Okuma Captain L370MY
Key Specifications
Max Turn Length
max turning diameter
main spindle speed
main spindle power
main spindle torque
y axis travel
How much does the Okuma Captain L370MY cost?
Estimated price range
Our best estimate for a cnc lathes / turning center in this class — not a quote from Okuma. Configuration moves it a long way.
Overview
The Okuma Captain L370MY is a CNC lathe listed with an 8 in chuck, a 2 in bar capacity and a 12-station turret under the Okuma OSP-P300L control. It is not on Okuma's current product pages, so anyone reading this is most likely weighing a second-hand machine, and the listed figures below should be checked against the machine's own plate and manual.
On the turning side the listed figures agree about the basics. Swing over the bed is 20.8 in, the chuck is 8 in, bar capacity is 2 in, and a tailstock is listed while a sub-spindle is not. That describes a lathe for bar-fed parts and for shafts supported at the tail end, with any back-face work done as a second operation. Main spindle torque is listed at 595 Nm and rapid traverse at 20 / 24 m/min for X and Z.
The milling side needs a closer look. The table gives a Y-axis travel of ±52.5 mm, a C-axis resolution of 0.001° and a driven tool speed of 4,500 rpm, the equipment of a lathe with driven tools and a Y axis. The same table also has a live tooling row marked No and an axis count of 2. Both cannot be true of one machine, so confirm that the lathe on offer has its driven-tool turret and Y axis before quoting milled features on it.
The envelope and spindle rows disagree in the same way. Maximum turning diameter appears as 620 mm and as 14.5 in, turning length as 1,520 mm and as 20.47 in, spindle speed as 3,500 rpm and as 4,500 RPM, and power as 22 kW (30 hp) and as 20 hp. Treat none of these as settled until measured or read from the nameplate.
Full Specifications
| Parameter | Value |
|---|---|
| Max Turning Diameter | 620 mm |
| Max Turning Length | 1,520 mm |
| Main Spindle Speed | 3,500 rpm |
| Main Spindle Power | 22 kW (30 hp) |
| Main Spindle Torque | 595 Nm |
| Y Axis Travel | ±52.5 mm |
| C Axis Resolution | 0.001° |
| Turret Stations | 12 |
| Driven Tool Speed | 4,500 rpm |
| Rapid Traverse X Z | 20 / 24 m/min |
| CNC Control | Okuma OSP-P300L |
| Size | 8" chuck |
| Swing Over Bed | 20.8" |
| Machining Length | 20.47" |
| Chuck Size | 8" |
| Bar Capacity | 2" |
| Power | 20 hp |
| Max RPM | 4,500 RPM |
| Turning Dia | 14.5" |
| Tailstock | Yes |
| Live Tooling | No |
| Sub Spindle | No |
Specifications sourced from machinetools.com — verified 2026-03-28
Strengths & Limitations
Strengths
- A 12-station turret and the Okuma OSP-P300L control are listed
- 8 in chuck with a 2 in bar capacity for bar-fed work
- A tailstock is listed, for supporting shaft work
- Listed main spindle torque of 595 Nm
- Rows for ±52.5 mm of Y-axis travel, 0.001° C-axis resolution and 4,500 rpm driven tools
Limitations
- No sub-spindle is listed, so second-side work needs a re-chuck or a second operation
- The live tooling row reads No while another row gives a 4,500 rpm driven tool speed; the equipment of a given machine must be confirmed
- Listed turning diameter (620 mm and 14.5 in) and turning length (1,520 mm and 20.47 in) do not agree with each other
- A Y-axis travel of ±52.5 mm limits how far off center a feature can be milled
Best For
Frequently Asked Questions
01
The listed figures point both ways. They include a Y-axis travel of ±52.5 mm, a C-axis resolution of 0.001° and a driven tool speed of 4,500 rpm, but also a live tooling row marked No and an axis count of 2. Inspect the turret and the control's axis display on the actual machine before relying on either.
02
The listed control is the Okuma OSP-P300L. No control options or software packages are given in the listed figures, so check the option list on the machine itself, along with the control model shown on its nameplate.
03
A tailstock is listed and a sub-spindle is not. Shafts can be supported at the tail end, but work on the back face of a part means turning it around in the 8 in chuck or running a second operation.
04
The listed figures give an 8 in chuck and a 2 in bar capacity, with a swing over the bed of 20.8 in. These three rows are consistent with one another, unlike the turning diameter and length rows, and are the safer basis for judging what the machine will hold.
05
The listed figures do not settle it. Turning diameter is given as 620 mm in one row and 14.5 in in another, and turning length as 1,520 mm and as 20.47 in. Measure the machine or read its manual before committing a part that depends on either dimension.
Community Discussions
Links to community discussions. Summaries are editorial — visit the original thread for full context.
More from Okuma
Other CNC Lathes / Turning Centers
Accuway UT-100EY
Johnford ST-200C
Citizen Miyano BNJ-42
Haas ST-30L
Campro VT-350
