
Sell your Okuma ACT 4 today.
MTE does not act as a broker, nor do we buy on consignment. We buy machinery and assets outright and arrange the pickup.
- Make
- Okuma
- Model
- ACT 4
- CNC Control
- Fanuc 0T
- Year
- 1991
- Category
- CNC Lathes
- Condition
- Used / Surplus

Jason sets final pricing on the machines MTE buys.
Okuma ACT 4 Specifications
- Swing Over Bed
- 510 mm
- Maximum Turning Diameter
- 240 mm
- Maximum Turning Length
- 500 mm
- Spindle Speed Range
- 50-4000 rpm
- Spindle Nose
- A2-6
- Spindle Bore
- 62 mm
- Turret Stations
- 12
- X-Axis Travel
- 182 mm
- Z-Axis Travel
- 535 mm
- Motor Power
- 15 kW
- Machine Weight
- 3500 kg
- Control Type
- Fanuc 0T
Do you have a Okuma ACT 4 to sell?
We are actively seeking a 1991 OKUMA HOWA ACT 4 Big Bore Lathe. This robust CNC lathe is known for its impressive specifications, which include a swing over bed of 21.25 inches and a standard cutting diameter of 13.77 inches. With a distance between centers of 29.52 inches and a maximum cutting length of 28.74 inches, this model is perfect for a variety of machining tasks. The spindle bore measures 3.03 inches, providing a reliable main spindle nose configured as A2-8 inches, making it suitable for handling larger workpieces with ease. Additionally, the lathe boasts a bar capacity of 2.6 inches and spindle speeds ranging from 35 to 3500 RPM, allowing for versatility across different materials and applications.
The Z-axis travel reaches 29.52 inches, complemented by rapid traverse rates of 472 inches per minute on the X-axis, ensuring efficiency and precision in operations. With a 12-position turret, this lathe is designed for high productivity and flexibility, allowing you to switch tools quickly during machining processes. The tailstock center is MT #5, providing stability for your workpieces, while the accuracy of the cross-section diameter is maintained at 4.72 inches. The machine is equipped with a powerful 30 HP AC motor, ensuring that it can handle demanding workloads without compromising performance. Sellers often choose to part with machines like the OKUMA HOWA ACT 4 for various reasons.
Whether you're upgrading to newer technology, downsizing your operations, or even closing a facility, we understand the importance of getting a fair price for your equipment. If you have a 1991 OKUMA HOWA ACT 4 Big Bore Lathe or similar machinery, don't hesitate to reach out to us. Let's turn your unused equipment into cash today.

Have one to sell?
MTE is the direct buyer, and here is how selling to us works.
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