
PETERBILT 386
ENDURING CRAFTSMANSHIP
DURABILITY
Built to Work Hard
Featuring premium-grade aluminum and advanced composite materials, reducing the weight for increased payloads. The Peterbilt 386 available with a selection of detachable sleepers for greater resale value or in a day cab configuration for short haul applications. The aluminum cab is lightweight but strong and corrosion-resistant, providing years of watertight and rattle-free performance.
ENGINE OPTIONS
POWERED BY QUALITY
Quality Performance, Application Optimized

The PACCAR MX-13 Engine brings a new level of innovation through industry-leading quality, exceptional reliability and proven performance. The combination of a Peterbilt truck and MX-13 Engine offers a long-term value through technologically advanced designs with lightweight materials that achieve excellent performance and superior fuel economy. The MX-13 provides longer service intervals, increased uptime, lower operating costs and higher resale value.
TECHNOLOGY
SMARTNAV
Moving Forward
The Premium interior features the revolutionary new SmartNav system, an integrated, infotainment system. SmartNav features a 7-inch touch screen that provides real-time vehicle monitoring, a truck-specific Garmin navigation system, hands-free Bluetooth® connectivity, voice recognition, a fully integrated audio system with satellite radio as well as MP3, USB and iPod® capabilities.
POWERTRAIN, DRIVETRAIN & EXHAUST
ENGINE
PACCAR MX-13Cummins ISX12
Cummins ISX15
TRANSMISSION
Eaton Fuller ManualEaton Fuller Automated
EXHAUST
Vertical Single/DualHorizontal Single
FRAME
5TH WHEELS
HollandJost
FRONT AXLES
Dana Spicer 12-14.6K lbs.Meritor 12K lbs.
REAR AXLES
Dana Spicer Single – 21-26K lbs.Dana Spicer Tandem – 40-46K lbs.
Meritor Single – 21-23K lbs.
Meritor Tandem – 40-46K lbs.
REAR SUSPENSIONS
Peterbilt Air LeafPeterbilt FLEX Air
Peterbilt Low Air Leaf
Peterbilt Low Low Air Leaf
Peterbilt Air Trac
Reyco 79KB
Reyco 102AR
Reyco Multi-Leaf