Hermann Lanz L 25 a vs ZETOR Z-25

8 material differences · fewer than 12

Tractor one

Hermann Lanz L 25 a

1942–1944

No measured PTO figure

Tractor two

ZETOR Z-25

1946–1951

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1942–1944; 1946–1951). 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

8 material differences · 2 fields identical or within 5%, which is not counted as material

Hermann Lanz L 25 a and ZETOR Z-25, field by field
FieldL 25 aZ-25Gap
Engine
Engine power, claimed claimed24.4 hp24.7 hp
Engine declaredDeutz GF2M 115 or wahlweise
Displacement declared3.98 L
Transmission
Top speed declared12.1 mph · 19.4 km/h12.4 mph · 20 km/h
Clutch declaredsingle-plate dry clutch from Fichtel & SachsPedal-operated dry single-plate clutchdiffers
Hydraulics & hitch
Rear PTO speeds declared540 rpm533 rpmdiffers
Weight & dimensions
Unladen weight declared4,850 lb · 2,200 kg4,026 lb · 1,826 kg+20% L 25 a
Wheelbase declared80.7 in · 2,050 mm74.8 in · 1,900 mm+8% L 25 a
Length declared112.6 in · 2,860 mm126.0 in · 3,200 mm+12% Z-25
Width declared59.1 in · 1,500 mm70.9 in · 1,800 mm+20% Z-25
Height declared64.6 in · 1,640 mm68.9 in · 1,750 mm+7% Z-25
Ground clearance declared11.8 in · 300 mm12.6 in · 320 mm+7% Z-25
Fuel tank declared47.6 qt · 45.0 L

Hermann Lanz L 25 a sources

Source
  • Source: Traktorenlexikon, “HELA L 25 a Holzgas”

ZETOR Z-25 sources

Source
  • Source: Traktorenlexikon, “Zetor 25”