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Caterpillar 320D3 · Crawler excavators

Caterpillar 320D3

Next-generation D-Series model with electronic main control valve, Positive Flow Control system, and multiple operating modes (Eco, Smart, Power) for optimized fuel efficiency without sacrificing performance.

Caterpillar 320D3 excavator

Key specifications

Engine
Cat C3.6 / C7.1
Net Power
96 kW (129 hp)
Operating Weight
20,700 kg (45,700 lb)
Max Digging Depth
6.3 m (20.7 ft)
Hydraulic Flow
442 L/min (117 gal/min)
Bucket Capacity
1.1 - 1.2 m³

Model overview

The Cat 320D3 represents the third-generation D-Series excavator with design upgrades focused on fuel consumption reduction, operator comfort improvements, and lower maintenance costs. Operating around 20.7 tonnes with electronic hydraulic controls and smart power modes.

At a glance

Power Class20-ton medium excavator
Swing Speed11.5 rpm
Digging Force128 kN bucket / 109 kN stick
Monitor8-inch touchscreen with keyless start

7574 machines · €277 - €1,700,000 · 1972 to 2026 · China, Netherlands, Germany

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Specifications sourced from cat.com (official manufacturer page).