Mazak Mega Turn

$250,000 - $600,000 Updated 2026-03-13

Key Specifications

Max Spindle

800-1,250 RPM depending on model

Spindle Power

22-37 kW (30-50 hp)

max turning diameter

500-1,600 mm (19.7-63 in) depending on model

max turning height

500-1,000 mm (19.7-39.4 in) depending on model

max workpiece weight

1,500-5,000+ kg (3,307-11,023+ lb)

spindle torque

2,500-4,000+ Nm

Overview

The Mazak Mega Turn is a vertical turning center (VTL) series built for shops machining large, heavy workpieces that are impractical to swing on horizontal lathes. The vertical spindle orientation uses gravity to seat heavy parts naturally on the chuck, simplifying loading and improving concentricity on large-diameter work without complex fixturing.

The Mega Turn lineup spans multiple sizes from the 500 through the 1600, covering turning diameters from 500 mm (19.7 in) up to 1,600 mm (63 in). Maximum workpiece weights range from 1,500 kg (3,307 lb) on smaller models to over 5,000 kg (11,023 lb) on the largest frames. The main drive delivers up to 37 kW (50 hp) depending on model, with spindle torque exceeding 4,000 Nm for aggressive roughing in cast iron and steel.

Mazak offers the Mega Turn in standard turning-only and M-series milling configurations. The M variants add a milling spindle for drilling, tapping, and contouring, reducing the need to move heavy workpieces to a separate machining center. This done-in-one capability is critical when handling multi-ton parts that require crane loading for every setup change.

The MAZATROL SmoothG CNC provides conversational programming that simplifies setup for complex contours on large parts. The control handles both MAZATROL conversational and EIA/ISO G-code, letting operators choose the fastest path for each job. Rapid traverse rates of 20-24 m/min keep non-cutting time reasonable despite the large axis travels.

Competitors include the Okuma V-series VTLs, DMG Mori CTV series, and Doosan Puma V-series. New Mega Turn machines price between $250,000 and $600,000 depending on size and configuration. Used units from 2012-2022 trade between $100,000 and $350,000. The Mega Turn excels in energy, aerospace, and heavy equipment applications where large-diameter turning is the primary operation.

Full Specifications

Parameter	Value
Max Turning Diameter	500-1,600 mm (19.7-63 in) depending on model
Max Turning Height	500-1,000 mm (19.7-39.4 in) depending on model
Max Workpiece Weight	1,500-5,000+ kg (3,307-11,023+ lb)
Max Spindle Speed	800-1,250 RPM depending on model
Spindle Motor Power	22-37 kW (30-50 hp)
Spindle Torque	2,500-4,000+ Nm
Rapid Traverse X	20-24 m/min
Rapid Traverse Z	20-24 m/min
Turret Type	12-station drum turret
Chuck Size	Φ49.21" to Φ59.06"
Machine Orientation	Vertical spindle
CNC Control	MAZATROL SmoothG CNC
Machine Weight	8,000-18,000 kg depending on model
Milling Option	Available on M variants
Model	1: Diameter
500 500s 500m 500ms	Φ19.69" × H18.11"
600 600s	Φ24.8" × H21.65"
600m 600ms	Φ23.62" × H21.65"
900 900s 900m 900ms	Φ36.22" × H31.5"
1600 1600m	Φ64.96" × H35.43"
Max Machining Diameter	Φ64.96"
Max Machining Height	35.43"

Specifications sourced from mazak.com — verified 2026-03-28

Strengths & Limitations

Strengths

Vertical spindle orientation uses gravity to seat heavy workpieces naturally on the chuck, simplifying loading and improving concentricity without complex fixturing
Series spans 500mm to 1,600mm turning diameters, letting shops select the right frame size without switching platforms or controls
M-series milling variants eliminate secondary operations on heavy parts that require crane loading for every setup change
High spindle torque exceeding 4,000 Nm on larger models enables aggressive roughing in cast iron and steel with high material removal rates
MAZATROL SmoothG conversational CNC simplifies programming for large complex contours and reduces setup time for operators
Open-top design provides excellent crane access for loading and unloading heavy workpieces in production environments
Proven platform with decades of production history in energy, aerospace, and heavy equipment manufacturing

Limitations

Low spindle speeds (800-1,250 RPM max) limit the Mega Turn to large-diameter work and preclude small-diameter high-speed turning
Vertical orientation requires overhead crane infrastructure for loading and unloading, adding facility requirements for shops without existing crane coverage
Machine weights from 8,000 to 18,000 kg require substantial foundation preparation and limit placement flexibility within the shop
Starting at $250,000, the Mega Turn represents a significant capital investment compared to horizontal lathes in the same swing range
Rapid traverse speeds of 20-24 m/min are slower than horizontal lathes, though less impactful given the large parts and long cycle times

Best For

Energy sector manufacturers machining large valve bodies, flanges, pump housings, and pipe fittings in steel and cast iron Aerospace shops turning large landing gear components, engine casings, and structural rings that benefit from vertical loading Heavy equipment manufacturers producing large bearing housings, gearbox components, and hydraulic cylinders from castings and forgings Job shops specializing in large-diameter work that need milling variants to complete parts in a single setup Foundries and forge shops that need a production VTL for finishing large castings and forgings with high material removal rates Wind energy manufacturers machining large bearing races, tower flanges, and generator housings

Frequently Asked Questions

01 What does a new Mazak Mega Turn cost?

New Mega Turn machines range from $250,000 to $600,000 depending on model size and configuration. Smaller 500-series units start lower, while 1600-series machines with milling capability reach the top of the range. Used units from 2012-2022 trade between $100,000 and $350,000.

02 What sizes are available in the Mega Turn series?

The Mega Turn series spans multiple frame sizes from the 500 through the 1600, covering turning diameters from 500 mm up to 1,600 mm. Each size is available in standard turning-only and M-series milling configurations.

03 How do you load parts on the Mega Turn?

Parts are loaded from above using an overhead crane, which is standard in shops machining heavy components. The vertical orientation works with gravity so the workpiece seats naturally into the chuck. For automated production, the Mega Turn can be integrated with gantry loaders or robotic systems.

04 How does the Mega Turn compare to the Okuma V-series?

Both are capable VTL platforms in their respective size ranges. The Mazak offers MAZATROL conversational control that many operators find easier to learn. The Okuma V-series counters with the Thermo-Friendly Concept for thermal stability and the OSP open-architecture control. Choice typically comes down to control preference and dealer support.

05 Can the Mega Turn handle cast iron?

The Mega Turn excels at cast iron machining. High spindle torque and rigid vertical construction support aggressive roughing cuts. The vertical orientation also provides excellent chip evacuation since gravity pulls chips away from the cutting zone naturally.