DMG Mori DMU 125 P

$900,000 - $1,400,000 Updated 2026-03-16

Key Specifications

X Travel

1,250 mm (49.2 in)

Y Travel

1,000 mm (39.4 in)

Z Travel

900 mm (35.4 in)

Max Spindle

15,000 RPM (20,000 RPM optional)

Spindle Taper

HSK-A63

Tool Capacity

60 (120/180 optional)

Overview

The DMG Mori DMU 125 P is a gantry-style 5-axis machining center that addresses the segment between the rotary/tilt-table monoBLOCK machines and the full-scale DMU 200/340 gantry systems. With 1,250 x 1,000 x 900 mm (49.2 x 39.4 x 35.4 in) of travel and a fixed table capable of holding workpieces up to 3,000 kg (6,614 lb), it serves large aerospace structural part manufacturers, heavy mold houses, and energy sector machine shops that regularly work on components that overwhelm rotary/tilt-table machines.

The machine's architecture uses a movable column and bridge (gantry) design rather than a rotary table, which provides a flat, fixed table for heavy or awkwardly shaped workpieces that are difficult to load onto a tilting table. The A/B-axis swiveling spindle head replaces the table-tilt function, providing the ±90 degree or greater angular range needed for full 5-axis simultaneous machining. This approach preserves table rigidity under heavy workpiece loads and simplifies workholding for large castings and weldments.

The standard spindle delivers 37 kW (49.6 hp) at 15,000 RPM through an HSK-A63 taper, with 200 Nm of torque. For shops cutting primarily aluminum aerospace structures, a 20,000 RPM high-speed option is available. For titanium and nickel-alloy work, the 18,000 RPM / 40 kW torqueMASTER spindle is the appropriate choice. Through-spindle coolant at up to 80 bar supports deep-cavity machining with extended tooling.

Control is Siemens Sinumerik One or Heidenhain TNC 640 under CELOS X on a 21.5-inch multi-touch panel. The tool magazine holds 60 tools as standard, expandable to 120 or 180. The DMU 125 P is frequently configured with pallet-change systems or linear pallet pools for high-throughput production of aerospace structural panels and large energy components.

Full Specifications

Parameter	Value
X-Axis Travel	1,250 mm (49.2 in)
Y-Axis Travel	1,000 mm (39.4 in)
Z-Axis Travel	900 mm (35.4 in)
Max Spindle Speed	15,000 RPM (20,000 RPM optional)
Spindle Taper	HSK-A63
Spindle Motor Power	37 kW (49.6 hp)
Spindle Torque	200 Nm
Table Size	1,400 x 1,000 mm (55.1 x 39.4 in)
Table Load Capacity	3,000 kg (6,614 lb)
Swivel Range	A/B-axis ±90°
Rapid Traverse Rate	40 m/min (1,575 ipm)
Tool Capacity	60 (120/180 optional)
Positioning Accuracy	< 0.006 mm (< 6 µm)
Machine Weight	35,000 kg (77,162 lb)
CNC Control	Siemens Sinumerik One / Heidenhain TNC 640 (CELOS X)
134 In	3,400 mm
79 In	2,000 mm
154 In	3,900 mm
77 In	1,960 mm
44092 Lbs	20,000 kg
Customer Benefits	User Interface
Customer Benefitsflexible Application Possibilitiesin Process Measurement	Left : Semi-automatic Measurement solution. / Right : Automatic measurement solution.
15432 Lbs	7,000 kg

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

Strengths & Limitations

Strengths

Fixed gantry table with 3,000 kg capacity handles large castings, weldments, and structural aerospace panels that cannot be tilted on a rotary/tilt-table machine
1,250 x 1,000 x 900 mm envelope covers large structural aerospace parts, heavy mold bases, and energy sector turbine components
Swiveling spindle head provides full 5-axis simultaneous capability without the limitations of rotating a heavy workpiece
Expandable tool magazine (60 to 180 pockets) and linear pallet system options support extended lights-out production

Limitations

Base price near $1 million and fully configured systems at $1.2-1.4 million require a rigorous ROI case; not suitable for general job shop use
35,000 kg machine weight demands a heavy-duty reinforced foundation and typically a pit or low-profile installation arrangement
Machine complexity and size means installation lead times of 3-6 months are typical, including civil preparation and commissioning

Best For

Aerospace tier-1 manufacturers machining large structural panels, fuselage sections, and engine nacelle components from aluminum billet Heavy mold and die shops producing large single-cavity injection molds, die casting dies, and forging dies exceeding 1,000 kg Energy sector machine shops cutting large impellers, turbine housings, and pressure vessel components requiring 5-axis access Defense prime contractors requiring a production-proven 5-axis platform for monolithic structural aluminum and titanium parts

Frequently Asked Questions

01 Why choose a gantry 5-axis like the DMU 125 P over a rotary/tilt-table machine like the DMU 95 monoBLOCK?

The key difference is workpiece handling. Rotary/tilt-table machines (monoBLOCK) tilt the workpiece to achieve 5-axis positioning — this works well for parts under 1,500 kg that fit on the table. The DMU 125 P's fixed table holds up to 3,000 kg of workpiece weight without tilting. This is essential for large castings, heavy mold bases, and structural aerospace parts where the workpiece mass or shape makes tilting impractical or impossible.

02 What is the floor loading requirement for the DMU 125 P?

The machine weighs approximately 35,000 kg. A reinforced concrete foundation designed by a structural engineer is mandatory. Many installations use a recessed pit or a machine foundation pad separate from the main shop floor. DMG Mori's installation engineers provide a site preparation document with specific load requirements. Typical civil preparation time is 6-12 weeks before machine delivery.

03 What industries use the DMU 125 P most frequently?

Aerospace (structural aluminum and titanium parts), power generation (turbine components, large impellers), die and mold (large cavity blocks, forging dies), and defense are the primary markets. Automotive press tooling manufacturers also use this class of machine for large stamping die components.

04 Can the DMU 125 P be integrated with a pallet management system?

Yes. DMG Mori offers linear pallet pools and automated pallet systems compatible with the DMU 125 P's table interface. This allows multiple pallets to be staged, loaded, and processed in sequence without operator intervention, maximizing spindle utilization on high-value part programs running 24 hours.

05 How does the DMU 125 P compare to the DMU 125 P duoBLOCK?

The DMU 125 P uses a gantry architecture with a swiveling spindle head. The DMU 125 P duoBLOCK is DMG Mori's designation for the duoBLOCK variant of the same size class, which uses a different structural approach with a Mineralit bed. Both target similar workpiece sizes and industries; the duoBLOCK variant typically emphasizes higher stiffness for hard-material cutting while the P gantry configuration is more common in aerospace aluminum applications.