Reference Library › Turning Centers & Lathes › LOC650

Reference recordMBB·TURNING-CENTERS-LATHES/OKUMA-LOC650Updated 2026-10-10

Photo: Okuma (manufacturer)

MakeOkuma

ModelLOC650

Machine typeTurning Centers & Lathes

Max Turning DiameterØ25.59 in (Ø650 mm)

Spindle Nose TypeA2-20 [Ø725 flat]

Speed Range5-500 rpm

Speed Range (options / other configurations)5-350 rpm

Standard Power60/50 hp (45/37 kW)

Rapid Traverse X/Z197 / 394 ipm (5 / 10 m/min)

Chuck size, in33"

Capacity — Swing over bed, mm (in.)ø800 (ø31.50)

Capacity — Swing over bed 〈chuck〉, mm (in.)ø1,030 (ø40.55)

Capacity — Distance between centers, mm (in.)1,750 (68.90)

Capacity — Max turning diameter (1ST), mm (in.)ø650 (ø25.59)

Capacity — Max turning diameter (2ST, 2SC), mm (in.)ø500 (ø19.69)

Capacity — Max work length, mm (in.)1,750 (68.90)

X-axis travel — Upper turret, mm (in.)470 〈+330 to -140〉 (18.50 〈+12.99 to -5.51〉)

X-axis travel — Lower turret, mm (in.)270 〈+255 to -15〉 (10.63 〈+10.04 to -0.59〉)

Z-axis travel — Upper turret, mm (in.)2,040 (80.31)

Z-axis travel — Lower turret (2ST), mm (in.)1,425 (56.10)

Z-axis travel — Lower turret (2SC), mm (in.)1,015 (39.96)

Through spindle hole diameter, mm (in.)ø375 (ø14.76)

Spindle front bearing diameter, mm (in.)ø476 (ø18.74)

Turret type — Upper turretV12

Turret type — Lower turretV8

No. of tools — Upper turret12 tools

No. of tools — Lower turret8 tools

Turret — Tool shank height, mm (in.)□38.1 (1.5)

Turret — Boring bar shank diameter, mm (in.)ø63.5 (2.5)

Tailstock quill diameter, mm (in.)ø180 (ø7.09)

Tailstock tapered bore typeMT No.6

Tailstock quill travel, mm (in.)200 (7.87)

Axis drive motors — X axis, kW (hp)Upper and Lower: BL2.8 (4)

Axis drive motors — Z axis, kW (hp)Upper and lower: BL3.5 (5)

Coolant pump motors, kW (hp)0.4 (0.5)

Machine size — Height, mm2,843 (111.93)

Machine size — Floor space, mm3,129 × 7,055 (123.19 × 277.76)

Machine size — Weight (including CNC) (1ST), kg (lb)20,700 (45,540)

Machine size — Weight (including CNC) (2ST), kg (lb)21,800 (47,960)

Machine size — Weight (including CNC) (2SC), kg (lb)23,300 (51,260)

ControlOSP-P300L

Cutting feedrate — X/Z axis (the Okuma brochure prints conflicting values; confirm with Okuma)See manufacturer

📋 Spec data: Detailed (39 fields) · compiled from manufacturer and public sources · reference updated 2026-10-16.
These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.

Okuma

LOC650

Evidence updated 16 October 2026: specifications. How evidence is dated

MBB Model ID MBB-M-VK4RX7 · What is this?

📚 Educational reference — no pricing, not for sale. Independent used-machine research and seller-source discovery are available in our market directory.

Manufacturer videoWatch on YouTube ↗

Single-Pass Threading -- Okuma Oil Coupling ProductionOkuma America Corporation · 1:14 · 2014-06-11

About the Okuma LOC650

The Okuma LOC650 is catalogued under Turning Centers & Lathes in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.

Showroom

Research Okuma LOC650 in the Showroom → — specifications, photos and side-by-side compare.

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Manuals & documents

All Okuma manuals and documentation →

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