J.I. Case 40-72

The J.I. Case 40-72 is a tractor produced by J I Case. It is equipped with a 1230 ci 20.2 L engine. The rated power output is 91.42 hp 68.2 kW. Transmission: J.I. Case. Operating weight: 21200 lbs 9616 kg.

Overview

	1921 - 1923 Crossmotor SeriesStandard-tread tractor
1921 - 1923
Crossmotor Series
Standard-tread tractor

Production
Manufacturer	J.I. Case
Standard-tread tractor
Built in Racine, Wisconsin, USA
Total built	41
Original price	$4,000

J.I. Case 40-72 Engine
J.I. Case 20.2L 4-cyl kerosene
Engine details ...

J.I. Case 40-72 Transmission
2-speed gear
Transmission details ...

J.I. Case 40-72 Power
Drawbar (claimed)	40 hp 29.8 kW
Belt (claimed)	72 hp 53.7 kW
Plows	8-10 (14-inch)
Drawbar (tested)	55.14 hp 41.1 kW
Belt (tested)	91.42 hp 68.2 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Open operator station.

Dimensions & Tires
Wheelbase	124 inches 314 cm
Weight	21200 lbs 9616 kg
Rear tire	72x20
Full dimensions and tires ...

Belt Pulley
Diameter	19.5 inches 49 cm
Width	10.5 inches 26 cm
RPM	750
Speed	3,827 ft/min 1166.47 meters/min

Engine

Engine Detail — 1230 ci / 20.2 L Kerosene

Manufacturer	J.I. Case
Fuel Type	Kerosene
Configuration	4-cylinder, liquid-cooled
Displacement	1230 ci 20.2 L
Bore/Stroke	7.00x8.00 inches 178 x 203 mm
Rated RPM	800
Starter type	hand-crank
Oil capacity	58 qts 54.9 L

Transmission

Transmission — J.I. Case

Transmission	J.I. Case
Type	gear
Gears	2 forward

Dimensions

J.I. Case 40-72 Tires
Ag rear	72x20 (steel)

Dimensions
Wheelbase	124 inches 314 cm
Length	200 inches 508 cm
Width	105 inches 266 cm
Height	110 inches 279 cm
Weight	21200 lbs 9616 kg
Ground clearance	16 inches 40 cm
Clearance (drawbar)	20 inches 50 cm

Tests

Nebraska Tractor Test 90
Kerosene 2-speed 2WD April 6 - 29, 1923 Link: Nebraska Tractor Test 90 file
Belt power (max)	91.42 hp 68.2 kW
Belt fuel use (max)	11.4 gal/hour 43.1 l/hour
Drawbar performance
Max power	55.14 hp 41.1 kW
Max pull	10,680 lbs 4844 kg