Helping Power Plants & Manufacturing Facilities Operate Efficiently

Penn Machine is the authorized source for new gearboxes used on Ljungström Air Preheaters*. We also perform rebuilds, as well as carry a comprehensive inventory of parts for these reducers to minimize downtime. We have what you need for optimizing productivity at your coal or oil-fired power generation station or converted natural gas plant.

These preheater gearboxes can also be found in chemical plants, paper mills, refineries and other manufacturing facilities. At Penn Machine, we’re the authorized source for these models:

  • 3AP
  • 4AP
  • 5AP
  • 7AP
  • 8AP

As Ljungström’s gearbox OEM of choice for the past 20 years, we continue to manufacture replacement components to original specifications, including parts for units made prior to 1998.

For additional assistance, contact

* Ljungström Air Preheater is a registered trademark of ARVOS Inc., Wellsville, NY, formerly Air Preheater Company.

Ljungström Air Preheater