Where the heck are the coolant drains located on my ISL400?
Cummins ISL400 Coolant Draining Question September 24, 2016, 11:59:07 am Where the heck are the coolant drains located on my ISL400? Quote Selected
Re: Cummins ISL400 Coolant Draining Question Reply #1 – September 24, 2016, 12:19:17 pm I have located two drain petcocks, one in the engine block adjacent to and just aft of the oil filter, and the other in the radiator, bottom right looking at it from curbside. Quote Selected
Topic: Cummins ISL400 Coolant Draining Question