Choosing an NSK Lab Motor. What’s the Difference?
- leadingdental
- Jun 3
- 2 min read
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.





🧠 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.
Still Unsure?
Get in touch with our team and we’ll help match the right system to your workflow.

Phone: 07 3139 1549
Email: sales@leadingdental.com.au
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