275 HP Cummins diesel on a 31' coach
Ok, so our search for the next RV is ongoing and I have expanded it to included the smaller sized DP coaches. Tiffin has a 31' Breeze that has a 275 HP Cummins diesel that produces torque of 560 at ...
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Don't know about the 6.7, but the 5.9 Cummins had a problem with cracking of the Manifold due to heat. In the MH application, the 5.9 units couldn't get proper cooling and caused the Manifold to get hot, warp, crack. That particular setup had the engine torque at 660 ft-lbs. Don't know if the newer 6.7 may have some of the same problems. Hopefully, the manifolds are much improved. I suppose the higher weight Coaches made that engine have to work harder. FWIW.
