Anyway, my old compressor must have had the rings give out. It won't build pressure and oil is spitting out the fill hole.
It's a Sanborn Black Max 5HP 2-stage with an 80 gallon tank. It's 18 cfm at 100 psi and 16 cfm at 175 psi.
I replaced the motor exactly 3 years ago with a new A.O. smith true 5 HP. That cost me $350. I replaced the belts at that time as well.
The compressor is 22 years old come February. So the original motor lasted me almost 19 years.
What should I ask for this on Craigslist. I have no idea what it is worth. It seems like with that good motor, I shouldn't just give it away.
If you weren't so far away, I'd want to buy it myself. I have a good 2 stage pump, a "so-so" motor and a rusty tank that I can't trust.
However, since freight would cost almost the price of a new compressor, I guess I'm gonna have to find a new tank for mine and replace the motor when this one croaks.
Selling a non-working compressor for $200.00 probably won't even recoup what you paid for that new 5HP motor.
I'd shop around for a deal on a new pump.
The 3-cylinder pump on my 18.5 CFM usually retails for $400.00, but I found it on sale for 1/2 price.
So a $200 investment in a WORKING compressor might make either a saleable unit or one heckuva "backup" compressor for high-demand applications like sandblasting, etc?
you might try posting it as pieces (with careful camera work)
tank in one add, electric motor in another add, and compressor (needs rings) in another add
see what kind of responses you get, parts are always worth more than the whole
nice compressor room, sweet! i have mine under my stairs, realy cuts the noise level down.]
a non-working compressor on craigslist? it would have to go in the ''free'' section. i'd pull the motor and either sell it for $150-200 or keep it for future reference. and then put the compressor and tank in the free section. around here we put steel to the curb on trash day, the scrappers come by early and pick up all the steel.
I just want to be done quickly so I'm going to stick with just selling at is. I'm just too busy in these next several months to mess with it. So, I would just rather have it out of the way now. I think I will put it on Craigslist this week and ask $200.
"Sanborn Black Max 5HP, 2 stage, 80 gallon air compressor model B51-A22-V80.
Compressor runs normally but slowly quit building air on me and spits a little oil out the oil fill hole. This indicates to me the rings are gone. I needed to get some work done in a hurry so I bought a new compressor and want to sell the Sanborn as is. Parts are available for this compressor (even a complete new pump is available).
This compressor is a true 5HP unlike so many new compressors that inflate the horsepower rating. You just don't see 2 stage, 175 psi compressors at the big box stores anymore. The telling feature is the cfm rating which is 18 cfm at 100 psi on this one.
I replaced the motor with a new AO Smith Century motor exactly 3 years ago. I bought the motor from J & J electric here in San Angelo and it cost me $350 so my price on this entire compressor is worth it for the motor alone.
Fix this compressor up or if you've got a pump then take the motor and/or tank for yours. However, I won't part this out and will take $200 for the entire unit. I've been told that's a real bargain from a couple of people I've mentioned it too.
I have that same unit. It was my grandfathers and was hardly ever used. It works great. Some times it wont kick on when the air runs low so I just go pop the switch with my finger nail. Other then that and a loose belt once its perfect. Need to change the oil in it soon. Not sure what that switch is called. Maybe with some more use it will start working like it should. At any rate it kicks the crap out of my old ch 3 gallon unit lol.
Finally, I got a call from Midland from a guy who knew about these compressors, had some parts from an old one and wanted mine. He paid my asking price of $200.
He picked it up yesterday.
Thanks for your help everybody!
Btw, I love my new 7.5 HP 24cfm Ingersoll Rand. This thing will probably outlast me. It doesn't run near as long as the old one and thus builds less heat and water.
It's a lot quieter and smoother as well.
Thanks and you were exactly right that it would take a while for the holidays to get out of the way.
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