When a client brings in his father's 1954 Bantam tractor, Rick must mend this latent lawn wrangling machine. Can he successful salvage this project piece by piece, or will this farming fix up ultimately fail? Later, the guys have a mechanical mystery... (more) on their hands when a client brings in an early 1900s air brake tester for trains. Can the crew puzzle out this choo-choo contraption, or will this railroad relic get derailed?