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

    200 hp, 520 lb.-ft. torque, up to 325 hp, 750 lb.-ft. torque

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

    275, 860 lb.-ft. torque, up to 330 hp, 950 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