J.I. Case R

The J.I. Case R is a tractor produced by J I Case. It is equipped with a 132.7 ci 2.2 L engine. The rated power output is 20.52 hp 15.3 kW. Transmission: 4 forward and 1 reverse. Operating weight: 4150 lbs 1882 kg.

Overview

	1936 - 1940 Standard-tread tractor
1936 - 1940
Standard-tread tractor

Production
Manufacturer	J.I. Case
Standard-tread tractor
Original price	$892

Variants
R	standard tread
RC	row-crop
RO	orchard

J.I. Case R Engine
Waukesha 2.2L 4-cyl gasoline
Engine details ...

J.I. Case R Power
Drawbar (claimed)	14 hp 10.4 kW
PTO (claimed)	18 hp 13.4 kW
Plows	2
Drawbar (tested)	18.23 hp 13.6 kW
Belt (tested)	20.52 hp 15.3 kW
Performance test details ...

Mechanical
Two-wheel drive
Open operator station.

Power Take-off (PTO)
Rear PTO Type	540 (1.125)

Dimensions & Tires
Weight	4150 lbs 1882 kg
Front tire	5.00-15
Rear tire	9.00-24
Full dimensions and tires ...

Belt Pulley
Diameter	10.1 inches 25 cm
Width	6.25 inches 15 cm
RPM	991
Speed	2600 ft/min 792.48 meters/min

References
RC and R Tractors published in 1938, by J.I. Case

Engine

Engine Detail — 132.7 ci / 2.2 L Gasoline

Manufacturer	Waukesha
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	132.7 ci 2.2 L
Bore/Stroke	3.25x4.00 inches 83 x 102 mm
Air cleaner	oil bath
Rated RPM	1425
Coolant capacity	18 qts 17.0 L

Transmission

Transmission options
3-speed gear
4-speed gear

Transmission — 3 forward and 1 reverse gear

Type	gear
Gears	3 forward and 1 reverse

Transmission — 4 forward and 1 reverse gear

Type	gear
Gears	4 forward and 1 reverse
Clutch	mechanical wet disc

Dimensions

J.I. Case R Tires
Ag front	5.00-15
Ag rear	9.00-24

Dimensions
Weight	4150 lbs 1882 kg

Tests

Nebraska Tractor Test 308
Gasoline 3-speed 2WD October 10 - 20, 1938 Link: Nebraska Tractor Test 308 file
Belt power (max)	20.52 hp 15.3 kW
Belt fuel use (max)	2.2 gal/hour 8.3 l/hour
Drawbar performance
Max power	18.23 hp 13.6 kW
Gear 2 used for power test.