Peterbilt 520-Alternative Fuel

PETERBILT ALTERNATIVE-FUELS MODEL 520

So you want to know what makes up the 520? Read the full truck specifications, including fuel exhaust, axles, lighting and aerodynamics.

Powertrain, Drivetrain & Exhaust

Engine

Cummins Westport ISL G
Cummins Westport ISX12 G

Transmission

  • Allison Automatic

Exhaust

Vertical  
Single  

Exhaust Guards

Vertical Stainless Steel

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

HOOD

  • N/A

Bumper

  • Steel Painted or Chromed
  • Aluminum Natural or Polished

Wheels

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

Tires

  • Bridgestone
  • Goodyear
  • Michelin

Fuel Tanks

23" Aluminum 50-120 gallon
26" Aluminum 50-150 gallon

Cab & Sleeper

Cab

  • Steel

Sleeper

  • N/A

Seats

Driver Peterbilt
  Sears
Passenger Peterbilt
  Sears

Battery Box

  • Aluminum
  • Steel

Tool Box

  • Optional

Frames, Axles & Suspensions

Frame

Steel 10-3/4"

5TH Wheels

  • N/A

FRONT AXLES

Dana Spicer 20K lbs.

Front Springs

  • Taper Leaf

Front Hubs

  • Iron
  • Aluminum LMS
  • Aluminum PreSet Plus

REAR AXLES

Dana Spicer Single – 21-30K lbs.
  Tandem – 40-60K lbs.
Meritor Single – 21-23K lbs.
  Tandem – 40-46K lbs.

REAR SUSPENSIONS

Peterbilt Air Leaf
  Low Air Leaf
  AirTrac
Reyco 79KB
  102AR
  102
Hendrickson RT
  HMX
Chalmers 854
Neway ADZ

REAR HUBS

  • Iron LMS
  • Iron
  • Aluminum LMS
  • Aluminum PreSet Plus

Front Brakes

Air Disc  
Air Cam Drum 16.5" X 5" / 16.5" X 6" / 16.5" X 7"

Rear Brakes

Air Disc  
Air Cam Drum 16.5" X 7" / 16.5" X 8.6" / 18" X 7"

ABS SYSTEM

Bendix 4S4M Air
  6S6M Air

Other

Rear Mud Flap Hangers

  • Painted
  • Stainless Steel

Quarter Fenders

  • Black Molded
  • Stainless Steel

Deck Plate Access

  • N/A

Batteries

  • PACCAR
  • Optima

Air Cleaners (Single)

  • Back of Cab

Air Dryers

  • Bendix

Air Tanks

  • Aluminum
  • Steel

Chassis Hose

  • Nylon
  • Wire Braid

Air & Electric Mounting

  • N/A
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