| Manufacturer | McCormick-Deering |
| Price | 1,900(USD) |
| Model | W-4 |
| Equipment Type | Standard-Tread Tractors |
| Factory | Rock Island, Illinois, USA |
NEBRASKA TRACTOR TEST 342 2
| Description | Distillate 5-speed 2WD May 9 - 25, 1940 Link: Nebraska Tractor Test 342 file Drawbar performance Gear 2 used for power test Gear 1 used for pull test |
| Belt power (max) | 23.11hp / 17.2kW |
| Belt fuel use (max) | 2.0gal/hour / 7.6l/hour |
| Max power | 21.38hp / 15.9kW |
| Max pull | 3,297lbs / 1495kg |
NEBRASKA TRACTOR TEST 353 2
| Description | Gasoline 5-speed 2WD September 16 - 20, 1940 Link: Nebraska Tractor Test 353 file Drawbar performance Gear 2 used for power test. Gear 1 used for pull test |
| Belt power (max) | 26.21hp / 19.5kW |
| Belt fuel use (max) | 2.3gal/hour / 8.7l/hour |
| Max power | 23.97hp / 17.9kW |
| Max pull | 3,671lbs / 1665kg |
MCCORMICK-DEERING W-4 POWER
| Drawbar (claimed) | 22.5hp / 16.8kW |
| Belt (claimed) | 24.9hp / 18.6kW |
| Drawbar (tested) | 23.97hp / 17.9kW |
| Belt (tested) | 26.21hp / 19.5kW |
ENGINES OVERVIEW
The McCormick-Deering W-4 tractor is equipped with a 2.5L 4-cylinder engine available in either distillate or gasoline variants, offering versatility in fuel usage which can reduce operational costs depending on local fuel availability. Its compact size and lightweight design make it suitable for smaller farms and gardens, providing enhanced maneuverability. However, the lower horsepower compared to modern tractors may limit its applications for heavier tasks, making it ideal for light to moderate field work.
| Description | International Harvester 2.5L 4-cyl distillate/International Harvester 2.5L 4-cyl gasoline |
ENGINE DETAIL 1
The McCormick-Deering W-4 features a 152.1 ci (2.5L) four-cylinder liquid-cooled engine with a low compression ratio of 4.75:1, optimizing fuel efficiency for distillate operation. Its rated RPM of 1650 ensures stable power output, suitable for various agricultural tasks, though lower idle RPMs may limit performance in high-demand scenarios. Maintenance-friendly components, such as the oil bath air cleaner and specific valve clearances, enhance longevity, but technicians should ensure proper adjustment for optimal engine performance.
| Description | International Harvester distillate 4-cylinderliquid-cooled vertical I-head |
| Displacement | 152.1ci / 2.5L |
| Bore/Stroke | 3.375x4.25inches / 86x 108 mm |
| Air cleaner | oil bath |
| Compression | 4.75:1 |
| Rated RPM | 1650 |
| Idle RPM | 400-1815 |
| Firing order | 1-2-4-3 |
| Starter volts | 6 |
| Coolant capacity | 18qts / 17.0L |
| Sparkplug gap | 0.023inches / 0.584 mm |
| Intake valve clearance | 0.017inches / 0.432 mm (hot) |
| Exhaust valve clearance | 0.017inches / 0.432 mm (hot) |
ENGINE OIL 1
The McCormick-Deering W-4 tractor has an oil capacity of 6 quarts (5.7 liters), which is critical for proper lubrication and performance of the engine. Ensure to regularly check and maintain the oil level to avoid potential wear or failure of engine components. Consider using high-quality oil that meets the specifications for vintage tractors to optimize engine longevity and efficiency.
| Oil capacity | 6 qts /5.7 L |
ENGINE DETAIL 2
The McCormick-Deering W-4 features a robust 4-cylinder gasoline engine with a displacement of 152.1 ci (2.5L), which provides moderate power at a rated RPM of 1650, suitable for light to medium agricultural tasks. Its oil bath air cleaner ensures effective filtration, while a low compression ratio of 5.9:1 aids in reliability and fuel efficiency, although it may limit power output compared to modern engines. Challenges include maintaining the 6-volt starter system and managing coolant capacity (18 qts), which may necessitate careful monitoring during extended use in varying conditions.
| Description | International Harvester/gasoline/4-cylinder/liquid-cooled vertical I-head |
| Displacement | 152.1ci / 2.5L |
| Bore/Stroke | 3.375x4.25inches / 86x 108 mm |
| Air cleaner | oil bath |
| Compression | 5.9:1 |
| Rated RPM | 1650 |
| Idle RPM | 400-1815 |
| Firing order | 1-2-4-3 |
| Starter volts | 6 |
| Coolant capacity | 18qts / 17.0L |
| Sparkplug gap | 0.023inches / 0.584 mm |
| Intake valve clearance | 0.017inches / 0.432 mm (hot) |
| Exhaust valve clearance | 0.017inches / 0.432 mm (hot) |
ENGINE OIL 2
The McCormick-Deering W-4 tractor has an oil capacity of 6 quarts (5.7 liters), which is relatively moderate, making it easier for routine oil changes and maintenance. Adequate oil capacity is crucial for engine longevity, providing sufficient lubrication and cooling for optimal performance. Users should monitor oil levels regularly to prevent engine wear and ensure efficient operation, particularly in demanding agricultural tasks.
| Oil capacity | 6 qts /5.7 L |
MCCORMICK-DEERING W-4 ENGINES
The McCormick-Deering W-4 tractor is powered by a 2.5L 4-cylinder engine available in both distillate and gasoline variants, making it versatile for different fuel types. It features a substantial 17.5-gallon fuel tank, allowing for extended operational time, although the small auxiliary fuel tank of 0.875 gallons may limit auxiliary uses. This tractor is ideal for moderate agricultural tasks, but its older design may pose challenges in availability of parts and fuel efficiency compared to modern tractors.
| Description | International Harvester 2.5L 4-cyl distillate/International Harvester 2.5L 4-cyl gasoline |
| Fuel tank | 17.5gal / 66.2L |
| Aux. fuel | 0.875gal / 3.3L |
TRANSMISSION
The McCormick-Deering W-4 features a sliding gear transmission with 5 forward and 1 reverse gear, providing straightforward operation for various agricultural tasks. The dry disc clutch offers simplicity but may require more effort in engagement compared to hydraulic systems, potentially affecting ease of use in demanding situations. With an oil capacity of 24 quarts (22.7L), proper lubrication can enhance longevity and reduce wear, essential for consistent performance in rugged environments.
| Type | sliding gear |
| Gears | 5 forward and 1 reverse |
| Clutch | dry disc |
| Oil capacity | 24qts / 22.7L |
SPEEDS
| Description | With 12-26 rear tires |
MECHANICAL
The McCormick-Deering W-4 tractor features a 4x2 2WD chassis, which provides simplicity and ease of maintenance but may be limited in traction on uneven terrain. Its manual steering offers direct control but may lead to operator fatigue over long periods. The 5-speed sliding gear transmission allows for versatile speed management, making it suitable for various agricultural applications, though the lack of an enclosed cab may expose operators to harsh weather conditions.
| Chassis | 4x2 2WD |
| Steering | manual |
| Brakes | differential mechanical external contracting band |
| Cab | Open operator station. |
| Transmission | 5-speed sliding gear |
POWER TAKE-OFF (PTO)
| Rear PTO | transmission |
| Rear RPM | 540 |
MCCORMICK-DEERING W-4 TIRES
The McCormick-Deering W-4 tractor features 22-inch front and 40-inch rear steel wheels, providing significant traction and durability for various agricultural tasks. The combination ensures stability on uneven terrain but may result in a rough ride over extended periods. Ideal for medium-scale farming operations, the tractor's size and build offer an excellent balance between power and maneuverability, although it may struggle in softer soil conditions compared to tractors with larger, ag-style tires.
| Ag front | 22-inch steel |
| Ag rear | 40-inch steel |
DIMENSIONS
| Wheelbase | 66.75inches / 169cm |
| Length | 114inches / 289cm |
| Width | 65.25inches / 165cm |
| Height (steering wheel) | 62.75inches / 159cm |
| Height (hood) | 51.9inches / 131cm |
| Shiping weight | 3050lbs / 1383kg |
| Clearance (front axle) | 15.125inches / 38cm |
| Front tread | 45.875inches / 116cm |
| Rear tread | 52inches / 132cm |
DIMENSIONS & TIRES
The McCormick-Deering W-4 tractor, with a wheelbase of 66.75 inches, offers excellent maneuverability, making it suitable for tasks in confined spaces. Weighing 3050 lbs, its stability on varied terrain is a pro, but the relatively low weight may affect traction under heavy loads. The tire specifications (front: 5.50-16, rear: 12-26) suggest good balance for agricultural applications, though the rear tire size may limit performance on soft or muddy ground.
| Wheelbase | 66.75inches / 169cm |
| Weight | 3050lbs / 1383kg |
| Front tire | 5.50-16 |
| Rear tire | 12-26 |
W-4 SERIAL NUMBERS
| Location | Left side of tractor, on clutch housing. |
| 1940 | WBH501 |
| 1941 | WBH943 |
| 1942 | WBH4056 |
| 1943 | WBH5693 |
| 1944 | WBH7593 |
| 1945 | WBH11171 |
| 1946 | WBH13934 |
| 1947 | WBH16022 |
| 1948 | WBH18880 |
| 1949 | WBH21912 |
| 1950 | WBH24470 |
| 1951 | WBH28167 |
| 1952 | WBH31214 |
| 1953 | WBH33067 |
BELT PULLEY
| Diameter | 9.75inches / 24cm |
| Width | 7.50inches / 19cm |
| RPM | 1019 |
| Speed | 2601ft/min / 792.78 meters/min |
ELECTRICAL
| Ground | positive |
| Charging system | generator |
| Charging amps | 11 |
| Battery volts | 6 |