The 20/60 featured a detachable cast iron block and aluminium crankcase. The engine was a 3181cc 7 bearing six cylinder OHV. A four speed gearbox with right hand change was used. Suspension was semi-elliptic at the front and cantilever at the back with four wheel braking. The rear drum brakes had two separate sets of shoes for the foot brake and hand brake.
A Claudel-Hobson carburettor was used with vacuum fuel feed. Ignition was by magneto.
Body styles included tourer, sports model, enclosed limousine and enclosed laundaulette.
Around 1560 are thought to have been made.Sunbeam Models