- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1966–1975
- Record: MC Cormick-International
- 27,803 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 423 specs: hp, weight, years
INTERNATIONAL-HARVESTER D-155 three-cylinder diesel. The manufacturer claimed 39.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
39.4 hp
29.4 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “McCormick 423”, 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
- 4,442 lb
- Hyd. flow
- 6.7 gpm
- Top speed
- 12.4 mph
International Harvester 423 specs: key facts
The International Harvester 423 was built from 1966 to 1975.
The International Harvester 423 has a claimed engine power (gross or net not stated) of 29.4 kW (39.4 hp); it has no measured PTO figure.
The International Harvester 423 is two-wheel drive (2WD).
The International Harvester 423 has a INTERNATIONAL-HARVESTER D-155 engine, a 3-cylinder 2.54 L diesel unit.Source 1
The International Harvester 423 weighs 2,015 kg (4,442 lb) unladen.
The International Harvester 423 has an independent rear PTO running at 540 rpm.
The hydraulic pump of the International Harvester 423 delivers 25.5 L/min (6.7 gpm).
Source · Traktorenlexikon, “McCormick 423”
How much horsepower does a 423 have?
The only figure for the 423 is 39.4 hp (29.4 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “McCormick 423”
What engine is in a 423?
A 423 has an INTERNATIONAL-HARVESTER D-155, a 3-cylinder 2.54 L diesel engine.
| Make & model | INTERNATIONAL-HARVESTER D-155 |
|---|---|
| Cylinders | 3, liquid-cooledSource 2 |
| Displacement | 154.8 ci · 2.54 L |
| Max torque | 125 lb·ft · 169 N·m @ 1,502 rpmSource 2 |
Source · Traktorenlexikon, “McCormick 353”
How much will a 423 lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the 423 are below.
| Pump flow | 6.7 gpm · 25.5 L/min |
|---|---|
| Pressure | 3,553 psi · 245 bar |
| Rear PTO | Independent, engine-driven, 540 rpmEngages under load |
Source · Traktorenlexikon, “McCormick 423”
What transmission does a 423 have?
Transmission specifications for the 423 are below.
| Brakes | Pedal operated disc brake positioned on the differential half shafts |
|---|---|
| Steering | Mechanical ROSS steering, type 250 Q |
| Top speed | 12.4 mph · 20 km/h |
Source · Traktorenlexikon, “McCormick 423”
How much does a 423 weigh?
A 423 weighs 4,442 lb (2,015 kg) unladen.
| Unladen weight | 4,442 lb · 2,015 kg |
|---|---|
| Wheelbase | 75.6 in · 1,920 mm |
| Length | 133.5 in · 3,390 mm |
| Width | 59.9 in · 1,522 mm |
| Height | 56.7 in · 1,441 mm |
| Ground clearance | 14.3 in · 363 mm |
| Front track | 48.0–73.2 in · 1,220–1,860 mm |
| Rear track | 50.4–74.0 in · 1,280–1,880 mm |
| Turning radius, braked | 10.6 ft · 3.22 m |
Source · Traktorenlexikon, “McCormick 423”
What oil does a 423 take, and how much?
A 423 engine takes 6.9 qt (6.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 6.9 qt · 6.5 LSource: Traktorenlexikon, “McCormick 423” · single source, not independently verified |
| Transmission | 36.5 qt · 34.5 LSource: Traktorenlexikon, “McCormick 423” · single source, not independently verified |
| Hydraulic | 13.5 qt · 12.8 LSource: Traktorenlexikon, “McCormick 423” · single source, not independently verified |
| Cooling system | 13.7 qt · 13.0 LSource: Traktorenlexikon, “McCormick 423” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a 423?
Within 10% of its 39.9 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.
- VALMET 50039.7 hp PTO, claimed · 1968–1971Side by side with the 423 →
- Hürlimann D-95 L/S39.7 hp PTO, claimed · 1975–1977Side by side with the 423 →
- Fiat 480-8 (DT)40.3 hp PTO, claimed · 1981–1982Side by side with the 423 →
- SOMECA 480-8 (TD)40.3 hp PTO, claimed · 1981–1982Side by side with the 423 →
- Kramer 450 Export39 hp PTO, claimed · 1964–1967Side by side with the 423 →
- Steyr 28839 hp PTO, claimed · 1962–1966Side by side with the 423 →
Common questions about the International Harvester 423
Is a 423 two-wheel drive or four-wheel drive?
The International Harvester 423 is two-wheel drive (2WD).
What PTO does a 423 have?
A 423 has a independent 540 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “McCormick 353”; and Traktorenlexikon, “McCormick 423”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: McCormick 353 — CC BY-SA 4.0, WIKIBOOKS-TL-118071 · revision 1059855. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: McCormick 423 — CC BY-SA 4.0, WIKIBOOKS-TL-118074 · revision 1059856. Wikibooks contributors (Traktorenlexikon). Original document