Interim Tier 4/Stage III B Engine Line Up
For Interim Tier 4 engines 56 kW (75 hp) and above, John Deere will start with its proven Tier 3/Stage III A PowerTech™ Plus engine platform, which includes cooled exhaust gas recirculation (EGR) for NOx control, and add an exhaust filter for reducing particulates. As with previous emissions tiers, John Deere will offer appropriate levels of technology for specific customer needs in a wide variety of applications.
The engine models and ratings 130 kW (174 hp) and above for the John Deere Interim Tier 4/Stage III B lineup include:
Learn more about the Interim Tier 4 Naming Convention for engines 130 kW (174 hp) and above.
Experience with Cooled EGR and VGT
John Deere was the first engine manufacturer to widely commercialize cooled EGR and VGT technologies in off-highway applications, introducing them in 2005 with the start of Tier 3 regulations. During Tier 3, John Deere has accumulated significant operating hours with these technologies in off-highway applications and has established a proven record of reliability. Other engine manufacturers are just now considering the use of these effective technologies in their off-highway Interim Tier 4 product offerings.
John Deere Engines below 56 kW (75 hp)
Five ratings from the John Deere PowerTech M and PowerTech E engine lineups meet Interim Tier 4 and Stage III A emissions regulations. In early 2007, JDPS announced that PowerTech M 2.4L engines and PowerTech E 2.4L engines below 56 kW (75 hp) are Interim Tier 4 and Stage III A certified without the addition of an exhaust filter.
Integration
John Deere Power Systems is one of the few manufacturers that build engines exclusively for off-highway applications. This specialization has given John Deere unparalleled experience in developing, packaging and mounting engines and engine controls rugged enough to withstand the extreme vibration, temperatures and duty cycles found in off-highway conditions. This fact benefits John Deere OEM customers as well as John Deere machine owners. And because John Deere designs both engines and its own construction, forestry and agricultural machines, it has unique expertise in integrating the engine, drivetrain, cooling package and controls for optimized performance, efficiency and cost.
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