DN Solutions CNC Lathes / Turning Centers

DN Solutions PUMA 4100 C

Est. $175,000 - $245,000 Specs verified 2026-10-02 · dn-solutions.com Updated 2026-10-02

Image: dn-solutions.com, DN Solutions

Key Specifications

X Travel

352 mm (14 in)

Z Travel

1,105 mm (44 in)

Max Spindle

1,500 rpm

Spindle Power

37 kW (50 hp)

Max Turn Length

1,002 mm (39 in)

chuck size

21 in

How much does the DN Solutions PUMA 4100 C cost?

Estimated price range

Est.$175,000 - $245,000

Our best estimate for a cnc lathes / turning center in this class — not a quote from DN Solutions. Configuration moves it a long way.

Overview

With a 21 in chuck and 3,280 N·m (2,419 ft-lb) of spindle torque, the DN Solutions PUMA 4100 C is the large-chuck version of the short-bed PUMA 4100 two-axis lathe. Maximum turning diameter is 550 mm (22 in), maximum turning length is 1,002 mm (39 in), and the spindle is rated 37 kW (50 hp) with a top speed of 1,500 rpm.

Set the chuck size against the turning diameter and the purpose is clear. A 21 in chuck on a machine that turns 550 mm (22 in) is nearly as large as the biggest part the machine can cut. That suits rings, flanges, hubs and discs gripped on a large diameter, and it explains the 1,500 rpm limit: a chuck of this size is not spun fast. On the diameters this machine is bought for, 1,500 rpm is ample. On a small journal at the end of a part it is slow.

The PUMA 4100 B is the alternative on the same bed. It lists a 15 in chuck, 2,000 rpm, 35 kW (47 hp) and 2,379 N·m (1,755 ft-lb), which puts the torque of the PUMA 4100 C about 38% higher. The PUMA 4100 B also turns slightly longer, 1,042 mm (41 in), because the larger chuck takes some of the 1,105 mm (44 in) of Z travel both machines share, and it weighs 9,950 kg (21,936 lb) against 10,450 kg (23,038 lb) here.

Both axes are plain turning axes. X travel is 352 mm (14 in), rapids are 16 m/min (630 ipm) on X and 20 m/min (787 ipm) on Z, and the turret has 10 stations with no live-tool speed in the table. DN lists the machine at 4,654 × 2,056 × 2,194 mm (183 × 81 × 86 in) as length, width and height.

Full Specifications

Parameter	Value
Chuck Size	21 in
Max Turning Diameter	550 mm (22 in)
Max Turning Length	1,002 mm (39 in)
Rapid Traverse X	16 m/min (630 ipm)
Rapid Traverse Z	20 m/min (787 ipm)
X-Axis Travel	352 mm (14 in)
Z-Axis Travel	1,105 mm (44 in)
Max Spindle Speed	1,500 rpm
Spindle Motor Power	37 kW (50 hp)
Spindle Torque	3,280 N·m (2,419 ft-lb)
Turret Stations	10
Floor Space Required	4,654 × 2,056 × 2,194 mm (183 × 81 × 86 in)
Machine Weight	10,450 kg (23,038 lb)

Specifications sourced from dn-solutions.com — verified 2026-10-02

Strengths & Limitations

Strengths

3,280 N·m (2,419 ft-lb) of spindle torque, about 38% above the 2,379 N·m (1,755 ft-lb) of the PUMA 4100 B
21 in chuck for gripping rings, flanges and discs on a large diameter
37 kW (50 hp) spindle rating
550 mm (22 in) of turning diameter on a machine weighing 10,450 kg (23,038 lb)

Limitations

Spindle speed is limited to 1,500 rpm, which is slow on small diameters
Turning length is 1,002 mm (39 in), shorter than the 1,042 mm (41 in) of the PUMA 4100 B on the same Z travel
No live tools or Y travel in the table, so bolt holes in a flange are a second operation
10 turret stations, where the PUMA 4100 LA lists 12

Best For

Flanges, rings, hubs and discs up to 550 mm (22 in) held in a 21 in chuck Heavy roughing in steel and cast material at 3,280 N·m (2,419 ft-lb) Large-diameter facing and boring where 1,500 rpm is enough Short, heavy workpieces up to 1,002 mm (39 in) long

Frequently Asked Questions

01 How does the PUMA 4100 C differ from the PUMA 4100 B?

The spindle and chuck. The PUMA 4100 C has a 21 in chuck, 1,500 rpm, 37 kW (50 hp) and 3,280 N·m (2,419 ft-lb). The PUMA 4100 B has a 15 in chuck, 2,000 rpm, 35 kW (47 hp) and 2,379 N·m (1,755 ft-lb). Travels, rapids, the 10-station turret and the 550 mm (22 in) turning diameter are the same. Turning length is 1,002 mm (39 in) on the PUMA 4100 C and 1,042 mm (41 in) on the PUMA 4100 B.

02 Is 1,500 rpm a problem?

It depends on the diameter being cut. Near the 550 mm (22 in) turning limit, 1,500 rpm is far more than a carbide tool needs. On small diameters it restricts surface speed and lengthens finishing passes. If the work mixes large and small diameters, the PUMA 4100 B at 2,000 rpm or the PUMA 4100 LA at 3,000 rpm may fit better, with less torque.

03 Is the PUMA 4100 C suitable for pipe work?

DN describes pipe-machining and threading solutions for the series and quotes a maximum spindle through hole of Ø375 mm. That is a series maximum. The table for the PUMA 4100 C does not list a through hole, so the bore of this configuration, and which pipe options apply to it, need to be confirmed with DN.

04 Is there a longer version of the PUMA 4100 C?

Yes. The PUMA 4100 LC has the same 21 in chuck, 1,500 rpm and 3,280 N·m (2,419 ft-lb) on 2,155 mm (85 in) of Z travel, and turns 2,052 mm (81 in). It weighs 11,900 kg (26,235 lb) against 10,450 kg (23,038 lb) for the PUMA 4100 C.