CO-OP

CO-OP E5

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.
Power54 hp[B]
Founded1953 - 1957
ModelE5

Technical Specifications

Detailed specifications and technical data for CO-OP E5

Power
Plows4-5
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 tank21 gal (79.5 L)
Rated RPM1650
Bore/Stroke3.75x4.125 inches (95 x 105 mm)
Buda diesel6-cylinder, liquid-cooled vertical I-head
Compression6.6:1
Displacement273 ci (4.5 L)
Buda gasoline6-cylinder, liquid-cooled vertical I-head
Engine optionsBuda 4.5L 6-cyl gasoline, Buda 4.5L 6-cyl diesel
Rated RPM diesel1650
Bore/Stroke diesel3.75x4.125 inches (95 x 105 mm)
Compression diesel14.3:1
Displacement diesel273 ci (4.5 L)
Mechanical
DriveTwo-wheel drive
BrakesIndependent mechanical disc brakes
Operator stationOpen operator station.
Production
Built inBrantford, Ontario, Canada
Total built3,974
ManufacturerCO-OP
Original price$4,100 (1957)
Transmission
Typeunsynchronized gear
Gears6 forward and 2 reverse
Clutchdry disc
Serial Numbers
1953101
19541750
195510001
195620001
195730001
195840001
Final40257
LocationSerial number stamped into the top of the Cockshutt 50 tractor frame on the left side.
Dimensions & Tires
Height79.5 inches (201 cm)
Length132 inches (335 cm)
Rear tire14.00x34
Wheelbase86.5 inches (219 cm)
Front tire7.50x16
Weight ballasted11,119 lbs (5043 kg)
Weight operating gas6,041 lbs (2740 kg)
Weight operating diesel6,163 lbs (2795 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540