International Harvester B-450 vs ZETOR 5711
10 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because the drive differs (2WD; 2WD / 4WD); they were not built in overlapping years (1958–1969; 1972–1977). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
10 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | B-450 | 5711 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 54.3 hp | 54.3 hp | — |
| Engine declared | INTERNATIONAL HARVESTER BD-264 | ZETOR Z-5501 | differs |
| Displacement declared | 4.33 L | 3.12 L | +39% B-450 |
| Maximum torque declared | 201 lb·ft · 272 N·m | 141 lb·ft · 191 N·m | +42% B-450 |
| Transmission | |||
| Top speed declared | 16.2 mph · 26 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | Pedal-operated dry single-plate clutch | Pedal-operated, dry two-stage ZETOR double clutch with mechanical clutch booster | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 3.6 gpm · 13.6 L/min | 5.3 gpm · 20.0 L/min | +47% 5711 |
| Three-point lift at ends declared | — | 3,748 lb · 1,700 kg | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 5,842 lb · 2,650 kg | 5,622 lb · 2,550 kg | — |
| Wheelbase declared | 79.5 in · 2,019 mm | 88.5 in · 2,247 mm | +11% 5711 |
| Length declared | 131.1 in · 3,330 mm | 138.6 in · 3,520 mm | +6% 5711 |
| Width declared | 51.6 in · 1,310 mm | 70.5 in · 1,790 mm | +37% 5711 |
| Height declared | 71.0 in · 1,803 mm | 64.2 in · 1,630 mm | +11% B-450 |
| Ground clearance declared | 14.8 in · 375 mm | 17.3 in · 440 mm | +17% 5711 |
| Turning radius, braked declared | — | 11.5 ft · 3.50 m | — |
| Fuel tank declared | 83.5 qt · 79.0 L | 83.5 qt · 79.0 L | — |
International Harvester B-450 sources
Source
- Source: Traktorenlexikon, “IHC B-450”
- Source: Traktorenlexikon, “McCormick BMD”
- Source: Traktorenlexikon, “McCormick B-450”
ZETOR 5711 sources
Source
- Source: Traktorenlexikon, “Zetor 5711”
- Source: Traktorenlexikon, “Zetor 5511”