CO-OP E3
The CO-OP E3 is a tractor produced by Co Op. It is equipped with a 153.1 ci 2.5 L engine. The rated power output is 31.88 hp 23.8 kW. Transmission: Hi-low. Operating weight: 3,620 lbs 1642 kg.
Engine Power
31.88 hp
23.8 kW
Fuel & Capacities
15 gal
56.8 L
Transmission
Hi-low
Operating Weight
3,620 lbs
1642 kg
Co Op CO-OP E3 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | Row-Crop tractor | Row-Crop tractor |
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Note: the CO-OP model E3 is the same as the Cockshutt 30. The following data is from the 30 listing. |
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Production | |
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Manufacturer | CO-OP |
Row-Crop tractor | |
Built in Brantford, Ontario, Canada | |
Total built | 37,328 |
Original price | $2,500 (1952) |
CO-OP E3 Engine | |
|---|---|
Buda 2.5L 4-cyl gasoline | |
Engine details ...  |
CO-OP E3 Power | |
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Drawbar (claimed) | 21 hp
15.7 kW |
PTO (claimed) | 28 hp
20.9 kW |
Plows | 2-3 |
Drawbar (tested) | 27.25 hp
20.3 kW |
PTO (tested) | 30.28 hp
22.6 kW |
Belt (tested) | 31.88 hp
23.8 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Mechanical contracting band brakes | |
Open operator station. |
Capacity | |
|---|---|
Fuel | 15 gal
56.8 L |
Hydraulic system | 1.5 gal
5.7 L |
Hydraulics | |
|---|---|
Capacity | 1.5 gal
5.7 L |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 |
Dimensions & Tires | |
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Weight | 3,620 lbs
1642 kg |
Front tire | 5.50-16 |
Rear tire | 11-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | positive |
Battery volts | 6 |
Engine
Note: the CO-OP model E3 is the same as the Cockshutt 30. The following data is from the 30 listing. |
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Engine Detail — 153.1 ci / 2.5 L Gasoline
Manufacturer | Buda |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 153.1 ci
2.5 L |
Bore/Stroke | 3.4375x4.125 inches
87 x 105 mm |
Compression | 6:1 |
Rated RPM | 1650 |
Starter volts | 6 |
Coolant capacity | 18 qts
17.0 L |
Transmission
Note: the CO-OP model E3 is the same as the Cockshutt 30. The following data is from the 30 listing. |
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Transmission options | |
|---|---|
4-speed gear | |
8-speed |
Transmission — 4 forward and 1 reverse gear
Type | gear |
Gears | 4 forward and 1 reverse |
 | |
Transmission — Hi-low
Transmission | Hi-low |
Gears | 8 forward and 2 reverse |
Adds a high-low shift to the basic four-speed transmission. | |
Dimensions
Note: the CO-OP model E3 is the same as the Cockshutt 30. The following data is from the 30 listing. |
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CO-OP E3 Tires | |
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Ag front | 5.50-16 |
Ag rear | 11-38 |
Dimensions | |
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Length | 132 inches
335 cm |
Height | 60 inches
152 cm |
Operating weight | 3,620 lbs
1642 kg |
Ballasted weight | 5,528 lbs
2507 kg |
Tests
Note: the CO-OP model E3 is the same as the Cockshutt 30. The following data is from the 30 listing. |
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Nebraska Tractor Test 382 | |
|---|---|
Gasoline 4-speed 2WD
May 21 - June 3, 1947
Link: Nebraska Tractor Test 382 file | |
Belt power (max) | 31.88 hp
23.8 kW |
Belt fuel use (max) | 3.0 gal/hour
11.4 l/hour |
PTO performance | |
Power at rated engine speed | 30.28 hp
22.6 kW |
Fuel use | 2.6 gal/hour
9.8 l/hour |
Drawbar performance | |
Max power | 27.25 hp
20.3 kW |
Max pull | 3,745 lbs
1698 kg |
Gear 1 used for pull test. | |
Photos
CO-OP E3 with tricycle front.
CO-OP E3 with wide front.
CO-OP E3 with wide front.
CO-OP E3 operator station and controls.
Related models
CO-OP E2
- Power:
- 33.3
- Production years:
- 1952 - 1953
CO-OP 2
- Power:
- 35.2
- Production years:
- 1936 - 1946
CO-OP B2 Jr.
- Power:
- 37.1
- Production years:
- -1 - -1
CO-OP E5
- Power:
- 54.4
- Production years:
- 1953 - 1957
CO-OP E4
- Power:
- 47.8
- Production years:
- 1949 - 1958