The Model 389 is available with the powerful, fuel-efficient PACCAR MX-13 engine with power ratings up to 510 hp and 1,850 lb.-ft. of torque for maximum performance. MX-13 engines are built for:

• Uptime and durability: Every MX-13 comes standard with remote diagnostics to deliver focused uptime support
• Fuel savings: Advanced design and lightweight materials help save up to 4% in fuel economy
• Low service costs: Up to a 75,000-mile oil change interval, and low cost of routine maintenance over the life of the engine
• Weight savings: The PACCAR MX-13 engine provides truck owners up to a 450-lb. weight savings over 15L engines, so you can haul more payload with every trip
• Superior performance and quiet operation: MX engines are built with broad torque curves, so it requires less shifting, while quiet operation improves the driving experience

The Peterbilt Model 389 features a proven all-aluminum cab and industry-exclusive aluminum hood, both are lightweight and optimized for maximum load capacity. The Model 389’s exterior features include:

• An all-aluminum, tough-constructed cab: Rugged, lightweight, corrosion-resistant, and built to maximize performance and profitability
• Signature stainless-steel grille
• Aluminum hood
• West Coast Style mirrors
• External air cleaners
• Pod mounted headlights

• The Model 389 has a high-quality interior with ergonomic design
• It features a traditional flat panel dash with ample space for gauges and switches
• The charcoal finish reduces glare and is resistant to scratches and fading
• The cab is spacious, inviting and highly functional
• The Model 389 is available as both a day cab and a sleeper option
• Ample overhead lighting and a powerful HVAC system