11 material differences · fewer than 12

Tractor oneALLIS-CHALMERS One-Sixty / 1601970–1975No measured PTO figureTractor twoSOMECA SOM-4111964–1965No measured PTO figure

Which should you choose?

Read our verdict on the One-Sixty / 160 and the SOM-411 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 4 fields identical or within 5%, which is not counted as material

ALLIS-CHALMERS One-Sixty / 160 and SOMECA SOM-411, field by field
Field	One-Sixty / 160	SOM-411	Gap
Engine
Engine power, claimed claimed	40.5 hp	40.5 hp	—
Engine declared	Perkins AD 3.152	O.M.-FIAT 615.000	differs
Displacement declared	2.50 L	2.27 L	+10% One-Sixty / 160
Maximum torque declared	114 lb·ft · 155 N·m	101 lb·ft · 137 N·m	+13% One-Sixty / 160
Transmission
Top speed declared	15.5 mph · 25 km/h	14.3 mph · 23 km/h	+9% One-Sixty / 160
Clutch declared	—	Pedal operated dry two stage double clutch	—
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Pump flow declared	6.7 gpm · 25.4 L/min	4.4 gpm · 16.5 L/min	+54% One-Sixty / 160
Pressure declared	—	2,843 psi · 196 bar	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,721 lb · 2,595 kg	3,472 lb · 1,575 kg	+65% One-Sixty / 160
Wheelbase declared	76.0 in · 1,930 mm	71.7 in · 1,820 mm	+6% One-Sixty / 160
Length declared	138.0 in · 3,505 mm	113.4 in · 2,880 mm	+22% One-Sixty / 160
Width declared	64.2 in · 1,630 mm	62.2–88.6 in · 1,580–2,250 mm	differs
Height, over the steering wheel declared	63.0 in · 1,600 mm	58.7 in · 1,490 mm	+7% One-Sixty / 160
Ground clearance declared	19.0 in · 483 mm	18.9 in · 480 mm	—
Turning radius, braked declared	8.3 ft · 2.52 m	9.3 ft · 2.84 m	+13% SOM-411
Fuel tank declared	53.9 qt · 51.0 L	51.8 qt · 49.0 L	—

Source

Source