REBUILD & REPAIR

Depend on Us for Rebuilding Gearboxes & Repairing Wheels

Transit Gearboxes

We rebuild gearbox units with quality replacement parts that help transit authorities maintain their fleets cost-effectively. The types of units we re-build with our gearbox repair kits include:

  • Single Reduction
  • Double Reduction
  • Right Angle Drive
  • PCC

The advantages of our re-built gearboxes include:

  • All New Bearings, Fasteners, Shims, & Gaskets
  • Latest Propulsion Designs
  • Re-Conditioning May be Done in Small Lots
  • Gearing and Shafts Evaluated and Requalified to Reduce Costs
  • Universal Compatibility
  • Re-Built to Proven Specifications
  • Tested Above OEM Specifications for Vibration, Temperature & Noise
  • Warrantied

Air Preheater Gearboxes

As an authorized source for new gearboxes used on Ljungström Air Preheaters*, as well as for parts and repairs, we have what you need to keep you up and running.

Air Preheater gearboxes are found in coal and oil-fired power generation stations and converted natural gas plants, 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

For more information, view our Air Preheater Gearboxes page.

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

Wheels

We also repair resilient wheels by replacing the rubber blocks to improve noise control and vibration damping properties cost-effectively and keep solid wheels in top working condition by re-machining them to specifications.

Learn how we can keep your gearboxes and wheels performing good-as-new.