Here is some information about Standard Twin garden tractors

Average Price:$486 —— Standard Engine Company started production of the Standard Twin tractors in 1934 and we think it ended in 1953. There was several changes over the years. Our 1934 Standard Twin uses a Wico LD 32 magneto and a Tillotson M-15 A carburetor. Standard also used a Wico A32B mag a Wico X mag, and a Fairbanks Morse FMJ 2A39B mag.