A welcome innovation in truck engine starter technology has been the introduction of reductiongearing starters capable of cranking diesel engines up to 16 liters displacement. This is good news for truck technicians familiar with struggling with the weight of a 42MT starter. This new generation of heavy-duty starters includes the Delco-Remy 29MT, 38MT, and 39MT. The 39MT has the appearance and weight of the starter motor used on a typical automobile but effortlessly cranks a 15-liter Cummins ISX engine.
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