14 material differences

Tractor oneFiat 50-66 (DT)1989–1992No measured PTO figureTractor twoVALMET 5041982–1985No measured PTO figure

Which should you choose?

Read our verdict on the 50-66 (DT) and the 504 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 50-66 (DT) and VALMET 504, field by field
Field	50-66 (DT)	504	Gap
Engine
Engine power, claimed claimed	49.3 hp	49.3 hp	—
Engine declared	FIAT-IVECO 8035.06	VALMET D 27 B	differs
Displacement declared	2.71 L	2.69 L	—
Maximum torque declared	114 lb·ft · 155 N·m	125 lb·ft · 170 N·m	+10% 504
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	18.6 mph · 30 km/h	differs
Clutch declared	dry Valeo or LuK double clutch	dry Fichtel & Sachs dual clutch	differs
Hydraulics & hitch
Pump flow declared	8.7 gpm · 32.8 L/min	7.1 gpm · 27.0 L/min	+21% 50-66 (DT)
Pressure declared	3,118 psi · 215 bar	—	—
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	4,255 lb · 1,930 kg	5,930 lb · 2,690 kg	+39% 504
Maximum permissible mass declared	8,488 lb · 3,850 kg	—	—
Wheelbase declared	78.7 in · 1,999 mm	83.1 in · 2,112 mm	+6% 504
Length declared	127.6 in · 3,241 mm	142.4 in · 3,617 mm	+12% 504
Width declared	60.6–84.3 in · 1,540–2,140 mm	74.4 in · 1,890 mm	differs
Height, over the cab declared	89.4 in · 2,270 mm	98.4 in · 2,500 mm	+10% 504
Ground clearance declared	14.8 in · 375 mm	15.7 in · 400 mm	+7% 504
Turning radius, braked declared	9.9 ft · 3.03 m	11.5 ft · 3.50 m	+16% 504
Fuel tank declared	44.4 qt · 42.0 L	68.7 qt · 65.0 L	+55% 504

Source

Source