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-10-20" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="McCormick-Deering 10-20 specs — FarmFleetSpecs"></iframe>

Tractor · 1923Unverified

McCormick-Deering 10-20

Name: McCormick-Deering 10-20
Brand: McCormick-Deering

McCormick-Deering 10-20 — Standard-tread tractor · 10 hp. Reference specifications; pending source verification.

The McCormick-Deering 10-20 is a tractor with a rated power output of 10 horsepower, categorising it at the lighter end of its class. Manufactured from 1923 to 1939, this tractor features a 4-cylinder liquid-cooled engine paired with two-wheel drive and a 3-speed gearbox. Its listed operating weight is 1678 kg, and it is suitable for operations covering up to 200 acres.

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

Rated power

10 hp

Max power

11.6 kW

Weight

1678 kg

Catalogue coverage

Variants represented

Richest spec table

68 rows

Recorded power

10 hp

Recorded weight

1678 kg

Transmissions

3-speed unsynchronized gear

Production years

1923-1939

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

Manual steeringReference

Open operator station.Reference

Engine

International Harvester 4.6L 4-cyl keroseneReference

Fuel tank54.9 LReference

Aux. fuel2.8 LReference

Drawbar (claimed)7.5 kWReference

Belt (claimed)14.9 kWReference

Drawbar (tested)14.6 kWReference

Belt (tested)18.5 kWReference

International HarvesterReference

keroseneReference

4-cylinderReference

liquid-cooled vertical, valve-in-headReference

Displacement4.6 LReference

Bore/Stroke108 x 127 mmReference

Rated RPM1000Reference

Coolant capacity34.1 LReference

Belt power (max)16.3 kWReference

Max power11.6 kWReference

Belt power (max)18.5 kWReference

Max power14.6 kWReference

Transmission

3-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears3 forward and 1 reverseReference

Clutchdry discReference

Dimensions

Weight1678 kgReference

Front tire30x4.50Reference

Rear tire42x12Reference

Ag front30x4.50 stelReference

Ag rear42x12 steelReference

Length312 cmReference

Width152 cmReference

Height157 cmReference

10-20 Serial Number Location

Below the tractor's fuel tank.Reference

10-20 Serial Numbers

1923KC501Reference

1924KC7641Reference

1925KC18869Reference

1926KC37728Reference

1927KC62824Reference

1928KC89470Reference

1929KC119823Reference

1930KC159111Reference

1931KC191486Reference

1932KC201013Reference

1933-----Reference

1934KC204239Reference

1935KC206179Reference

1936KC207275Reference

1937KC210235Reference

1938KC212425Reference

1939KC214886Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter38 cmReference

Width17 cmReference

RPM661Reference

Test results

NTTL 95: kerosene 3-speed 2WDReference

NTTL 142: kerosene 3-speed 2WDReference

Kerosene 3-speed 2WDSeptember 25 - October 3, 1923Link: Nebraska Tractor Test 95 fileReference

Belt fuel use (max)8.7 l/hourReference

Drawbar performanceReference

Max pull1197 kgReference

Kerosene 3-speed 2WDOctober 3 - 8, 1927Link: Nebraska Tractor Test 142 fileReference

Belt fuel use (max)10.2 l/hourReference

Max pull1340 kgReference

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.