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Years in Production / 1939–1941

CO-OP

G

Explore the specifications, hardware, and original references for the CO-OP G.

Generic tractor; no model photo available
No photo

20hp

Engine estimate · from belt

2WD Only

Drive

1939–1941

Production years

CO-OP

Manufacturer

G / 01

At a glance

Production

Row-Crop tractor

Built in Cleveland, Ohio, USA

Distributor
CO-OP
Manufacturer
Cletrac
Total Built
7,527

Pto

Mid Pto Type
560

Belt Pulley

Diameter
9.5 inches24 cm
Width
5.5 inches13 cm
Rpm
1065
Speed
2825 ft/min861.06 meters/min

Mechanical

Two-wheel drive

Manual steering

Open operator station.

G / 02

Under the hood

Engine Detail

Hercules IXA3

gasoline

4-cylinder

liquid-cooled

Displacement
113.12 ci1.9 L
Bore Stroke
3.00x4.00 inches76 x 102 mm
Air Cleaner
oil bath
Compression Ratio
5.75:1
Rated Rpm
1400 (drawbar)
Rated Rpm
1700 (belt)
Starter Type
manual start
Oil Capacity
5 qts4.7 L
Coolant Capacity
12 qts11.4 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Engine Options

Hercules 1.9L 4-cyl gasoline

Fuel Tank
12 gal45.4 L

G / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
3 forward and 1 reverse
Clutch
9-inch dry plate
Oil Capacity
10 qts9.5 L

G / 04

Size. Stance. Footprint.

Dimensions

Length
118 in299 cm
Height
55 in139 cm
Wheelbase
80 in203 cm

Dimensions And Tires

Wheelbase
80 inches203 cm
Weight
2105 lbs954 kg
Front Tire
5.50-16
Rear Tire
9-24

Tires And Tracks

Front Ag
5.50-16
Rear Ag
9-24

G / 05

Tests (NTTL)

Nebraska Tractor Test 323

Gasoline 3-speed 2WDAugust 10 - 30, 1939

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
323
Belt Power Max
19.29 hp14.4 kW
Max Power
14.26 hp10.6 kW
Max Pull
1699 lbs770 kg