8 material differences · fewer than 12
Tractor oneInternational Harvester 423 (MC Cormick-International)1966–1975No measured PTO figureTractor twoVALMET 5001968–1971No measured PTO figure
Which should you choose?
Read our verdict on the 423 and the 500 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
8 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | 423 | 500 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 39.4 hp | 48 hp | +22% 500 |
| Engine declared | INTERNATIONAL-HARVESTER D-155 | VALMET 310 B | differs |
| Displacement declared | 2.54 L | 2.69 L | +6% 500 |
| Maximum torque declared | 125 lb·ft · 169 N·m | 124 lb·ft · 168 N·m | — |
| Transmission | |||
| Top speed declared | 12.4 mph · 20 km/h | 18.6 mph · 30 km/h | +50% 500 |
| Clutch declared | — | Pedal operated dry Borg & Beck single plate clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | 6.7 gpm · 25.5 L/min | 6.4 gpm · 24.1 L/min | +6% 423 |
| Pressure declared | 3,553 psi · 245 bar | — | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 4,442 lb · 2,015 kg | 4,579 lb · 2,077 kg | — |
| Wheelbase declared | 75.6 in · 1,920 mm | 75.3 in · 1,912 mm | — |
| Length declared | 133.5 in · 3,390 mm | 125.2 in · 3,180 mm | +7% 423 |
| Width declared | 59.9 in · 1,522 mm | 73.6–112.2 in · 1,870–2,850 mm | differs |
| Ground clearance declared | 14.3 in · 363 mm | 16.3 in · 415 mm | +14% 500 |
| Turning radius, braked declared | 10.6 ft · 3.22 m | 10.2 ft · 3.11 m | — |
| Fuel tank declared | 63.4 qt · 60.0 L | 42.3 qt · 40.0 L | +50% 423 |
Height is not in this table. It is not one measurement: the sources measure it to different points — over the cab on some machines, over the steering wheel or the exhaust on others — and the same tractor measured two ways can differ by most of a metre. It appears here only when both machines' figures carry the point they were measured to and it is the same point, which is not the case for these two. Each machine's own page prints its height as its source gives it.
International Harvester 423 (MC Cormick-International) sources
Source
- Source: Traktorenlexikon, “McCormick 423”
- Source: Traktorenlexikon, “McCormick 353”
VALMET 500 sources
Source
- Source: Traktorenlexikon, “Valmet 500”