Alternator Conundrum

Jan 16, 2006 2 Replies

Some time ago my alternator packed up on my 110 3.5 V8 and all I could get in a hurry was a 2nd hand one off a 3.5 V8 Disco. The only problem was that it was the wrong hand and had stud connection rather than spade - no problem, swivel the end plates and put ring crimps on.



The problem is that it has packed up again and I have bought a recon alternator for a 110 V8 only to find that the shaft is different. The one off the disco is smaller and has a Woodruff key, so neither the fan or the pulley will fit. My question is whether the standard 110 V8 is like the Disco one (i.e. has a smaller shaft and a key) so that I have to take the alternator back, or whether I just need to go and get a new 110 V8 fan and pulley to fit on the new alternator?


On or around Mon, 16 Jan 2006 02:08:00 -0000, "Bob Miller" enlightened us thusly:

depends which model alternator.

The later ones are larger shaft and no key - A127-80, A133-100 and suchlike numbers. Earlier ones have the key as you describe.

do you still have the original one that packed up?

You know how it is - this tatty old alternator's been hanging around for ages, cluttering the place up, so just before Christmas I have a sort out! However I asked if they had an earlier type in the motor factors and explained, and hey presto, a box full of fans and pulleys from the exchange ones that come back - FoC as well! Thanks for the info Austin, it told me what to ask for.

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