Cat 3126E vs. Cat C7 vs. Cat C12
Several motorhomes we're interested in have these various Cat engines. (I'm not trying to avoid Cummins, it just turned out that the coaches we've found had the Cat engine.) The C12 will clearly pro...
Forum Discussion
bluwtr49 wrote:
The C-12 is a great engine and also quite fuel efficient IMHO. We avg 8.5 and that is the average since the engine was born. . . .
Thanks! That's very reassuring. The C12 I'm considering is in the 1999 motorhome, also 40', so I suppose it is a pre-EPA-changes C12, which may help the mileage.
I've done a lot of Googleing on this and have found a lot of comments that the C12 is a very "thirsty" engine. Maybe those have been mostly later models with the changes to meet EPA requirements for emissions, which have hurt fuel economy.
From among the motorhomes we're considering, it's a close judgement call. The cost of operation, including the cost of keeping it fueled, will be a big factor in the final choice.
Wayne
