Case

J.I. Case 10-20

The J.I. Case 10-20 was produced from 1915 to 1918 by J.I. Case in Racine, Wisconsin, USA. A total of 6,679 units were built. It featured a 5.6L 4-cylinder liquid-cooled inline distillate engine with a 1-speed gear transmission. The tractor had a unique drive system where the right-side rear wheel was driven and the left-side rear wheel could idle or be locked for two-wheel drive. It was rated for 10 hp drawbar power and 20 hp belt power (claimed), with tested drawbar power of 15.28 hp and belt power of 22.81 hp. The tractor weighed between 4900 and 5080 pounds and had steel rear tires sized 52x22 and 52x10. It had an open operator station and manual steering.

Power22 hp[B]

Founded1915 - 1918

Model10-20

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Technical Specifications

Detailed specifications and technical data for J.I. Case 10-20

Power

Plows	3 (14-inch)
Belt (tested)	22.81 hp (17.0 kW)
Belt (claimed)	20 hp (14.9 kW)
Drawbar (tested)	15.28 hp (11.4 kW)
Drawbar (claimed)	10 hp (7.5 kW)

Tires

Rear tire	52x22 (steel)
Additional tire	52x10 (steel)

Engine

Cooling	liquid-cooled inline
Cylinders	4-cylinder
Fuel tank	20 gal (75.7 L)
Fuel type	distillate
Rated RPM	900
Bore/Stroke	4.25x6.00 inches (108 x 152 mm)
Fuel system	carburetor
Displacement	340.5 ci (5.6 L)
Engine model	J.I. Case 5.6L 4-cyl distillate
Manufacturer	J.I. Case
Starter type	hand crank
Coolant capacity	40 qts (37.9 L)

Dimensions

Width	67 inches (170 cm)
Height	60 inches (152 cm)
Length	150 inches (381 cm)
Weight	4900 to 5080 pounds
Shipping weight	4900 lbs (2222 kg)
Operating weight	5080 lbs (2304 kg)

Mechanical

Drive	3x2 2WD
Steering	Manual steering
Final drives	bull gear
Operator station	Open operator station

Production

Built in	Racine, Wisconsin, USA
Total built	6,679
Manufacturer	J.I. Case
Drive details	The right-side rear wheel was driven. The left-side rear wheel could idle or it could be locked in to provide two-wheel drive.
Original price	$890 in 1916

Belt Pulley