Overview
The CO-OP E5 is a row-crop farm tractor manufactured in Brantford, Ontario, Canada, with a production run totaling 3,974 units between 1953 and 1958. It features a 4.5L Buda 6-cylinder engine available in gasoline or diesel configurations, paired with a 6-speed unsynchronized gear transmission and an independent 540 RPM rear PTO. The tractor is built on an 86.5-inch wheelbase and has a listed ballasted weight of 11,119 lbs.
Ideal Applications
Tested Drawbar and Belt Performance:
In Nebraska Tractor Test 488, the gasoline model reached a maximum of 55.56 hp at the belt and 51.59 hp at the drawbar, with a maximum recorded pull of 6,463 lbs.
Mechanical Drive Configuration:
The E5 is equipped with a 6-speed unsynchronized gear transmission providing six forward and two reverse gears, supported by independent mechanical disc brakes and two-wheel drive.
Engine Specifications:
Both the gasoline and diesel variants utilize a 273 ci (4.5 L) Buda 6-cylinder liquid-cooled vertical I-head engine with a rated speed of 1650 RPM.
Production
| Description | Row-Crop tractor / Built in Brantford, Ontario, Canada |
|---|---|
| Manufacturer | CO-OP |
| Original price | $4,100 (1957) |
| Total built | 3,974 |
Engine
| Engine type | Buda 4.5L 6-cyl gasoline / Buda 4.5L 6-cyl diesel |
|---|---|
| Fuel tank | 21 gal (79.5 L) |
| Bore/Stroke | 3.75x4.125 inches (95 x 105 mm) / 3.75x4.125 inches (95 x 105 mm) |
| Compression | 6.6:1 / 14.3:1 |
| Description | Buda / gasoline / 6-cylinder / liquid-cooled vertical I-head / Buda / diesel / 6-cylinder / liquid-cooled vertical I-head |
| Displacement | 273 ci (4.5 L) / 273 ci (4.5 L) |
| Rated RPM | 1650 / 1650 |
| Engine type | Buda 4.5L 6-cyl gasoline / Buda 4.5L 6-cyl diesel |
| Belt (claimed) | 49 hp (36.5 kW) |
| Belt (tested) | 55.56 hp (41.4 kW) |
| Drawbar (claimed) | 39 hp (29.1 kW) |
| Drawbar (tested) | 51.59 hp (38.5 kW) |
| Plows | 4-5 |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Transmission type | 6-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Independent mechanical disc brakes |
| Drive type | Two-wheel drive |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Ag front | 7.50x16 |
|---|---|
| Ag rear | 14.00x34 |
| Height | 79.5 inches (201 cm) |
| Length | 132 inches (335 cm) |
| Wheelbase | 86.5 inches (219 cm) |
| Front tire | 7.50x16 |
| Rear tire | 14.00x34 |
| Weight | 6041 to 6163 pounds |
| Wheelbase | 86.5 inches (219 cm) |
CO-OP E5 Weight
| Ballasted | 11,119 lbs (5043 kg) |
|---|---|
| Operating | 6,041 lbs (gas) (2740 kg) |
E5 Serial Numbers
| 1953 | 101 |
|---|---|
| 1954 | 1750 |
| 1955 | 10001 |
| 1956 | 20001 |
| 1957 | 30001 |
| 1958 | 40001 |
| Description | FAQ: How to read a serial number table. |
| Final | 40257 |
| Location: | Serial number stamped into the top of the Cockshutt 50 tractor frame on the left side. |
Nebraska Tractor Test 487
| Belt fuel use (max) | 3.5 gal/hour (13.2 l/hour) |
|---|---|
| Belt power (max) | 51.05 hp (38.1 kW) |
| Description | Diesel 6-speed 2WDOctober 29 - November 6, 1952Link: Nebraska Tractor Test 487 file / Drawbar performance / Gear 5 used for power test. / Gear 1 used for pull test. |
| Max power | 46.26 hp (34.5 kW) |
| Max pull | 6,319 lbs (2866 kg) |
Nebraska Tractor Test 488
| Belt fuel use (max) | 5.0 gal/hour (18.9 l/hour) |
|---|---|
| Belt power (max) | 55.56 hp (41.4 kW) |
| Description | Gasoline 6-speed 2WDOctober 29 - November 6, 1952Link: Nebraska Tractor Test 488 file / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
| Max power | 51.59 hp (38.5 kW) |
| Max pull | 6,463 lbs (2931 kg) |
Tractor Tests
| Description | NTTL 487: diesel 6-speed 2WD / NTTL 488: gasoline 6-speed 2WD |
|---|