Komatsu GD555 Motor Grader

Equipped with Komatsu SAA6D107E-1 engine delivering high output and improved fuel efficiency for powerful, smooth grading operations.

Turbocharged engine supports high-altitude performance and enhanced torque for demanding conditions.

Electronically controlled engine optimizes fuel injection and timing for reduced emissions and lower fuel consumption.

Cold-start capability ensures reliable operation in extreme winter conditions and improves machine availability.

Large-capacity cooling system allows consistent engine temperature and extended component life under heavy workloads.

High torque at low RPMs offers stronger push and grading performance with reduced gear shifting.

Komatsu power shift transmission offers automatic shifting for operator ease and productivity enhancement.

Torque converter lock-up ensures direct drive, improving fuel economy and transmission efficiency.

Eight forward and four reverse speeds enable flexibility across various job site requirements.

Electronically controlled transmission ensures smooth gear changes and reduces operator fatigue.

Differential lock/unlock system improves traction and stability in challenging terrain or uneven surfaces.

Transmission mounted at rear enhances weight distribution for balanced machine control.

Load-sensing closed-center hydraulic system provides precise blade control based on real-time operational needs.

Large displacement hydraulic pump ensures quick response and improved multitasking between blade and other functions.

Multi-position moldboard tilts, slides, and rotates, allowing versatile grading in different soil conditions.

Front-mounted blade lift cylinders offer excellent visibility and greater clearance over obstacles.

Circle slip clutch protects drive components by absorbing shock during sudden load changes.

Blade float function allows free blade movement for finishing and snow removal applications.

Spacious ROPS/FOPS cab provides panoramic visibility and operator protection in rollover or falling object scenarios.

Ergonomic control layout with low-effort levers ensures precise handling and reduced fatigue over long shifts.

Viscous damping suspension seat improves ride comfort on rough terrain.

Climate-controlled cab maintains interior temperature for all-season operation.

Low noise and vibration levels support better concentration and long-term health of the operator.

Adjustable steering and control console suit various operator preferences and body types.

Engine, transmission, and hydraulic service points are easily accessible for routine inspection and maintenance.

Grouped grease fittings simplify daily servicing and reduce machine downtime.

LCD monitor displays real-time system status, fault codes, and operational parameters.

Modular component design reduces replacement time and enhances repair efficiency.

Maintenance-free batteries and long-life hydraulic oil lower total cost of ownership.

Centralized electrical service center improves wiring inspection and diagnosis efficiency.

KOMTRAX system offers remote machine tracking, fuel usage, maintenance alerts, and work history analysis.

Rearview mirrors and optional camera improve awareness around the machine in congested work zones.

Anti-slip steps and handrails ensure secure cab access, even in wet or muddy conditions.

Automatic parking brake engages upon engine stop, preventing unintended machine movement.

Backup alarm and warning indicators notify nearby personnel of machine operation.

LED work lights improve nighttime visibility, enhancing productivity and site safety.