USED HAAS ST45

The Haas ST-45 is a heavy-duty CNC turning center designed for larger, more demanding turning applications where power, rigidity, and versatility are paramount. As part of the ST Series from Haas Automation — one of the most widely adopted CNC lathe platforms worldwide — the ST-45 is engineered to handle larger parts and heavier cuts with exceptional stability. Its rugged cast iron frame, box-way guideways, and high-torque spindle make it suitable for continuous production environments requiring excellent surface finish and dimensional accuracy.

The ST-45 features a large work envelope capable of accommodating long workpieces and sizable diameters, making it a popular choice in industries such as automotive, aerospace, energy, oil & gas, and heavy machinery manufacturing. The machine excels in applications such as large shaft turning, housing machining, and other heavy stock removal tasks. Haas CNC controls provide intuitive conversational programming, full G-code compatibility, USB and Ethernet connectivity, and advanced features like rigid tapping, custom macros, and coordinate systems.

Optional accessories — including chip conveyors, high-pressure coolant systems, probing packages, and live tooling — allow shops to tailor the ST-45 to specific production requirements. Whether used in high-volume production, mixed-model environments, or lights-out machining cells, the ST-45 delivers a balance of size, strength, and usability that helps manufacturers meet tight tolerances and demanding throughput targets.

HAAS ST45 SPECIFICATIONS

WHY BUY USED HAAS ST45

Purchasing a used Haas ST-45 can be a strategic investment for manufacturers who need large-format turning capacity without the higher upfront cost of new equipment. As with most CNC machine tools, the greatest portion of depreciation occurs in the first few years of service. This means that a well-maintained used ST-45 can often be acquired at a significant discount while still offering many years of productive life. Because the ST-45 is built on a fundamentally robust mechanical platform — heavy castings, precision box ways, and high-torque spindle — it ages well when properly cared for.

One of the major advantages of choosing a used ST-45 is Haas Automation’s global ecosystem. Parts, service expertise, technical documentation, and operator familiarity are widely available, reducing downtime and service costs relative to less common machine brands. Many operators already understand the Haas control interface, which accelerates setup and integration when the machine arrives.

A used ST-45 is especially useful in job shops, contract manufacturers, and production facilities that need to expand capacity for larger parts or heavier cuts. Its mechanical strength, combined with optional automation like chip handling or bar feeding, enables high throughput with reduced operator intervention. For shops that want to scale production capability while maintaining financial flexibility, a used ST-45 often represents strong value with a solid return on investment.

HOW MUCH DOES A USED HAAS ST45 COST?

The price of a used Haas ST-45 varies according to age, hours, included options, and market demand, but there are typical ranges that help set expectations. Because the ST-45 is one of Haas’s larger turning centers, pricing for used units tends to be higher than for smaller models like the ST-30 or ST-35. Entry-level used ST-45 machines — older units with higher spindle hours and basic features — can often be found in the $50,000 to $90,000 USD range. These machines may require some servicing or minor refurbishment but still provide substantial turning capacity.

Mid-range used ST-45 machines — generally under 10–12 years old with moderate usage and useful options such as chip conveyors, high-pressure coolant, or upgraded Haas controls — typically trade in the $90,000 to $140,000 USD bracket. These units usually offer immediate production readiness with minimal additional investment, making them appealing for shops expanding capacity quickly.

Low-hour, late-model ST-45 machines equipped with advanced features — such as live tooling, probing packages, automation interfaces, or refurbished spindles — can command $140,000 to $180,000+ USD. Regional demand also influences price: markets with strong manufacturing bases tend to see higher used values. When considering a used ST-45, it’s important to factor in transport, installation, tooling, and any required service work into the total investment to accurately assess value and production readiness.