
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
- Year
- 1990
- Category
- CNC Turning Centers
- Condition
- Used / Surplus

Jason sets final pricing on the machines MTE buys.
Okuma ACT-4 Specifications
- Max Swing Over Bed
- 21.25"
- Max Swing Over Saddle
- 15.35"
- Max Turning Length
- 28.74"
- Spindle Speeds
- 35-3,500 RPM
- Spindle Drive
- 30 HP
- Number of Steps
- 2 Ranges
- Spindle Nose
- A2-8
- Hole Thru Spindle
- 3.03"
- Hole Thru Draw Tube
- 2.61"
- Turret Capacity
- 12 Stations
- Tailstock
- Yes
- Tailstock Travel
- 18.8"
- Tailstock Quill Diameter / Taper
- #5MT
- Tailstock Quill Travel
- 3.93".
Do you have a Okuma ACT-4 to sell?
We are actively seeking a 1990 Okuma Howa ACT-4 CNC Turning Center to purchase for our inventory. This exceptional vertical CNC turning center features a maximum swing over bed of 21.25 inches and a swing over saddle of 15.35 inches, making it ideal for various machining applications. With a maximum turning length of 28.74 inches, the ACT-4 offers versatility for different workpieces. It is equipped with a robust spindle that operates at speeds ranging from 35 to 3,500 RPM, powered by a 30 HP spindle drive.
This machine boasts a two-range spindle setup, allowing for flexibility in machining operations. The spindle nose is an A2-8 type, facilitating compatibility with a variety of tooling options. Additionally, the hole through spindle measures 3.03 inches, while the hole through the draw tube is 2.61 inches, ensuring efficient chip removal and coolant flow during operations. The turret capacity of 12 stations enables quick tool changes, enhancing productivity.
With a tailstock included, featuring an 18.8-inch travel and a quill diameter/taper of #5MT, along with a quill travel of 3.93 inches, this machine is designed to support heavy-duty applications. If you own an Okuma Howa ACT-4 CNC Turning Center that you are considering selling, we would love to hear from you. Our team at Superior Machine Tools is dedicated to providing top dollar for quality used CNC machines, ensuring a smooth and efficient selling process. Contact us today to discuss your machine and receive a competitive offer!

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