Renault R-56 vs SOMECA 420 (TD)

7 material differences · fewer than 12

Tractor one

Renault R-56

1967–1973

No measured PTO figure

Tractor two

SOMECA 420 (TD)

1978–1985

No measured PTO figure

Which should you choose?

Read our verdict on the R-56 and the 420 (TD) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

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

Renault R-56 and SOMECA 420 (TD), field by field
FieldR-56420 (TD)Gap
Engine
Engine power, claimed claimed41.4 hp41.4 hp
Engine declaredFIAT-IVECO 8035.01.308
Displacement declared2.34 L
Maximum torque declared107 lb·ft · 145 N·m
Transmission
Top speed declared15.5 mph · 25 km/h15.5 mph · 25 km/h
Clutch declaredTwo-stage pedal operated dry Ferodo double clutch
Hydraulics & hitch
Pump flow declared4.5 gpm · 17.0 L/min
Pressure declared2,843 psi · 196 bar
Three-point lift at ends declared4,409 lb · 2,000 kg2,425 lb · 1,100 kg+82% R-56
Rear PTO speeds declared540 rpm540 rpm
Weight & dimensions
Unladen weight declared4,189 lb · 1,900 kg3,638 lb · 1,650 kg+15% R-56
Wheelbase declared76.0 in · 1,930 mm74.8 in · 1,900 mm
Length declared128.0 in · 3,250 mm113.4 in · 2,880 mm+13% R-56
Width declared59.1 in · 1,500 mm65.2 in · 1,657 mm+10% 420 (TD)
Height declared63.8 in · 1,620 mm89.8 in · 2,280 mm+41% 420 (TD)
Ground clearance declared16.9 in · 430 mm17.7 in · 450 mm
Turning radius, braked declared10.8 ft · 3.29 m9.7 ft · 2.95 m+12% R-56
Fuel tank declared58.1 qt · 55.0 L38.0 qt · 36.0 L+53% R-56

Renault R-56 sources

Source
  • Source: Traktorenlexikon, “Renault 56 R7251”

SOMECA 420 (TD) sources

Source
  • Source: Traktorenlexikon, “Someca 420”
  • Source: Traktorenlexikon, “Fiat 420/420 DT”