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CO-OP 3 Specs ( 1936-1950 )

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Production

Description Standard-tread tractor
Distributor CO-OP
Factories Battle Creek, Michigan, USA
Manufacturer Duplex Machinery

Engine

Engine type Chrysler 4.0L 6-cyl gasoline
Fuel tank 28 gal (106.0 L)
Bore/Stroke 3.375x4.50 inches (86 x 114 mm)
Coolant capacity 20 qts (18.9 L)
Description Chrysler / gasoline / 6-cylinder / liquid-cooled
Displacement 241.5 ci (4.0 L)
Fuel system Zenith carburetor
Rated RPM 1600
Belt (tested) 42.29 hp (31.5 kW)
Drawbar (claimed) 28 hp (20.9 kW)
Drawbar (tested) 37.50 hp (28.0 kW)
Plows 3 *14-inch
PTO (claimed) 37 hp (27.6 kW)

Transmission

Clutch dry disc
Gears 5 forward and 1 reverse
Transmission type 5-speed gear
Type gear

Mechanical

Cab Open operator station
Drive type Two-wheel drive
Steering manual

Dimensions & Tires

Ag front 7.50-16
Ag rear 12.75-28
Height 62 inches (157 cm)
Length 132.25 inches (335 cm)
Shipping weight 4450 lbs (2018 kg)
Width 75.6 inches (192 cm)
Front tire 7.50-16
Rear tire 12.75-28
Weight 4450 lbs (2018 kg)

3 Serial Number Location

Description Left side of dashboard

Nebraska Tractor Test 274

Belt power (max) 42.29 hp (31.5 kW)
Description Gasoline 5-speed 2WDOctober 22 - November 5, 1936Link: Nebraska Tractor Test 274 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test.
Max power 37.50 hp (28.0 kW)
Max pull 2,679 lbs (1215 kg)