Komatsu 855 18.1t 2020-2025 - Technical data

Komatsu 855 - Product Description

Powertrain and Design

The Komatsu 855 is equipped with a powerful engine rated at 170 kW DIN (231 hp) and a displacement of 6.6 l. This engine meets the EU Stage IV and EPA Tier 4 Final regulations, contributing to low emissions and combustion efficiency. The unique interaction between the engine, control system, and transmission results in exceptional maneuverability and productivity in all conditions. With optimized combustion chambers, the engine achieves high efficiency at low engine speeds.

Undercarriage and Hydraulics

The Komatsu 855 features a hydrostatic-mechanical transmission with eight-wheel drive, providing excellent traction and maneuverability even in challenging terrain. In addition, the hydraulic system includes a load-sensing feature and a variable displacement pump that delivers 280 l/min, enabling efficient hydraulic resource use. Integrated control functions make machine operation exceptionally straightforward and ergonomic.

Operating Parameters

The traction force of the Komatsu 855 is 187 kN, enhancing its load-carrying capability. The machine's weight starts at 18,000 kg, with a maximum gross load of 14,000 kg. The bunk area ranges from 4.4 to 5.9 m², depending on available options. The crane's lifting torque reaches 127 kNm, with a reach of 8.0/10.0 m.

Optional Equipment

The Komatsu 855 offers a wide range of options, including various types of cranes and convenient undercarriage choices. Additional features such as hydraulic height-adjustable stakes and the optional MaxiFleet fleet management system enhance operational flexibility. The FlexGate and FlexBunk options allow for customized load handling, making it adaptable to specific operator needs.

Safety and Technical Data

Operator safety is ensured by a cab that complies with ISO 8082 (ROPS) and optional features such as Komatsu Comfort Ride suspension. The braking system consists of fully hydraulic multi-disc brakes, ensuring safety during operations. The machine design focuses on easy serviceability, significantly reducing the risk of downtime.