The Quincy QT Pro 15 HP produces 51 CFM at 175 PSI while the pump operates at just 923 RPM—a notably slow speed for a reciprocating compressor with this output. Instead of relying on high shaft speed to produce airflow, the four-cylinder, splash-lubricated cast-iron pump uses greater displacement, helping reduce the number of piston cycles accumulated during continuous operation. Quincy rates the pump for more than 50,000 hours, while an industrial Baldor motor provides the drive on 208V three-phase power with a 100% duty rating.
The low pump speed has practical benefits beyond longevity. Fewer piston cycles mean less repeated movement between the rings and cylinder walls, while the slower operation also helps reduce heat and vibration compared with a faster-running pump. The QT Pro is also designed for oil carry-over below 5 PPM, helping keep compressed air cleaner for downstream equipment and applications where oil contamination is a concern. A fin-and-tube intercooler controls temperature between compression stages, while stainless steel reed valves, cast-iron cylinders, and an aluminum head complete the two-stage pump assembly.
For day-to-day operation, the compressor includes a factory-fitted magnetic starter with thermal overload protection, along with a low-oil shut-off and oil sight glass for straightforward monitoring. The unit is built around a 120-gallon horizontal receiver and uses a 1-inch air outlet for connection to the shop's compressed-air piping. With its combination of slow pump speed, high output, low oil carry-over, and continuous-duty design, the QT Pro 15 HP is suited to automotive service shops, fabrication facilities, tire and truck operations, and professional shops that need sustained compressed air from a single receiver.
What Slow Actually Buys
The QT Pro uses a slow-speed four-cylinder pump, reducing piston wear, heat and vibration compared with higher-speed designs. It also produces a lower-frequency, quieter sound, making it better suited to continuous shop use.
Cleaner Compressed Air
The pump is rated for less than 5 PPM oil carry-over, helping protect paint finishes, pneumatic tools and downstream piping.
Other features include:
- Cast-iron cylinders with aluminum head
- Stainless steel reed valves
- Fin-and-tube intercooler
- Magnetic starter with thermal overload
- Low-oil shut-off
- Oil sight glass
Will It Fit?
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Receiver: 120-gallon horizontal
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Dimensions: 78" L × 28" W × 55" H
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Weight: 995 lbs
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Outlet: 1"
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Power: 208V, 3-phase
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Starter: Magnetic starter included
Perfect For
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Automotive and fabrication shops running multiple stations.
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Tire and truck service using high-demand impact tools.
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Body and refinishing shops needing low oil carry-over.
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Shops adding a second compressor for long-term capacity.
What Arrives
The assembled package includes the four-cylinder cast-iron two-stage pump, Baldor motor, horizontal receiver, magnetic starter, oil sight glass, low-oil shut-off and intercooler.
Oil, hoses, filtration, dryers, regulators and isolation valves are not listed as included. The Quincy EWK-5 Maintenance Kit is also sold separately and may be required for the extended warranty.
Specifications
| Motor |
15 HP industrial-duty Baldor, 208V, 3-phase, magnetic starter fitted |
| Pump speed |
923 RPM |
| Delivery |
51 CFM at 175 PSI |
| Duty |
100% continuous |
| Pump |
Two-stage, four-cylinder cast iron with aluminum head, splash lubricated |
| Air quality |
Oil carry-over below 5 PPM |
| Receiver |
120 gallons, horizontal, 1-inch outlet |
| Dimensions |
78 inches long, 28 inches wide, 55 inches high |
| Weight |
995 lbs |
Certification, Stated Plainly
This compressor carries ASME, UL and CSA marks. The ASME certification applies to the pressure vessel/receiver, while the electrical marks apply to the motor and controls.
These certifications do not replace local permits or required pressure-vessel inspections. Confirm your local requirements before installation.
Shipping & Delivery
Ships by freight to the lower 48 states, with shipping calculated at checkout.
Arrange a forklift, loading dock or telehandler, or choose terminal pickup. Residential deliveries incur an additional fee.
Inspect the shipment before signing and record any damage on the bill of lading while the driver is present.
Warranty
Includes a 1-year factory warranty on parts and labor. Coverage can be extended by registering the unit with Quincy and purchasing the EWK-5 Maintenance Kit at the time of purchase, with extended pump coverage and 3-year “No Bull” protection with on-site service.
Warranty Details
