Hermann Lanz D 40 vs J.I. Case Modell-S

8 material differences · fewer than 12

Tractor one

Hermann Lanz D 40

1949–1950

No measured PTO figure

Tractor two

J.I. Case Modell-S

1941–1952

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% (42%). 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 · 3 fields identical or within 5%, which is not counted as material

Hermann Lanz D 40 and J.I. Case Modell-S, field by field
FieldD 40Modell-SGap
Engine
Engine power, claimed claimed21.6 hp21.6 hp
Engine declaredMWM KD 215 Z
Displacement declared2.36 L
Transmission
Top speed declared12.0 mph · 19.3 km/h10.0 mph · 16.1 km/h+20% D 40
Clutch declaredSingle-plate dry clutchHand lever operated wet single plate Twin Disc clutchdiffers
Hydraulics & hitch
Rear PTO speeds declared540 rpm541 rpmdiffers
Weight & dimensions
Unladen weight declared3,086 lb · 1,400 kg4,374 lb · 1,984 kg+42% Modell-S
Wheelbase declared68.9 in · 1,750 mm66.0 in · 1,676 mm
Length declared100.8 in · 2,560 mm108.5 in · 2,756 mm+8% Modell-S
Width declared59.1 in · 1,500 mm56.3 in · 1,429 mm
Height declared63.0 in · 1,600 mm51.0 in · 1,295 mm+24% D 40
Ground clearance declared10.2 in · 260 mm11.3 in · 286 mm+10% Modell-S
Fuel tank declared40.2 qt · 38 L56.0 qt · 53.0 L+39% Modell-S

Hermann Lanz D 40 sources

Source
  • Source: Traktorenlexikon, “HELA D 40 (1949-1950)”

J.I. Case Modell-S sources

Source
  • Source: Traktorenlexikon, “Case S”