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Years in Production / 1936–1950
CO-OP
3
Explore the specifications, hardware, and original references for the CO-OP 3.
No photo
41hp
Engine estimate · from PTO
2WD Only
Drive
1936–1950
Production years
CO-OP
Manufacturer
3 / 01
At a glance
Production
Standard-tread tractor
- Distributor
- CO-OP
- Manufacturer
- Duplex Machinery
- Factories
- Battle Creek, Michigan, USA
- Factories
- South Saint Paul, Minnesota, USA
- Factories
- Arthurdale, West Virginia, USA
Mechanical
Two-wheel drive
Open operator station
- Steering
- manual
3 / 02
Under the hood
Engine Detail
Chrysler
gasoline
6-cylinder
liquid-cooled
- Displacement
- 241.5 ci4.0 L
- Bore Stroke
- 3.375x4.50 inches86 x 114 mm
- Fuel System
- Zenith carburetor
- Rated Rpm
- 1600
- Coolant Capacity
- 20 qts18.9 L
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
Chrysler 4.0L 6-cyl gasoline
- Fuel Tank
- 28 gal106.0 L
3 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 5 forward and 1 reverse
- Clutch
- dry disc
3 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 4450 lbs2018 kg
- Front Tire
- 7.50-16
- Rear Tire
- 12.75-28
Tires And Tracks
- Front Ag
- 7.50-16
- Rear Ag
- 12.75-28
3 / 05
Tests (NTTL)
Nebraska Tractor Test 274
Gasoline 5-speed 2WDOctober 22 - November 5, 1936
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 274
- Belt Power Max
- 42.29 hp31.5 kW
- Max Power
- 37.50 hp28.0 kW
- Max Pull
- 2,679 lbs1215 kg