Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/co-op-g" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="CO-OP G specs — FarmFleetSpecs"></iframe>

Tractor · 1939Unverified

CO-OP G

Name: CO-OP G
Brand: CO-OP

CO-OP G — Row-Crop tractor · 18 hp. Reference specifications; pending source verification.

The CO-OP G is a compact tractor model, rated at 18 hp, which places it in a smaller category. Manufactured between 1939 and 1941, it features a 4-cylinder petrol liquid-cooled engine, transmitting power through a 3-speed gearbox to two-wheel drive. The listed operating weight is 954 kg, and it is intended for use on areas of approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

18 hp

Max power

10.6 kW

Weight

954 kg

Catalogue coverage

Variants represented

Richest spec table

60 rows

Recorded power

18 hp

Recorded weight

954 kg

Transmissions

3-speed gear

Production years

1939-1941

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

DistributorCO-OPReference

ManufacturerCletracReference

Row-Crop tractorReference

Built in Cleveland, Ohio, USAReference

Total built7,527Reference

Two-wheel driveReference

Manual steeringReference

Open operator station.Reference

Engine

Hercules 1.9L 4-cyl gasolineReference

Fuel tank45.4 LReference

Belt (claimed)13.4 kWReference

Plows1 (14-inch)Reference

Drawbar (tested)10.6 kWReference

Belt (tested)14.4 kWReference

Hercules IXA3Reference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement1.9 LReference

Bore/Stroke76 x 102 mmReference

Air cleaneroil bathReference

Compression5.75:1Reference

Rated RPM1400 (drawbar)Reference

Rated RPM1700 (belt)Reference

Starter typemanual startReference

Oil capacity4.7 LReference

Coolant capacity11.4 LReference

Belt power (max)14.4 kWReference

Max power10.6 kWReference

Transmission

3-speed gearReference

TypegearReference

Gears3 forward and 1 reverseReference

Clutch9-inch dry plateReference

Oil capacity9.5 LReference

PTO & Hydraulics

Mid PTO Type560Reference

Dimensions

Wheelbase203 cmReference

Weight954 kgReference

Front tire5.50-16Reference

Rear tire9-24Reference

Ag front5.50-16Reference

Ag rear9-24Reference

Length299 cmReference

Height (hood)139 cmReference

Shipping weight954 kgReference

Ballasted weight1412 kgReference

G Serial Numbers

19391FA000Reference

19405FA388Reference

19411FA0086Reference

19421FA6532Reference

FAQ: How to read a serial number table.Reference

Links

Cletrac General GG: article at Yesterday's Tractor CoReference

Capacities

Diameter24 cmReference

Width13 cmReference

RPM1065Reference

Speed861.06 meters/minReference

Test results

Gasoline 3-speed 2WDAugust 10 - 30, 1939Link: Nebraska Tractor Test 323 fileReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull770 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.