- Vehicle type: unspecified
- WhichTractor size: Utility
- No lab test on file
- 1932–1939
- 148,972 built
It sits on the utility/standard-size boundary, so either size is a fair description. 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 F-20 specs: hp, weight, years
INTERNATIONAL HARVESTER 220 four-cylinder petrol. The manufacturer claimed 23.7 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
23.7 hp
17.7 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “IHC F-20”, 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
- 3,951 lb
- Top speed
- 3.7 mph
International Harvester F-20 specs: key facts
The International Harvester F-20 was built from 1932 to 1939.
The International Harvester F-20 has a claimed engine power (gross or net not stated) of 17.7 kW (23.7 hp); it has no measured PTO figure.Source 2
The International Harvester F-20 is two-wheel drive (2WD).Source 2,Source 3
The International Harvester F-20 has a INTERNATIONAL HARVESTER 220 engine, a 4-cylinder 3.62 L petrol unit.Source 4
The International Harvester F-20 weighs 1,792 kg (3,951 lb) unladen.
The International Harvester F-20 has a dependent rear PTO running at 505 rpm.Source 2
Source · Traktorenlexikon, “Farmall F-20”
How does the F-20 compare with its class?
- Limitation:
Four forward gears is low for its class — 20% below the median of 5 across the 127 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 128 comparable records. How we work this out
How much horsepower does a F-20 have?
The only figure for the F-20 is 23.7 hp (17.7 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “IHC F-20”
What engine is in a F-20?
A F-20 has an INTERNATIONAL HARVESTER 220, a 4-cylinder 3.62 L petrol engine.
| Make & model | INTERNATIONAL HARVESTER 220 |
|---|---|
| Cylinders | 4, liquid-cooledSource 3 |
| Displacement | 220.9 ci · 3.62 L |
Source · Traktorenlexikon, “McCormick Farmall Regular”
How much will a F-20 lift?
Hydraulic and PTO specifications for the F-20 are below.
| Rear PTO | Dependent, transmission-driven, 505 rpmSource 1,Source 2 |
|---|---|
| PTO shaft | 1 1/8"- 6 splines |
Source · Traktorenlexikon, “McCormick F-20”
What transmission does a F-20 have?
Transmission specifications for the F-20 are below.
| Clutch | Pedal-operated dry ROCKFORD single-plate clutchSources disagreePedal operated dry Rockford single disc clutch (Traktorenlexikon, “IHC F-20”)Pedal operated dry Rockford single plate clutch (Traktorenlexikon, “McCormick F-20”) |
|---|---|
| Top speed | 3.7 mph · 6.0 km/h |
Source · Traktorenlexikon, “Farmall F-20”
How much does a F-20 weigh?
A F-20 weighs 3,951 lb (1,792 kg) unladen.
| Unladen weight | 3,951 lb · 1,792 kgSource 1 |
|---|---|
| Wheelbase | 85.0 in · 2,159 mmSource 3 |
| Length | 140.0 in · 3,556 mmSource 3 |
| Width | 86.7 in · 2,203 mm |
| Height | 67.0 in · 1,702 mm |
| Front track | 8.5 in · 216 mm |
| Rear track | 74.4–83.0 in · 1,889–2,108 mmthe article lists alternatives |
| Turning radius, braked | 8.0 ft · 2.44 m |
Source · Traktorenlexikon, “IHC F-20”
What oil does a F-20 take, and how much?
A F-20 engine takes 7.0 qt (6.6 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 7.0 qt · 6.6 LSource: Traktorenlexikon, “Farmall F-20” · single source, not independently verified |
| Transmission | 32.0 qt · 30.3 LSource: Traktorenlexikon, “McCormick F-20” · single source, not independently verified |
| Cooling system | 26.1 qt · 24.7 LSource: Traktorenlexikon, “IHC F-20” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a F-20?
Within 10% of its 23.8 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 F-20
Is a F-20 two-wheel drive or four-wheel drive?
The International Harvester F-20 is two-wheel drive (2WD).
What PTO does a F-20 have?
A F-20 has a dependent 505 rpm rear PTO on a 1 1/8"- 6 splines shaft.
What serial numbers does a F-20 carry?
The source lists them year by year, from FA 501 in 1932 to FA 148810 in 1939. It does not say whether that is the tractor’s or the engine’s number, and we never work out a year from a serial number.
Sources and how this page was built
Compiled from Traktorenlexikon, “McCormick Farmall Regular”; Traktorenlexikon, “McCormick F-20”; Traktorenlexikon, “Farmall F-20”; and Traktorenlexikon, “IHC F-20”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Farmall F-20 — CC BY-SA 4.0, WIKIBOOKS-TL-118195 · revision 1054928. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: IHC F-20 — CC BY-SA 4.0, WIKIBOOKS-TL-118236 · revision 1055532. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: McCormick F-20 — CC BY-SA 4.0, WIKIBOOKS-TL-117739 · revision 1059877. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: McCormick Farmall Regular — CC BY-SA 4.0, WIKIBOOKS-TL-117717 · revision 1059883. Wikibooks contributors (Traktorenlexikon). Original document