CNC Lathes

Mazak QTN 300M-II

11 Mazak QTN 300M-II listings have come through the used market we track: 6 marketplaces, built 2007–2010; 8 machines once repeats are merged.

10 inChuck size
4,000 RPMSpindle speed
16.5 inMax turning diameter
3 inBar capacity

What the maker published about the Mazak QTN 300M-II

Mazak equipped its QTN 300-II M turning center with a 10 in chuck on a main spindle that reaches 4000 rpm, and its M build adds a rotary tool milling spindle for milling and turning in one setup. Driven tools on the 12 station upper turret run to 4000 rpm, from a 10.0 hp / 8 kw motor rated for 4 minutes, while the main motor's 30 minute figure is 35.0 hp / 26 kw. Bar up to 3.0 in fits. On every bed the swing is 29.53 in and the cut diameter limit 16.540 in, with 10.13 in of X stroke. Three beds were printed: the 650U machines 26.149 in of length over 26.38 in of Z, the 1200U 63.024 in over 63.25 in, and the 1500U 83.500 in over 83.50 in. A Matrix Nexus CNC runs Mazatrol conversational and EIA-ISO programs as standard. Equipment listed: a tailstock set by program, chucks with a through hole, an automatic tool eye, and hookups for bar feeders and gantry robots.

Source: Mazak, an archived copy of the maker's page from 2014, October 27, 2026.

What the Mazak QTN 300M-II is used for

Mazak's 2014 page meant the QTN 300-II M for medium to larger diameter workpieces that are milled as well as turned without a second setup, and it named mass production, contract machining and the auto and truck trade.

Source: Mazak, an archived copy of the maker's page from 2014, October 27, 2026.

Mazak QTN 300M-II equipment and options

Options on the 8 Mazak QTN 300M-II units we tracked

  • Chip conveyor 3 of 8
  • High-pressure coolant 2 of 8
  • Tool probe 2 of 8
  • Tailstock 2 of 8
  • Live tooling 2 of 8

Mazak QTN 300M-II listing history

Where it was listed

surplusrecord.com
5 listings, 2009
usedmachinerysales.com
2 listings, 2009
exapro.com
1 listing, 2009
machsys.com
1 listing, 2010
quickmachinerysales.com
1 listing, 2007
revelationmachinery.com
1 listing, 2009

Sellers also listed it as QTN-300-II-M, NEXUS-300M-II.

Filed under CNC Lathes (7) and CNC Turning Centers (2).

Model years seen

2010, 2009 ×9, 2007.

What Mazak QTN 300M-II listings agree on

X-axis travel
10.13 in
Swing
29.5 in
Max turning diameter
16.5 in
Max turning length
48.75 in
Chuck size
10 in
Bar capacity
3 in
Spindle bore
3.46 in
Spindle speed
4,000 RPM
Spindle power
35 hp
Tool capacity
12
Turret stations
12
Machine weight
16,314 lb

Looking for a Mazak QTN 300M-II for sale?

We have tracked 11 Mazak QTN 300M-II listings on 6 marketplaces (surplusrecord.com, usedmachinerysales.com, exapro.com, machsys.com, quickmachinerysales.com and revelationmachinery.com), model years 2007 to 2010. We buy Mazak QTN 300M-II machines and do not sell them.

2010 · 2009 · 2009 · 2009 · 2009 · 2009 · 2009 · 2007

Every Mazak QTN 300M-II we have tracked

2010 Mazak QTN 300M-II (listed as QUICK TURN NEXUS 300MII)

2009 Mazak QTN 300M-II (listed as NEXUS-300M-II)

2009 Mazak QTN 300M-II (listed as QTN-300-II-M)

3 listings (surplusrecord.com)

2009 Mazak QTN 300M-II

2 listings (usedmachinerysales.com)

2009 Mazak QTN 300M-II

Metal Cutting

2009 Mazak QTN 300M-II (listed as QUICK TURN NEXUS 300-II M)

2009 Mazak QTN 300M-II (listed as QTN-300-II-M)

CNC Turning Centers

2007 Mazak QTN 300M-II (listed as QTN 300-II M)

CNC Turning Centers

The Mazak QTN 300M-II among lathes and turning centers

Browse all CNC Lathes, or see every Mazak machine we track.

Mazak QTN 300M-II variants and related models

Mazak QTN-250

Same series

Mazak QTN-350

Same series

Have a Mazak QTN 300M-II to sell?

We are the buyer, not a broker. No listing, no consignment, no waiting for someone else to find a buyer. Quote in 24 to 48 hours, and we can arrange rigging, freight and the pickup.

Tell us what you’re selling

Send us the make and model and we’ll come back with a cash offer. Most sellers hear from us the same business day.

What happens next

  1. Same business dayWe confirm your details and ask anything we’re missing.
  2. Within 24–48 hoursYou receive a purchase proposal.
  3. On your timelineSigned agreement, then we can arrange rigging & pickup.

We only use your details to value your machine and get back to you. No lists, no resale.