It featured a box section chassis, an unsupercharged 4,483 cc (273.6 cu in) capacity 93 mm × 110 mm (3.66 in × 4.33 in) straight-six engine and a four speed Wilson preselector gearbox.

[3] For the 1950 Formula One season a version with a more powerful engine was introduced, with revised carburation and twin spark plugs.

[3] The T26C made its racing debut in the 1948 Monaco Grand Prix, finishing second in the hands of Louis Chiron.

[5] A modified version, the T26C-GS (for Grand Sport), fitted with two-seater bodywork, cycle wings and lights, won the 1950 24 Hours of Le Mans driven by Louis Rosier and Jean-Louis Rosier.

[3] Doug Whiteford won the 1952 and 1953 Australian Grand Prix driving a Talbot-Lago T26C.