ABAC Twin Force 2 HP Portable Air Compressor - 4 Gallon Twin Stack, 135 PSI, 120V Single-Phase

The ABAC Twin Force is a 2 HP portable twin stack air compressor built around a 4 gallon stacked tank set and a 135 PSI maximum working pressure. It runs on a standard 120V household outlet, and the twin stack layout keeps the footprint narrow and the carry handle balanced, so the unit rides easily in a truck bed and tucks into a corner of the shop between jobs. At 53 lbs in a 16 x 19 x 17 in frame it is the largest machine in ABAC's DIY and Contractor Series, and the one built for a full day of work rather than occasional use.

Key specifications

• Model: ABAC Twin Force twin stack (part number 1129741149)
• Motor: 2 HP
• Tank: 4 gallon twin stack
• Maximum pressure: 135 PSI
• Power: 120V / 1-phase / 60 Hz
• Noise level: 72 dBA
• Weight: 53 lbs
• Dimensions: 16 x 19 x 17 in
• Cast iron cylinder, oil lubricated pump, maximum pressure regulator
• Brand: ABAC, part of the Atlas Copco group

What ABAC builds into it

ABAC specifies three things on the Twin Force that separate it from the at-home machines in the same catalog: a solid cast iron cylinder, an oil lubricated pump and a maximum pressure regulator. The cast iron cylinder is the part that matters over a few seasons, because it sheds heat better than an aluminum bore and keeps the pump serviceable, which is why ABAC pairs it with oil lubrication here and reserves oil free pumps for the lighter units in the range. The maximum pressure regulator lets you set tool pressure once and leave it, instead of chasing the gauge every time the tank cycles. ABAC positions the Twin Force and the Power Force together as the professional end of the series, designed for more intense projects rather than occasional light duty.

How it compares

Within the ABAC at-home and contractor range the trade is stored air against weight. The Rollcage runs a 2 gallon tank at 135 PSI and a quiet 62 dBA for 41 lbs, so it wins indoors where noise matters. The Suitcase is the light one at 22 lbs with a 1.6 gallon tank and 120 PSI, and it carries a built-in compartment with a 16 ft air hose and quick disconnect. The XPN Flex drops the tank entirely at 13.5 lbs with a 23 ft built-in hose reel, so it gives air only while the motor is running. The Power Force is the pancake sibling at 6 gallons and 175 PSI, 40 lbs and 77 dBA, so it stores more air at a higher pressure but gives up 5 dBA and the twin stack footprint. The Twin Force sits between them: twice the stored air of the Rollcage, a 2 HP motor and a cast iron oil lubricated pump, at 53 lbs and 72 dBA. Choose it when you are nailing off a deck or hanging drywall all day and the smaller tanks keep falling behind.

Typical applications

ABAC rates the DIY and Contractor Series for inflating, blowing, nailing and stapling, painting and cleaning, and names fence building, drywall installation and general repairs around the house as the jobs it is built for. In practice that covers framing and finish nailing, stapling, trim and repair work, painting, tire and equipment inflation, blow-down and air filter cleaning, and general light air tool work on a punch-list jobsite or in a home garage. The 4 gallon reserve is what buys you working time between pump cycles, which is the difference between a tool that keeps up through a run of fasteners and one that stalls on you.

Air delivery at specific pressures and included accessories are confirmed at order for this configuration, because ABAC does not publish a CFM rating for the DIY and Contractor Series. Call us before you buy if you need those numbers for a particular tool.

Part of ABAC's DIY and Contractor Series from the Atlas Copco group. See the rest of our portable air compressors, or step up to a piston air compressor with a larger receiver when you need continuous air.