Komatsu D355A

The Komatsu D355A is a legendary heavy-production crawler bulldozer originally introduced in 1969. Known for its immense size and pushing power, it features a 410 HP turbocharged engine, weighs around 44 to 55 metric tons, and is primarily used for demanding mining, quarrying, and large-scale earthmoving projects.Core Specifications (D355A-3 / D355A-5)Engine: Komatsu SA6D155-4(A), 1175.4 cubic inches displacementGross Power: \(410 \text{ hp} \text{ (305.74 kW)}\) @ 2000 rpmOperating Weight: 97,907 to 121,000 lbs (44.4 to 55 tonnes) depending on configurationBlade Capacity: Up to 19.9 to 22 cubic yardsDrivetrain: Komatsu TORQFLOW transmission for smooth torque transferGlobal Market and Cultural ImpactHeavy Applications: The D355A was purpose-built for severe mining conditions, such as digging high-density iron ore, and was famously exported globally to locations like Australia.Notoriety: Outside of the mining world, a heavily armored Komatsu D355A gained international infamy in 2004 when a disgruntled individual used it as an improvised bulldozer tank in Colorado.Equipment Availability: Due to its sturdy undercarriage and heavy crawler features, the D355A remains a sought-after unit in secondary markets for heavy industrial grading and pushing. Used listings for various versions of the tractor are typically found on international machinery platforms such as Machineryline or Mascus Romania.