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:
Rebuild + Repair
Depend on Us for Rebuilding Gearboxes and Repairing Wheels
Single reduction Double reduction Right angle drive PCC
The advantages of our re-built gearboxes include:
All new bearings, fasteners, shims, and 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
Learn more about Transit Gearboxes.
Tested above OEM specifications for vibration, tempurature & noise
Warrantied
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, visit our Air Preheater Gearboxes page.
*Ljungström Air Preheater is a registered trademark of ARVOS Inc., Wellsville, NY, formerly Air Preheater Company.
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.
You can depend on PMC for overhauling LRT, streetcar, commuter, and subway metro wheelsets. We have been doing it since 1920, you can trust us to get it right the first time.
Learn how we can keep your gearboxes and wheels performing good-as-new.
