The SM 4634 is a heavy-duty Starter Drive (Self Drive) engineered specifically for the GC 1000 series and Bajaj Kubota industrial/commercial engines. Utilizing the robust L.TYPE architecture, this unit features an 8-tooth pinion and a high-density 12-spline internal configuration. It is precision-calibrated for the high-torque, gear-reduction starters required to crank these high-compression diesel engines, ensuring a reliable start in demanding commercial environments.