J.I. Case 12-20

The J.I. Case 12-20 is a tractor produced by J I Case. It is equipped with a 267.3 ci 4.4 L engine. The rated power output is 25.54 hp 19.0 kW. Transmission: J.I. Case. Operating weight: 4,232 lbs 1919 kg.

Overview

	1921 - 1924 Crossmotor SeriesStandard-tread tractor
1921 - 1924
Crossmotor Series
Standard-tread tractor

Production
Manufacturer	J.I. Case
Standard-tread tractor
Built in Racine, Wisconsin, USA

J.I. Case 12-20 Engine
J.I. Case 4.4L 4-cyl kerosene
Engine details ...

J.I. Case 12-20 Transmission
2-speed gear
Transmission details ...

J.I. Case 12-20 Power
Drawbar (claimed)	12 hp 8.9 kW
Belt (claimed)	20 hp 14.9 kW
Plows	2
Drawbar (tested)	17.52 hp 13.1 kW
Belt (tested)	25.54 hp 19.0 kW
Performance test details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Dimensions & Tires
Wheelbase	63 inches 160 cm
Weight	4,232 lbs 1919 kg
Rear tire	42x12
Full dimensions and tires ...

Belt Pulley
Diameter	14.5 inches 36 cm
Width	6.375 inches 16 cm
RPM	1050

References
Instructions on Operation and Care of the CASE 12-20 Tractor published in 1922

Engine

Engine Detail — 267.3 ci / 4.4 L Kerosene

Manufacturer	J.I. Case
Fuel Type	Kerosene
Configuration	4-cylinder, liquid-cooled
Displacement	267.3 ci 4.4 L
Bore/Stroke	4.125x5.00 inches 105 x 127 mm
Rated RPM	1050
Starter type	hand-crank

Transmission

Transmission — J.I. Case

Transmission	J.I. Case
Type	gear
Gears	2 forward and 1 reverse

Dimensions

J.I. Case 12-20 Tires
Ag rear	42x12 steel

Dimensions
Wheelbase	63 inches 160 cm
Length	109 inches 276 cm
Width	58 inches 147 cm
Height	55.5 inches 140 cm
Weight	4,232 lbs 1919 kg

Tests

Nebraska Tractor Test 91
Kerosene 2-speed 2WD April 6 - 17, 1923 Link: Nebraska Tractor Test 91 file
Belt power (max)	25.54 hp 19.0 kW
Belt fuel use (max)	3.6 gal/hour 13.6 l/hour
Drawbar performance
Max power	17.52 hp 13.1 kW
Max pull	3,150 lbs 1428 kg