INDEX TNL65
Key Specifications
Max Turn Length
max bar capacity
max machining diameter
main spindle speed
counter spindle speed
live tool speed
How much does the INDEX TNL65 cost?
Estimated price range
Our best estimate for a swiss-type lathe in this class — not a quote from INDEX-Traub. Configuration moves it a long way.
Overview
The INDEX TNL65 is a large-bar turning machine for stock up to 65 mm (2.559 in), with main and counter spindle both rated at 5,000 RPM and a maximum turning length of 650 mm. Spindle clearance and maximum machining diameter are both 65 mm, and a 175 mm chuck is listed for parts held in jaws.
Up to 9 axes are listed, including Y1, Y2, C1 and C2. Y and C on both sides mean off-centre drilling and milling can happen on the main spindle and on the counter spindle, and up to 30 tool positions (including live tools) leave room for complete machining in one setup. Live tools run at 7,000 RPM.
The 650 mm turning length is what separates this machine from its smaller relatives. The C100 lists 400 mm of turning length, and the TNL32 takes 32 mm bar at 8,000 rpm. Long shafts and spindles from 65 mm bar belong here rather than on either of those.
The table gives no spindle power, torque, axis travels, rapid rates or weight. Those decide whether the machine can rough large bar at the 5,000 RPM limit and what foundation it needs, so ask INDEX for them before comparing quotations.
Full Specifications
| Parameter | Value |
|---|---|
| Max Bar Capacity | 65 mm (2.559 in) |
| Max Machining Diameter | 65 mm (2.559 in) |
| Main Spindle Speed | 5,000 RPM |
| Counter Spindle Speed | 5,000 RPM |
| Live Tool Speed | 7,000 RPM |
| Number of Axes | Up to 9 (including Y1, Y2, C1, C2) |
| Tool Positions | Up to 30 (including live tools) |
| Spindle Clearance | 65 mm |
| Chuck Diameter | 175 mm |
| Max Turning Length | 650 mm |
Specifications sourced from index-group.com — verified 2026-10-03
Strengths & Limitations
Strengths
- Takes bar up to 65 mm (2.559 in) through a 65 mm spindle clearance
- 650 mm maximum turning length for long shafts
- Up to 9 axes including Y1, Y2, C1 and C2 for off-centre work on both spindles
- Up to 30 tool positions including live tools, with live tools at 7,000 RPM
- Counter spindle at 5,000 RPM, matching the main spindle
Limitations
- Main spindle limited to 5,000 RPM, slow for small diameters
- The table lists no spindle power, torque or machine weight
- No axis travels or rapid rates are given, so cycle-time estimates need INDEX data
Best For
Frequently Asked Questions
01
Bar up to 65 mm (2.559 in), a maximum machining diameter of 65 mm (2.559 in) and a maximum turning length of 650 mm. Chuck diameter is 175 mm, and spindle clearance is 65 mm.
02
The TNL32 takes 32 mm bar and runs to 8,000 rpm with live tools at 6,000 RPM. The TNL65 takes 65 mm (2.559 in) bar, runs both spindles at 5,000 RPM and has faster live tools at 7,000 RPM, plus a 650 mm turning length.
03
Up to 30 tool positions including live tools, and up to 9 axes including Y1, Y2, C1 and C2. Live tools run at 7,000 RPM. With Y and C on both sides, the counter spindle can do off-centre work too, not just centred facing and drilling.
04
Spindle power and torque, axis travels, rapid traverse rates, machine weight and power supply are not listed. Get them from INDEX before planning heavy roughing at 65 mm or sizing the foundation.
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