Case 20-40 Tractor (1912-1919)
Manufacturer:Case
Price:2,100(USD)
Series:
Model:20-40
Equipment Type: Standard-Tread Tractors
Factory:Racine, Wisconsin, USA
Full Specifications
NEBRASKA TRACTOR TEST 7
- Description
- 1082ci kerosene 2-speed 2WD/April 10 - May 7, 1920/Link: Nebraska Tractor Test 7 file/Drawbar performance
- Belt power (max)
- 42.80 hp/31.9 kW
- Belt fuel use (max)
- 7.7 gal/hour/29.1 l/hour
- Max power
- 24.66 hp/18.4 kW
- Max pull
- 5,537 lbs/2511 kg
J.I. CASE 20-40 POWER
- Drawbar (claimed)
- 20 hp/14.9 kW
- Belt (claimed)
- 40 hp/29.8 kW
- Drawbar (tested)
- 24.66 hp/18.4 kW
- Belt (tested)
- 42.80 hp/31.9 kW
ENGINES OVERVIEW
- Description
- J.I. Case 12.4L 2-cyl kerosene/J.I. Case 14.8L 2-cyl kerosene/J.I. Case 17.7L 2-cyl kerosene
ENGINE DETAIL 1
- Description
- J.I. Case/kerosene/2-cylinder/liquid-cooled opposed-twin/The original engine, was used on the first model 40 tractors produced in 1912.
- Displacement
- 755 ci/12.4 L
- Bore/Stroke
- 7.75x8.00 inches/197 x 203 mm
- Rated RPM
- 450
- Starter type
- hand-crank
ENGINE DETAIL 2
- Description
- J.I. Case/kerosene/2-cylinder/liquid-cooled opposed-twin/The 8-inch bore engine replaced the original engine early in production, at the end of 1912.
- Displacement
- 904 ci/14.8 L
- Bore/Stroke
- 8.00x9.00 inches/203 x 229 mm
- Rated RPM
- 475
- Starter type
- hand-crank
- Coolant capacity
- 112 qts/106.0 L
ENGINE DETAIL 3
- Description
- J.I. Case/kerosene/2-cylinder/liquid-cooled/The final, 8.75-inch bore, engine replaced the 8-inch around 1916. Case did not re-rate the horsepower of the tractor, despite a 20% increase in displacement.
- Displacement
- 1082 ci/17.7 L
- Bore/Stroke
- 8.75x9.00 inches/222 x 229 mm
- Rated RPM
- 475
- Starter type
- hand-crank
J.I. CASE 20-40 ENGINES
- Description
- J.I. Case 12.4L 2-cyl kerosene/J.I. Case 14.8L 2-cyl kerosene/J.I. Case 17.7L 2-cyl kerosene
- Fuel tank
- 42 gal/159.0 L
TRANSMISSION
- Transmission
- J.I. Case
- Type
- gear
- Gears
- 2 forward and 1 reverse
SPEEDS
- Description
MECHANICAL
- Chassis
- 4x2 2WD
- Steering
- manual
- Cab
- Open operator station. Optional four-post steel cab.
- Transmission
- 2-speed gear
J.I. CASE 20-40 TIRES
- Ag front
- 38x8 steel
- Ag rear
- 66x20 steel
DIMENSIONS
- Length
- 177 inches/449 cm
- Width
- 100 inches/254 cm
- Height
- 107 inches/271 cm
- Operating weight
- 13,900 lbs/6305 kg
- Rear axle
- 3.94 inch diameter/100 mm
DIMENSIONS & TIRES
- Weight
- 13,900 lbs/6305 kg
- Front tire
- 38x8
- Rear tire
- 66x20
20-40 SERIAL NUMBERS
- Location
- Serial number plate on left side of tractor frame, above the front axle.
BELT PULLEY
- Diameter
- 24 inches/60 cm
- Width
- 8.5 inches/21 cm
Standard-Tread Tractors
