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Engines
PETERBILT 320 CAB-FORWARD REFUSE CHASSIS
ENDURING CRAFTSMANSHIP
DURABILITY
Built to Work Hard
No other truck measures up to the harsh demands of the refuse industry like the rugged Peterbilt 320, a low-cab forward vehicle that is the perfect fit for this challenging application. A huck-bolted aluminum cab features lap seam construction on a zinc-coated steel sub-frame for durability and corrosion resistance. Bulkhead style doors provide years of virtually watertight performance.ENGINE OPTIONS
POWERTRAIN OPTIMIZATION
Fuel-efficient, Reliable and Environmentally Sound

The Model 320 diesel engine lineup spans from the lightweight, efficient Cummins ISL9 to the powerful Cummins ISX12 with ratings up to 400 horsepower and 1,650 lb-ft. of torque, The Model 320 is ready for the toughest jobs. For applications requiring natural gas fuel, the Model 320 is available with the Cummins Westport ISL G rated at 320 horsepower and 1,000 lb-ft of torque. This spark-ignited engine is capable of running on either Compressed Natural Gas (CNG) or Liquefied Natural Gas (LNG), offering ultimate flexibility in fuel sources. With the flexibility to mount tanks either on the rail or integrated into the body, the Model 320 allows for maximum use of space when integrating a body for a variety of applications.

VERSATILITY
SPEC’D FOR THE JOB
Application-ready Options
The Model 320 cab is available in left-hand, right-hand and dual drive with right-hand stand-up configurations. An industry-leading, 65-degree cab tilt enhances maintenance and serviceability. The Model 320 offers a full range of axle selections in single, tandem or tri-drive configurations, plus a full complement of tag and pusher axle options and a tandem steer front axle configuration rated at 36,000 pounds. For heavier applications, optional frame liners are available. The battery box is lightweight, compact and fender-mounted to free up valuable frame space.POWERTRAIN, DRIVETRAIN & EXHAUST
ENGINE
Cummins ISX12 Cummins ISL9 Cummins Westport ISL G Cummins Westport ISX12 GTRANSMISSION
Fuller Manual Allison AutomatedEXHAUST
Vertical SingleFRAME
Steel 10-3/4″5TH WHEELS
HollandFRONT AXLES
Dana Spicer 12-20K lbs. Meritor Single- 12K lbs. Meritor Tandem-36K lbs.REAR AXLES
Dana Spicer Single – 21-30K lbs. Tandem – 40-46K lbs. Tridem – 69K lbs. Meritor Single – 21-23K lbs. Meritor Tandem – 40-46K lbs. Meritor Tridem – 66K lbs.REAR SUSPENSIONS
Peterbilt Air Leaf Low Air Leaf Air Track Reyco 79KB 102AR 102 Hendrickson RT HMX Hn Chalmers 854 NewayTHE PETERBILT VOCATIONAL LINEUP
