The Quincy QP Pro 10 HP compressor uses a fully pressure-lubricated two-stage pump, a 460V three-phase motor, and a 120-gallon horizontal receiver rated to 175 PSI. Its defining feature is the high-efficiency fin-and-tube intercooler, which cools the air between compression stages before it enters the second cylinder. A fan-type cast iron flywheel is electronically balanced and shaped to direct cooling air across the intercooler, pump, and heads, helping the compressor manage heat during sustained operation. The result is a 10 HP machine designed around controlled compression temperatures rather than simply higher horsepower.
Interstage cooling reduces the amount of work required from the second cylinder by sending it cooler, denser air after the first compression stage. That translates into lower operating temperatures for the valves and gaskets and helps moisture condense in the receiver instead of traveling farther into the air system. The pressure-lubricated pump adds another layer of durability: an oil pump delivers lubrication to the crankshaft, bearings, and connecting rods from the start of operation, while a spin-on oil filter removes contaminants from the oil circuit. An oil sight glass makes checking the lubrication level straightforward. Proper airflow around the intercooler remains important, since restricted cooling can undermine the thermal advantages of the two-stage design.
This compressor is suited to industrial plants, manufacturing facilities, fabrication shops, fleet operations, and professional workshops with 460V three-phase service and sufficient floor space for a horizontal receiver. The low-profile configuration is approximately 78 inches long, 28 inches wide, and 55 inches tall, making it useful where overhead clearance is limited compared with a vertical compressor. The unit weighs approximately 850 lbs and requires a solid, level installation surface with adequate clearance for cooling and service access. The supplied information does not provide a verified airflow unit for this exact build, so delivered CFM should be confirmed before ordering if airflow is a deciding factor.
Model Code: Confirm Before Ordering
Two model codes appear in our records: 5103DS12HCA46 in the description and specification block, and 3103DS12HCA46 in the page URL and current copy.
We are listing both rather than choosing one. Provide the model code shown on your quote or purchase order, and we will confirm the exact build with the manufacturer before shipment.
Why the Intercooler Matters
Compressing air generates heat. In a two-stage compressor, air is compressed in two steps and cooled between them before entering the second cylinder.
The result is lower interstage temperature, helping reduce thermal stress on valves and gaskets while improving compression efficiency. Cooler compressed air also promotes condensation in the receiver rather than downstream piping.
The intercooler depends on adequate airflow. This model uses a fan-type, electronically balanced cast-iron flywheel to provide cooling airflow, so maintain proper clearance around the compressor during installation.
Pressure Lubrication
The pump uses pressure lubrication, with an oil pump supplying the crankshaft, bearings and connecting rods under pressure.
The system also includes a spin-on oil filter and oil sight glass for straightforward oil-level checks.
CFM: Not Published Until Verified
Our specification record contains a delivered-air figure at 175 PSI, but the stored value does not include a verifiable unit.
Rather than publish an uncertain performance number, we have left the CFM rating out. Contact us before ordering and we will confirm the correct delivered-air figure for this exact build in writing.
Fit & Electrical Requirements
This is a horizontal 120-gallon configuration, approximately:
- 78" L × 28" W × 55" H
- 850 lbs
- 460V, 3-phase
The horizontal design saves overhead clearance but requires substantial floor space. Install on a solid, level surface with adequate clearance for cooling, service and access.
Quincy does not publish a breaker size for this configuration and recommends consulting a qualified electrician. Your electrician should size the conductors, disconnect and protection for the 460V 3-phase supply, run length and local code.
Confirm the electrical requirements before ordering. A compressor configured for one voltage should not be assumed to be field-convertible to another.
Perfect For
- Industrial plants with 460V 3-phase service
-
Long-running applications where thermal management matters
-
Low-clearance facilities that cannot accommodate a vertical receiver
- Operations focused on energy efficiency and sustained performance
This is an industrial installation, not a typical home-workshop compressor. Plan for the required 460V 3-phase electrical service and professional installation.
What's in the Box
Factory-assembled system with:
- Two-stage pump
- Fin-and-tube intercooler
- Fan-type flywheel
- Motor and belt drive
- Belt guard
- 120-gallon horizontal receiver
- Magnetic starter
- Spin-on oil filter
- Oil sight glass
- Warranty documentation
Specifications
| Model |
5103DS12HCA46 (a second code exists in our data - see above) |
| Motor |
10 HP, 460 Volt, 3-phase |
| Maximum pressure |
175 PSI |
| Pump |
Two-stage, belt drive, cast iron cylinders with aluminum head |
| Interstage cooling |
High-efficiency fin-and-tube intercooler |
| Flywheel |
Electronically balanced fan-type cast iron |
| Lubrication |
Fully pressure lubricated, spin-on filter, oil sight glass |
| Tank |
120 gallon, horizontal |
| Tank outlet |
3/4 inch |
| Dimensions |
78 inches long by 28 inches wide by 55 inches tall |
| Weight |
850 lbs |
| Aftercooler and air dryer |
Not fitted |
| Warranty |
1-year factory warranty |
Certification, Stated Honestly
Quincy's certification record lists an ASME tank along with UL and CSA marks for the equipment.
These certifications do not cover your site installation, including the feeder, disconnect, overcurrent protection or room ventilation. If your insurer or authority having jurisdiction requires specific documentation, confirm the requirement before ordering.
Shipping & Delivery
Ships by freight to the lower 48 states, with the rate calculated live at checkout based on your ZIP code. Residential delivery may include an additional fee.
At 850 lbs, plan unloading in advance. A dock, forklift or suitable terminal pickup arrangement is required.
Inspect the compressor before signing. Check the crate, tank, intercooler, pump and motor, and document any damage on the bill of lading with the driver present.
Warranty
Includes a 1-Year factory warranty. Coverage and registration requirements are governed by the Quincy warranty documentation supplied with the machine.
If a problem occurs, contact us before disassembling the equipment. Keep the unit and all components intact, document the condition with photos, and allow the manufacturer to evaluate the failure.
Warranty Details
