• Vehicle type: unspecified
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1923–1940
  • 17,918 built

WhichTractor size, not the maker’s category

We looked and the record does not say what this machine is. How we decide what a machine is

International Harvester 10-20 Industrial specs: hp, weight, years

INTERNATIONAL HARVESTER 284 four-cylinder petrol. The manufacturer claimed 27.5 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

27.5 hp

20.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick 10-20 Industrial”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
5,481 lb
Top speed
5.0 mph

International Harvester 10-20 Industrial specs: key facts

  • The International Harvester 10-20 Industrial was built from 1923 to 1940.

  • The International Harvester 10-20 Industrial has a claimed engine power (gross or net not stated) of 20.5 kW (27.5 hp); it has no measured PTO figure.

  • The International Harvester 10-20 Industrial is two-wheel drive (2WD).Source 1

  • The International Harvester 10-20 Industrial has a INTERNATIONAL HARVESTER 284 engine, a 4-cylinder 4.65 L petrol unit.Source 2

  • The International Harvester 10-20 Industrial weighs 2,486 kg (5,481 lb) unladen.Source 1

  • The International Harvester 10-20 Industrial has a rear PTO running at 742 rpm.

Source · Traktorenlexikon, “McCormick 10-20 Industrial”

How does the 10-20 Industrial compare with its class?

  • Limitation:

    Three forward gears is low for its class — 50% below the median of 6 across the 117 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 119 comparable records. How we work this out

Illustration of the 1923–1940 International Harvester 10-20 Industrial, a 27 hp farm tractor, operator station not recorded — shown as an open platform, a drawing generated from its specification record
Illustration — not a photograph · operator station not recorded — shown as an open platform

How much horsepower does a 10-20 Industrial have?

The only figure for the 10-20 Industrial is 27.5 hp (20.5 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
27.5 hp

Source · Traktorenlexikon, “McCormick 10-20 Industrial”

What engine is in a 10-20 Industrial?

A 10-20 Industrial has an INTERNATIONAL HARVESTER 284, a 4-cylinder 4.65 L petrol engine.

Engine — 10-20 Industrial engine specifications
Make & modelINTERNATIONAL HARVESTER 284
Cylinders4, liquid-cooledSource 3
Displacement283.7 ci · 4.65 L

Source · Traktorenlexikon, “McCormick 10-20”

How much will a 10-20 Industrial lift?

Hydraulic and PTO specifications for the 10-20 Industrial are below.

Hydraulics & PTO — 10-20 Industrial hydraulics and PTO specifications
Rear PTO742 rpm

Source · Traktorenlexikon, “McCormick 10-20 Industrial”

What transmission does a 10-20 Industrial have?

Transmission specifications for the 10-20 Industrial are below.

Transmission — 10-20 Industrial transmission specifications
ClutchPedal-operated dry single-disc clutchSource 3Sources disagreePedal-operated dry single-plate clutch (Traktorenlexikon, “IHC 10-20 Industrial”)
BrakesHand lever operated transmission brakeSource 3
SteeringMechanically operated worm gear
Top speed5.0 mph · 8.0 km/h

Source · Traktorenlexikon, “IHC 10-20 Industrial”

How much does a 10-20 Industrial weigh?

A 10-20 Industrial weighs 5,481 lb (2,486 kg) unladen.

Weights & dimensions — 10-20 Industrial weights and dimensions
Unladen weight5,481 lb · 2,486 kg
Wheelbase78.0 in · 1,981 mm
Length118.0 in · 2,997 mm
Width59.0 in · 1,499 mm
Height62.0 in · 1,575 mm
Front track52.0 in · 1,321 mm
Rear track62.0 in · 1,575 mmSource 3

Source · Traktorenlexikon, “IHC 10-20 Industrial”

What oil does a 10-20 Industrial take, and how much?

A 10-20 Industrial engine takes 6.3 qt (6.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

10-20 Industrial fluid capacities, grades and service intervals
SystemCapacity
Engine oil6.3 qt · 6.0 LSource: Traktorenlexikon, “McCormick 10-20 Industrial” · single source, not independently verified
Cooling system40.0 qt · 37.9 LSource: Traktorenlexikon, “McCormick 10-20 Industrial” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a 10-20 Industrial?

Within 10% of its 27.5 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the International Harvester 10-20 Industrial

Is a 10-20 Industrial two-wheel drive or four-wheel drive?

The International Harvester 10-20 Industrial is two-wheel drive (2WD).

What PTO does a 10-20 Industrial have?

A 10-20 Industrial has a 742 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “McCormick 10-20 Industrial”; Traktorenlexikon, “IHC 10-20 Industrial”; and Traktorenlexikon, “McCormick 10-20”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: IHC 10-20 Industrial — CC BY-SA 4.0, WIKIBOOKS-TL-118688 · revision 1031886. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: McCormick 10-20 — CC BY-SA 4.0, WIKIBOOKS-TL-88875 · revision 1018114. Wikibooks contributors (Traktorenlexikon). Original document
  3. Traktorenlexikon: McCormick 10-20 Industrial — CC BY-SA 4.0, WIKIBOOKS-TL-117708 · revision 1018115. Wikibooks contributors (Traktorenlexikon). Original document