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Years in Production / 1912–1919

J.I. Case

20-40

Explore the specifications, hardware, and original references for the J.I. Case 20-40.

Generic tractor; no model photo available
No photo

44hp

Engine estimate · from belt

2WD Only

Drive

1912–1919

Production years

J.I. Case

Manufacturer

20-40 / 01

At a glance

Production

Standard-tread tractor

Built in Racine, Wisconsin, USA

Manufacturer
J.I. Case
Total Built
4,465
Original Price
$2,100 (1916)

Mechanical

Two-wheel drive

Open operator station. Optional four-post steel cab.

Steering
manual

Belt Pulley

Diameter
24 inches60 cm
Width
8.5 inches21 cm

20-40 / 02

Under the hood

Engine Detail (Option 1)

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 ci12.4 L
Bore Stroke
7.75x8.00 inches197 x 203 mm
Rated Rpm
450
Starter Type
hand-crank
Fuel Type
kerosene
Cylinders
2
Cooling
liquid-cooled opposed-twin

Engine Detail (Option 2)

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 ci14.8 L
Bore Stroke
8.00x9.00 inches203 x 229 mm
Rated Rpm
475
Starter Type
hand-crank
Coolant Capacity
112 qts106.0 L
Fuel Type
kerosene
Cylinders
2
Cooling
liquid-cooled opposed-twin

Engine Detail (Option 3)

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 ci17.7 L
Bore Stroke
8.75x9.00 inches222 x 229 mm
Rated Rpm
475
Starter Type
hand-crank
Fuel Type
kerosene
Cylinders
2
Cooling
liquid-cooled

Engine Options

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 gal159.0 L

20-40 / 03

Gears & controls

Transmission

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

20-40 / 04

Size. Stance. Footprint.

Dimensions

Length
177 in449 cm
Width
100 in254 cm
Height
107 in271 cm

Dimensions And Tires

Weight
13,900 lbs6305 kg
Front Tire
38x8
Rear Tire
66x20

Tires And Tracks

Front Ag
38x8 steel
Rear Ag
66x20 steel

See it in action

Videos

Watch J.I. Case 20-40 videos from their original YouTube creators.

20-40 / 06

Tests (NTTL)

Nebraska Tractor Test 7

1082ci kerosene 2-speed 2WDApril 10 - May 7, 1920

Drawbar performance

Id
7
Belt Power Max
42.80 hp31.9 kW
Belt Fuel Use Max
7.7 gal/hour29.1 l/hour
Max Power
24.66 hp18.4 kW
Max Pull
5,537 lbs2511 kg