10 material differences · fewer than 12
Tractor oneHermann Lanz D 634 L1977–1980No measured PTO figureTractor twoZETOR 3511/35451967–1972No measured PTO figure
Which should you choose?
Read our verdict on the D 634 L and the 3511/3545 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
10 material differences · 3 fields identical or within 5%, which is not counted as material
| Field | D 634 L | 3511/3545 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 34.3 hp | 34.5 hp | — |
| Engine declared | MWM D 325-3 | ZETOR Z-3001 | differs |
| Displacement declared | 2.55 L | 2.34 L | +9% D 634 L |
| Maximum torque declared | — | 98 lb·ft · 133 N·m | — |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | Dual clutch by Fichtel & Sachs | Foot-operated dry two-stage double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | — | 5.3 gpm · 20.0 L/min | — |
| Pressure declared | — | 2,134 psi · 147 bar | — |
| Rear PTO speeds declared | 545/1050 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 3,924 lb · 1,780 kg | 3,373 lb · 1,530 kg | +16% D 634 L |
| Wheelbase declared | 81.9 in · 2,080 mm | 75.5 in · 1,918 mm | +8% D 634 L |
| Length declared | 129.9 in · 3,300 mm | 128.6 in · 3,266 mm | — |
| Width declared | 59.8 in · 1,520 mm | 65.0 in · 1,652 mm | +9% 3511/3545 |
| Height, over the steering wheel declared | 57.9 in · 1,470 mm | 63.8 in · 1,620 mm | +10% 3511/3545 |
| Ground clearance declared | 13.0 in · 330 mm | 13.8 in · 350 mm | +6% 3511/3545 |
| Turning radius, braked declared | — | 9.6 ft · 2.93 m | — |
| Fuel tank declared | 37.0 qt · 35 L | 40.2 qt · 38.0 L | +9% 3511/3545 |
Hermann Lanz D 634 L sources
Source
- Source: Traktorenlexikon, “HELA D 634 L (D 635 L)”
- Source: Traktorenlexikon, “Renault 60 R7253”
ZETOR 3511/3545 sources
Source
- Source: Traktorenlexikon, “Zetor 3511”