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Main Motor Retrofit

One aging motor accounts for 90% of your die-cutter’s electricity consumption. Replacing it with a modern AC drive cuts electricity consumption and eliminates the obsolescence risk quietly threatening your production line.

Request a retrofit assessment

Don’t Let an Outdated Motor Cost You Everything 

Your die-cutter runs on electricity, and the majority of that goes to one place: the main motor. It’s the engine of your operation—and if it’s still running on legacy DC technology, it’s silently draining your margins shift after shift.

The Main Motor Retrofit replaces your aging DC motor with a modern, high-efficiency AC motor and drive system—cutting energy consumption by 13%, eliminating obsolescence risk, and delivering a strong ROI with every kilowatt saved.

The Case for Acting Now

Stop Paying the Obsolescence Tax

Legacy DC motors are becoming impossible to service. When parts disappear, your line stops—on the motor’s terms, not yours. A proactive retrofit puts you back in control.

13% Less Energy

The main motor drives 90% of your die-cutter’s total electricity consumption. Upgrading to a modern AC drive doesn’t just reduce that number—it transforms your cost structure.

18,000 kWh Saved Per Year

That’s the equivalent of driving an electric car around the world three times. Per machine. Per year. Measurable, auditable, and directly impactful on your bottom line.

The Technical Details

  • Replaces legacy DC main motor and drive with modern AC equivalent 
  • Energy consumption reduction: up to 13% on total machine electricity use 
  • Main motor accounts for 90% of die-cutter electrical consumption 
  • Annual energy saving: 18,000 kWh per machine 
  • CO₂ saving: 46,000 m³ / 90 metric tons per 10 motors replaced 
  • Installed by certified BOBST service engineers 
  • Full system testing and commissioning included 
  • New components carry BOBST warranty

What Sets This Retrofit Apart 

From DC to AC: A Step Change in Efficiency

  • Old DC motors were the standard for decades. 
  • Modern AC motors and drives are a generation ahead: more efficient, more reliable, and built on a parts ecosystem that will be available for years to come. 
  • The switch isn’t just an upgrade; it's a platform change that future-proofs your entire drive system.

A Smarter Way to Extend Machine Life

  • Full equipment replacement is expensive. 
  • A targeted retrofit delivers many of the same performance benefits at a fraction of the cost. 
  • Protects your capital investment and keeping your production assets working hard for longer.

Energy Savings That Go Beyond the Motor

  • Replacing the motor is the headline—but it’s not the whole story.
  • BOBST experts also inspect for compressed air leakage during every retrofit. 
  • Addressing both together maximizes the efficiency gain.

Planned Around Your Schedule

  • Retrofits are carried out by certified BOBST service engineers, coordinated around your production calendar to minimize disruption. 
  • You get a professional installation, full commissioning, and a machine that comes back online performing better than before.

One Retrofit with Lasting Returns

In today’s competitive manufacturing environment, every minute of downtime costs you. The main motor drives your die-cutter—and upgrading it is one of the fastest, highest-impact ways to maximize machine availability and keep production running smoothly.

The Main Motor Retrofit provides the technology, expertise, and ongoing partnership you need to minimize downtime and operate with complete confidence in your production continuity.

Let’s Calculate Your Savings

Our service engineers will assess your current setup, model your energy savings potential, and design a retrofit plan built around your schedule.