Peterbilt 378 2006 Peterbilt

Thorough Pre-Purchase Inspection (PPI): Essential for a heavy truck, focusing on engine, transmission, frame, air system, and tires.

Check Service Records: Look for consistent maintenance, especially engine oil analysis and component rebuilds.

Inspect for Frame Damage/Rust: Critical for structural integrity, especially in regions with road salt.

Engine Health: Pay close attention to engine noise, oil pressure, blow-by, and exhaust color. Consider a dyno test.

Transmission Type: Determine if it's a manual or automatic and check its shifting performance.

Review Emissions History: If applicable to your region, understand its emissions status and potential upgrade costs.