AVERAGE PRICE
$23,126
1 retailer
Powerex OTD0756 Oil-Free Duplex Piston (7.5 HP x 2, 240 gal) is a 15.00 HP 56.80 CFM at 100 PSI 1-stage reciprocating compressor with a 240.0-gallon receiver tank, operating at 208/230/460. Shipping weight is 1430 lb. This unit belongs to the Powerex OTD series. Suitable for auto shop, body shop, or light manufacturing.
HP
15
CFM
56.8 @ 100 PSI
Duty
— continuous
Tank size
240 gal
Air output per horsepowerAirflow per motor HP
3.79CFM/HP
Poor 2.8Typical 3.15Good 3.5
Isentropic efficiencyClass median · 1-stage piston
58%
Poor <50Good 70Best 92
Price per cubic foot · minuteVerified retailer price
$407$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages1-stage recip
Cylinder6-cylinder
Pump RPM855 rpm
Lubricationoil-less
OilN/A – oil-free design (no oil contacts air)
Sump—
Pump life30,000 hrs
Pump material—
Head material—
Intercooler—
PERFORMANCE
Catalog CFM56.8 @ 100 PSI
CFM / HP3.79
Cut-in / out90 / 120 PSI
Tank fill—
Est. draw13.2 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. $4,727
Maintenance · yearlyEst. $375
Savings with Compressor Controller · yearlyEst. $1,087–$1,985
ELECTRICAL & FORM
Service—
Voltage208/230/460
Amps—
Motor—
Motor RPM1750 rpm
Controlduplex panel, unloading start, alternation
Startermagnetic with alternator
Weight1430 lb
Form— · 240 gal · 200 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
Dimensions—
Ship weight1430 lb
Warranty36 mo parts
Where this sits in the catalog
Histograms below: highlighted bar marks this unit’s bucket.
- Catalog
- 1655 units
- Peer class
- 83 · 15 HP
Sizing & pricevs. 83 in class
- SCFM @ 15 HP56.8cfm17median 51111+11.4% vs. median
- Average price$23,126$4,621median $9,585$25k+141.3% vs. median
Efficiency vs. peersvs. 83 in class
- CFM per HP3.79cfm/hp1.15median 3.47.44+11.4% vs. median
- Price per CFM$407$/scfm$96median $188$443+116% vs. median
Where this is sold1 verified retailer · USD
Find an installer / dealer near youAuthorized Powerex dealers · search by ZIPPrice history
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Portland Compressor
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