Strength

  • GCW

    66,000 lbs.

  • GVW
    23,500 - 44,600 lbs.

Configurations

  • AXLE CONFIGURATIONS
    4x2 SBA
    6x4 SBA
  • CAB INTERIOR TRIM LEVELS
    Deluxe
    Premium
  • CAB/SLEEPER CONFIGURATIONS
    Day Cab
    Extended Cab
    Crew Cab
  • MODELS
    4300, 4400: 107" BBC, 40" BA
  • WHEELBASE OPTIONS
    128 - 254"

Drivetrain

  • ENGINES
    Cummins® B6.7:
    200 hp, 520 lb.-ft. torque, up to 325 hp, 750 lb.-ft. torque
    Cummins® L9:

    Up to 350 hp, 1,000 lb.-ft. torque

  • EXHAUST SYSTEM

    Single, Horizontal, After-treatment Device Frame Mounted Right or Left Side,

    Back of Cab, Horizontal or Vertical Tailpipe

    Switchback After-treatment Device Mounted Right Side Under Cab, Horizontal or Vertical Tailpipe

    Horizontal After-treatment Device Mounted In-line, Back of Cab, Horizontal Tailpipe

  • FRAME RAILS
    Clean CA available for body mounting
    Heat-Treated Alloy Steel
    120,000 PSI
    High Strength Low-Alloy Steel
    50,000 - 80,000 PSI
  • FRONT AXLES
    Dana Spicer:
    8,000 - 14,000 lbs.
    Meritor:
    8,000 - 14,600 lbs.
  • FRONT SUSPENSIONS
    Spring Parabolic Taper Leaf:
    8,000-14,600 lbs.
  • REAR AXLES
    Single (4x2)

    Meritor: 13,500 - 30,000 lbs.

    Dana Spicer: 13,500 - 30,000 lbs.

    Tandem (6x4)

    Meritor: 34,000 - 40,000 lbs.

    Dana Spicer: 34,000 - 40,000 lbs.

  • REAR SUSPENSIONS
    IROS Air Suspension Available for Single and Tandem Axle
    Spring Single VariRate:
    15,500 - 23,000 lbs.
    Tandem, 4-Spring Multileaf:
    34,000 lbs. (6x4)
  • TRANSMISSIONS
    Allison:
    1000, 2000, 3000 Series (HS, EVS, RDS) Automatic
    Allison:
    3000 TRV Series Automatic
    Eaton® Fuller:
    6-, 10-speed manual
    Eaton® Procision:
    7 speed Dual Clutch Automatic

Other Components

  • ALTERNATORS
    12 Volt 160-320 amp
  • BATTERY SYSTEMS
    12 Volt, 2 to 3 batteries
  • BRAKES
    Hydraulic Disc With Four Channel ABS
    Air Brakes With ABS
  • ELECTRICAL SYSTEM
    Diamond Logic® Electrical System
  • FUEL TANKS
    40 - 140 Gallon Non Polished and Polished Aluminum
  • HEADLIGHTS
    Long Life Halogen
  • STEERING
    TRW/Ross Power
    Sheppard Power