FS-Curtis CA7.5 120G Duplex 7.5(2)HP Ultra Pack Air Compressor #CA7.5-DUP
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| Model / Part Number | CA7.5 Duplex Ultra Pack |
| Horsepower | 7.5 HP (x2, Duplex) |
| Tank | 120 Gallon Horizontal ASME |
| Airflow | 46.4 CFM @ 175 PSI |
| Pressure Range | 175 PSI |
| Warranty | 12 months |
FS-Curtis CA7.5-DUP — 7.5 HP (x2, Duplex) Air Compressor
The busiest 7.5 HP shops need both pump redundancy and the factory-installed air-quality accessories that keep a high-volume operation running without someone manually draining tanks between jobs.
The FS-Curtis CA7.5-DUP is a duplex two-stage reciprocating, ultra pack compressor rated for 7.5 HP (x2, Duplex) with a 120 gallon horizontal ASME tank, built for multi-bay shops and commercial operations that need compressed air on tap all day. The included Ultra Pack — factory-installed automatic tank drain and refrigerated air dryer — cuts down on the maintenance routine so your team spends less time babysitting the compressor and more time on paying work.
Who the CA7.5-DUP Is Built For
- ✅ A high-volume shop running 7.5 HP CA7.5 units that's already had a compressor failure shut down every bay at once, and won't risk that again without a second pump ready to take over
- ✅ Paint and finishing shops at the 7.5 HP tier where moisture in the air line is a real quality problem, needing both redundancy and factory air-quality accessories together
- ✅ A facility manager who's tired of scheduling maintenance downtime around a single compressor and wants one pump serviceable while the other keeps a demanding operation running
- ✅ An operator standardizing on FS-Curtis's top-tier Ultra Pack duplex configuration for the busiest or flagship location in a multi-bay group
- ✅ A shop planning real growth over the next year that would rather buy the fully-equipped duplex Ultra Pack now than upgrade twice as demand increases
What the CA7.5-DUP Is NOT Built For
- ❌ Single-bay or small shops — this is among the most expensive configurations in the CA7.5 line and is overkill for lighter demand
- ❌ Budget-conscious buyers — the base CA7.5-D duplex without Ultra Pack saves meaningfully if the accessories aren't needed yet
- ❌ Shops with limited floor space — the 120-gallon duplex tank has a larger footprint
What Makes the CA7.5-DUP Different
Commercial 2-Stage Pump
The CA7.5-DUP uses an E57 (x2), Cast-Iron, Two-Stage pump built for daily, all-day duty cycles — not a hobby-grade single-stage unit that struggles under continuous shop use.
CFM & Pressure Output
Delivers 46.4 CFM @ 175 PSI and holds pressure up to 175 PSI, enough headroom to run impact wrenches, tire equipment, and paint tools without the tank running dry.
Ultra Pack Upgrades
Includes factory-installed automatic tank drain and refrigerated air dryer — upgrades that reduce maintenance and extend the life of the tank and pump versus a base-model compressor.
Power Requirements
Three-Phase, 230V/460V options available. Confirm your panel and breaker sizing with an electrician before delivery.
- Redundancy + factory accessories
- High-volume commercial shops
- Zero-downtime operations
- Single-bay / small shops
- Budget-first buyers
CA7.5-DUP vs. FS-Curtis CA10-D (10 HP Duplex, No Ultra Pack) — Which Compressor Is Right for Your Shop?
| Decision Point | CA7.5-DUP | FS-Curtis CA10-D (10 HP Duplex, No Ultra Pack) |
|---|---|---|
| Horsepower / Tank | 7.5 HP x2 / 120 Gal | 10 HP x2 / 120 Gal |
| CFM @ 175 PSI | 46.4 CFM | 68.4 CFM |
| Included accessories | Ultra Pack bundle (auto-drain/dryer per FS-Curtis config) | Standard configuration, no bundled accessories |
| Best fit | Shops wanting factory air-quality accessories at the 7.5 HP tier | Shops wanting more raw combined horsepower without the accessory bundle |
Choose the CA7.5-DUP for factory-installed air-quality accessories at a lower combined horsepower (and typically lower running cost). Choose the CA10-D if you want more raw CFM headroom and don't need the Ultra Pack accessories. Both stay inside Alamo’s catalog — call (844) 480-6059.
Full Specifications — CA7.5-DUP
| Model / Part Number | CA7.5 Duplex Ultra Pack |
| Horsepower | 7.5 HP (x2, Duplex) |
| Pump | E57 (x2), Cast-Iron, Two-Stage |
| Configuration | Duplex Two-Stage Reciprocating, Ultra Pack |
| Tank | 120 Gallon Horizontal ASME |
| Airflow | 46.4 CFM @ 175 PSI |
| Pressure Range | 175 PSI |
| Motor / Electrical | Three-Phase, 230V/460V options available |
| Phase / Hz / Voltage |
Single Phase: 1/60/230V (FCA07E57D1U-A2L1XX) Three Phase: 3/60/200-208V (FCA07E57D1U-A9L1XX) 3/60/230V (FCA07E57D1U-A3L1XX) 3/60/460V (FCA07E57D1U-A4L1XX) |
| Ultra Pack Features | factory-installed automatic tank drain and refrigerated air dryer |
| Overall Dimensions | 78" L x 31" W x 53" H |
| Shipping Weight | 995 lbs |
| Warranty | 12 months |
⚠️ Setup Requirements
- Electrical: Three-Phase, 230V/460V options available; have an electrician confirm your panel capacity before delivery.
- Floor space: 78" L x 31" W x 53" H footprint; plan clear access on at least two sides for maintenance and tank drain.
- Ventilation: Locate in a dry, ventilated area away from dust and moisture to protect the pump and tank.
- Weight: 995 lbs shipping weight — confirm your floor/dock can receive and position the unit.
- Setup: Installation is available as a quoted service (piping, electrical tie-in, functional test) — it’s not included in the purchase price. Call (844) 480-6059 for an install quote if you’d like Alamo’s crew to set it up.
FS-Curtis Warranty — CA7.5-DUP
FS-Curtis backs the CA7.5-DUP with a 1-year parts-only warranty.
| Component | Coverage Term |
|---|---|
| Tank & pump | 1 year parts |
| Motor & electrical components | 1 year parts |
| Ultra Pack accessories (auto tank drain, refrigerated air dryer) | 1 year parts |
| Wear items (belts, filters, gaskets) | Not covered (consumable) |
Warranty service is through Alamo Equipment & Service — call (844) 480-6059 instead of waiting on a manufacturer hotline. Coverage is subject to FS-Curtis warranty terms, conditions, and requirements.
Frequently Asked Questions — FS-Curtis CA7.5-DUP
Why Buy the CA7.5-DUP from Alamo Equipment & Service?
- Installation available. Buying online gets you the compressor — piping and electrical tie-in are an extra-charge service. We have the crews to install it and can quote that separately; call (844) 480-6059 for a quote.
- We service it. These compressors need preventative maintenance up to 4x a year per the manufacturer — oil changes, belt and air filter checks, contactor and electrical inspection. Call (844) 480-6059 for maintenance, repairs, or support — and if you ever need warranty work, we register your equipment with the manufacturer and handle the claim directly, so you’re not stuck navigating vendor support on your own.
- We size it with you. 7.5 HP (x2, Duplex), 120 Gallon Horizontal ASME tank, 46.4 CFM @ 175 PSI — we’ll confirm this matches your shop’s actual air draw before you order.
- Free shipping. Ships free to the 48 contiguous states.
- Expert comparison help. Not sure if the CA7.5-DUP or the FS-Curtis CA10-D (10 HP Duplex, No Ultra Pack) is the better fit? We’ll walk you through it.
A shop buying from a pure e-commerce retailer gets a box. A shop buying from Alamo gets a partner.
Shipping Rates and Delivery Estimates: Shipping is FREE to the 48 contiguous United States.
Shipment Processing Time: All orders are processed within [2–3] business days of receipt, excluding weekends and holidays. Orders are not processed or shipped from Friday at 12 pm CST through Sunday or on holidays. During periods of high order volume, shipments may be delayed by a few days. Customers will be notified via email or phone in the event of significant delays.
See the attached document for FS CURTIS WARRANTY