The HM400-5 is a 40-tonne capacity truck, powered by a new technology Komatsu engine and featuring our advanced truck transmission system, along with exclusive hydraulic braking and retarder systems for unrivalled traction, braking power and safety in all applications. As with all our trucks, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax remote monitoring and location system, backed by our Australia-wide service and support network.