Monitor pump fly wheel

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Jim Corcoran
Posts: 339
Joined: Fri Dec 21, 2018 7:32 am
Location: Austin, Texas

Monitor pump fly wheel

Post by Jim Corcoran »

Any chance anyone has a usable V-belt flywheel (or flat belt) like this one for sale? It came off a Monitor ZA. It's 12" O.D. and is for a 1.25" shaft. Thanks in advance.
ZA flywheel_1.jpg
ZA flywheel_2.jpg
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Last edited by Jim Corcoran on Wed Jul 15, 2026 9:43 am, edited 1 time in total.
" You need to get at least 30 miles out of Austin before you're firmly back in Texas."
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Jim Corcoran
Posts: 339
Joined: Fri Dec 21, 2018 7:32 am
Location: Austin, Texas

Re: Dempster pump fly wheel

Post by Jim Corcoran »

Still in need of a good usable flywheel for my Baker Monitor ZA pumpjack. While my preference is for the sheet metal V-Belt, I can also use the cast flat belt version. As always any help is greatly appreciated.
Flat belt_1.jpg
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" You need to get at least 30 miles out of Austin before you're firmly back in Texas."
Gregg
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Joined: Sat Dec 15, 2018 9:14 am
Location: Stratford, Iowa

Re: Monitor pump fly wheel

Post by Gregg »

Jim, I was thinking maybe an old combine or swather might have a sheet metal pulley like you pictured.??
Tractor Supply and probably other farm supply stores offer a brand called "Weasler" in 12 inch. They have different size shaft hubs that can be welded in the pulley.
Gregg
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Jim Corcoran
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Joined: Fri Dec 21, 2018 7:32 am
Location: Austin, Texas

Re: Monitor pump fly wheel

Post by Jim Corcoran »

Gregg,
Thanks. I haven't checked Tractor Supply but will. I've found several sources for a 12" v-belt pulley but they don't have a bore greater than 1". I'll keep looking.
" You need to get at least 30 miles out of Austin before you're firmly back in Texas."
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