– 500 cc Jap OHV engine – – 75 guineas HD 600 De Luxe – 600 cc JAP sidevalve – 72 guineas HD65 – 350 cc JAP OHV – – 65 guineas HD60 – 350 cc JAP sidevalve – – 60 guineas The HD Super 90 gained the option of a 600 cc JAP OHV motor, raising the price by 5 guineas. 1927 In 1927 Freddie Dixon took first place in the Junior TT, and sixth in the Senior for HRD. Despite this victory, the financial situation worsened. Sold to Vincent In January 1928, the company entered voluntary liquidation. It was bought by Ernest Humphries (of OK Supreme Motors), who sold the name, tooling and patterns to Philip C Vincent for £450 in May, 1928. Vincent subsequently formed The Vincent HRD Company later that year. See also List of motorcycles of the 1920s References Further reading External links Vincent HRD Owners Club HRD History Defunct motorcycle manufacturers of the United Kingdom Defunct motor vehicle manufacturers of England British companies established in 1924 Vehicle manufacturing companies established in 1924 Vehicle manufacturing companies disestablished in 1928 1924 establishments in England 1928 disestablishments in England British companies disestablished in 1928