Description
DENSO 428000-9940 Starter Motor
Heavy-duty 12V planetary gear reduction starter designed for Cummins ISB, QSB, and QSF engines in commercial vehicles and industrial equipment. Built to OE standards for torque, durability, and cold-start reliability.
Technical Specifications
– Voltage: 12V
– Power Rating: 4.8 kW (6.43 HP)
– Rotation: Clockwise
– Gear Type: Planetary Gear Reduction (PLGR)
– Number of Teeth: 10
– Mount Hole ID: 111 mm
– Wet Clutch Seal: Yes
OE Cross-References
– DENSO: 428000-7110, 428000-994
– Cummins: 4996708
– J&N: 410-52436
– Gladiator: S-80569
– Lester: 30483
Fitment Highlights
– Cummins ISB 6.7L (2008–2017)
– Cummins QSB 4.5L / 6.7L (2009–2020)
– Cummins QSF 3.8L (2015–2023)
– Freightliner MT45 / MT55
– Skytrak Handlers 10042, 10054, 12054
Features & Benefits
– Compact high-speed motor with planetary gear for high torque
– Dustproof and waterproof housing
– Oil-less bearing and long-life brush design
– Fusible steel plate for safety
Refer to original manufacture for any applicable warranties.
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