ModelEngine displacementPower output (max.)
220391 cc (23.9 cu.in.)10.0 HP at 3,600 rpm
444 (1969-1976)512 cc (31.2 cu.in.)14.0 HP at 3,600 rpm
444 (1977-1985)512 cc (31.2 cu.in.)14.0 HP at 3,600 rpm