The Doosan S670LM is a heavy-duty CNC turning center with integrated milling capability, designed for machining large and complex components in a single setup. Manufactured by Doosan Machine Tools, the “LM” variant adds live tooling and C-axis functionality, making it a versatile turn-mill solution for demanding industries such as oil & gas, aerospace, and heavy engineering.
The S670LM typically offers a maximum turning diameter of around 670 mm and a turning length of up to 1,800 mm, allowing it to handle long shafts and large cylindrical parts. It is equipped with a powerful spindle motor in the 30–50 kW range and spindle speeds up to 1,500–2,000 RPM, delivering high torque for heavy cutting applications.
A key feature of this model is its live tooling turret (usually 10–12 stations), enabling milling, drilling, and tapping operations. The addition of a C-axis allows precise angular positioning, reducing the need for secondary machining. Built with a rigid cast structure and box guideways, the S670LM ensures stability, durability, and long-term accuracy in demanding production environments.
DOOSAN S670LMSPECIFICATIONS
DOOSAN S670LM – AXIS
X-Axis
Z-Axis
C-Axis (Spindle Indexing)
Live Tool Capability
DOOSAN S670LM – AXIS TRAVELS
X-Axis Travel: ~385 mm
Z-Axis Travel: ~1,800 mm
DOOSAN S670LM – CAPACITY
Maximum Turning Diameter: ~670 mm
Maximum Turning Length: ~1,800 mm
Maximum Swing Over Bed: ~850 mm
Bar Capacity: ~119 mm
DOOSAN S670LM – SPINDLE
Spindle Nose: A2-11 / ASA 11
Spindle Bore: ~119–152 mm
Maximum Spindle Speed: ~1,500–2,000 RPM
Main Motor Power: ~30–50 kW
High Torque Heavy-Duty Spindle
DOOSAN S670LM – CHUCK
Chuck Size: ~15–18 inch
Hydraulic Chuck System
Suitable for Large Components
DOOSAN S670LM – TOOL TURRET
Turret Type: Live Tool Turret
Number of Stations: 10–12
Tool Size (OD): ~25 mm
Boring Bar Size: ~50 mm
Live Tooling for Milling, Drilling & Tapping
DOOSAN S670LM – FEEDRATES
Rapid Traverse (X/Z): ~16 / 20 m/min
Cutting Feed Rate: Programmable
High Torque Feed Drive System
DOOSAN S670LM – COOLANT & CHIP MANAGEMENT
Coolant System: Flood Coolant
Chip Disposal: Chip Conveyor
Designed for Heavy Chip Removal
DOOSAN S670LM – CONTROL SYSTEM
CNC Control: FANUC 18i-TB
Multi-Axis Programming Capability
Reliable Industrial CNC Control
DOOSAN S670LM – POWER & AIR REQUIREMENTS
Power Requirement: ~380–415V, 3 Phase
Connected Load: ~50–70 kVA
Air Requirement: ~5–6 bar
DOOSAN S670LM – DIMENSIONS
Machine Footprint: ~5.2 m x 2.3 m
Machine Height: ~2.2 m
Machine Weight: ~14,000 kg
DOOSAN S670LM – GENERAL INFORMATION
Machine Type: CNC Turn-Mill Center
Multi-Tasking (Turning + Milling)
C-Axis with Live Tooling
Designed for Large & Complex Parts
High Rigidity Structure
INDUSTRIES THAT USE DOOSAN S670LM
Oil & Gas Industry
Heavy Equipment Manufacturing
Automotive Industry
Aerospace Industry
General Engineering
TYPICAL PARTS DOOSAN S670LM CAN PRODUCE
Long Shafts with Milling Features
Heavy Flanges
Complex Cylindrical Components
Valve Bodies
Pump Shafts
WHY CHOOSE DOOSAN S670LM
Turning + Milling in One Setup
Ideal for Long & Heavy Components
High Torque and Power
Reduced Setup Time
Reliable FANUC Control
Suitable for Complex Production Work
WHY BUY USED DOOSAN S670LM
Purchasing a used Doosan S670LM is a smart investment for manufacturers looking for both turning and milling capabilities at a lower cost. One of the biggest advantages is cost efficiency—used machines provide multi-tasking functionality at a fraction of the price of new turn-mill centers.
The S670LM is built on a robust platform from Doosan Machine Tools, known for durability and long service life. Even machines with higher cutting hours can continue to perform reliably when properly maintained, making them suitable for heavy-duty production environments.
Another key benefit is productivity. With live tooling and C-axis functionality, the machine can complete multiple operations in a single setup, reducing cycle time, labor, and handling errors. This is especially valuable for complex parts and batch production.
Additionally, used machines are typically available for immediate delivery, avoiding long lead times associated with new equipment. Maintenance is also easier due to widely used CNC systems like Fanuc, with readily available spare parts and service support.
Overall, a used S670LM offers a powerful combination of capacity, flexibility, and cost savings.
HOW MUCH DOES A USED DOOSAN S670LMCOST?
The cost of a used Doosan S670LM depends on year of manufacture, condition, configuration, and cutting hours. Machines built before 2000 are limited but typically range from $30,000 to $60,000. These machines usually have high cutting hours and older CNC systems but can still handle heavy-duty work effectively.
Machines from 2000 to 2010 are the most common in the market and generally fall within the $60,000 to $120,000 range. These units typically include live tooling, C-axis functionality, and moderate to high cutting hours (often 8,000–20,000+ hours), offering a strong balance between price and capability.
For machines produced between 2010 and 2025, prices typically range from $120,000 to $220,000 or more, depending on configuration, tooling, and condition. Machines with lower cutting hours (under 5,000–8,000 hours) command premium pricing, especially those with well-maintained live tooling systems.
Cutting time is a critical pricing factor—low-hour machines retain higher value, while high-hour machines are more affordable but may require maintenance such as spindle servicing, turret alignment, or live tooling refurbishment to maintain optimal performance.
