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Key specifications
- Engine
- Cat 3066T turbocharged, 103 kW (138 hp), meets Tier 2/Stage II emissions
- Performance Boost
- C-series delivers faster cycle times and higher productivity vs B-series
- Hydraulics
- 205 L/min flow, 34,300 kPa max pressure with cross-sensing system
- Tool Control
- Optional system stores flow/pressure settings for 5 different attachments
- Structures
- Robot-welded carbody, track frames, boom and stick with X-shaped design
Model overview
The Cat 320C is a medium hydraulic excavator from Caterpillar's acclaimed C-series, representing mid-2000s technology in the 20-ton class. Powered by the proven Cat 3066T turbocharged diesel engine delivering 103 kW (138 hp), the C-series introduced significant improvements over the B-series with faster cycle times and higher productivity. The 320C features advanced hydraulics including cross-sensing for precise control, boom and stick regeneration circuits for fuel savings, and optional Tool Control System that stores settings for up to 5 attachments. The robotic-welded structures and grease-lubricated track ensure durability in demanding applications.
At a glance
Operating Weight19,700 kg
Net Power103 kW (138 hp)
Max Dig Depth6.72 m (R2.9B stick)
Bucket Force159 kN
Specifications sourced from parts.cat.com (official manufacturer page).
