As OEMs face increasing demands for improved emissions performance, fuel economy, and equipment productivity, power solutions providers like John Deere Power Systems (JDPS) are investing in future-forward technologies. These will give OEMs and their customers a competitive edge in the off-highway market as they work to meet productivity and sustainability goals. Leveraging the best technologies of John Deere in new ways to meet both market and customer demands, JDPS is delivering new levels of reliability, durability, flexibility, and serviceability with its Next Generation Engines. When developing its Next Generation Engine lineup, JDPS consulted leading equipment manufacturers to learn more about which engine improvements were at the top of their lists. The result? An expanded engine power range that can easily integrate into a wide array of heavy-duty applications — and the opportunity to offer engines that don’t require extra fluids like diesel exhaust fluid. The Next Generation Engine lineup includes the JD4, JD14, and JD18. With this extended power range, OEMs can put John Deere power and performance into their entire line of equipment, from 36 to 677 kW (48 to 908 hp)..

The JD4 features a rear gear chain

New to the John Deere engine lineup, the JD4 provides up to 116 kW (156 hp) of power. It features a rear gear train that provides customers with low noise and higher PTO power. The engine also has an extended single turbo range and provides 670 Nm (494 lb-ft) of maximum torque for improved high-load capacity and productivity. The JD4 offers a more reliable diesel exhaust fluid (DEF) delivery system. The engine also features extended fluid service intervals of 750 hours, reducing maintenance costs for customers. Hydraulic lash adjusters eliminate valve lash maintenance. The JD4 engine offers up to two auxiliary drive pads, providing three times more available auxiliary power. This additional power allows flexibility and enables off-boarding for electrification and hybrid applications. The JD4 will be compatible with EU Stage IIIA – Stage V emissions levels through common interfaces. The engine is low-NOx ready with planned external cooled exhaust gas recirculation (EGR) and a single overhead cam shaft valve train. The JD4 engine is also compliant with US EPA Final Tier 4 and EU Stage V with no EGR.

JD14 essentials

The JD14 industrial engine is the culmination of more than 15 years of developing and refining effective engine design while keeping up with evolving emissions regulations. Having met the emissions regulations in both the EU and North America, JDPS focused its resources on refining and optimizing these systems. The JD14 features a reduced footprint for more space and offers more power in a smaller package, which allows it to meet the needs for a wide array of heavy-duty applications. The featured hydraulic lash adjusters provide longer engine life while eliminating valve lash maintenance. An advanced control system analyzes sensor data to keep operators working without interruption. Prognostic capabilities are also built into the engine to help users identify potential problems and schedule service prior to downtime. The in-line integrated Emissions Control system of the JD14 offers 90 degrees of optionality. It can be mounted horizontally or vertically, allowing the industrial engine to be compatible with more machines in customers’ fleets while reducing connection points and optimizing thermal management.

Key points on the JD18

Building on the rugged design of the JD14 engine, the JD18 was designed with ease of service and repair in mind. The JD18 extends Deere’s rated power range to 522 – 677 kW (700 – 908 hp). The engine features a rear gear train, which produces excellent direct power and options up to two rear aux drives for a total of 902 Nm (665 lb-ft) max torque providing quiet operation. With peak power ratings from 572 – 677 kW (767 – 908 hp) and new combustion technology, the JD18 does not require after treatment. Without the need for DEF, users have one less fluid to manage. The high-pressure common-rail fuel system allows the engine to deliver optimized fluid consumption. The Diamond Like Coating (DLC) improves bio-diesel compatibility and system robustness. The new combustion technology features a simplified air system with fixed and wastegate turbos, allowing the engine to meet emissions requirements without applying after treatment. This feature provides a simplified engine integration and package size.


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