Bauer · Junior II · 3-STAGE PISTON
🇩🇪Breathing Air

JRII-B

5.50 HP · Portable · 25% duty · Petrol (4.2kW) · oil (splash) · 3-stage
LOWEST PRICE
$4,995
Bauer JRII-B

Bauer JRII-B is a 5.50 HP 3.50 CFM at 5000 PSI 3-stage high-pressure breathing-air compressor with a 0.0-gallon receiver tank, operating at 400. Shipping weight is 101 lb. This unit belongs to the Bauer Junior II series. Suitable for breathing-air, SCBA, and fire-service applications.

HP
5.50
CFM
3.5 @ 5000 PSI
Duty
25% continuous
Tank size
— gal
Air output per horsepowerAirflow per motor HP
0.64CFM/HP
Poor 2.8Typical 3.15Good 3.5
Isentropic efficiencyClass median · 3-stage piston
78%
Poor <50Good 70Best 92
Price per cubic foot · minuteVerified retailer price
$1,427$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages3-stage recip
Cylinder3-cyl · 2.36″ / 0.47″ bore · 0.94″ stroke
Pump RPM2300 rpm
Lubricationoil (splash)
OilBauer compressor oil
Sump—
Pump life40,000 hrs
Pump material—
Head material—
Intercoolerbetween-stage + aftercooler
PERFORMANCE
Catalog CFM3.5 @ 5000 PSI
CFM / HP0.64
Cut-in / out—
Tank fill—
Est. draw4.8 kW
COST & MAINTENANCE
Electric · yearlyEst. $1,733
Maintenance · yearlyEst. $138
ELECTRICAL & FORM
ServicePetrol (4.2kW)
Voltage—
Amps—
Motor—
Motor RPM3600 rpm
Control—
Starter—
Weight101 lb
FormPortable · 6250 PSI tank rating
BUILD & ENVIRONMENT
Air outlet—
Drain—
Drain outlet—
ASME tank—
Made in USA—
Noise97 dBA
Op. temp40–104 °F
Dimensions29 x 16 x 16 in
Ship weight101 lb
Warranty—

Where this sits in the catalog

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

Catalog
1655 units
Peer class
2 · 5.5 HP
Sizing & pricevs. 2 in class
  • SCFM @ 5.5 HP3.5cfm
    3median 68
    -41.2% vs. median
  • Average price$4,995
    $4,995median $8,747$13k
    -42.9% vs. median
Efficiency vs. peersvs. 2 in class
  • CFM per HP0.64cfm/hp
    0.64median 1.531.53
    -58.3% vs. median
  • Price per CFM$1,427$/scfm
    $1,427median $1,488$1,488
    -4.1% vs. median
Where this is soldPricing pending verification