Cockshutt 20

Last Updated: July 2024

Overview

The Cockshutt 20 is a versatile tractor powered by Continental's 4-cylinder gasoline engine. Two different engine displacement models were used - one displaces 124 cubic inches, while the other is slightly bigger at 140 cubic inches. Both engines are ribbed by a gear transmission system with 4 forward and 1 reverse gear. This tractor model is characterized by a rated RPM of 1800. The machine operates with a 6 volts electric starter system. It has an operating weight of 2820 pounds.

Key Specifications

Transmission: Gear

Operating Weight: 2820 lbs

Fuel Type: Gasoline

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Cockshutt 20 Tractor

Technical Specifications

Engine

Manufacturer: Continental
Model: Either 2.0L 4-cyl gasoline or 2.3L 4-cyl gasoline
Cooling Type: Liquid-cooling
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Gasoline
Induction Type: -
Cylinders: 4
Displacement (ci): Either 124 ci or 140 ci
Bore (in): 3.1875 inches
Stroke (in): 4.375 inches
Rated RPM: 1800
Power Output (hp): -

Transmission

Type: Gear
Forward Gears: 4
Reverse Gears: 1
Total Gears: -

Dimensions

Length (in): -
Width (in): -
Height (in): -
Operating Weight (lb): 2820 lbs

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): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: -
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: 6 Volts Electric Starter
Brake Type: -
Hydraulic System Type: -

Test Results

Nebraska Tractor Test Laboratory - Test Date: June 16 to June 24, 1952

Maximum Power and Fuel Consumption

Maximum Belt Horsepower (Observed): 28.94 HP at 1800 rpm
Fuel Consumption at Maximum Power: 2.886 Gal/hr with a fuel efficiency of 10.03 Hp-hr/gal and a consumption rate of 0.605 lb/hp-hr

Drawbar Performance

Maximum Drawbar Horsepower (Observed): 25.47 HP with a drawbar pull of 1866 lbs and a speed of 5.12 mph
Rated Drawbar Horsepower (10 Hours Test): 20.24 HP with a drawbar pull of 1459 lbs and a speed of 5.20 mph

Fuel Efficiency

Fuel Efficiency at Rated Load: 10.46 Hp-hr/gal with a consumption rate of 0.580 lb/hp-hr

Torque and Engine Performance

Maximum Torque at Dynamometer: 185.1 lb-ft at 996 rpm
Torque Range: 175.4 lb-ft at 1801 rpm to 185.1 lb-ft at 996 rpm

Tire, Wheels, and Weight

Rear Tires (Test F, G, & H): Two 11-24, 4-ply, air pressure 12 lb, each with 279 lb liquid ballast and 560 lb added cast iron
Front Tires (Test F, G, & H): Two 5.00-15, 4-ply, air pressure 28 lb, each with 135 lb added cast iron
Total Weight (Test F, G, & H): 4761 lb with operator

Nebraska Tractor Test Lab. (1952). Test 474: Cockshutt 20*, Nebraska Tractor Tests. 591. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/591