The SM 4827 is an ultra-heavy-duty Starter Drive (Self Drive) engineered specifically for the Caterpillar 42MT series starter motors. Utilizing the robust DEL.TYPE (Delco-style) architecture, this unit features a reinforced 12-tooth pinion and a high-density 19-spline internal configuration. It is precision-calibrated for high-output 24V systems, providing the massive torque necessary to crank large-displacement Caterpillar industrial and marine diesel engines.
SM 4827
Brand: Yessem Grand
Part Type: Starter Drive / Bendix / Pinion Gear
Design Type: DEL.TYPE (Delco-Remy Style Heavy Duty)
Teeth Count: 12T (12 Teeth Pinion)
Spline Count: 19S (19 Spline Internal)
Compatibility: * Equipment: Caterpillar Off-highway Trucks, Large Excavators, Dozers (D8, D9 series), and Marine Engines.
Engines: CAT 3406, 3408, C15, C18, and early 3500 series diesel engines.
Starter Motors: Optimized for Delco-Remy 42MT and 50MT 24V series starters.
