Year of manufacture 1925–27 Units built 15 Engine 8-cylinder in-line engine, 3 valve/cylinder, overhead camshafts Cubic capacity/bore [cm³/mm] 1493/60 x 66 Compressor yes (at T39A) Carburetor Zenith or 2 Solex Power [HP at revolutions/min] 120 at 5500 Forward gears 4		Drive shaft-driven Front wheel suspension live axle, semi-elliptical springs Back wheel suspension live axle, inverted quarter-elliptical springs Brakes Cable drum brakes Wheelbase [meters] 2.4 Wheel track [meters] 1.2 Tire size 28 x 4.95 Weight [kilograms] approx. 750