Caterpillar 306 Excavators for Sale

Browse 44 Caterpillar 306 Excavators machines on Machmon. Compare by model, location, and condition, then contact sellers using the enquiry options provided.

Caterpillar 306 · Excavators

Caterpillar 306

A powerful 6-ton compact radius excavator combining industry-leading features with enhanced productivity and reduced operating costs.

Key specifications

Net Power: 55.9 hp (41.7 kW)
Operating Weight: 15,766 lb (7,150 kg)
Dig Depth: 162 in (4,110 mm) long stick
Maximum Reach: 263 in (6,685 mm)
Engine Model: Cat C2.4 Turbo
Track Width: 78 in (1,980 mm)

Model overview

The Cat 306 CR delivers maximum power in a 6-ton compact radius design. With 55.9 hp Cat C2.4 Turbo engine and 15,766 lb operating weight, it excels in tight spaces while offering up to 162 inches dig depth. Features include stick steer travel, Next Generation monitor, sealed cab, and ground-level service access.

At a glance

Weight Class6-7 tons

Tail Swing TypeCompact radius

Engine TypeCat C2.4 Turbo

EmissionsTier 4 Final / Stage V

13557 machines · €250 - €1,700,000 · 1970 to 2026 · China, Germany, Netherlands

View all Caterpillar 306 listings Open filters

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