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Discussion Starter #1
I picked up a 5660 today and am wondering what the difference is between a 5660 and a 5665. The one I picked up is gravely red, not white.
Thanks for the help.
Jim
 

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Gravelyyard.com
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All but the very early 5000s are all red. About the biggest difference that I know about is that most 5660s have 3 amp charging systems and most 5665 have 15 amp systems. My 5665 has an hour meter and my 5660 does not. It all kind of depends on the year it was made.

Other than that, they are pretty much the same, awesome machines.
 

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Discussion Starter #4
Thanks for the replies. The serial number is 00388770.
It came with a 30" mower, snow plow, and a QH snow blower. That is the piece I am most excited about but it is always great to get a new tractor.
 

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Thanks for the replies. The serial number is 00388770.
It came with a 30" mower, snow plow, and a QH snow blower. That is the piece I am most excited about but it is always great to get a new tractor.
That should be a 1979. Do you have a serial number for the engine too?
 

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It is as old as me then. I will get the serial number tomorrow.
Good to see that another "young guy" is developing the fever. Nice catch with that 5660 - given basic care, that Kohler K-301 might give you a run for the money on lifespan! :fing32:

Keep in mind that some of Gravely's advertising was semantics - they were in the business of selling tractors, of course, and had competition. So they tag something as the "Professional 5665" model to appeal to commercial guys more - give it a different charging system, a gauge or two, different graphics and waalaa... - new tractor.

You've got the same core machine as the rest of the Gravely 12HP tractors, no matter what series # they're badged with. And you happen to have what many people what consider the "high water mark" of what Gravely offered in walk-behinds. They're more user friendly than the Commercial series of machines that preceded them and not encumbered by some of the OSHA mandates that the later Professional series machines had.

So make sure to get over to www.oldgravelys.net for all the free manuals you might need for your tractor - and enjoy her! :fing32::fing32:
 

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Gravely bug bit.
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Good to see that another "young guy" is developing the fever. Nice catch with that 5660 - given basic care, that Kohler K-301 might give you a run for the money on lifespan! :fing32:

Keep in mind that some of Gravely's advertising was semantics - they were in the business of selling tractors, of course, and had competition. So they tag something as the "Professional 5665" model to appeal to commercial guys more - give it a different charging system, a gauge or two, different graphics and waalaa... - new tractor.

You've got the same core machine as the rest of the Gravely 12HP tractors, no matter what series # they're badged with. And you happen to have what many people what consider the "high water mark" of what Gravely offered in walk-behinds. They're more user friendly than the Commercial series of machines that preceded them and not encumbered by some of the OSHA mandates that the later Professional series machines had.

So make sure to get over to www.oldgravelys.net for all the free manuals you might need for your tractor - and enjoy her! :fing32::fing32:
Don't forget, the 5665 came in three models. 5665, 5665 Commercial, and 5665 Professional. A 5665 Commercial is commonly found with an ammeter and many had the remote air cleaner.
 

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Gravelyyard.com
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So, the three 5665 models were early in the life cycle, no? By the time my '87 was produced (probably before that) it seems Gravely dropped such designations entirely as mine is simply labeled "5665." Do you know when these changes occurred?
I believe they were spread over time. The marketing guys always like to have some way to tell last year's models from the "new and improved" this year's models. I don't think there was ever a time when you could walk into a Gravely dealer and pick from a Professional or a Commercial in the same model year.

The only real differences were the engine spec, wires, the decals and the dash.
 

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I believe they were spread over time. The marketing guys always like to have some way to tell last year's models from the "new and improved" this year's models. I don't think there was ever a time when you could walk into a Gravely dealer and pick from a Professional or a Commercial in the same model year.

The only real differences were the engine spec, wires, the decals and the dash.
Commercial and plain overlap. Plain and Professional overlap. Commercial and Professional do not overlap.
 

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Discussion Starter #14
The "fever" has been in development for some time now. The 5660 joined a 16g, 18g, LI, and 2 L's.
 

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most 5660s have 3 amp charging systems and most 5665 have 15 amp systems
Has anyone ever sat down and written a little primer on how to diagnose 3-amp electrical problems -vs- 15 amp electrical problems?

Such as, for instance, the battery not re-charging?
 
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