The SM 4710 is an industrial-grade Starter Drive (Self Drive) engineered for vehicles utilizing the HM+ (High-Mount/Heavy Duty) starter configuration. Utilizing the specialized B.TYPE (Bosch-style) architecture, this unit features a robust 10-tooth pinion and a 10-spline internal configuration. It is precision-calibrated for the high-torque, gear-reduction starters required to crank high-compression diesel engines in rugged commercial and utility applications.