David Bradley U4G, Model 917-60027, 20" bar, 4.7 cu. in.=77cc, Tillotson HC series carb. gear drive, made 1959-1962.
David Bradley 360, Model 917-60010, 26" bar, 4.7 cu. in=77cc, Tillotson HL-35A carb. gear drive, made 1957.
Haven't been used for at least 25 years but motors turnover, been stored in garage all this time. Carb. kits cost $7 ea. $75 ea.