بلدوزر Komatsu D155

Komatsu D155 — Heavy Bulldozer (Earthmover)

The Komatsu D155 is a large, powerful crawler bulldozer used mainly in construction, mining, earthmoving, land leveling, pipeline installation, road building, and heavy-duty grading tasks. It belongs to Komatsu’s D155 series of dozers, known for strong performance and reliability on tough job sites

⚙️ Key Features

Engine & Power

Powered by a Komatsu SAA6D140E 6-cylinder diesel engine.
Produces about 264 kW (~354 HP) at 1900 rpm.

Operating Weight

Typical operating weight is roughly 40 – 55 tonnes, depending on model and configuration (e.g., AX, CX or PX versions).


Blade Capacity

Blade size varies across models (e.g., ~9.4 m³ up to larger capacities).
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Transmission

Uses Komatsu’s TORQFLOW automatic transmission with torque converter and planetary gear sets for smooth power delivery.


Comfort & Controls

Operator cabins emphasize visibility, comfort, and safety with ergonomic controls. Many modern versions include advanced controls and monitoring.

Typical Uses

Earthmoving & Grading: Efficient for pushing large volumes of soil and material.

Construction & Roads: Site preparation, grading for roads, highways, and foundations.

Mining & Quarries: Heavy duty pushing and ripping operations.

Pipeline & Large Projects: Special variants help lift/position pipes or handle uneven terrain