
McGraw 64858 is a 1.5 HP oil-free direct-drive reciprocating piston compressor delivering 4 SCFM at 90 PSI on a 21-gallon vertical tank, running 120V/14A on a standard 15A branch circuit. Max pressure 175 PSI with cut-in at 135 PSI and cut-out at 175 PSI. Sound output is 77 dB(A). Oil-free pump eliminates maintenance oil changes. Package dimensions 18.5 x 17.75 x 45.5 inches, shipping weight 100.5 lbs. CSA certified. Pump-up time from 0 to 135 PSI is approximately 457 seconds. Regulated outlet max 155 PSI plus or minus 5 PSI. Duty cycle 50%. Distributed by Harbor Freight Tools. Not rated for breathing air per CGA G-7.1. 90-day limited warranty.
Where this sits in the catalog
Histograms below: highlighted bar marks this unit’s bucket.
- Catalog
- 1655 units
- Peer class
- 11 · 1.5 HP
- SCFM @ 1.5 HP4cfm3median 5.110-21.6% vs. median
- Average price$300$135median $1,970$5k-84.8% vs. median
- CFM per HP2.67cfm/hp2median 3.47.27-21.6% vs. median
- Price per CFM$75$/scfm$40median $243$1,272-69.2% vs. median
Price history
Showing the current verified price for each retailer. As the price-tracking worker collects new readings, dots will appear along each line.
Suggest an edit or report a problem
Spot a wrong spec, a broken link, a missing retailer, or anything else? Send a note. Comments are reviewed by editorial — they’re not published.