Kenworth K104 getting 23% better fuel economy
CAT C15 engine
Eaton Auto shift transmission
B Double (2 trailers)
Runs between Sydney and Brisbane, it does Express freight from Sydney to Brisbane then loads produce back down (heavy one way and light the other)
Initial Fuel economy was 1.70 kms/ltr, it then ended at 2.09kms/ltr.
That is a 23% fuel saving.