(VIDEO) – STEAM IN MOTION: HOW 4501 GETS READY FOR THE RAILS

Ever wonder what it takes to prepare a 114-year-old steam locomotive for action? At the Tennessee Valley Railroad Museum (TVRM), the work begins long before passengers board. In a recent behind-the-scenes moment, Frank Welsh and Joseph Randall walk us through the critical prep process for Southern Railway 4501—the museum’s beloved Steam Queen.

This week, they’re firing her up for the Summerville Steam Special, and that means giving every moving part the attention it needs. Their tool of choice? The Alemite grease gun, loaded with hard grease.

🛠️ Greasing the Rods: A Labor of Precision

The video opens with Frank and Joseph at trackside, preparing to lubricate the side rods—the long arms that transfer the piston’s energy to the wheels.

“We’re going to shoot hard grease into the rods here on 4501,” Frank explains, “getting it ready for the trip.”

Hard grease isn’t your typical lubricant. It’s extruded from solid blocks into dense sticks, then loaded into the Alemite gun. Once applied, it forces water and old residue from the bearing surfaces. The goal? To see fresh grease “scooting out of the bearing,” confirming that everything is clean and fully coated.

It’s a methodical process that demands both experience and patience—ensuring this mechanical giant operates smoothly and safely.

🎥 Watch the Full Process

If you missed the video, here’s what you’ll see:

• Demonstration of the Alemite gun pushing hard grease through 4501’s bearings

• How grease is inserted and “grabbed” by the piston inside the gun

• A real-time view of grease replacing water and residue inside the rods

🔗 Want to learn more about how our locomotives are maintained? Stop by Grand Junction and talk to our shop team or visit www.tvrail.com/restorations.

Reader Questions Answered

• Why use hard grease instead of regular grease or oil?
  • Hard grease withstands high pressure and heat better than standard lubricants, making it ideal for the heavy-duty moving parts of steam locomotives.
• How often is this maintenance done?
  • Every time a locomotive like 4501 is brought into service. Regular lubrication is essential for safe operation and long-term preservation.

Why It Matters

Behind every ride is a dedicated crew making sure these powerful machines run like clockwork. The process of greasing, inspecting, and testing each component connects directly to TVRM’s mission: preserving railroading for future generations. It’s not just about keeping 4501 moving—it’s about honoring a legacy with every mile.

So, next time you hear the whistle blow or see the rods moving in rhythm, remember: it’s all made possible by careful hands, time-honored tools, and a lot of elbow grease.