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I had it made at a Parker hydraulic shop!

I don’t know what the original pump was rated at, no tags, but it ran with a 5hp motor for 15+years! I pressurized it two nights ago and it sounded ok! The HF pump is noisy though! Way noisier than the old pump! I’ll check the amps next.

Thank you I’ll check it

Haven’t pressurized it yet! Just finished putting it together! I will say that the same motor with a bigger old pump ran for 15 years with a 5” pulley on the motor and a 16.5” pulley on the pump! Why do you ask?

Update: Finally got my compressor up and running! Thank you, everyone for the information and help! I ended up getting a set screw style pulley from McMaster Carr! Also ordered and installed a 184T adjustable base! Work well! Only issue now is that the HF pump is a little louder than I thought...

Looks like HF pump is a 5/8” B pulley belt size! Or can use A! I understand now! Thank you for your help!

I’m going to have to use whatever HF pump pulley belt design is required! Not sure what that is. I’ll have to do some research.

So, this sheave and center bushing will work on a non tapered 1-1/8”shaft?

16.5”-old worn out Dayton pump 5”- old but still good Craftsman motor 16.5”- on the new HF pump 5” -reusing the above old motor! I replaced the original motor that was on the compressor with the above craftsman motor, but I must’ve been running the wrong pulley dimensions this whole time with...

Thank you. I do occasionally run a blast cabinet, sanders, paint gun, etc… so I’d like to take advantage of as much of this setup as possible but also understand it is just a HF Pump I’m going to be using!

1-1/8 motor shaft. Thanks for your response and advice!

16.5” is size that came on the HF pump. Same as what is on my old pump. Is it ok to downsize the HF pump pulley so I don’t have to put as large of a pulley on the motor? I thought maybe balance had something to do with the original pulley on the compressor pump?

I’ve never seen a compressor motor pulley that large? Any idea where the best place to buy one?

Hi, new guy here! I’ve searched the forums and haven’t found an answer to my problem yet! Vintage craftsman 113.12320 5hp 1725 rpm motor on a Wayne 60 gal tank setup. I bought a HF 5hp 1180 rpm 2stage compressor pump because the old 1960’s Dayton Speedaire pump needs rebuild. Problem is when I...