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The range of KDI engines by KOHLER Engines is already the new technological benchmark for industrial applications in the range of powers from 50 hp to 134 hp. The rapid success of this innovative engine solution is the result of engineering choices that meet the specific needs of manufacturers and end users. Its small size, the best performance in its category, its modest fuel consumption and ease of installation, make this an engine that optimizes productivity and efficiency, reducing maintenance costs while ensuring compliance with any emission standards, from the most severe to the least restrictive, thanks to a flexible and innovative system of after-treatment in its category. The starting point is its tried-and-tested “bedplate” architecture, whose superior strength and torsional rigidity are ideal for application on agricultural tractors where the engine is a structural part of the machine and has to cater for the considerable strain that is typical of these applications. The supporting structural oil pan with a central tunnel for the transmission shaft has been specifically designed for specialist tractors. The footprint is not the only element that helps simplify the installation of KDI engines. It has 2 auxiliary lateral power take offs (PTO) (SAE A and SAE B), designed to pick up the most power possible from the engine, enabling perfect integration with the machine’s hydraulic system for effective powering of the accessories that are usually used, guaranteeing the interface with any type of transmission and ultimately reducing the space needed for the application. There are also provisions enabling compressors to be fitted on the engine for handling the air-conditioning system and the air brakes circuit (optional). The location of some of the components has also been optimized to meet the needs of agricultural machinery manufacturers. Alongside the optimization of the components and provisions, the power and torque curves of KDI engines have been optimized for optimum adaptation to the typical usage profiles of agricultural applications, obtaining power density levels that make them candidates as replacements for larger displacement engines. The high pressure (2000 bar) Common Rail injection system and the electronic engine management logic integrate perfectly with the electronics managing the end machine. For agricultural versions, in particular, priority has been given to the response and speed of delivery along the entire torque curve, which makes for a machine with prompt operation whatever the conditions. The various versions (KDI 1903, KDI 2504 and KDI 3404), with various calibrations, guarantee all the certifications in the range up to 134 hp required by the European Union, North America and other countries. The solution offered by KOHLER Engines also includes specially designed dual stage diesel filtering systems, making it possible to use low-quality diesel fuel without creating problems for the engine. The conversion kits enable remapping of the ECU with the de-tiering of the engine on second-hand machines for sale in countries where there are no restrictions on exhaust emissions. It is no coincidence that KDI engines are already the choice of numerous leaders in their field.
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