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<br /> JD14 Engine<br /> 300 – 510 kW (402 – 684 hp)<br /> Proven<br /> and ready<br /> Solid performance.<br /> The JD14 engine provides more power<br /> per liter than 13.5L configurations. With<br /> 14% higher power and 11% increased peak torque,<br /> it allows your machines to work faster, lift more,<br /> and operate more efficiently than ever before. This<br /> engine has been shown to increase harvesting capacity<br /> by up to 45% on John Deere X Series Combines.<br /> The JD14 features a rear gear train that reduces noise by up<br /> to 3 decibels compared to the 13.5L engine. That’s half as<br /> loud, greatly improving operator comfort.<br /> Easy to maintain. Low service costs.<br /> John Deere engineers streamlined common maintenance<br /> steps on the JD14 engine. Hydraulic lash adjusters<br /> decrease valve wear and provide longer engine life while<br /> eliminating valve lash maintenance. An advanced control<br /> system analyzes sensor data to kee<a title="JD14 ProductFlyer page 1" href="https://secure.viewer.zmags.com/publication/7626e9ec?page=1"> JD14 Engine 300 – 510 kW (402 – 684 hp) Prove</a> <a title="JD14 ProductFlyer page 2" href="https://secure.viewer.zmags.com/publication/7626e9ec?page=2"> Operational flexibility. The compact JD14 engine i</a>