• Engine

  • Axles

  • Body

  • Brakes

  • Cab

  • Hydraulic System

  • Main Frame

  • Service Refill Capacities

  • Steering System

  • Suspension System

  • Transmission

  • Tyres

  • Weight (Approximate)

HM400-5 Dump Trucks

Komatsu’s HM400-5 is a 40-tonne capacity articulated truck, powered by a low emission Tier 4 Final-compliant engine and featuring our advanced truck transmission system. Along with exclusive hydraulic braking and retarder systems for unrivaled 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 New Zealand-wide service and support network.

Tier 4 Engine KDPF Regeneration
  • 348 kW / 466 HP
  • 75,135 kg
  • 40,000 kg

Current Offers

Komatsu Traction Control System

Komatsu Traction Control System (KTCS) automatically engages the inter axle lock and the KTCS braking to provide optimal traction in soft ground conditions

Selectable Economy and Power Working Modes

Selectable working modes for Economy and Power allows machine performance to be optimised based on demand and operating conditions

Auto Idle Shutdown

In order to reduce unwanted idle time, Komatsu machines feature Komatsu Auto Idle Shutdown. This function will shut the engine off and apply the parking brake and hydraulic lock after a preset idle time limit

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