Lancia Gamma (1910)

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Lancia 20 HP
Tipo 55 Corsa 1910.jpg
Lancia 20 HP Corsa
Manufacturer Lancia
Also called Lancia Gamma
Production 1910
Assembly Turin, Italy
Layout Front-engine, rear-wheel-drive
Engine 3,460 cc Tipo 55 I4 (petrol)
Transmission 4-speed manual
Wheelbase 2,740, 2,932 mm (107.9, 115.4 in)
Width 1,615 mm (63.6 in)
Kerb weight 820–850 kg (1,808–1,874 lb) (chassis)
Predecessor Lancia 15-20 HP Beta
Successor Lancia 20-30 HP Delta

The Lancia 20 HP (Tipo 55), later renamed Lancia Gamma,[a] is a passenger car produced by the Italian car manufacturer Lancia during 1910. It was derived from a previous Beta model, now equipped with a bigger engine. In total, 258 units were built.[1] In 1911, the type was superseded by the larger-engined and more powerful Lancia 20-30 HP Delta.

The Delta was built with two wheelbases, normal and short. The latter was destined for competition-oriented Corsa models, to be bodied as open two- or three-seaters.


The engine was a Tipo 55 side valve inline-four, with cast-iron monobloc engine. Bore and stroke measured 100 mm × 110 mm (3.9 in × 4.3 in), for a total displacement of 3460 cc.[1] The engine produced 40 hp at 1500 rpm, giving the car a top speed of 110 kilometres per hour (68 mph)—the same as the six-cylinder Dialfa of two years earlier.[1]

The transmission was a 4-speed gearbox with a multi-plate wet clutch. The separate body was built on a conventional ladder frame; fore and aft there were solid axles, on semi-elliptic springs at the front and three-quarter elliptic springs at the rear. Braking was by drums on the transmission and on the rear wheels.


  1. ^ All early Lancia models were named after their tax horsepower rating, as was common practice; when in 1919 Lancia began naming its passenger cars with Greek alphabet letters, all earlier models were posthumously renamed in order of appearance—from the 1907 Alfa to the 1913 Theta.



  • Frostick, Michael (1976). Lancia. London: Dalton Watson. ISBN 0-901564-22-2. 
  • Amatori, Franco; et al. (1992). Storia della Lancia — Impresa Tecnologie Mercati 1906–1969. Milan: Fabbri Editori. p. 349.