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Truck Advice for Heavy Haulers

Monday, September 27th, 2010

FixonRoad.com™ keeps you up to date on the latest news in the trucking industryBig rigs and heavy haulers that transport loads of more than 120,000 pounds gross combination weight (GCW) need to specify their trucks properly with regard to durability and power. Trucks that are not specified correctly may impact fuel mileage and increase acquisition costs.  Additionally, trucks marked incorrectly may not be powerful enough to move the load and may increase truck repair and truck maintenance costs. It is crucial to find the correct balance between the truck’s job requirement and the expected annual mileage.  This balance will help to produce the lowest operating cost per mile.

Heavy Haulers Truck Repair

Heavy haulers can select a truck engine after-treatment approach that utilizes Selective Catalytic Reduction (SCR) technology in conjunction with Exhaust Gas Recirculation (EGR).

To complicate matters even more, this year 2010 federal truck engine emissions standards in the US and Canada may require heavy haulers to make revisions to their current trucking equipment configurations.

There are currently two choices of truck engine technologies – Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR).  The choice will impact truck performance and operating costs over the lifetime of the truck

Heavy haulers can select a truck engine after-treatment approach that utilizes Selective Catalytic Reduction (SCR) technology in conjunction with Exhaust Gas Recirculation (EGR).

Increased Exhaust Gas Recirculation (EGR) boosts the amount of exhaust gases in the engine cylinder.  Then it slows and cools the combustion process to burn off pollutants.  This method requires greater truck engine cooling capacity as well as an increase in the amount of fuel to be injected.

Selective Catalytic Reduction (SCR), on the other hand, does not utilize heat from the truck engine to treat emissions.  Therefore, SCR based truck engines offer the advantage of greater fuel economy.

It is a good idea for heavy haulers choosing SCR to also be sure to take into consideration Diesel Exhaust Fluid (DEF) tank capacity and placement designed for heavy haulers. This will help to ensure that heavy haul operators maintain truck wheelbase and body configurations.

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