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    January 30, 2014
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What are the differences between........

What are the differences between a air compressor rated motor vs a farm duty rated motor? I have a 5hp motor with a 184T frame, single phase, 1740 rpm and its for a Quicy air compressor. Just wondered if you could give me some specifics.
A farm rated motor is designed for high staring torque like a silo unloader to get it started.Then the torque requirements are less..The standred motor has lower starting torque ,but as the compressor builds pressure the torque requirements increase. so it is designed to handle the added load as the compressor increases its pressure drawing less amps So a farm rated motor vs a standred motor with the same pulley will draw higher amperage on the top side of the pressure cycle approx 10-15 % You can use a farm rate on a compressor if you use a drive pulley that is 15-20% smaller in dia if you choose to go that way use a amp meter to measure amps on the top end of the cycle If your top end amps approx 28 are within the guidelines your good to go ..Your pulley will be around 6.5in at 150 psi..
10 months ago
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fieldserman76