John Deere R vs Porsche-Diesel Master 409

9 material differences · fewer than 12

Tractor one

John Deere R

1949–1954

No measured PTO figure

Tractor two

Porsche-Diesel Master 409

1962–1963

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% (30%); they were not built in overlapping years (1949–1954; 1962–1963). 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

John Deere R and Porsche-Diesel Master 409, field by field
FieldRMaster 409Gap
Engine
Engine power, claimed claimed48.7 hp49.3 hp
Engine declaredJohn Deere R-1358Porsche-Diesel F 409differs
Displacement declared6.81 L3.50 L+95% R
Transmission
Top speed declared11.2 mph · 18 km/h12.1 mph · 19.5 km/h+8% Master 409
Clutch declaredHand lever operated dry JOHN DEERE double plate clutch
Hydraulics & hitch
Pump flow declared6.6 gpm · 25 L/min
Rear PTO speeds declared536 rpm540 rpmdiffers
Weight & dimensions
Unladen weight declared7,401 lb · 3,357 kg5,677 lb · 2,575 kg+30% R
Wheelbase declared85.1 in · 2,162 mm97.0 in · 2,465 mm+14% Master 409
Length declared147.0 in · 3,734 mm143.7 in · 3,650 mm
Width declared79.5 in · 2,019 mm73.4 in · 1,865 mm+8% R
Height declared78.1 in · 1,984 mm73.6 in · 1,870 mm+6% R
Ground clearance declared17.2 in · 437 mm
Fuel tank declared88.0 qt · 83.3 L63.4 qt · 60 L+39% R

John Deere R sources

Source
  • Source: Traktorenlexikon, “John Deere Modell R”

Porsche-Diesel Master 409 sources

Source
  • Source: Traktorenlexikon, “Porsche-Diesel Master 409”