Cletrac W 12-20
The Cletrac W 12-20 is a tractor produced by Cletrac. It is equipped with a 276.5 ci 4.5 L engine. Transmission: 1 forward and reverse. Drive type: crawler. Operating weight: 3455 lbs 1567 kg.
Drive & Traction
crawler
Fuel & Capacities
Kerosene
Transmission
1 forward and reverse
Operating Weight
3455 lbs
1567 kg
Overview
 | 1919 - 1932
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Cletrac |
Agricultural Crawler tractor | |
Built in Cleveland, Ohio, USA | |
Cletrac W 12-20 Engine | |
|---|---|
Cletrac 4.5L 4-cyl kerosene | |
Engine details ...  |
Cletrac W 12-20 Transmission | |
|---|---|
1-speed gear | |
Transmission details ...  |
Cletrac W 12-20 Power | |
|---|---|
Drawbar (claimed) | 12 hp
8.9 kW |
Belt (claimed) | 20 hp
14.9 kW |
Plows | 3 (12-inch) |
Drawbar (tested) | 15.52 hp
11.6 kW |
Belt (tested) | 24.94 hp
18.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 3455 lbs
1567 kg |
8-inch tracks | |
Full dimensions and tracks ...  | |
Belt Pulley | |
|---|---|
Diameter | 8 inches
20 cm |
Width | 6 inches
15 cm |
RPM | 1265 |
Speed | 2500 ft/min
762.00 meters/min |
Engine
Engine Detail — 276.5 ci / 4.5 L Kerosene
Manufacturer | Cletrac |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 276.5 ci
4.5 L |
Bore/Stroke | 4.00x5.50 inches
102 x 140 mm |
Fuel system | Kingston carburetor |
Rated RPM | 1265 |
Transmission
Transmission — 1 forward and reverse gear
Type | gear |
Gears | 1 forward and reverse |
Dimensions
Cletrac W 12-20 Tracks | |
|---|---|
Width | 8 inches
20 cm |
Dimensions | |
|---|---|
Length | 96 inches
243 cm |
Width | 50 inches
127 cm |
Height | 52 inches
132 cm |
Weight | 3455 lbs
1567 kg |
Tests
Nebraska Tractor Test 45 | |
|---|---|
Kerosene crawler crawler
July 29 - August 9, 1920
Link: Nebraska Tractor Test 45 file | |
Belt power (max) | 24.94 hp
18.6 kW |
Belt fuel use (max) | 2.9 gal/hour
11.0 l/hour |
Drawbar performance | |
Max power | 15.52 hp
11.6 kW |
Gear 1 used for power test. | |
Max pull | 1734 lbs
786 kg |
Gear 1 used for pull test. | |
Photos
Cletrac W 12-20
Cletrac W 12-20
Cletrac W operator station and controls.
Cletrac W.
Cletrac W.
Cletrac W.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Cletrac W 12-20.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Cletrac W 12-20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Cletrac W 12-20.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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