Driven by a belt, an alternator puts
a constant load on an engine, and that hurts efficiency.
The hydraulic pump puts
a constant load on the engine, which lowers fuel economy.
Not exact matches
@P ᴀᴜʟsᴛᴇʀ2 If I rev the
engine without any
loads on the voltage stay
constant, if I rev it with all
loads turned
on it rises.
The 218d Active Tourer's
engine suffers from quite a bit of old - fashioned diesel chatter, both
on a
constant throttle and under
load.