Choosing an NSK Lab Motor. What’s the Difference?

leadingdental
Jun 3
2 min read

Updated: Oct 16

If you're considering an NSK laboratory system, you're already looking at some of the most reliable and high-performing lab motors available. But with multiple models like the Ultimate XL Torque, Ultimate XL Compact, Volvere i7, and the Presto Aqua, how do you decide which one is best suited for your clinic? Lets break it down below!

Key Differences

Feature	Ultimate XL Torque	Ultimate XL Compact	Volvere i7	Presto Aqua II
Motor Type	Brushless	Brushless	Brush motor	Air turbine (no electric motor)
Torque Output	Up to 8.7 N·cm	Up to 8.7 N·cm	Up to 3.0 N·cm	N/A (air-driven, high-speed)
Speed Range	1,000–50,000 rpm	1,000–50,000 rpm	1,000–35,000 rpm	Up to 320,000 rpm
Control Unit Size	Larger benchtop unit.	Slim, lightweight unit	Ultra compact	Water bottle system with compact handpiece
Weight	Heavier	Lighter and portable	Extremely portable	Lightweight handpiece with tubing
Interface	Digital with memory presets	Digital with memory presets	Simple analogue dial	Manual water spray and foot pedal control
Noise	Ultra low	Ultra low	Low	Low, air turbine sound present
Ideal Use	High end labs, daily heavy use	Mobile setups, small clinics	Basic lab tasks, entry level users	Ceramic/zirconia cutting, cooling essential tasks

What’s the Same Between Ultimate XL Models?

Whether you go with the Torque or Compact, you’re getting:

Ultra-quiet brushless motor
8.7 N·cm torque for powerful cutting and grinding.
1,000–50,000 rpm speed range.
Digital control and memory function.

Please Note: Other Mounting Styles Are Available in the Ultimate XL Range. See below.

**Ultimate XL. (Standard Bench Top System)**

**Ultimate XL-K. (Knee Control System)**

**Ultimate XL-F. (Floor Type Foot Control System)**

**Ultimate XL-D. Bench Top Tower System.**

So Which One Should You Choose?

Choose the Compact model if:

You’re tight on bench space.

You need something lighter or more mobile.

You want full power in a smaller unit.

Choose the Torque model if:

You have a dedicated workspace.

You prefer a more robust control box.

Choose the Volvere i7 if:

You’re doing light trimming, polishing, or occasional lab work.

You're working with a tight budget.

You need maximum portability for basic procedures.

Choose the Presto Aqua if:

You need water spray cooling for ceramic or zirconia work.

You prefer air turbine speed for ultra-fine tasks.

You want a compact tool specifically for wet-cutting applications.

Final Thoughts

Whether you choose the Ultimate XL model, the Volvere i7 or the Presto Aqua Series, NSK offers exceptional quality and engineering. It all comes down to how demanding your workload is, how much space you have, and what materials you're working with.