Severe Service

Overdrive Staff | April 01, 2012


The Cummins ISX12 engine brings an estimated 12 percent fuel economy improvement over its predecessor, the ISX11.9, in vocational applications. Featuring better pulling power, driveability and strong clutch engagement torque, the ISX12 is designed to work in rigorous duty cycles, including those for work trucks such as dump and mixer trucks, and refuse applications.


Grand Junction, Colo., recently accepted delivery of four natural gas-powered Mack TerraPro Low Entry refuse trucks. Grand Junction operates an all-Mack fleet of 12 refuse trucks, including gas-powered models.


New options for the Peterbilt 382 include higher axle ratings, horsepower and torque configurations for construction, refuse, fire service and emergency applications. Power options include the Cummins ISL9 engine with REPTO functionality, front axles up to 20,000 lb., rears up to 46,000, up to 11 5/8-inch frame rails, the Bendix ESP stability system and Hendrickson, Reyco and Chalmers rear suspensions.

The Peterbilt 320 is available with traditional as well as alternative-fueled hydraulic hybrid powertrains. Options include Sheppard HD94 and SD110 steering gears and other features.


Navistar’s International MaxxForce engines rank highest in customer satisfaction in J.D. Power’s 2011 U.S. Heavy-Duty Truck Engine and Transmission Study, and perform particularly well in four factors: engine reliability and dependability, engine warranty, vibration at idle and average fuel economy.


In addition to a standard 12-month/100,000-mile limited warranty, SelecTrucks’ new pre-owned truck certification will include a 30-Day Satisfaction Guarantee. If the owner is unsatisfied with the used truck, SelecTrucks will exchange it for another within 30 days of purchase.




Granite Medium Heavy Duty

Mack Trucks’ Granite Medium Heavy Duty (MHD) made its debut at the World of Concrete show with an eight-yard volumetric concrete mixer body. The MHD offers a lower-cost, lighter-weight option without sacrificing durability and reliability, the company says.

Mack Trucks,


Shock-proof iPad dock

Gamber-Johnson’s TabCruzer in-vehicle iPad docking station has passed shock and vibration testing and undergone extensive cycle testing for its locking mechanism feature. It comes with a 12-volt DC power supply, USB cable for charging and syncing with a computer, and a 3.5-mm stereo cable for easy connection to vehicle sound systems.




Protecting lubes

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