Re: Melbourne 82 class

[Stephen Molloy <c501@diesel.net.au>]

Aus loco discussion mailing list

"an 81 class is rated at 3300hp where as an 82 is only rated at 3000hp"

Is this correct ??  An 81 class has 2461kw (3300hp), of which 2237kw
(2999hp) is available for traction ( the other 300hp being used to run
auxiliary equip).  An 81 is fitted with  a 16-645E3B.  A DL (which is older
than an 82) is fitted with a 12-710G3 , which i think is the same engine
fitted to 82's.  A DL is reated at 2424kw (3250hp), or 2259kw (3029 hp)
available for traction.   Unless the 82 has been down rated (which i doubt)
then this puts the 82 at 30 hp more for traction above the 81.  I have
always been lead to believe that 81's were better pullers than 82's (and
better than V/Line G's for that matter).

I think the above statement refers to the 81's gross power output, where as
the 82 figure reflectd the tractive figure.
Maybe somebody else can help with exact figures for the 82..l can't seem to
find them

Stephen Molloy


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