International Harvester 504 vs Sheppard Diesel SD-4

Side-by-side specs comparison

International Harvester 504

International Harvester 504

51 HP · 1961–1968

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Sheppard Diesel SD-4

Sheppard Diesel SD-4

51 HP · 1954–1956

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Verdict by the numbers

  • The International Harvester 504 and the Sheppard Diesel SD-4 deliver the same power: 51 HP.
  • The International Harvester 504 is the more recent model: production started in 1961, versus 1954 for the Sheppard Diesel SD-4.
  • The Sheppard Diesel SD-4 is heavier: 2835 kg versus 2022 kg for the International Harvester 504.

Full specs comparison

International Harvester 504Sheppard Diesel SD-4
Power51 HP51 HP
Production years1961–19681954–1956
FuelGasolineDiesel
Cylinders44
Displacement2.5 L5.2 L
Weight2 022 kg2 835 kg
Drive2WD2WD
TransmissionSynchronizedGear
Gears (fwd/rev)5 / 110 / 2
Wheelbase185 cm232 cm
Length325 cm357 cm

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