TheSamba.com Forums
 
  View original topic: Crank Pulley Years/Models
crofty Wed Dec 10, 2025 9:28 am

I looked but didnt see any threads aboutthis (though i thought id seen one before).
Is there a list of crank pulleys and the years they were used?

Eric&Barb Wed Dec 10, 2025 10:41 am

Not quite what you are looking for, but a start:


crofty Wed Dec 10, 2025 11:56 am

Thanks.

I found a "B" pulley and was curious what its from. I usually only use a "D" or Berg and Santana.

Eric&Barb Wed Dec 10, 2025 12:29 pm

More from beginning of 1961 model year onward.







Edit, removed one of the above due to turned out to be type 3 info.

Eric&Barb Wed Dec 10, 2025 12:36 pm

crofty wrote: Thanks.

I found a "B" pulley and was curious what its from. I usually only use a "D" or Berg and Santana.

Interesting!! Is there any measurable difference between the "B" and the "D"?? Can not remember seeing a "B" stamped pulley.

The below crankshaft pulley info from the type 1 parts manual on the "Obsolete Air-Cooled Documentation Project" thru the "Upcoming" button for the time being at the top of that webpage.




crofty Wed Dec 10, 2025 1:22 pm

Eric&Barb wrote: crofty wrote: Thanks.

I found a "B" pulley and was curious what its from. I usually only use a "D" or Berg and Santana.

Interesting!! Is there any measurable difference between the "B" and the "D"?? Can not remember seeing a "B" stamped pulley.

The below crankshaft pulley info from the type 1 parts manual on the "Obsolete Air-Cooled Documentation Project" thru the "Upcoming" button for the time being at the top of that webpage.





Ill have to look when i get home. it doesnt look like a D pulley. the stamping is different and there is no dimple for TDC.

crofty Wed Dec 10, 2025 7:46 pm



Maybe a 36hp?

Eric&Barb Wed Dec 10, 2025 8:11 pm

crofty wrote: Maybe a 36hp?

Definitely with having the spot welds.

https://www.thesamba.com/vw/forum/viewtopic.php?p=10264770&highlight=#10264770


von_hansel Thu Dec 11, 2025 5:59 pm

Can someone tell me the diameter size of the HO (1966-1967) pulley that is correct for a 1500?

I have a pulley that is 7 inches and has TDC, 7.5, and 10. I think it's the 68-70 style, however Its hard to tell from the images that Eric&Barb posted.

Eric&Barb Thu Dec 11, 2025 6:20 pm

von_hansel wrote: Can someone tell me the diameter size of the HO (1966-1967) pulley that is correct for a 1500?

I have a pulley that is 7 inches and has TDC, 7.5, and 10. I think it's the 68-70 style, however Its hard to tell from the images that Eric&Barb posted.

7" diameter was originally for DH cooling system, so 1971 bus and 1971 beetle thru end of production in Germany.

More info here:

https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0

von_hansel Fri Dec 12, 2025 7:38 am

Thank you for the quick response and the clarification.

Stocknazi Fri Dec 12, 2025 8:30 am

Eric&Barb wrote: Not quite what you are looking for, but a start:

Is there a chart that has been posted that has the diameter sizes for the individual pulleys?

Eric&Barb Fri Dec 12, 2025 12:13 pm

Stocknazi wrote: Is there a chart that has been posted that has the diameter sizes for the individual pulleys?

Not that we know of. Biggest problem with just making a chart is that none of the part numbers in the parts manuals lists pulley size.

Should mention that there is another 7" pulley that might have been a 1967 type 1 item or hotter climate aftermarket item, but not sure about that. Personally never dealt with this pulley till the early 1990s when a VW shop owner offered to get one for our bus for better cooling. Was a Brazilian VW factory made item from what we heard. Got the pulley and when installing found that the fit to the crankshaft was about .050 too big. So went with the German DH pulley instead, and hand machined it for a slip on fit to the crankshaft.

It looks like this:



The 1971 and later DH pulley looks like all the rest of the German post-1960 crankshaft pulleys with the radial stiffening lines pressed into it. Image from our 1960 walk thru panel camper conversion with non-stock 1641cc SP engine and CW crankshaft:



Another image from TS gallery:



More interesting VW literature on pulley sizes:

https://www.thesamba.com/vw/forum/viewtopic.php?t=799295&highlight=pulley+size

Eric&Barb Fri Dec 12, 2025 9:23 pm

von_hansel wrote: Thank you for the quick response and the clarification.

No problem, but looked deeper into this thread:

https://www.thesamba.com/vw/forum/viewtopic.php?t=799295&highlight=pulley+size

Shows this image from official VW literature:



So looks like for 1966-67 model years the 170mm diameter crankshaft pulley was used. That will have the radial stiffening grooves in it. Like the below image from the 1967 bus model year owner manual:



Before that the non-DH 177mm diameter pulley was used from start of 1500cc bus production in 1963 model year to end of 1965 model year. Then again started to use same non-DH 177mm diameter pulley for the 1968 bus model year. The image below from the Nov1964 bus owner manual shows that pulley:


Eric&Barb Sat Dec 13, 2025 11:16 am

Even though the 170mm was stock for the 1966-67 bus, would run a 177mm diameter DH pulley instead. That way your engine will get a little more cooling in your bus for longer lasting engine. If you look for a bit, you should be able to find one of the DH pulleys without the "D" stamped on it, and no one will notice the 3.5mm larger radius.

von_hansel Thu Dec 18, 2025 7:50 am

I can confirm that '66-'67 is 170mm with two timing marks and no letter on it.



Powered by phpBB © 2001, 2005 phpBB Group