Champion · HR Duplex · TWO-STAGE PISTON

HR7D-12

7.50 HP · Horizontal · electric · oil-lubricated · 2-stage
AVERAGE PRICE
$12,979
5 retailers · in stock
Champion HR7D-12

Champion HR7D-12 is a 7.5 HP duplex two-stage reciprocating air compressor on a 120-gallon horizontal ASME tank, delivering 51.2 SCFM at 175 PSI, wired for 208/230/460V single- or three-phase. The duplex configuration pairs two R30 cast-iron splash-lubricated pumps on a shared tank, providing lead-lag operation for continuous production environments. At 1,305 lbs. Suited for automotive shops, body shops, and manufacturing cells requiring continuous two-pump air supply. Note: may also appear under Gardner Denver branding. Confirm final output and electrical specs against Champion HR7D-12 duplex datasheet.

HP
7.50
CFM
51.2 @ 175 PSI
Duty
continuous
Tank size
120 gal
Air output per horsepowerAirflow per motor HP
6.83CFM/HP
Poor 2.8Typical 3.15Good 3.5
Isentropic efficiencyClass median · 2-stage piston
67%
Poor <50Good 70Best 92
Price per cubic foot · minuteVerified retailer price
$246$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages2-stage recip
Cylinder
Pump RPM
Lubricationoil-lubricated
Oil
Sump
Pump life
Pump material
Head material
Intercooler
PERFORMANCE
Catalog CFM51.2 @ 175 PSI
CFM / HP6.83
Cut-in / out
Tank fill
Est. draw6.6 kW
COST & MAINTENANCE
Compressor Controller ROI calc · $0.14/kWh · 1920 hr/yr · 70% motor efficiency · HP×1.10 sizing · savings 23–42% of electric
Electric · yearlyEst. $2,363
Maintenance · yearlyEst. $188
Savings with Compressor Controller · yearlyEst. $544–$993
ELECTRICAL & FORM
Serviceelectric
Voltage208/230/460V, 1PH or 3PH
Amps
Motor
Motor RPM
Control
Starter
Weight1305 lb
FormHorizontal · 120 gal
BUILD & ENVIRONMENT
Air outlet
Drain
Drain outlet
ASME tank
Made in USA
Noise
Op. temp
Dimensions
Ship weight
Warranty

Where this sits in the catalog

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

Catalog
1655 units
Peer class
181 · 7.5 HP
Sizing & pricevs. 181 in class
  • SCFM @ 7.5 HP51.2cfm
    20median 2457
    +113.3% vs. median
  • Average price$12,979
    $1,698median $5,117$19k
    +153.7% vs. median
Efficiency vs. peersvs. 181 in class
  • CFM per HP6.83cfm/hp
    2.67median 3.27.65
    +113.3% vs. median
  • Price per CFM$258$/scfm
    $73median $208$632
    +23.3% 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.

$12,546$12,788$13,030$13,271avg $12,979today-10d-20d-30d
www.alltiresupply.com
www.aircompressorcfm.com
www.compressorworld.com
Compressedairadvisors
mechanicsuperstore.com