Enduring Reliability. Every Part. Genuine Cummins New And ReCon Parts For Natural Gas Engines.

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1 Enduring Reliability. Every Part. Genuine Cummins New And ReCon Parts For Natural Gas Engines.

2 Enduring Reliability. Every Part. Interest in natural gas engines isn t limited to the West Coast or to large urban bus fleets. More and more waste disposal companies, regional haulers and even long-distance truckload fleets nationwide are looking to take advantage of the lower cost and clean operation of the readily available resource of natural gas. Cummins Westport is the transportation industry s leading producer of natural gas-fueled engines across every market from urban transit buses and refuse vehicles to pickup-and-delivery vans and long-haul trucks by a wide margin. One of the reasons for that success is the engine build strategy using many common parts from Cummins diesel engines as the foundation, with support through the largest and most capable parts and service network in the world. Over 80 percent of the major components in the Cummins Westport ISX12 G and ISL G natural gas engines are exactly the same as their diesel counterpart. That has several advantages. First, diesel engines are built with robust components to withstand higher combustion pressures, so they naturally last longer. Second, there are economies of scale in using the same high-volume parts across both diesel and natural gas platforms, lowering the cost of the part and improving availability. Third, having similar components including the electronic control systems that govern engine and aftertreatment performance makes it easier for service technicians to maintain these engines. Plus, you get the benefit of having Genuine Cummins new and ReCon parts available at over 7,100 authorized distributor and dealer locations throughout the world.

3 Diesel Durability In A Natural Gas Engine. Cummins Westport natural gas engines share the engine block and most other major components with their Cummins diesel counterparts. They include: n Engine block n Crankshaft n Camshaft n Main bearing n Bushings n Connecting rods n Cylinder liner n Cylinder head n Turbocharger Those parts are built to withstand a compression ratio of 16.6:1, so they can easily handle the 12:1 compression ratio in a natural gas spark-ignited engine. Service Made Simple. Cummins Westport natural gas engines use the same electronic software as their diesel counterparts, including the operating system and a common set of diagnostic tools, for ease of service and repair. Trip information and diagnostic codes can be downloaded using the Cummins QuickCheck 5600 handheld unit and INSITE software.

4 Parts Unique To Natural Gas Engines. Cummins Westport takes Cummins advanced diesel technology, then utilizes its own specialized knowledge to adapt and replace the components needed to optimize combustion, performance and reliability in natural gas engines. Although some parts are unique to natural gas engines, every Cummins Westport natural gas engine part is available through the Cumminsauthorized parts and service network. Fuel storage devices and lines are very different between diesel and natural gas engines. Cummins Westport natural gas engines can run on liquefied natural gas (LNG), compressed natural gas (CNG) or renewable natural gas (RNG) made from biogas or landfill gas that has been converted to vehicle-fuel quality. The size, pressurization and temperature of those devices are unique to Cummins Westport natural gas engines. In addition, Cummins Westport natural gas engines have a coil-on-spark ignition system with a different air-handling system from that of their diesel counterparts. These engines achieve nearzero emissions with Stoichiometric cooled Exhaust Gas Recirculation (SEGR), which utilizes virtually all of the available oxygen in the fuel/air mixture. That enables the use of a proprietary Three- Way Catalyst (TWC) in the exhaust system to meet global emissions standards. The TWC was developed by Cummins Emission Solutions, and it is maintenance-free. A Better Choice. There are over 50,000 Cummins Westport natural gas engines in service worldwide, including the B Gas Plus, C Gas Plus and L Gas Plus engines. That s why we offer a choice between Genuine Cummins new or ReCon parts. All Genuine Cummins parts incorporate any upgrades in material and manufacturing. Cummins ReCon parts go through a rigorous remanufacturing process that includes complete disassembly, cleaning, inspection, replacement of any worn elements, reassembly and testing to verify that the parts meet Cummins original performance specifications. For best performance, reliability and durability, you can t do better than Genuine Cummins new and ReCon parts for a Cummins Westport natural gas engine.

5 A Better Process At The Core. When you are replacing a part, Cummins has a process in place that makes core returns simple and straightforward. After a simple visual inspection, you ll know upfront how much credit can be applied to the replacement part being installed. When uptime is at a premium, it s quick and easy to get back on the road in a hurry. With Cummins, You re Covered. Genuine Cummins Parts Vs. Non-Genuine Parts. With the growing number of Cummins Westport engines in the marketplace, parts manufacturers have started offering substitutes that are not Genuine Cummins parts particularly high-volume diesel components. There is a significant difference between non-genuine parts and Genuine Cummins parts for natural gas engines. Close examination shows differences in materials, overall design and machining on those critical parts quality differences that can lead to premature wear, reduced fuel economy and increased risk of engine failure. Visit cumminsgenuineparts.com and click on Competitive Analysis in the menu bar for a look at Genuine Cummins vs. non-genuine pistons, bearings, turbochargers and more. When you purchase Genuine Cummins new or ReCon parts for your Cummins Westport natural gas engine, you ll also get the peace of mind that comes from having a full warranty that will be honored at any Cummins-authorized parts and service location. So no matter where you re headed, you re covered. Every Question. Answered. It might be a question about a maintenance issue. Or you might need help locating the nearest Cumminsauthorized service location. Whatever you need, Cummins Care is ready with experts standing by 24/7/365. Just call DIESELS ( ) for assistance with your Cummins Westport natural gas parts and service needs.

6 Cummins Inc. Box 3005 Columbus, IN U.S.A. Phone: DIESELS ( ) Fax: Internet: CumminsGenuineParts.com Twitter.com/CumminsEngines YouTube.com/CumminsEngines Bulletin Printed in U.S.A. Printed 12/ Cummins Inc.