Komatsu HM400 Manual Pdf

Komatsu HM400 Manual Pdf
Komatsu HM400 Service Manual

Komatsu HM400, With a powerful Komatsu EU Stage IV engine, the advanced Komatsu Traction Control System, selectable working modes for on demand performance adjustments, a robust exterior, and state-of-the art solutions for its suspension and retarder, the HM400-5 is a perfect choice for any jobsite, in any conditions.

Komatsu fuel-saving technology. The variable displacement piston pump reduces Power Take-Off (PTO) loss. Improvements in transmission and axles increase energy savings, and the sophisticated electronic control of the engine operation helps to achieve optimal energy efficiency.

To reduce unnecessary fuel consumption and exhaust emissions, and for lower operating costs, the Komatsu auto idle shutdown automatically turns off the engine after it idles for a set period of time, which can be easily programmed from 5 to 60 minutes. An Eco-gauge and Eco guidance tips on the cab monitor further encourage efficient operations.

Komatsu EU Stage IV
The Komatsu EU Stage IV engine is productive, dependable and efficient. With ultra-low emissions, it provides a lower environmental impact and a superior performance to help reduce operating costs and lets the operator work in complete peace of mind.

Komatsu Heavy-duty aftertreatment
The aftertreatment system combines a Komatsu Diesel Particulate Filter (KDPF) and Selective Catalytic Reduction (SCR). The SCR injects the correct amount of AdBlue into the system at the proper rate to break down NOx into water (H2O) and non-toxic nitrogen gas (N2). NOx emissions are reduced by 80% vs. EU Stage IIIB engines.

Komatsu Variable Geometry Turbo (KVGT). The KVGT provides optimal airflow to the engine combustion chamber under all speed and load conditions. Exhaust gas is cleaner, fuel economy is improved while machine power and performance are maintained.

Komatsu Traction Control System (KTCS). For its world renowned rigid dump trucks, Komatsu developed various wheel slip control systems that were refined and combined with new technologies to produce the advanced traction control system that equips all HM400-5 machines. KTCS automatically provides optimum traction in any ground condition. If tyre slippage is detected by one of the speed sensors located on four of the wheels, it triggers the automatic application of the inter-axle differential lock. If slippage persists, the intelligent brakes systems automatically control the slipping wheel and regain traction on the opposite side. This improves productivity and tyre durability.


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