Peterbilt 348

PETERBILT Vocational MODEL 348

So you want to know what makes up the 348? Read the full truck specifications, including fuel exhaust, axles, lighting and aerodynamics.

Powertrain, Drivetrain & Exhaust

Engine

PACCAR PX-9 260 - 380hp
PACCAR PX-7 280 - 360hp

Transmission

  • Fuller Manual
  • Allison Automatic

Exhaust

  • Vertical Cab Mounted
  • Horizontal

Exhaust Guards

Vertical Stainless Steel

Hood, Bumper, Wheels, Tires & Fuel / Def Tanks

HOOD

Melton 108" or 110"

Bumper

  • Steel Stylized Aerodynamic
  • Aluminum Swept Back
  • Aluminum Channel

Wheels

Aluminum 22.5" / 24.5"
Steel 22.5" / 24.5"

Tires

  • Bridgestone
  • Goodyear
  • Michelin

Fuel Tanks

Steel 45 gallon
23" Aluminum 50-100 gallon
26" Aluminum 50-90 gallon

Cab & Sleeper

Cab

  • Aluminum

Sleeper

  • N/A

Seats

Driver Peterbilt UltraRide
Passenger Peterbilt UltraRide
  2 Person

Battery Box

  • Aluminum
  • Steel

Tool Box

  • Optional

Frames, Axles & Suspensions

Frame

Steel 10-5/8" / 10-3/4" / 11-5/8"

5TH Wheels

  • Holland
  • Jost

FRONT AXLES

Dana Spicer 12-20K lbs.
Fabco 12-16K lbs.
Marmon-Herrington 12-16K lbs.

Front Springs

  • Taper Leaf

Front Hubs

  • Iron LMS
  • Aluminum LMS Non-Driving
  • Iron Front Axle Driving

REAR AXLES

Dana Spicer Single – 21-30K lbs.
  Tandem – 40-46K lbs.
Meritor Tandem – 40-44K lbs.

REAR SUSPENSIONS

Peterbilt Low Air Leaf
  Air Leaf
  AirTrac
Hendrickson RT
  HMX
Chalmers 854
Reyco  

REAR HUBS

  • Iron LMS
  • Iron
  • Aluminum LMS

Front Brakes

Air Cam  
Air Disc  

Rear Brakes

Air Cam Drum  
Air Disc  

ABS SYSTEM

Bendix 4S4M
  6S6M Air

Other

Rear Mud Flap Hangers

  • Painted
  • Stainless Steel

Quarter Fenders

  • Stainless Steel
  • Black Molded

Deck Plate Access

  • Left
  • Right
  • Both

Batteries

  • PACCAR
  • Optima

Air Cleaner(s)

  • Under Hood

Air Dryers

  • Bendix

Air Tanks

  • Aluminum
  • Steel

Chassis Hose

  • Nylon

Air & Electric Mounting

  • Optional
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Signature Peterbilt Grille