Quincy · QGS · SINGLE-STAGE ROTARY SCREW
🇮🇹

QGS-20

20 HP · Floor · 100% duty · electric · oil-injected · 1-stage
AVERAGE PRICE
$16,948
1 retailer

Quincy QGS-20 is a 20 HP fixed-speed oil-injected rotary screw air compressor delivering 82.2 SCFM at 125 PSI on a 120-gallon horizontal receiver, running 208-230/460V three-phase at 100% continuous duty. Sound output is 67 dBA inside a low-sound enclosure. Package weight: 1,184 lbs (TM, no dryer) or 1,296 lbs (TMD, with integrated 39 F dewpoint refrigerated air dryer). Dimensions 75 x 31 x 72 inches. Includes Wye-Delta starter, TEFC drive motor, Infologic2 Connect Controller with remote monitoring, and 8,000-hour synthetic lubricant. True Blue warranty: 5 years on airend, drive motor, heat exchanger, and separator tank with authorized startup and Quincy Genuine Parts. Made in the USA.

HP
20
CFM
84 @ 125 PSI
Duty
100% continuous
Tank size
120 gal
Air output per horsepowerAirflow per motor HP
4.20CFM/HP
Poor 2.8Typical 3.15Good 3.5
Isentropic efficiencyClass median · 1-stage rotary screw
75%
Poor <50Good 70Best 92
Price per cubic foot · minuteVerified retailer price
$202$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages1-stage screw
Cylinder
Pump RPM
Lubricationoil-injected
Oil
Sump
Pump life
Pump material
Head material
Intercooler
PERFORMANCE
Catalog CFM84 @ 125 PSI
CFM / HP4.20
Cut-in / out
Tank fill
Est. draw17.6 kW
COST & MAINTENANCE
Electric · yearlyEst. $6,302
Maintenance · yearlyEst. $500
ELECTRICAL & FORM
Serviceelectric
Voltage208-230/460V 3-phase
Amps
Motor
Motor RPM1750 rpm
Control
StarterWye-Delta
Weight893 lb
FormFloor · 120 gal · 175 PSI tank rating
BUILD & ENVIRONMENT
Air outlet1 in NPT
DrainManual ball valve standard
Drain outlet
ASME tankYes
Made in USAYes
Noise
Op. temp40–104 °F
Dimensions75 x 31 x 72 in
Ship weight1184 lb
Warranty

Where this sits in the catalog

Histograms below: highlighted bar marks this unit’s bucket.

Catalog
1655 units
Peer class
42 · 20 HP
Sizing & pricevs. 42 in class
  • SCFM @ 20 HP84cfm
    20median 7892
    +7.7% vs. median
  • Average price$16,948
    $10,318median $17,180$25k
    -1.4% vs. median
Efficiency vs. peersvs. 42 in class
  • CFM per HP4.2cfm/hp
    1median 3.94.6
    +7.7% vs. median
  • Price per CFM$202$/scfm
    $170median $226$1,262
    -10.9% 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.

$16,645$18,111$19,576$21,042avg $18,844today-10d-20d-30d
Compressor World
Mechanic Super Store