Detroit 8929388 Crankshaft Position Sensor – Series 60 TRS Jacobs Brake Betts 40 Series (B40 plastic

Betts 40 Series (B40 plastic body

Cummins M11 (1990s–early 2000s)

Replaces Cummins 4070801 and 3406889

Mack Pinnacle

Detroit 8929388 Crankshaft Position Sensor – Series 60 TRS Jacobs Brake Betts 40 Series (B40 plasticGenuine Detroit Diesel OEM crankshaft position sensor (8929388), the magnetic pickup Timing Reference Sensor (TRS) used by the DDEC engine controller on Series 60 engines. Reads the timing wheel teeth at the crankshaft to provide the ECM with engine speed and crank position for fuel injection timing and start logic. Replaces or supersedes 08929388, and is cross referenced by PAI 650666 and Interstate McBee A 8929388. Signs You Need a New Crankshaft