Peterbilt 12.9L 6-cylinder

Peterbilt 12.9L 6-cylinder — every model and year that used this engine (12 models, 2011–present), based on NHTSA VIN build data, with links to prices and reliability.

12.9L · 6 cylinders · seen in 12 models, 2011–2026

By the numbers

Output range 380–380 hp (median 380 hp). Diesel: 100%. Based on 309 decoded NHTSA VIN build sheets.

Models that used this engine

Engine usage derived from NHTSA VIN build data (displacement + cylinder configuration). Model links lead to prices, generations and reliability.