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Years in Production / 1936–1946

CO-OP

2

Explore the specifications, hardware, and original references for the CO-OP 2.

Generic tractor; no model photo available
No photo

35hp

Engine estimate · from PTO

2WD Only

Drive

1936–1946

Production years

CO-OP

Manufacturer

2 / 01

At a glance

Production

Row-Crop tractor

Built in Battle Creek, Michigan, USA

Distributor
CO-OP
Manufacturer
Duplex Machinery

Mechanical

Two-wheel drive

Open operator station.

2 / 02

Under the hood

Engine Detail

Chrysler

gasoline

6-cylinder

liquid-cooled

Displacement
201.3 ci3.3 L
Bore Stroke
3.125x4.375 inches79 x 111 mm
Rated Rpm
1500
Coolant Capacity
18 qts17.0 L
Fuel Type
gasoline
Cylinders
6
Cooling
liquid-cooled

Engine Options

Chrysler 3.3L 6-cyl gasoline

Fuel Tank
22 gal83.3 L

2 / 03

Gears & controls

Transmission

Transmission Type
unsynchronized gear
Gears
5 forward and 1 reverse

2 / 04

Size. Stance. Footprint.

Dimensions

Length
124.75 in316 cm
Width
76.5 in194 cm
Height
57.5 in146 cm

Dimensions And Tires

Weight
5,000 lbs2268 kg
Front Tire
6.00-16
Rear Tire
11.25-28

Tires And Tracks

Front Ag
6.00-16
Rear Ag
11.25-28

2 / 05

Tests (NTTL)

Nebraska Tractor Test 275

Gasoline 5-speed 2WDOctober 22 - November 10, 1936

PTO performance

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
275
Belt Power Max
33.17 hp24.7 kW
Belt Fuel Use Max
3.5 gal/hour13.2 l/hour
Power At Rated Engine Speed
31.66 hp23.6 kW
Fuel Use
2.9 gal/hour11.0 l/hour
Max Power
29.67 hp22.1 kW
Max Pull
1,980 lbs898 kg