2022 Peterbilt 389

The 2022 Peterbilt 389 is a long-hood, Class 8 conventional built for owner-operators and fleets that value traditional styling combined with modern power and emissions technology. The example specified is powered by the Cummins X15 14.9L inline-6 (400–605 hp, 1,450–2,050 lb-ft), a heavy-duty, electronically controlled engine designed to meet current emissions standards while delivering strong low-end torque and highway performance.

Powertrain and emissions
- Cummins X15 14.9L I6 (400–605 hp; 1,450–2,050 lb-ft) with electronic engine management for optimized fuel delivery and diagnostics.
- Integrated aftertreatment system to meet EPA emissions requirements, including diesel particulate filtration and selective catalytic reduction (SCR).
- Engine cooling and accessory systems sized for long-haul work; engine brake capability is available and commonly paired with this powerplant.
- Factory drivetrain provisions accommodate a range of transmissions and driveline options; the chassis is engineered to accept both manual and automated transmissions and multiple rear axle ratings.

Exterior and chassis
- Classic long-hood Peterbilt styling: a pronounced bonnet profile, traditional grille treatment, and a visible, conventional hood for easy service access.
- Heavy-duty frame designed for commercial duty cycles with multiple wheelbase and axle configuration options from the factory; frame rails are laid out to support sleeper, fuel, and accessory packages.
- A durable exterior fit and finish with factory-applied paint, standard exterior lighting and marker lamps, and mirrored surfaces and hardware sized for highway visibility.
- Factory provisions for fuel tanks, air and electrical connections, and mounting points for common accessory and body installations.

Cab and interior (factory standard features)
- Rugged cab construction with driver-focused ergonomics and a layout designed for long-distance comfort and serviceability.
- Instrumentation that combines analog gauges with a multi-function digital display for engine and vehicle status, fault codes, trip and fuel data.
- Standard HVAC (heater and air conditioning) with controls within easy reach of the driver.
- Driver and passenger seating designed for commercial use; factory seats typically include durable upholstery, adjustable mounting, and options for air or mechanical suspension.
- Practical storage solutions: overhead compartments, console space, and in-cab storage designed to accommodate paperwork, tools and personal items.
- Factory audio system with AM/FM and auxiliary/Bluetooth capability for hands-free phone and basic media functions; steering-wheel controls and cruise control are commonly fitted from the factory.

Safety, chassis controls and serviceability
- Anti-lock braking system (ABS) as standard and factory wiring/hardware to support electronic braking and monitoring functions.
- Centralized fuse and relay locations, accessible service points, and a cab layout that provides straightforward access to common maintenance items.
- Factory-installed telematics and diagnostic connectors are often provided to support fleet management and remote diagnostics, depending on specification.

Configurations and options
- The 389 is offered from the factory with a variety of cab and sleeper lengths, axle and suspension combinations, and body accessory packages; standard equipment covers the essentials for safe, legal, and comfortable operation, while many appearance, comfort, and performance items are available as factory options to tailor the truck to specific applications.