8 material differences · fewer than 12
Tractor oneInternational Harvester 4531971–1975No measured PTO figureTractor twoSteyr 545 (a)1972–1977No measured PTO figure
Which should you choose?
Read our verdict on the 453 and the 545 (a) → 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 | 453 | 545 (a) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.4 hp | 44.4 hp | — |
| Engine declared | INTERNATIONAL-HARVESTER D-155 | Steyr WD-308.45 | differs |
| Displacement declared | 2.54 L | 2.36 L | +8% 453 |
| Maximum torque declared | 119 lb·ft · 162 N·m | 116 lb·ft · 157 N·m | — |
| Transmission | |||
| Top speed declared | 12.4–15.5 mph · 20–25 km/h | 18.6 mph · 30 km/h | differs |
| Clutch declared | Dry LuK double clutch | Pedal-operated dry Steyr single-disc clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 7.6 gpm · 28.7 L/min | — | — |
| Pressure declared | 2,843 psi · 196 bar | — | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm / 1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 4,806 lb · 2,180 kg | 4,167 lb · 1,890 kg | +15% 453 |
| Wheelbase declared | 75.6 in · 1,920 mm | 76.8 in · 1,950 mm | — |
| Length declared | 129.3 in · 3,285 mm | 131.1 in · 3,330 mm | — |
| Width declared | 59.9 in · 1,522 mm | 63.5–70.9 in · 1,614–1,800 mm | differs |
| Height, over the exhaust declared | 88.6 in · 2,250 mm | 79.7 in · 2,025 mm | +11% 453 |
| Ground clearance declared | 15.6 in · 396 mm | — | — |
| Turning radius, braked declared | 10.4 ft · 3.16 m | — | — |
| Fuel tank declared | 63.4 qt · 60.0 L | 65.5 qt · 62.0 L | — |
International Harvester 453 sources
Source
- Source: Traktorenlexikon, “McCormick 453”
- Source: Traktorenlexikon, “McCormick 353”
Steyr 545 (a) sources
Source
- Source: Traktorenlexikon, “Steyr 545”