Identifying Features:
Large size, alloy wheels (sometimes), 20in wheels

Years Made
(approx): 1930-34

Number Made:
65

Engine:
No of cylinders: 8
Bore x stroke: 86 x 107mm
Capacity: 4972cc
BHP (approx): T50: 225; T50T: 200
RPM Limit (prudent): 4000
Camshafts: dohc
Valves (per cylinder): 2
Camshaft drive: Front, spur train
Crankshaft bearings: 9 plain, plain rods
Supercharger: Roots, bevel driven
Carburettor: 2 Zenith 36 or Schebler
Ignition: Coil
Plugs per cylinder: 1
Firing Order: 1, 6, 2, 5, 8, 3, 7, 4

Clutch:
Type: Dry, multi-plate

Gearbox:
Location: In rear axle, 3-speed and reverse
Gear change lever: Central, ball type

Rear Axle:
Normal Ratio: 14/54 = 3.85

Dimensions:
Wheelbase: T50: 122in, T50T: 138in; (T50: 3.1, T50T: 3.5m)
Track: 55in (1.4m)
Chassis Weight (approx): 2600lb (1200kg)

Brakes:
Location and Type: 4-wheel, cable operated, auto adjuster.
Brake drum diameter: 16in

Wheels:
Type: Cast alloy, vane type
Tyre size: Original and modern fitment: 20 x 6.50

Crossbreeding with Other Types:
Chassis, radiator, rear axle and gear box as on T46; engine used in Grand Prix T54 and FWD T53