- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: High-power
- No lab test on file
- 1940–1954
- 37,504 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-9 specs: hp, weight, years
INTERNATIONAL HARVESTER C-335 four-cylinder petrol. The manufacturer claimed 49.3 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
49.3 hp
36.8 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “McCormick W-9”, 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
- 5,600 lb
- Top speed
- 15.5 mph
International Harvester W-9 specs: key facts
The International Harvester W-9 was built from 1940 to 1954.
The International Harvester W-9 has a claimed engine power (gross or net not stated) of 36.8 kW (49.3 hp); it has no measured PTO figure.
The International Harvester W-9 is two-wheel drive (2WD).
The International Harvester W-9 has a INTERNATIONAL HARVESTER C-335 engine, a 4-cylinder 5.48 L petrol unit.
The International Harvester W-9 weighs 2,540 kg (5,600 lb) unladen.
The International Harvester W-9 has a rear PTO running at 538 rpm.
Source · Traktorenlexikon, “McCormick W-9”
How does the W-9 compare with its class?
- Limitation:
Five forward gears is low for its class — 38% below the median of 8 across the 264 machines within 10% of its power that hold this figure.
- Strength:
A 136 L fuel tank is high for its class — 124% above the median of 60.8 L across the 244 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 269 comparable records. How we work this out
How much horsepower does a W-9 have?
The only figure for the W-9 is 49.3 hp (36.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “McCormick W-9”
What engine is in a W-9?
A W-9 has an INTERNATIONAL HARVESTER C-335, a 4-cylinder 5.48 L petrol engine.
| Make & model | INTERNATIONAL HARVESTER C-335 |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 334.5 ci · 5.48 L |
Source · Traktorenlexikon, “McCormick W-9”
How much will a W-9 lift?
Hydraulic and PTO specifications for the W-9 are below.
| Rear PTO | 538 rpm |
|---|
Source · Traktorenlexikon, “McCormick W-9”
What transmission does a W-9 have?
Transmission specifications for the W-9 are below.
| Clutch | Pedal-operated dry single-plate clutch |
|---|---|
| Brakes | Pedal-operated internal expanding shoe brakes, mounted on the lay shafts |
| Steering | Mechanical gear steering |
| Top speed | 15.5 mph · 25 km/h |
Source · Traktorenlexikon, “McCormick W-9”
How much does a W-9 weigh?
A W-9 weighs 5,600 lb (2,540 kg) unladen.
| Unladen weight | 5,600 lb · 2,540 kg |
|---|---|
| Wheelbase | 83.4 in · 2,118 mm |
| Length | 134.3 in · 3,410 mm |
| Width | 75.7 in · 1,924 mm |
| Height | 83.0 in · 2,108 mm |
| Front track | 52.0–52.2 in · 1,321–1,327 mmthe article lists alternatives |
| Rear track | 58.0–60.0 in · 1,473–1,524 mmthe article lists alternatives |
Source · Traktorenlexikon, “McCormick W-9”
What oil does a W-9 take, and how much?
A W-9 engine takes 9.5 qt (9.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 9.5 qt · 9.0 LSource: Traktorenlexikon, “McCormick W-9” · single source, not independently verified |
| Transmission | 52.0 qt · 49.2 LSource: Traktorenlexikon, “McCormick W-9” · single source, not independently verified |
| Cooling system | 40.0 qt · 37.9 LSource: Traktorenlexikon, “McCormick W-9” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a W-9?
Within 10% of its 46.4 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.
- International Harvester WD-946.5 hp PTO, claimed · 1940–1954Side by side with the W-9 →
- International Harvester McCormick WD-4044.1 hp PTO, claimed · 1935–1940Side by side with the W-9 →
- Lanz D 253149 hp PTO, claimed · 1937–1954Side by side with the W-9 →
- J.I. Case 40149.3 hp PTO, claimed · 1955–1957Side by side with the W-9 →
- Fahr D 45L42.9 hp PTO, claimed · 1952–1954Side by side with the W-9 →
- Fahr D 400A42 hp PTO, claimed · 1955–1960Side by side with the W-9 →
Common questions about the International Harvester W-9
Is a W-9 two-wheel drive or four-wheel drive?
The International Harvester W-9 is two-wheel drive (2WD).
What PTO does a W-9 have?
A W-9 has a 538 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “McCormick W-9”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: McCormick W-9 — CC BY-SA 4.0, WIKIBOOKS-TL-117796 · revision 1059904. Wikibooks contributors (Traktorenlexikon). Original document