International Harvester WD-9 vs J.I. Case 401

9 material differences · fewer than 12

Tractor one

International Harvester WD-9

1940–1954

No measured PTO figure

Tractor two

J.I. Case 401

1955–1957

No measured PTO figure

Which should you choose?

Read our verdict on the WD-9 and the 401 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

9 material differences · 0 fields identical or within 5%, which is not counted as material

International Harvester WD-9 and J.I. Case 401, field by field
FieldWD-9401Gap
Engine
Engine power, claimed claimed46.4 hp49.3 hp+6% 401
Engine declaredINTERNATIONAL HARVESTER D-335
Displacement declared5.48 L
Transmission
Top speed declared16.2 mph · 26 km/h12.4 mph · 20 km/h+30% WD-9
Clutch declaredPedal operated dry ROCKFORD single plate clutchPedal-operated single-plate clutchdiffers
Hydraulics & hitch
Pump flow declared12.0 gpm · 45.4 L/min
Rear PTO speeds declared538 rpm540 rpmdiffers
Weight & dimensions
Unladen weight declared5,851 lb · 2,654 kg6,583 lb · 2,986 kg+13% 401
Wheelbase declared83.0 in · 2,108 mm91.5 in · 2,324 mm+10% 401
Length declared134.3 in · 3,410 mm142.6 in · 3,622 mm+6% 401
Width declared75.7 in · 1,924 mm85.2 in · 2,164 mm+12% 401
Height declared81.9 in · 2,080 mm74.4 in · 1,890 mm+10% WD-9
Ground clearance declared24.2 in · 615 mm
Fuel tank declared140.0 qt · 132.5 L84.0 qt · 79.5 L+67% WD-9

International Harvester WD-9 sources

Source
  • Source: Traktorenlexikon, “McCormick WD-9”

J.I. Case 401 sources

Source
  • Source: Traktorenlexikon, “Case 401”