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CO-OP E5

CO-OP E5 tractor
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The CO-OP E5 is a row-crop tractor built by CO-OP in Brantford, Ontario, Canada. It is essentially the same as the Cockshutt 50 model. Produced from the early 1950s to late 1950s, a total of 3,974 units were built. It was originally priced at $4,100 in 1957. The tractor features a Buda 4.5L 6-cylinder engine available in gasoline or diesel versions, a 6-speed unsynchronized gear transmission with 2 reverse speeds, and two-wheel drive with independent mechanical disc brakes. It has an open operator station and an independent rear PTO with a 540 rpm type. The tractor's wheelbase is 86.5 inches, length 132 inches, and height 79.5 inches. Operating weight ranges from 6,041 lbs (gasoline) to 6,163 lbs (diesel), with a ballasted weight of 11,119 lbs. It is capable of pulling 4-5 plows and has claimed drawbar power of 39 hp and belt power of 49 hp, with tested drawbar power of 51.59 hp and belt power of 55.56 hp.
CO-OP E5CO-OP tractorrow-crop tractorBuda engine6-cylinder tractorfarm tractor specificationsCockshutt 50 equivalent
Power54 hp[B]
Founded1953 - 1957
ModelE5

Technical Specifications

Detailed specifications and technical data for CO-OP E5

Power

Plows:4-5
Belt (tested):55.56 hp (41.4 kW)
Belt (claimed):49 hp (36.5 kW)
Drawbar (tested):51.59 hp (38.5 kW)
Drawbar (claimed):39 hp (29.1 kW)

Engine

Fuel tank:21 gal (79.5 L)
Rated RPM:1650
Bore/Stroke:3.75x4.125 inches (95 x 105 mm)
Buda diesel:6-cylinder, liquid-cooled vertical I-head
Compression:6.6:1
Displacement:273 ci (4.5 L)
Buda gasoline:6-cylinder, liquid-cooled vertical I-head
Engine options:Buda 4.5L 6-cyl gasoline, Buda 4.5L 6-cyl diesel
Rated RPM diesel:1650
Bore/Stroke diesel:3.75x4.125 inches (95 x 105 mm)
Compression diesel:14.3:1
Displacement diesel:273 ci (4.5 L)

Mechanical

Drive:Two-wheel drive
Brakes:Independent mechanical disc brakes
Operator station:Open operator station.

Production

Built in:Brantford, Ontario, Canada
Total built:3,974
Manufacturer:CO-OP
Original price:$4,100 (1957)

Transmission

Type:unsynchronized gear
Gears:6 forward and 2 reverse
Clutch:dry disc

Serial Numbers

1953:101
1954:1750
1955:10001
1956:20001
1957:30001
1958:40001
Final:40257
Location:Serial number stamped into the top of the Cockshutt 50 tractor frame on the left side.

Dimensions & Tires

Height:79.5 inches (201 cm)
Length:132 inches (335 cm)
Rear tire:14.00x34
Wheelbase:86.5 inches (219 cm)
Front tire:7.50x16
Weight ballasted:11,119 lbs (5043 kg)
Weight operating gas:6,041 lbs (2740 kg)
Weight operating diesel:6,163 lbs (2795 kg)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540