The SM 5003 is a heavy-duty Self Pinion Assembly designed specifically for the TATA SE (Semi-Forward) truck series. Utilizing the robust L.TYPE architecture, this unit features a 9-tooth pinion and a high-torque 3-spline internal configuration (859 Q specification). It is precision-calibrated for the heavy-duty starters required to crank TATA’s legendary 692 and 697 series diesel engines, ensuring a reliable start for heavy-load haulage and construction vehicles.
SM 5003
Brand: Yessem Grand
Part Type: Starter Drive / Self Pinion Assembly
Design Type: L.TYPE (Heavy Duty Commercial)
Teeth Count: 09T (9 Teeth Pinion)
Spline Count: 03S (3 Spline Internal / 859 Q Spec)
O.E. Reference: 859 Q (Associated with Lucas-TVS series)
Compatibility: * Vehicles: TATA SE 1210, TATA 1312, TATA 1512, and early 1612 series “Full-Forward” and “Semi-Forward” trucks.
Engines: TATA 692 / 697 Naturally Aspirated and Turbocharged diesel engines.
Starter Motors: Optimized for Lucas-TVS Style M50 and related heavy-duty 12V/24V starters.
