Atlas Air Force AF9-120H Air Compressor
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Description
The Atlas Air Force AF9-120H is a commercial-grade, 7.5 HP two-stage air compressor built for large multi-bay auto shops and industrial operations that depend on their air supply every business day. A 2-cylinder, 2-stage pump turns at a low 1,750 RPM for quieter, cooler operation, and the 120-gallon horizontal steel tank (made in the USA) extends the duty cycle so the compressor recovers between draws instead of short-cycling under heavy demand.
Working pressure sits at 145–175 PSI, with 23 CFM delivered at 90 PSI and 22 CFM at 175 PSI. An Eaton magnetic starter is built in to control electrical input and extend motor life, paired with an industrial Hubbell pressure switch for cycling control. The AF9-120H requires a dedicated 220V single-phase circuit, 40-amp breaker, and #8 wire.
Maintenance is designed to minimize downtime: a hands-free tank drain extension routes condensation out without crawling under the tank, a compressor oil drain extension tube simplifies routine oil changes, and a finned tank inlet tube cools inlet air so water condenses there rather than pooling inside the tank. A heavy-duty metal belt guard protects the belt drive, and a set of vibro-isolation pads is included to dampen running vibration on the shop floor.
Features
- 2-cylinder, 2-stage pump for higher-pressure efficiency than single-stage designs
- 7.5 HP motor at 1,750 RPM — low-speed operation for extremely quiet operation
- 120-gallon horizontal steel tank, made in the USA
- Hubbell industrial pressure switch paired with an Eaton magnetic starter
- Finned tank inlet tube reduces moisture build-up
- Hands-free tank drain extension for easier blowdowns
- Compressor oil drain extension tube for cleaner oil changes
- Heavy-duty metal belt guard protects the drive components
- Vibro-isolation pads included to reduce floor vibration
- Belt-driven reciprocating design
- 3/4" NPT air outlet
Specifications
| Atlas Air Force AF9-120H Specifications | |
|---|---|
| Motor | 7.5 HP running, 1,750 RPM |
| Voltage | 220V, Single-Phase, 40-Amp breaker, #8 wire required |
| Pressure Range | 145–175 PSI |
| Delivered CFM @ 90 PSI | 23 CFM |
| Delivered CFM @ 175 PSI | 22 CFM |
| Tank Capacity | 120 Gallons, Horizontal, Made in the USA |
| Air Outlet Size | 3/4" NPT |
| Pump Configuration | 2-Cylinder, 2-Stage |
| Overall Dimensions | 72" L × 32" W × 52" H |
| Shipping Weight | 980 lbs |
Warranty
1-year parts-only warranty from Atlas Automotive Equipment, effective from the date of shipment.
FAQ
What electrical service does the AF9-120H require?
A dedicated 220V single-phase circuit, a 40-amp breaker, and #8 wire.
How loud is the AF9-120H in daily shop use?
Atlas rates the AF9-120H for extremely quiet operation, helped by the low 1,750 RPM motor speed.
What maintenance features are built in?
A hands-free tank drain extension, a compressor oil drain extension tube, and a finned tank inlet tube that reduces moisture build-up inside the tank.
What's covered under warranty?
Parts are covered for 1 year from the date of shipment.
Documents
Manual and technical documents available on request — contact sales@mygaragesupplies.com or call 307-381-1810.