Overview
The CO-OP E3 is a row-crop farm tractor manufactured in Brantford, Ontario, with production serial numbers recorded from 1946 through 1957. It is powered by a 2.5L four-cylinder Buda gasoline engine and features a gear transmission offering up to 8 forward speeds and 2 reverse speeds. The tractor is equipped with a 6-volt positive ground electrical system and is rated for 2-3 plows.
Ideal Applications
Tested Power Performance:
In Nebraska Tractor Test 382, the E3 demonstrated a maximum belt power of 31.88 hp and a maximum drawbar pull of 3,745 lbs while operating at a rated 1650 RPM.
Transmission and PTO Configuration:
The mechanical layout includes a two-wheel drive system, mechanical contracting band brakes, and a live rear PTO rated at 540 RPM.
Physical Dimensions and Weight:
The tractor has an operating weight of 3,620 lbs and a ballasted weight of 5,528 lbs, with a total length of 132 inches and a height of 60 inches.
Production
| Description | Row-Crop tractor / Built in Brantford, Ontario, Canada |
|---|---|
| Manufacturer | CO-OP |
| Original price | $2,500 (1952) |
| Total built | 37,328 |
Engine
| Engine type | Buda 2.5L 4-cyl gasoline |
|---|---|
| Bore/Stroke | 3.4375x4.125 inches (87 x 105 mm) |
| Compression | 6:1 |
| Coolant capacity | 18 qts (17.0 L) |
| Description | Buda / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 153.1 ci (2.5 L) |
| Rated RPM | 1650 |
| Starter volts | 6 |
| Belt (tested) | 31.88 hp (23.8 kW) |
| Drawbar (claimed) | 21 hp (15.7 kW) |
| Drawbar (tested) | 27.25 hp (20.3 kW) |
| Plows | 2-3 |
| PTO (claimed) | 28 hp (20.9 kW) |
| PTO (tested) | 30.28 hp (22.6 kW) |
Transmission
| Description | Adds a high-low shift to the basic four-speed transmission. |
|---|---|
| Gears | 4 forward and 1 reverse / 8 forward and 2 reverse |
| Transmission | Hi-low |
| Type | gear |
| Transmission type | 4-speed gear / 8-speed |
| Transmission type | 4-speed gear / 8-speed |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical contracting band brakes |
| Drive type | Two-wheel drive |
Capacity
| Fuel | 15 gal (56.8 L) |
|---|---|
| Hydraulic system | 1.5 gal (5.7 L) |
Hydraulics
| Capacity | 1.5 gal (5.7 L) |
|---|
PTO
| Rear PTO | live |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Battery volts | 6 |
|---|---|
| Ground | positive |
Dimensions & Tires
| Ag front | 5.50-16 |
|---|---|
| Ag rear | 11-38 |
| Ballasted weight | 5,528 lbs (2507 kg) |
| Height | 60 inches (152 cm) |
| Length | 132 inches (335 cm) |
| Operating weight | 3,620 lbs (1642 kg) |
| Front tire | 5.50-16 |
| Rear tire | 11-38 |
| Weight | 3,620 lbs (1642 kg) |
E3 Serial Numbers
| 1946 | 101 |
|---|---|
| 1947 | 442 |
| 1948 | 6705 |
| 1949 | 17371 |
| 1950 | 26151 |
| 1951 | 28505 |
| 1952 | 32389 |
| 1953 | 35580 |
| 1954 | 35974 |
| 1955 | 40001 |
| 1956 | 50001 |
| 1957 | 60001 |
| Description | FAQ: How to read a serial number table. |
| Location: | Left-side frame, in front of transmission |
Nebraska Tractor Test 382
| Belt fuel use (max) | 3.0 gal/hour (11.4 l/hour) |
|---|---|
| Belt power (max) | 31.88 hp (23.8 kW) |
| Description | Gasoline 4-speed 2WDMay 21 - June 3, 1947Link: Nebraska Tractor Test 382 file / PTO performance / Drawbar performance / Gear 1 used for pull test. |
| Fuel use | 2.6 gal/hour (9.8 l/hour) |
| Max power | 27.25 hp (20.3 kW) |
| Max pull | 3,745 lbs (1698 kg) |
| Power at rated engine speed | 30.28 hp (22.6 kW) |