MASSEY-HARRIS Pony 820 vs SOMECA SOM-20 D

11 material differences · fewer than 12

Tractor one

1957–1961

No measured PTO figure

Tractor two

1956–1961

No measured PTO figure

Which should you choose?

Read our verdict on the Pony 820 and the SOM-20 D → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 3 fields identical or within 5%, which is not counted as material

MASSEY-HARRIS Pony 820 and SOMECA SOM-20 D, field by field
Field	Pony 820	SOM-20 D	Gap
Engine
Engine power, claimed claimed	18.0 hp	17.7 hp	—
Engine declared	HANOMAG D 621-E 54	FIAT 614.000	differs
Displacement declared	1.02 L	1.14 L	+11% SOM-20 D
Maximum torque declared	58 lb·ft · 78 N·m	43 lb·ft · 58.8 N·m	+33% Pony 820
Transmission
Top speed declared	9.3 mph · 15 km/h	13.0 mph · 21 km/h	+40% SOM-20 D
Clutch declared	—	Pedal-operated dry FERODO single-plate clutch	—
Hydraulics & hitch
Pump flow declared	2.5 gpm · 9.5 L/min	2.0 gpm · 7.5 L/min	+27% Pony 820
Rear PTO speeds declared	534 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	2,315 lb · 1,050 kg	1,874 lb · 850 kg	+24% Pony 820
Wheelbase declared	67.3 in · 1,710 mm	66.9 in · 1,700 mm	—
Length declared	110.2 in · 2,800 mm	102.2 in · 2,595 mm	+8% Pony 820
Width declared	56.0 in · 1,422 mm	47.6 in · 1,210 mm	+18% Pony 820
Height declared	60.0 in · 1,524 mm	60.2 in · 1,530 mm	—
Ground clearance declared	18.5 in · 470 mm	19.7 in · 500 mm	+6% SOM-20 D
Fuel tank declared	27.5 qt · 26.0 L	25.4 qt · 24.0 L	+8% Pony 820

Source

Source