Quincy Air Compressor 4103D12VCB20M QT Max 10 HP 120 Gallon Two Stage 208V 3 Phase

The QT MAX 10 HP is a two-stage reciprocating compressor designed to deliver 35 CFM at 175 PSI while addressing one of the biggest problems with compressed air: moisture. Its built-in air-cooled aftercooler removes heat from the discharge air before it enters the receiver, helping more moisture condense at the machine instead of inside your shop piping and tools. The package uses a splash-lubricated cast-iron pump on a 120-gallon vertical ASME tank, with a factory-fitted magnetic starter and 208V, 3-phase power.

The aftercooler works alongside a high-efficiency finned intercooler between the two compression stages. The intercooler reduces the temperature of the air before the second stage, while the aftercooler cools the finished compressed air before storage. That means less moisture reaches your downstream equipment and less water for your filters or dryer to handle. The 120-gallon receiver also provides stored air for short periods of higher demand, helping the compressor handle multiple tools without constantly cycling.

This compressor is a practical fit for busy automotive service shops, fabrication operations, and other commercial applications using impact tools, sanders, blast equipment or spray equipment. Its vertical configuration keeps the floor footprint relatively compact at roughly 40" × 30", although the approximately 75" overall height and 1,000 lb weight require careful planning. Allow sufficient clearance around the tank and cooling components for airflow and routine maintenance.

One detail to confirm before ordering is the automatic electronic tank drain. The available product information conflicts: some published details list an automatic drain while the specification field says it is not fitted. If automatic condensate removal is important to your installation, contact us and we will confirm the configuration for your exact unit. Electrical installation and circuit sizing should be handled by a certified electrician based on your site's requirements.

Two things to confirm before ordering

The model code. Two model numbers appear in the published information: 4103D12VCB20M in the title, description and specifications, and 2103D12VCB20M in the page URL. Send us the code on your quote or purchase order and we will confirm the correct build with the manufacturer.

The automatic tank drain. The feature list and description say an automatic electronic drain is included, while the specification field says it is not. If the automatic drain is important to you, ask us to confirm it in writing before ordering.

Why the aftercooler matters

The aftercooler cools compressed air before it enters the receiver. As the air cools, moisture condenses in the tank instead of your air lines, reducing the load on downstream filters and dryers and delivering drier air to tools and spray equipment.

A finned intercooler performs a different job between the compression stages. It cools the air before the second stage, reducing compression work and operating temperatures while helping extend valve life. Together, the two cooling systems improve efficiency and moisture control.

Sizing, siting and power

At 35 CFM and 175 PSI, this compressor can support multiple air-consuming tools, while the 120-gallon receiver helps handle demand peaks and reduce short cycling.

The vertical unit measures approximately 40" × 30" × 75" and weighs 1,000 lbs. Check ceiling height, doorways and the entire delivery route before ordering. Install it on a level, solid surface with adequate clearance for cooling airflow and routine service.

Power is 208V, 3-phase. A factory-installed magnetic starter provides thermal overload protection. Quincy does not specify a breaker size; a certified electrician should size the circuit based on run length and local code.

Specifications

Perfect For

• Paint and body shops, where moisture can ruin finishes and create rework.
• Blasting and cabinet work, where damp air can cause media problems.
• Multi-bay service shops needing reliable 35 CFM output.
• Humid climates, where effective aftercooling and moisture control are especially valuable.

What's In The Box

The factory-assembled package includes the two-stage pump, motor, belt drive and guard, 120-gallon vertical receiver, aftercooler, intercooler, magnetic starter, low-oil cutoff and oil sight glass.

The buyer supplies the electrical feed and disconnect, downstream piping, additional filtration or drying, isolation pads and initial oil service. The EWK-4 Maintenance Kit is sold separately and is required for the extended warranty option. No air dryer is included.

Certification, stated honestly

Quincy's specifications list an ASME tank with UL and CSA marks. These certifications apply to the equipment itself, not to the installation.

Your electrician is responsible for ensuring the feeder, disconnect, protection and ventilation meet local requirements. If your insurer or local authority requires additional documentation, ask us before ordering so we can obtain it from the manufacturer.

Shipping and Delivery

This compressor ships by freight to the lower 48 states, with shipping calculated at checkout based on your ZIP code. Residential deliveries may incur an additional fee. Commercial delivery with a dock or forklift, or terminal pickup, may be more practical.

At approximately 1,000 lbs, the unit requires suitable unloading equipment. Inspect the crate and compressor before signing and document any damage on the bill of lading while the driver is present.

Warranty

The compressor includes a 1-year factory warranty. Quincy also offers extended coverage when the EWK-4 Maintenance Kit is purchased with the compressor and the unit is registered within the required period. Current terms should be confirmed before purchase.