ALLIS-CHALMERS Modell-WF vs Hermann Lanz L 25 a

9 material differences · fewer than 12

Tractor one

ALLIS-CHALMERS Modell-WF

1937–1951

No measured PTO figure

Tractor two

Hermann Lanz L 25 a

1942–1944

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (39%). 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

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

ALLIS-CHALMERS Modell-WF and Hermann Lanz L 25 a, field by field
FieldModell-WFL 25 aGap
Engine
Engine power, claimed claimed24 hp24.4 hp
Engine declaredALLIS-CHALMERS W-110Deutz GF2M 115 or wahlweisediffers
Displacement declared3.30 L3.98 L+21% L 25 a
Transmission
Top speed declared9.9 mph · 16 km/h12.1 mph · 19.4 km/h+21% L 25 a
Clutch declaredFoot-operated spring-loaded dry Rockford single-plate clutchsingle-plate dry clutch from Fichtel & Sachsdiffers
Hydraulics & hitch
Rear PTO speeds declared535 rpm540 rpmdiffers
Weight & dimensions
Unladen weight declared3,490 lb · 1,583 kg4,850 lb · 2,200 kg+39% L 25 a
Wheelbase declared70.0 in · 1,778 mm80.7 in · 2,050 mm+15% L 25 a
Length declared122.0 in · 3,099 mm112.6 in · 2,860 mm+8% Modell-WF
Width declared57.5 in · 1,461 mm59.1 in · 1,500 mm
Height declared54.5 in · 1,384 mm64.6 in · 1,640 mm+18% L 25 a
Ground clearance declared11.8 in · 300 mm
Fuel tank declared59.9 qt · 56.7 L

ALLIS-CHALMERS Modell-WF sources

Source
  • Source: Traktorenlexikon, “Allis-Chalmers WF”
  • Source: Traktorenlexikon, “Allis-Chalmers WC”

Hermann Lanz L 25 a sources

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