Cletrac CG

Last Updated: July 2024

Overview

The Cletrac model CG tractor features a Hercules WXC3 6-cylinder gasoline (66-70 Octane) engine that is liquid-cooled. With a displacement of 383 cubic inches, the engine has a bore and stroke of 4.5 inches and a rated RPM of 1450. The transmission type is gear with three forward and one reverse gears. The tractor measures 127 inches in length, 67.25 inches in width, and 63.7 inches in height, and weighs 11700 lbs. The starter type is electric. Additional features include a Hercules centrifugal governor, Tillotson Y-7-B carburetor, American Bosch magneto, pressure lubrication system, Vortox oil-washed wire-filter air cleaner, 942.5 RPM belt pulley, specific valve dimensions, track details, dry multiple plate clutch, upholstered seat, observed maximum horsepower ratings, and advertised speeds.

Key Specifications

Transmission: Gear

Operating Weight: 11700

Fuel Type: Gasoline (66-70 Octane)

Image Gallery

Cletrac CG Tractor

Technical Specifications

Engine

Manufacturer: Hercules
Model: WXC3
Cooling Type: Liquid-cooled
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Gasoline (66-70 Octane)
Induction Type: -
Cylinders: 6
Displacement (ci): 383
Bore (in): 4.5
Stroke (in): 4.5
Rated RPM: 1450
Power Output (hp): -

Transmission

Type: Gear
Forward Gears: 3
Reverse Gears: 1
Total Gears: -

Dimensions

Length (in): 127
Width (in): 67.25
Height (in): 63.7
Operating Weight (lb): 11700

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: Electric
Brake Type: -
Hydraulic System Type: -

Test Results

Nebraska Tractor Test Laboratory - Test Date: June 16 to 24, 1936

Maximum Power and Fuel Consumption

Maximum Brake Horsepower: 51.15 HP at 1449 RPM
Fuel Consumption at Maximum Power: 0.814 lb/hp.hr (0.494 kg/kW.h)
Total Fuel Consumed: 6.782 gallons/hour (25.67 liters/hour)

Drawbar Performance

Power at Rated Engine Speed (Second Gear): 40.94 HP with a drawbar pull of 8587 lbs (38.21 kN) and a speed of 1.85 mph (2.98 km/h)
Fuel Consumption at Rated Speed: 1.17 lbs/hp.hr (0.712 kg/kW.h) with a fuel efficiency of 6.160 gal/hr (23.32 liters/hour)

Engine Performance

Engine Rated Power: 46.03 HP at 1448 RPM
Varying Load Fuel Consumption: At 45.96 HP, the fuel consumption is 0.794 lb/hp.hr (0.483 kg/kW.h)

Hydraulic Performance

Water Temperature at Maximum Load: 171°F (77°C)
Barometric Pressure: 28.84 inches of Mercury

Overall Efficiency

Observed Maximum Horsepower (Belt): 51.13 HP
Maximum Horsepower (Drawbar): 39.82 HP

Nebraska Tractor Test Lab.(1936).Test 258: Cletrac Model CG. Lincoln, NE: University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/861