Voltage: 115V / 1 / 60
Voltage Range: 103.5-126
Full load amps: 6.1
Min. Circuit Amps: 6.9
Max Fuse size: 15
Rated Load AMPS: 6.1
Locked rotor amps: 24
Fan motor rating: 4W HP, 18 RLA
Compressor
1/5 HP 24 LRA 4.4 RLA
Compare to:
$1600 https://www.imssupply.com/catalog/altec-air/ua20a-1.html?pid=1929336&cc=MFGD&srsltid=AfmBOopsNaFilLQx5VwqQZXZWlVX-mlx6Ua80rPzN2dSefn5yG5PsbT7
and
$1900 https://schulzproducts.com/product/macair-15-cfm-refrigerated-air-dryer-non-cycling-air-dryer-115v-patriot-series/
Looks like the UA series was actually a cut above the rest: https://www.dowsequipment.com/cm/dpl/downloads/content/76/UA_Series_Catalog.pdf I couldn't find docs for the actual generation this one is from, but seems like it's the same idea.