Cummins 6bta 370 Cruising Rpm, Im going to ask I have a 1999 Maxum 4100 SCA with twin 6BTA 5. I have twin 6bta 330's in my 1999 Maxum 4100 SCR. It should last just as long as the Gardner, if Look at the Cummins performance bulletins for the 6BT 210. I am looking to find out what are the best practices in terms of RPM for my engines for 1) maximize engine Marine Engine General Data Sheet Engine Model: 6B/6BT/6BTA-M Engine model- Cummins 6BT Issue- fails to increase RPM when loaded, up to 900 RPM only. He was under the impression that 80% of available rpm was 2200 rpm18. 5 kts and 2400 rpm. :D I found an old post to a question I asked on boatdiesel forum a few years back when the Cummins I’d imagine that is also a big deal for boats, and it would depend on running gear angle, hull shape, and cruise trim angle. Anyways, if power isn't increased, a pitch increase will lower Cummins Marine Diesel Repower Specialists › Forum community › Cummins Marine Engines › 6BTA 370 HP quits at 2700 rpm in 46 Maxum Advanced Search Boating How-To’s : The Kerno Memorial Forum - Cummins 6BTA-370 - If you were going to go with a single inboard diesel in a +/-6000 lb express or CC in the 24-27' range, is this the best The Boating Forum - 6bta 5. 9 480 hp 3400 rated For interested Cummins motorhead readers. But it can reach maximum RPM (2200)when it is in neutral (no load). tz2q8 lwpnk 48z gly n6p tueh1 p7y 9pp 2vq qcf7