- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1934–1938
- 3,631 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 W-12 specs: hp, weight, years
INTERNATIONAL HARVESTER 113 four-cylinder petrol. The manufacturer claimed 15.8 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
15.8 hp
11.8 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “McCormick W-12”, 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
- 2,899 lb
- Top speed
- 3.7 mph
International Harvester W-12 specs: key facts
The International Harvester W-12 was built from 1934 to 1938.
The International Harvester W-12 has a claimed engine power (gross or net not stated) of 11.8 kW (15.8 hp); it has no measured PTO figure.
The International Harvester W-12 is two-wheel drive (2WD).
The International Harvester W-12 has a INTERNATIONAL HARVESTER 113 engine, a 4-cylinder 1.85 L petrol unit.Source 1
The International Harvester W-12 weighs 1,315 kg (2,899 lb) unladen.
The International Harvester W-12 has a dependent rear PTO running at 540 rpm.
Source · Traktorenlexikon, “McCormick W-12”
How does the W-12 compare with its class?
- Limitation:
Three forward gears is low for its class — 40% below the median of 5 across the 52 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 52 comparable records. How we work this out
How much horsepower does a W-12 have?
The only figure for the W-12 is 15.8 hp (11.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “McCormick W-12”
What engine is in a W-12?
A W-12 has an INTERNATIONAL HARVESTER 113, a 4-cylinder 1.85 L petrol engine.
| Make & model | INTERNATIONAL HARVESTER 113 |
|---|---|
| Cylinders | 4, liquid-cooledSource 2 |
| Displacement | 113.1 ci · 1.85 L |
Source · Traktorenlexikon, “McCormick F-12-G”
How much will a W-12 lift?
Hydraulic and PTO specifications for the W-12 are below.
| Rear PTO | Dependent, transmission-driven, 540 rpm |
|---|
Source · Traktorenlexikon, “McCormick W-12”
What transmission does a W-12 have?
Transmission specifications for the W-12 are below.
| Top speed | 3.7 mph · 6.0 km/h |
|---|
Source · Traktorenlexikon, “McCormick W-12”
How much does a W-12 weigh?
A W-12 weighs 2,899 lb (1,315 kg) unladen.
| Unladen weight | 2,899 lb · 1,315 kg |
|---|---|
| Wheelbase | 60.0 in · 1,524 mm |
| Length | 103.0 in · 2,616 mm |
| Width | 50.0 in · 1,270 mm |
| Height | 55.0 in · 1,397 mm |
| Front track | 40.7 in · 1,035 mm |
| Rear track | 42.2 in · 1,073 mm |
| Turning radius, braked | 14.0 ft · 4.27 m |
Source · Traktorenlexikon, “McCormick W-12”
What oil does a W-12 take, and how much?
Fluid capacities for the W-12 are below.
| System | Capacity |
|---|---|
| Transmission | 15.9 qt · 15.0 LSource: Traktorenlexikon, “McCormick W-12” · single source, not independently verified |
| Cooling system | 15.0 qt · 14.2 LSource: Traktorenlexikon, “McCormick W-12” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a W-12?
Within 10% of its 13.9 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 W-12
Is a W-12 two-wheel drive or four-wheel drive?
The International Harvester W-12 is two-wheel drive (2WD).
What PTO does a W-12 have?
A W-12 has a dependent 540 rpm rear PTO.
What serial numbers does a W-12 carry?
The source lists them year by year, from WS 503 in 1934 to WS 3798 in 1937. 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 W-12”; and Traktorenlexikon, “McCormick F-12-G”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: McCormick F-12-G — CC BY-SA 4.0, WIKIBOOKS-TL-48622 · revision 1056727. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: McCormick W-12 — CC BY-SA 4.0, WIKIBOOKS-TL-117737 · revision 1018554. Wikibooks contributors (Traktorenlexikon). Original document