Doosan SMX 3100LS

What the maker publishes about the current Doosan SMX 3100LS

The SMX3100LS is a mill turn machine from the DN Solutions SMX series. Its layout joins a left spindle, a right spindle and a B-axis milling head. The frame follows an orthogonal structure. A 12 inch chuck holds the work. Parts can reach 660 mm (26 inch) across. Turned length extends to 2540 mm (100 inch). On the left, the spindle reaches 3000 r/min with 30 kW and 1203 N·m. In imperial terms that left drive reads 40 hp and 887 ft-lb. The right spindle turns faster, to 4000 r/min, on the same 30 kW with 724 N·m of torque. The B-axis and C-axis are both commanded in steps of 0.0001 degree. Tools load from a magazine placed at the front of the machine. The machine occupies 7200 mm in length and 3011 mm in width, and it rises 2850 mm. Its mass is 20500 kg.

Source: DN Solutions, September 27, 2026.

What the Doosan SMX 3100LS is used for

DN Solutions sets up the SMX3100LS, a mill turn machine with nine axes in its SMX series, to turn and mill a part in one cycle, using a left and a right spindle, a B axis milling spindle fed from a tool magazine at the front, and a 12 station lower turret.

Source: DN Solutions, October 14, 2026.

Doosan SMX 3100LS specifications

Figures as currently published; an older unit may differ in control generation and options.

1. manufacturer specification page, fetched October 14, 2026.

What fits a Doosan SMX 3100LS

Each of these follows from a published specification above, which is named beside it.

What to check on a Doosan SMX 3100LS

• Spindle. The manufacturer gives a spindle speed of 3000 r/min (left spindle). Run the spindle to top speed and listen for bearing noise.
• Spindle load. The manufacturer gives 30 kW (40 hp) (left spindle) of spindle power and 1203 N·m (887 ft-lb) (left spindle) of spindle torque. Take a heavy cut and watch the load meter.
• Chuck and bar. The manufacturer gives a chuck size of 12 inch. Check the jaws and the grip pressure.
• Bed and ways. The manufacturer gives a max turning diameter of 660 mm (26 inch) and a max turning length of 2540 mm (100 inch). Check the ways for wear near the chuck.
• Second spindle. The manufacturer gives a right spindle: max. spindle speed of 4000 r/min. Check that it synchronizes on a part transfer.
• Rigging and floor. The manufacturer gives a machine weight of 20500 kg (45195 lb), a machine length of 7200 mm (283 inch), a machine width of 3011 mm (119 inch) and a machine height of 2850 mm (112 inch). Confirm the rigging route and the floor will take that.

Doosan SMX 3100LS listing history

Where it was listed

Sellers also listed it as PUMA-SMX-3100LS.

Sellers also filed it under CNC Multi-Tasking Machines (Mill-Turn / Turn-Mill) (1) and CNC Turning Centers (1).

Model years seen

2018 ×5.

What Doosan SMX 3100LS listings agree on

Looking for a Doosan SMX 3100LS for sale?

We have tracked 5 Doosan SMX 3100LS listings on 3 marketplaces (surplusrecord.com, machinetools.com and premierequipment.com), model year 2018. We buy Doosan SMX 3100LS machines and do not sell them.

2018 · 2018

Every Doosan SMX 3100LS we have tracked

The Doosan SMX 3100LS among lathes and turning centers

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Other CNC Lathes models in this directory

1. Doosan Puma GT3100: manufacturer specification page, fetched October 14, 2026.
2. Doosan SMX 3100LS: manufacturer specification page, fetched October 14, 2026.
3. Doosan LYNX 2100A: manufacturer specification page, fetched October 14, 2026.
4. Doosan PUMA 4100B: manufacturer specification page, fetched October 14, 2026.