DMG Mori DMU 125 FD monoBLOCK

$800,000 - $1,200,000 Updated 2026-03-19

Key Specifications

X Travel

1,335 mm (52.6 in)

Y Travel

1,250 mm (49.2 in)

Z Travel

900 mm (35.4 in)

Max Spindle

15,000 RPM (up to 30,000 RPM optional)

Spindle Taper

SK40 / HSK-A63 (SK50 / HSK-A100 optional)

Tool Capacity

Up to 180 pockets

Overview

The DMG Mori DMU 125 FD monoBLOCK is the flagship mill-turn variant of the monoBLOCK series, delivering the largest work envelope in the lineup at 1,335 x 1,250 x 900 mm (52.6 x 49.2 x 35.4 in) with an integrated DirectDrive rotary table for turning operations. This machine is built for the largest parts that require combined 5-axis milling and turning — heavy aerospace housings, large turbine components, and oversized mold bases with both milled cavities and turned interfaces.

The table handles workpieces up to 1,400 mm (55.1 in) in diameter and 790 mm (31.1 in) tall, with a table load capacity of 2,600 kg (5,732 lb). The FD DirectDrive table delivers up to 5,400 Nm of table torque for complete machining — the highest table torque in the monoBLOCK series, enabling heavy turning operations on large-diameter parts without a dedicated vertical turning lathe.

speedMASTER spindles scale from 15,000 RPM standard up to 30,000 RPM for high-speed finishing. The heavy-duty option delivers 430 Nm of torque through an SK50/HSK-A100 taper. Combined with 5,400 Nm of FD table torque, this creates a formidable mill-turn platform for complete machining of large, complex parts.

The tool magazine expands to 180 pockets. Positioning accuracy is 5 micrometers as standard, with VCS Complete available for volumetric accuracy improvement. The one-piece monoBLOCK casting maintains geometric stability under the combined loads of milling and turning operations.

At this size and capability level, the DMU 125 FD monoBLOCK competes with the Hermle C 62, DMG Mori duoBLOCK FD models, and large horizontal machining centers. It offers the advantage of 5-axis trunnion-table kinematics with integrated mill-turn in a work envelope typically associated with gantry machines. Specs sourced from DMG Mori published data.

Full Specifications

Parameter	Value
X-Axis Travel	1,335 mm (52.6 in)
Y-Axis Travel	1,250 mm (49.2 in)
Z-Axis Travel	900 mm (35.4 in)
B Axis Swivel	-35 to +110 degrees
C Axis Rotation	360 degrees continuous (turning-capable)
Max Spindle Speed	15,000 RPM (up to 30,000 RPM optional)
Spindle Taper	SK40 / HSK-A63 (SK50 / HSK-A100 optional)
Spindle Torque	Up to 430 Nm (317 ft-lb)
Fd Table Torque	Up to 5,400 Nm
Max Workpiece Diameter	1,400 mm (55.1 in)
Max Workpiece Height	790 mm (31.1 in)
Table Load Capacity	2,600 kg (5,732 lb)
Tool Capacity	Up to 180 pockets
Positioning Accuracy	5 µm standard
CNC Control	Siemens Sinumerik ONE / Heidenhain TNC7 (CELOS X)
1335 Mm	52.6 in.
1250 Mm	49.2 in.
900 Mm	35.4 in.
1400 Mm	55.1 in.
790 Mm	31.1 in.
2600 Kg	5732 lbs.
Customer Benefits	User Interface
Customer Benefitsflexible Application Possibilitiesin Process Measurement	Left : Semi-automatic Measurement solution. / Right : Automatic measurement solution.

Specifications sourced from us.dmgmori.com — verified 2026-03-28

Strengths & Limitations

Strengths

5,400 Nm FD table torque is the highest in the monoBLOCK series for heavy turning on large-diameter parts
2,600 kg table load capacity handles the heaviest workpieces in the monoBLOCK range with turning capability
1,335 x 1,250 x 900 mm travel provides work envelope typically requiring gantry-class machines
Spindle range from 15K to 30K RPM with up to 430 Nm covers any mill-turn application
One-piece monoBLOCK casting maintains rigidity and accuracy under combined milling and turning loads
VCS Complete available for volumetric accuracy improvement across the large work envelope

Limitations

Starting at $800K and commonly configured above $950K, this is a major capital commitment
Machine footprint and weight require substantial floor preparation and overhead crane access
At this price point, shops should also evaluate duoBLOCK FD models that offer higher rigidity
DMG Mori service at this machine tier requires specialized technicians; availability varies by region
Lead time on new orders can be 12-18 months depending on configuration

Best For

Aerospace OEMs machining large structural components with both 5-axis contours and turned interfaces Energy sector manufacturers producing large turbine casings, pump bodies, and valve assemblies requiring mill-turn Large mold shops working with heavy bases requiring turned guides and milled cavities in a single setup Defense manufacturers producing large precision components with combined mill-turn features Shops needing the largest monoBLOCK work envelope with complete machining capability

Frequently Asked Questions

01 What does a DMG Mori DMU 125 FD monoBLOCK cost?

New DMU 125 FD monoBLOCK machines price between $800,000 and $1,200,000 depending on spindle, control, and tool magazine configuration. The FD option adds $60,000-$100,000 over the standard DMU 125 monoBLOCK.

02 How does the 5,400 Nm table torque compare to duoBLOCK FD models?

The 5,400 Nm is among the highest in the DMG Mori 5-axis lineup. The larger duoBLOCK FD models offer comparable torque with higher rigidity through the split-column design. The monoBLOCK FD provides high torque at a lower price point with a more compact footprint.

03 Should I choose the DMU 125 FD monoBLOCK or the DMU 125 P FD duoBLOCK?

The duoBLOCK offers higher rigidity for aggressive roughing in titanium, HSK-A100 powerMASTER spindle at 1,000 Nm, and 453-tool magazine. The monoBLOCK FD offers higher table torque (5,400 vs typical duoBLOCK values), lower cost, and a wider spindle range up to 30K RPM. Choose duoBLOCK for raw rigidity; monoBLOCK for versatility and FD table torque.

04 What turning operations can the 5,400 Nm table handle?

5,400 Nm enables heavy facing, deep boring, and cylindrical turning on parts up to 1,400 mm in diameter. This is sufficient for interrupted cuts in cast iron and steel, contour turning in aluminum, and medium-duty turning in titanium on large-diameter parts.