ABAC AS-10503TM 10 HP Rotary Screw Air Compressor - 131 Gallon Tank Mount, 150 PSI, 34.1 CFM, 69 dBA

The ABAC AS-10503TM is the 150 PSI, 131 gallon tank mount build of the 10 HP machine in the AS-B screw range. It delivers 34.1 CFM at a 150 PSI maximum and runs at 69 dBA, quiet enough to sit in the work area instead of a separate compressor room. This is the pressure setting to specify when a tool or a piece of production equipment is rated above a standard 125 PSI line, and it trades 2.3 CFM against the 125 PSI build to get there. The air end and the receiver arrive as one assembled package on a 76 x 24 in footprint, so there is no separate tank to source, set and plumb. At 714 lbs it is the large receiver option in the 10 HP family, the one to buy when demand is intermittent and you want the compressor to run longer and rest longer rather than load and unload all day. Power is 208-230-460V three-phase.

Key specifications

• Model: AS-10503TM (part number 4152043898)
• Motor: 10 HP, energy efficient
• Air delivery: 34.1 CFM
• Maximum working pressure: 150 PSI
• Noise level: 69 dBA
• Mounting: tank mount on a 131 gallon air receiver
• Power supply: 208-230-460/3/60
• Weight: 714 lbs
• Dimensions (L x W x H): 76 x 24 x 63 in
• Eco-friendly vertical oil separation technology
• Digital controller with menu driven access for optimizing operating performance
• Brand: ABAC, part of the Atlas Copco group

Why a screw instead of another piston

A piston compressor builds air in bursts and needs time to cool between them. A rotary screw is rated for continuous duty, so it holds a flat line pressure through a full shift instead of sagging and recovering between jobs. That is the reason shops using air most of the day move off a reciprocating machine that is cycling hard, running hot and filling the room with noise. The AS-B air end limits air loss by design, and ABAC pairs it with an energy efficient motor and a digital controller, so the operating menus and the service intervals sit on the panel rather than on a clipboard. The trade is that a screw dislikes short cycling, which is exactly what the 131 gallon receiver underneath it is there to prevent.

How it compares

Across the AS-B range pressure, airflow, receiver size and mounting all move independently. The AS-10253TM is the identical 714 lb package set for 125 PSI, giving 36.4 CFM if your tools do not actually need the extra pressure. If floor space is the constraint, the AS-10503TM7 carries the same 34.1 CFM on a 71 gallon receiver at 567 lbs. The AS-10503TMD is this same 131 gallon build with a refrigerated dryer already integrated, which saves plumbing a separate dryer in. If you already own a receiver, the AS-10503BM is the bare 419 lb base mount at the same pressure and airflow. Stepping down, the AS-7.5501TM gives 27.1 CFM at 67 dBA on a 131 gallon tank; stepping up, the AS-15503TM carries 46.4 CFM. If noise is the deciding factor, the AS-10S503TM is the quieter 10 HP air end at 65 dBA and 35.6 CFM on the same 150 PSI setting. Buy pressure only to the level your highest tool actually needs, because every step up costs airflow.

Typical applications

Production and fabrication floors, larger automotive and fleet service shops, tire and truck bays, cabinet and woodworking shops, plasma and laser tables, packaging lines, and any operation where a piston compressor is cycling too hard to keep up. The 150 PSI setting matters where a press, a clamping fixture, a truck tire bead seater or an older air tool wants more than a 125 PSI header will give after line losses. At 34.1 CFM it will keep several air ratchets, an orbital sander or a continuous blow off fed through a shift without the line pressure sagging. The 131 gallon receiver stores roughly twice the air of the 71 gallon build, which matters when several bays hit the header at once or when a single large tool draws a short, heavy burst.

What to pair it with

Give the cabinet about 3 feet of clear air on the cooling side, keep it out of a hot corner, and run it on its own circuit sized to the motor nameplate. Oil, oil filter and separator element are the service items, and the digital controller tracks the intervals. Air leaving any screw carries moisture, so if it goes to paint, tires, pneumatic controls or anything that hates water, put a refrigerated dryer behind it. At 34.1 CFM the ABAC COOL 50 gives useful headroom and runs on 115V, so it plugs in beside the compressor without new wiring; the COOL 35 is the minimum size. See the rest of our rotary screw air compressors and the full refrigerated air dryer range. Call us with your tool list and duty cycle and we will confirm receiver sizing, connection sizes and installation clearances before you pipe it in.

CFM measured per ISO 1217 Annex C. Noise measured per ISO 2151:2004 using ISO 9614/2 (sound intensity method).