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Komatsu HM300-1 User Manual

Komatsu HM300-1
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www.Komatsu.com Printed in Japan 200812 IP.AD(05)
CEN00031-01 Materials and specifications are subject to change without notice
is a trademark of Komatsu Ltd. Japan
Standard equipment may vary for each country, and this specification sheet may contain attachments and optional equipment
that are not available in your area. Please consult your Komatsu distributor for detailed information.
GROSS HORSEPOWER
250 kW 335 HP
NET HORSEPOWER
242 kW 324 HP
MAXIMUM GVW
49,875 kg 109,960 lb
Photo may include optional equipment
A
RTICULATED
D
UMP
T
RUCK
HM300-1
HM
300
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Komatsu HM300-1 Specifications

General IconGeneral
BrandKomatsu
ModelHM300-1
CategoryTrucks
LanguageEnglish

Summary

HM300-1 Articulated Dump Truck WALK-AROUND

Wide, spacious cab

The wide cab offers a comfortable operator environment with good visibility.

Tiltable cab

The cab can be tilted rearward to provide easy service access for the engine and transmission.

Komatsu designed, electronically controlled transmission

Features K-ATOMICS for smooth shifts and optimal control based on vehicle conditions.

Easy-to-Load Body

Offers high capacity, low loading height, and durable construction with wear-resistant steel.

Hydro-pneumatic Suspension for all terrains

Provides a comfortable ride over rough terrain, enhancing productivity and operator confidence.

Maintenance-free oscillating hitch

Utilizes tapered roller bearings for lower operating costs by eliminating lubrication needs.

High performance SAA6D125E-3 engine

Offers faster acceleration, higher travel speeds, and low emissions with advanced technology.

Fully hydraulic articulated steering

Ensures light and easy operation with a minimum turning radius for maneuverability.

Differential locks for excellent traction

Features oil-cooled interaxle locks and limited slip differentials for maximum traction.

Reliable, continuously cooled, wet type multiple-disc brake and retarder

Provides stable brake performance and acts as a responsive retarder for downhill travel.

PRODUCTIVITY FEATURES

High Performance SAA6D125E-3 Komatsu Engine

Engine delivers faster acceleration, higher travel speeds, and low emissions via advanced tech.

Komatsu Designed Electronically Controlled Countershaft Transmission

K-ATOMICS system ensures smooth shifts and optimal control by monitoring vehicle conditions.

Komatsu Designed Differential Locking Systems

Full-time AWD with interaxle clutch and limited slip differentials for enhanced traction.

Hydro-pneumatic Suspension

Proven on rigid dump trucks, provides comfortable ride over rough terrain, maximizing productivity.

Large Capacity Body and Box Section Frame Structure

High capacity, low loading height, durable steel body, and rigid box structure frame.

Hydraulically Controlled Wet Multiple-Disc Brakes and Retarder

Ensures highly reliable brake performance and acts as a responsive retarder for downhill travel.

Articulated Steering

Fully hydraulic steering offers low-effort operation and maneuverability in confined areas.

OPERATOR ENVIRONMENT

Built-in ROPS/FOPS

Structures conform to ISO 3471 and SAE J1040-1988C standards for operator safety.

Hydro-pneumatic Suspension for all Terrains

Assures a comfortable ride over rough terrain, enhancing productivity and operator confidence.

Viscous Cab Mounts

Reduce noise transmission to the cab, achieving a quiet 76 dB(A) noise level for operator comfort.

Air Suspension Seat

Adjustable seat dampens vibrations, reduces operator fatigue, and ensures secure, confident operation.

Electric Body Dump Control Lever

Low effort lever design makes the dumping operation easier for the operator.

Supplementary Steering and Secondary Brakes

These safety features are provided as standard for enhanced operational reliability.

Wide, Spacious Cab with Excellent Visibility

Offers a comfortable space, full-size buddy seat, and superior visibility from the operator's position.

Ergonomically Designed Cab

Operator's compartment designed for ease of use, comfort, and increased productivity.

Easy-to-See Instrument Panel

Facilitates monitoring of critical functions with caution lights and service code recording.

Steering Wheel and Pedals

Low effort pedals and tiltable steering column reduce fatigue for optimal driving position.

EASY MAINTENANCE

Tiltable Cab

Allows rearward tilting for easy maintenance and service of the engine and transmission.

Power Grease Points

Minimized grease points using maintenance-free rubber bushings and an oscillating hitch.

Extended Service Intervals

Service intervals are extended for engine oil, transmission oil, and filters to minimize costs.

Guards

Standard guards include engine underguard, transmission underguard, propeller shaft, and fire prevention covers.

DIMENSIONS

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