John Deere R vs Porsche-Diesel Master 419

8 material differences · fewer than 12

Tractor one

John Deere R

1949–1954

No measured PTO figure

Tractor two

Porsche-Diesel Master 419

1960–1963

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% (60%); they were not built in overlapping years (1949–1954; 1960–1963). 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

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

John Deere R and Porsche-Diesel Master 419, field by field
FieldRMaster 419Gap
Engine
Engine power, claimed claimed48.7 hp49.1 hp
Engine declaredJohn Deere R-1358Porsche-Diesel F 419differs
Displacement declared6.81 L3.50 L+95% R
Transmission
Top speed declared11.2 mph · 18 km/h12.1 mph · 19.4 km/h+8% Master 419
Clutch declaredHand lever operated dry JOHN DEERE double plate clutch
Hydraulics & hitch
Pump flow declared5.9 gpm · 22.2 L/min
Rear PTO speeds declared536 rpm579/1135 rpmdiffers
Weight & dimensions
Unladen weight declared7,401 lb · 3,357 kg4,630 lb · 2,100 kg+60% R
Maximum permissible mass declared7,771 lb · 3,525 kg
Wheelbase declared85.1 in · 2,162 mm85.3 in · 2,166 mm
Length declared147.0 in · 3,734 mm137.0 in · 3,480 mm+7% R
Width declared79.5 in · 2,019 mm74.3 in · 1,886 mm+7% R
Height declared78.1 in · 1,984 mm64.4 in · 1,637 mm+21% R
Ground clearance declared15.7 in · 400 mm
Turning radius, braked declared11.8 ft · 3.61 m
Fuel tank declared88.0 qt · 83.3 L

John Deere R sources

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

Porsche-Diesel Master 419 sources

Source
  • Source: Traktorenlexikon, “Porsche-Diesel Master N419”