Posted 4/2/2012 22:38 (#2318577 - in reply to #2318520) Subject: Re: cummins 444
Some had trouble staying cool (low flow) but good power. We've had one for 20 years and 400000 with no problems. They do run better with good clean oil. Ours is over 525 hp and very reliable. It's fun to play with all the 475 kittys and detroits.