• Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1940–1951
  • Record: MC Cormick-Deering
  • 1,543 built

It was ranked on an engine power figure whose source does not say gross or net. 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 FG specs: hp, weight, years

The manufacturer claimed 19.6 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

19.6 hp

14.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick FG”, 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
3,924 lb
Top speed
9.3 mph

International Harvester FG specs: key facts

  • The International Harvester FG was built from 1940 to 1951.

  • The International Harvester FG has a claimed engine power (gross or net not stated) of 14.6 kW (19.6 hp); it has no measured PTO figure.

  • The International Harvester FG is two-wheel drive (2WD).

  • The International Harvester FG weighs 1,780 kg (3,924 lb) unladen.

  • The International Harvester FG has a dependent rear PTO running at 550 rpm.

Source · Traktorenlexikon, “McCormick FG”

How does the FG compare with its class?

  • Strength:

    A 55 L fuel tank is high for its class — 62% above the median of 34 L across the 58 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 69 comparable records. How we work this out

Illustration of the 1940–1951 International Harvester FG, a 20 hp farm tractor, a drawing generated from its specification record
Illustration — not a photograph

How much horsepower does an FG have?

The only figure for the FG is 19.6 hp (14.6 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)
19.6 hp

Source · Traktorenlexikon, “McCormick FG”

How much will an FG lift?

Hydraulic and PTO specifications for the FG are below.

Hydraulics & PTO — FG hydraulics and PTO specifications
Rear PTODependent, 550 rpm
PTO shaft1 3/8"- 6 splines

Source · Traktorenlexikon, “McCormick FG”

What transmission does an FG have?

Transmission specifications for the FG are below.

Transmission — FG transmission specifications
ClutchPedal operated dry single plate clutch
SteeringDust and oil tight enclosed worm steering
Top speed9.3 mph · 15 km/h

Source · Traktorenlexikon, “McCormick FG”

How much does an FG weigh?

An FG weighs 3,924 lb (1,780 kg) unladen.

Weights & dimensions — FG weights and dimensions
Unladen weight3,924 lb · 1,780 kg
Wheelbase78.3 in · 1,990 mm
Length122.0 in · 3,100 mm
Width74.8 in · 1,900 mm
Height57.9 in · 1,470 mm
Ground clearance9.1 in · 230 mm
Front track43.3–59.1 in · 1,100–1,500 mm
Rear track46.5–86.6 in · 1,180–2,200 mm

Source · Traktorenlexikon, “McCormick FG”

What oil does an FG take, and how much?

An FG engine takes 5.3 qt (5.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

FG fluid capacities, grades and service intervals
SystemCapacity
Engine oil5.3 qt · 5.0 LSource: Traktorenlexikon, “McCormick FG” · single source, not independently verified
Transmission16.4 qt · 15.5 LSource: Traktorenlexikon, “McCormick FG” · single source, not independently verified
Cooling system14.3 qt · 13.5 LSource: Traktorenlexikon, “McCormick FG” · single source, not independently verified

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

Which tractors compare with an FG?

Within 10% of its 19.6 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the International Harvester FG

Is an FG two-wheel drive or four-wheel drive?

The International Harvester FG is two-wheel drive (2WD).

What PTO does an FG have?

An FG has a dependent 550 rpm rear PTO on a 1 3/8"- 6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “McCormick FG”.

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: McCormick FG — CC BY-SA 4.0, WIKIBOOKS-TL-117974 · revision 1021723. Wikibooks contributors (Traktorenlexikon). Original document