McCormick-Deering W-4

Last Updated: July 2024

Overview

The McCormick-Deering W-4 is a vintage tractor that comes equipped with a 2.5L 4-cylinder gasoline or distillate engine made by International Harvester. The tractor possesses a robust sliding gear transmission with 5 forward gears and 1 reverse gear. The engine has a displacement of 152.1 cubic inches, a bore of 3.375 inches, and a stroke of 4.25 inches, and it operates at 1650 rated RPM. The W-4 was designed to handle a variety of agricultural tasks and is a product of historical significance, as it represents the technological advancements of its time. Its operating weight stands at 3050 lbs, ensuring stability during operation. While exact details like fuel type and steering system might be deduced from the era and manufacturer, other specific features such as the hitch type and hydraulic system remain unverified without additional data.

Key Specifications

Transmission: Sliding Gear

Operating Weight: 3050

Fuel Type: Gasoline/Distillate

Image Gallery

McCormick-Deering W-4 Tractor

Technical Specifications

Engine

Manufacturer: International Harvester
Model: -
Cooling Type: -
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Gasoline/Distillate
Induction Type: Naturally Aspirated
Cylinders: 4
Displacement (ci): 152.1
Bore (in): 3.375
Stroke (in): 4.25
Rated RPM: 1650
Power Output (hp): -

Transmission

Type: Sliding Gear
Forward Gears: 5
Reverse Gears: 1
Total Gears: -

Dimensions

Length (in): 114
Width (in): 65.25
Height (in): 62.75 (steering wheel), 51.9 (hood)
Operating Weight (lb): 3050

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: -
Drive Type: -
Steering Type: -
Coolant Capacity (qts): 18
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): 22/40
Tire Type: -
Manufacture - End Year: -
Hitch Type: -
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: Electric Starter (6 volts system)
Brake Type: -
Hydraulic System Type: -

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 9 to May 25, 1940

Belt Horsepower Tests

Test B: 100% Maximum Load (2 hours): 23.11 HP at 1651 RPM, with a fuel consumption rate of 1.600 Gal/hr.
Test C: Operating Maximum Load (1 hour): 22.16 HP at 1631 RPM, with a fuel consumption rate of 1.603 Gal/hr.
Test D: Maximum Belt Horsepower: 23.18 HP at 1652 RPM, with a fuel consumption rate of 1.631 Gal/hr.

Drawbar Horsepower Tests

Test F: 100% Maximum Load (Second Gear): 21.31 HP at a speed of 3.23 MPH, with a pull of 2573 lbs.

Fuel, Oil, and Time

Fuel Used: Distillate
Oil Used: S.A.E. No. 20
Total Time Motor Operated: 58 hours

Brief Specifications

Advertised Speeds (miles per hour):
First: 2.31 MPH
Second: 3.14 MPH
Third: 4.31 MPH
Fourth: 5.75 MPH
Total Tractor Weight: 4500 lbs with operator
Tire Size: Rear: 12.75 x 24, Front: 6.00 x 16

Overall Efficiency

Observed Maximum Horsepower: 23.11 HP during belt horsepower test
Calculated Sea Level Maximum Horsepower: 24.87 HP (based on 60°F and 29.92" Hg)

Nebraska Tractor Test Lab. (1940). Test 342: McCormick-Deering Model W-4. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/931