Embed

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

<iframe src="https://farmfleetspecs.com/embed/mccormick-deering-wd-40" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="McCormick-Deering WD-40 specs — FarmFleetSpecs"></iframe>

Tractor · 1935Unverified

McCormick-Deering WD-40

Name: McCormick-Deering WD-40
Brand: McCormick-Deering

McCormick-Deering WD-40 — Standard-tread tractor · 28 hp. Reference specifications; pending source verification.

The McCormick-Deering WD-40 tractor has a power rating of 28 hp, positioning it among the more compact options in its class. Manufactured from 1935 to 1940, it features a 4-cylinder diesel liquid-cooled engine and a 3-speed gearbox for two-wheel drive. The listed weight of the tractor is 3424 kg, and it is suitable for tasks 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

28 hp

Max power

27.7 kW

Weight

3424 kg

Catalogue coverage

Variants represented

Richest spec table

53 rows

Recorded power

28 hp

Recorded weight

3424 kg

Transmissions

3-speed gear

Production years

1935-1940

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerMcCormick-Deering (a part of International Harvester)Reference

Standard-tread tractorReference

Built in Milwaukee, Wisconsin, USAReference

Two-wheel driveReference

Final drivesspur gearReference

Manual steeringReference

Open operator stationReference

Variants

WA-40gasolineReference

WK-40keroseneReference

WD-40dieselReference

Engine

International Harvester 7.6L 4-cyl dieselReference

Fuel tank117.3 LReference

Aux. fuel4.7 LReference

Drawbar (claimed)20.9 kWReference

Belt (claimed)32.8 kWReference

Plows4 (14-inch)Reference

Drawbar (tested)27.7 kWReference

Belt (tested)36.4 kWReference

International HarvesterReference

dieselReference

4-cylinder 8 ((The WD-40 engine has twelve total valves. The four intake valves on the gasoline start manifold are blocked off during diesel operation.))-valveReference

liquid-cooled vertical I-headReference

Displacement7.6 LReference

Bore/Stroke121 x 165 mmReference

Air cleaneroil bathReference

Compression17:1Reference

Rated RPM1100Reference

Starter typehand-cranked gasoline-ignitionReference

Coolant capacity53.0 LReference

Belt power (max)36.4 kWReference

Max power27.7 kWReference

Transmission

3-speed gearReference

TypegearReference

Gears3 forward and 1 reverseReference

Clutchdry discReference

Dimensions

Weight3424 kgReference

Front tire34x6Reference

Rear tire50x12Reference

Ag front34x6 steelReference

Ag rear50x12 steelReference

Length359 cmReference

Width166 cmReference

Height170 cmReference

Capacities

Diameter42 cmReference

Width22 cmReference

RPM588Reference

Speed786.38 meters/minReference

Test results

Diesel 3-speed 2WDSeptember 23 - 27, 1935Link: Nebraska Tractor Test 246 fileReference

Belt fuel use (max)12.9 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull2165 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.