [355 cm] |
| Rear tread | 66.5 inches [168 cm] |
| Ballasted weight | 12,790 lbs [5801 kg] |
| Width | 81 inches [205 cm] |
| Ag front | 7.50x18 |
|---|---|
| Ag rear | 18.00x26 |
Engine Specifications of McCormick-Deering, Super WD-9
- Liquid-cooled vertical I-head
- Diesel
- 4-cylinder
| Coolant capacity | 36 qts [34.1 L] |
|---|---|
| Displacement | 349.9 ci [5.7 L] |
| Rated RPM | 1500 |
| Bore/Stroke | 4.50x5.50 inches [114 x 140 mm] |
| Starter volts | 12 |
| Starter | Gasoline-start |
| Compression | 15.6:1 |
Transmission Information of McCormick-Deering, Super WD-9
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
| Clutch | Dry disc |
Mechanical Specs of McCormick-Deering, Super WD-9
- Two-wheel drive
- Open operator station.
- Mechanical disc brakes
| Steering | Manual |
|---|
Power Information of McCormick-Deering, Super WD-9
| Rear PTO Type | 540 |
|---|
Where it sits
With 72 hp[B] HP, the McCormick-Deering Super WD-9 sits just above WD-9 (46 HP) in McCormick-Deering's range. Its power puts it in the 93th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the McCormick-Deering Super WD-9 have?
The McCormick-Deering Super WD-9 delivers 72 hp[B] HP.
What years was the McCormick-Deering Super WD-9 produced?
The McCormick-Deering Super WD-9 was produced in 1953-1956.
What engine does the McCormick-Deering Super WD-9 have?
The McCormick-Deering Super WD-9 is powered by a Diesel, 4-cylinder engine.
What transmission does the McCormick-Deering Super WD-9 use?
The McCormick-Deering Super WD-9 uses a Gear transmission.
How much does the McCormick-Deering Super WD-9 weigh?
The McCormick-Deering Super WD-9 weighs 7,300 lbs [3311 kg].
Is the McCormick-Deering Super WD-9 4WD?
The McCormick-Deering Super WD-9 is available in 2WD.