The Tear Down: Uncovering the Secrets of a Vintage Caterpillar Engine

TLDRJoin me as I tear down a two-cylinder caterpillar Pony engine to uncover its hidden treasures and reveal the extent of the damage. From starter issues to a cracked gear case, this engine has seen better days, but I'm determined to salvage as many parts as possible. Watch as I disassemble and explore the inner workings of this vintage engine.

Key insights

🔧The starter on this engine has experienced issues with engaging the teeth on the bendex, requiring a unique workaround.

💥A loud bang was heard during a startup attempt, leading to the discovery of a crack and a big chunk blown out of the gear case.

💡The exhaust on the pony engine runs through the intake on the diesel engine, resulting in coolant contamination and other issues.

⚙️The clutch and gear train components are in relatively good condition despite the overall damage to the engine.

🔍The tear down revealed extensive sludge and metal shavings, indicating the need for proper maintenance and care in vintage engines.

Q&A

What caused the cracked gear case?

The cracked gear case was likely caused by a combination of overheating, water damage, and general wear and tear.

Is it possible to salvage any parts from this engine?

While the engine is severely damaged, there are still salvageable parts that can be used in the restoration of other vintage engines.

How do you work around the starter engagement issue?

To start the engine, the starter bolts need to be loosened, allowing for a slight angle adjustment to engage the teeth on the bendex.

What steps can be taken to prevent coolant contamination?

Proper maintenance, including regular coolant checks and maintenance of the exhaust system, can help prevent coolant contamination in similar engines.

What can be learned from this tear down?

This tear down highlights the importance of regular maintenance, the hidden challenges of vintage engines, and the potential for salvaging usable parts.

Timestamped Summary

00:48Introduction to the two-cylinder caterpillar Pony engine and the backstory of the previous repairs.

01:43Challenges faced during the engine startup, including a faulty starter and coolant contamination.

02:58Discovery of a cracked gear case and the resulting damage to the engine.

07:08Exploration of the high-low range gear and the issues with the starter engagement.

09:58Compression testing and assessment of the engine's condition.

12:23Disassembly of the gear case and examination of the clutch and gear train components.

13:58Discovery of gear teeth and metal shavings, indicating the need for maintenance.

15:02Removal of the gear case, revealing further damage and metal paste in the bottom section.