AVERAGE PRICE
$17,841
3 retailers · across retailers

The Schulz SRP-4020E (MPN 970.3903-460) is a 20 HP oil-injected belt-drive rotary screw air compressor delivering 74 SCFM at 125 PSI into a 120-gallon horizontal ASME tank. Runs on 460V three-phase; 100% duty, 69 dB(A), IP55 TEFC motor, 24V microprocessor controller, aftercooler. Dimensions: 58.5″L × 30.3″W × 39.8″H; weight 1,146 lbs. Warranty: 1 year.
HP
20
CFM
74 @ 125 PSI
Duty
100% continuous
Tank size
120 gal
Air output per horsepowerAirflow per motor HP
3.70CFM/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-flooded
Oil—
Sump—
Pump life—
Pump material—
Head material—
Intercooler—
PERFORMANCE
Catalog CFM74 @ 125 PSI
CFM / HP3.70
Cut-in / out100 / 125 PSI
Tank fill—
Est. draw17.6 kW
COST & MAINTENANCE
Electric · yearlyEst. $6,302
Maintenance · yearlyEst. $500
ELECTRICAL & FORM
Serviceelectric
Voltage460V 3-Phase
Amps—
Motor—
Motor RPM—
Control—
Starter—
Weight1146 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
- 42 · 20 HP
Sizing & pricevs. 42 in class
- SCFM @ 20 HP74cfm20median 7892-5.1% vs. median
- Average price$17,841$10,318median $17,180$25k+3.8% vs. median
Efficiency vs. peersvs. 42 in class
- CFM per HP3.7cfm/hp1median 3.94.6-5.1% vs. median
- Price per CFM$288$/scfm$170median $226$1,262+27% 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.
Mechanic Superstore
Air Compressors Direct
Pittsburgh Spray Equipment
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