Construction & Marine Equipment

Cat® 390 Large Hydraulic Excavator

P/NKDX-CE-006by Caterpillar Inc.
Cat® 390 Large Hydraulic Excavator

Applications

  • Large Quarry Operations
  • Surface Mining
  • Heavy Civil Earthmoving
  • Demolition

Overview

The Cat 390 is Caterpillar's largest production hydraulic excavator, delivering maximum productivity for large-scale quarrying, surface mining, and heavy civil earthmoving. Powered by the Cat C18 engine at 397 kW (532 hp), it moves up to 4.5 m³ per pass with the standard mass excavation bucket. The 390 features Cat's IQAN electronic monitoring, advanced hydraulic system with load-sensing control, and a robust X-frame undercarriage designed for extreme duty cycles. Full Cat dealer support network and remote diagnostics via VisionLink are standard.

Technical Specifications

Operating Weight~90,000 kg
EngineCat C18 ACERT (397 kW / 532 hp)
Bucket CapacityUp to 4.5 m³
Max Dig Depth8,055 mm
Swing Speed6.2 rpm
Hydraulic PumpDual variable-displacement piston

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All parts ship with a Certificate of Conformity and full traceability documentation.