ABAC ABC7-2180V2 7.5 HP Two-Stage Ironman Air Compressor - 80 Gallon Vertical, 175 PSI, 24 CFM C2 Cast Iron Pump

The ABAC ABC7-2180V2 is the Ironman 7.5 HP built around the larger C2 cast iron pump instead of the C1. Same 7.5 HP motor and the same 80 gallon vertical ASME tank, but the bigger pump turns slower for more air: 24 CFM at a maximum 175 PSI against 21 CFM from the C1 build. If the shop is running more air than a standard 7.5 HP machine keeps up with, this is the step up without moving to 10 HP and the service to feed it. Choose 230V single-phase (ABC7-2180V2), 230V three-phase (ABC7-2380V2), 460V three-phase (ABC7-4380V2), or 575V three-phase (ABC7-5380V2).

Key specifications

• Models: ABC7-2180V2 / ABC7-2380V2 / ABC7-4380V2 / ABC7-5380V2
• Motor: 7.5 HP
• Pump: C2 two-stage, cast iron cylinders
• Air delivery: 24 CFM at max pressure
• Maximum pressure: 175 PSI
• Tank: 80 gallon vertical, ASME tank and safety valves
• Power supply: 230/1/60, 230/3/60, 460/3/60, or 575/3/60
• Belt drive with fully enclosed belt guard
• Dimensions: 25 x 41 x 71 in
• Weight: 694 lbs
• Assembled in the USA

Why the larger pump matters

Air delivery on a piston compressor comes from pump displacement and pump speed, not from the motor badge. The C2 is the bigger of the two Ironman cast iron blocks, so on the same 7.5 HP motor it reaches 24 CFM while turning slower than the C1 does for 21 CFM. Lower pump speed means lower piston speed, less heat and less wear per hour of running, which is the argument for buying displacement rather than RPM. The extra iron shows on the scale: 694 lbs against 622 lbs for the C1 machine, on a slightly wider 25 x 41 in footprint. Two stages handle the rest, compressing in two steps with cooling in between, so 175 PSI arrives without the heat a single-stage pump makes chasing the same pressure. Cooler air carries less moisture downstream and keeps oil in condition longer between changes.

Sizing and how it compares

Size on CFM, not on horsepower. At 24 CFM this machine holds pressure under a continuous duty tool such as a dual action sander, or under two techs on impact tools and blow guns at the same time. On the same 80 gallon vertical platform the ABC7-2180V delivers 21 CFM at 622 lbs, which is enough when tools run in bursts rather than all day. Below that, the 5 HP ABC5-2180V gives 16 CFM on the same tank. Above it, the 10 HP ABC10-23120V steps to 32 CFM on a 120 gallon receiver, which is where to start if a third operator is likely. For this same 24 CFM machine in ABAC's full feature configuration, see the ABC7-2180V2FF.

Typical applications

Busy auto and truck repair shops, tire and fleet service bays, cabinet and woodworking shops, and light fabrication where several air tools run at once and the compressor is expected to keep up through the day rather than catch up between jobs. The 80 gallon reserve smooths demand spikes so the pump is not restarting on every trigger pull, and the vertical layout keeps that reserve in a 25 x 41 in floor footprint.

Power and air quality

Take three-phase power if the panel has it. A three-phase motor starts easier and runs cooler on a compressor that cycles all day, and the 460V build keeps wire size down on a long run. On single-phase, give it a dedicated circuit sized to the motor nameplate and keep the run short. Air leaves any piston compressor hot and saturated, so pair it with a refrigerated air dryer ahead of a paint booth, a plasma table, or any tool line you would rather not run water through.

Part of ABAC's Ironman cast iron range from the Atlas Copco group. See the rest of our 7.5 HP air compressors and the full piston air compressor range.