| Manufacturer | McCormick-Deering |
| Price | - |
| Model | Super WD-6 |
| Equipment Type | - |
| Factory | Rock Island, Illinois, USA |
VARIANTS
| WD6-TA | Torque Amplifier transmission |
NEBRASKA TRACTOR TEST 478 2
| Description | Diesel 5-speed 2WD July 8 - 17, 1952 Link: Nebraska Tractor Test 478 file Drawbar performance Gear 3 used for power test. Gear 1 used for pull test |
| Belt power (max) | 46.84hp / 34.9kW |
| Belt fuel use (max) | 3.3gal/hour / 12.5l/hour |
| Max power | 38.15hp / 28.4kW |
| Max pull | 5857lbs / 2656kg |
MCCORMICK-DEERING SUPER WD-6 POWER
| Drawbar (claimed) | 33hp / 24.6kW |
| PTO (claimed) | 41hp / 30.6kW |
| Drawbar (tested) | 38.15hp / 28.4kW |
| Belt (tested) | 46.84hp / 34.9kW |
ENGINE DETAIL
The McCormick-Deering Super WD-6 features a robust 4-cylinder diesel engine with a notable 264ci displacement, indicating good torque output ideal for heavy-duty applications. With a compression ratio of 16.5:1 and a rated RPM of 1450, it provides efficient fuel combustion at lower speeds, making it suitable for plowing and hauling tasks. Its 28 quart coolant capacity ensures effective heat management, which is critical during prolonged operation, but operators should be aware of potential maintenance challenges for the liquid-cooling system.
| Description | International Harvester diesel 4-cylinder liquid-cooled |
| Displacement | 264ci / 4.3L |
| Bore/Stroke | 4.00x5.25inches / 102x 133 mm |
| Compression | 16.5:1 |
| Rated RPM | 1450 |
| Firing order | 1-3-4-2 |
| Starter volts | 12 |
| Coolant capacity | 28qts / 26.5L |
MCCORMICK-DEERING SUPER WD-6 ENGINE
The McCormick-Deering Super WD-6 features a robust International Harvester 4.3L 4-cylinder diesel engine, offering reliable torque for heavy-duty applications. With a fuel tank capacity of 20.5 gallons (77.6 liters), it provides substantial operating range, making it suitable for long days on the field or farm. However, its vintage design may present challenges in parts availability and maintenance compared to modern tractors.
| Description | International Harvester 4.3L 4-cyl diesel |
| Fuel tank | 20.5gal / 77.6L |
TRANSMISSIONS OVERVIEW
The McCormick-Deering Super WD-6 features a versatile 5-speed gear transmission combined with a 10-speed two-speed power shift, enhancing operational flexibility for various farming tasks. The transmission system allows for efficient power delivery and improved torque management, ideal for heavy-duty work like plowing or hauling. However, operators must familiarize themselves with the shifting intricacies to maximize performance and minimize wear on drivetrain components.
| Description | 5-speed gear 10-speed two-speed power shift |
TRANSMISSION 1
The McCormick-Deering Super WD-6 features a 5-speed forward and 1-speed reverse gear transmission, which allows for flexibility in speed management during various agricultural tasks. Its dry disc clutch provides a reliable engagement mechanism, ensuring smoother operation and maintenance simplicity but may require adaptation to different working conditions. While the gearing is suitable for general farming applications, the limited reverse gear may present challenges in maneuverability in tighter spaces.
| Type | gear |
| Gears | 5 forward and 1 reverse |
| Clutch | dry disc |
TRANSMISSION 2
The McCormick-Deering Super WD-6 tractor features a two-speed power shift transmission with the International Harvester Torque Amplifier, enhancing operational efficiency by providing ten forward and two reverse gears. This setup allows for seamless gear changes under load, optimizing torque delivery and facilitating smoother operation in diverse field conditions. Be aware that potential challenges include maintaining the complexity of the power shift system, which may require specialized service knowledge.
| Transmission | International Harvester Torque Amplifier |
| Type | two-speed power shift |
| Gears | 10 forward and 2 reverse |
| Description | The Torque Amplifier was available on the Super WD-6-TA in 1954 |
MECHANICAL
The McCormick-Deering Super WD-6, featuring a 4x2 2WD chassis, is ideal for flat terrain and light to moderate load tasks, but may struggle in adverse conditions due to limited traction. Its disc brakes provide reliable stopping power, enhancing safety during operation. The 5-speed gear transmission, coupled with a 10-speed two-speed power shift, offers flexibility in speed management, making it suitable for various agricultural applications while allowing for efficient power delivery.
| Chassis | 4x2 2WD |
| Brakes | disc |
| Cab | Open operator station. |
| Transmissions | 5-speed gear 10-speed two-speed power shift |
MCCORMICK-DEERING SUPER WD-6 TIRES
The McCormick-Deering Super WD-6 features a robust 6.00x16 front and 15.00x30 rear tire configuration, which enhances traction and stability, making it suitable for heavy-duty agricultural tasks. The larger rear tires improve ground engagement, essential for plowing and tilling in challenging terrains, though they may slightly limit maneuverability in tighter spaces. This tractor's design is optimal for farm operations requiring substantial power and traction, but operators should manage implement weight carefully to avoid overloading the rear axle.
| Ag front | 6.00x16 |
| Ag rear | 15.00x30 |
DIMENSIONS
| Length | 125inches / 317cm |
| Width | 70inches / 177cm |
| Height | 90inches / 228cm |
| Weight | 5,500lbs / 2494kg |
DIMENSIONS & TIRES
The McCormick-Deering Super WD-6, weighing 5,500 lbs, is equipped with a robust tire configuration that enhances traction and stability, particularly in agricultural applications. The front tires (6.00x16) provide maneuverability, while the larger rear tires (15.00x30) offer superior weight distribution for improved plowing and towing capabilities. However, the tractor's weight may challenge transportability on certain road conditions, necessitating adequate towing equipment for mobility.
| Weight | 5,500lbs / 2494kg |
| Front tire | 6.00x16 |
| Rear tire | 15.00x30 |
SUPER WD-6 SERIAL NUMBERS
| Location | Serial number on the left side of the Super WD-6, on the clutch housing. |
| 1952 | 501 |
| 1953 | 2277 |
| 1954 | 8997 |
| Final | 9084 |