rlaird Report post Posted January 21, 2018 How much coolant does the 8.9 ISL Cummins engine radiator hold in the 2005 Dutchstar motorhome? Share this post Link to post Share on other sites
wolfe10 Report post Posted January 21, 2018 rlaird, Your chassis maker specs and installs the cooling system. Check with them (Freightliner or Spartan most likely) for system capacity. Share this post Link to post Share on other sites
