Austin 12 (1921 - 1939)

Video

Details

Dimensions
Engine	1660^[1] or 1861 cc Straight-4
Transmission	single-plate clutch, 4-speed centrally controlled gearbox, linked by disc coupling to the open propellor shaft, by metal universal joint to a helical bevel-driven live rear axle. The clutch housing is cast in one with the gearbox.
Wheelbase	9' 4", 112 in (2,800 mm) Track 4' 4", 52 in (1,300 mm) 4' 8", 56 in (1,400 mm)
Length	13' 6", 162 in (4,100 mm)
Width	5' 3", 63 in (1,600 mm)
Kerb weight	Chassis 16¼ cwt, 1,820 lb (830 kg) tourer 22 cwt, 2,464 lb (1,118 kg) saloon 24 cwt, 2,688 lb (1,219 kg)

1660
Layout
Configuration	Straight 4-cylinder
Displacement	1,660 cc (101 cu in)
Cylinder bore	72 mm (2.8 in)
Piston stroke	102 mm (4.0 in)
Block material	Cast iron, alloy crankcase. The inlet manifold is cast in one with the cylinder head
Head material	Detachable, pistons are aluminium
Valvetrain	Side-by-side valves, tappet covers may be easily removed, timing is driven by chain
Combustion
Fuel system	Single carburettor supplied by a vacuum tank which draws from a reservoir beneath the driver's seat, ignition by magneto driven by chain placed behind the timing, dynamo driven by same chain
Management	Back seat
Fuel type	Petrol
Oil system	lubrication by forced feed, filler on the offside
Cooling system	Radiator, fan, cooling water is circulated by a pump forward of the timing on the nearside
Output
Power output	20 bhp (15 kW; 20 PS) @2,000 rpm Tax horsepower 12.8