Peterbilt Model 389

Goes the distance

The Peterbilt Model 389 is built for maximum appeal and enduring performance. It is the preferred truck for drivers in fleets large and small.

Peterbilt Model 389 With Trailer on Highway

This MX makes 13 your new lucky number

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

Durable, lightweight platform

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

Peterbilt Model 389 Drives on Highway Along Coast

Exceptional operator experience, day and night

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

389 Resources & Downloads

2017 Conventional Model Maintenance Manual

PACCAR MX-13 Engine

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