Caterpillar 306 Mini Excavators for Sale

2021 Caterpillar 306E Mini Excavator
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2021 Caterpillar 306E Mini Excavator
Used 2021 6 t 34.3 kW
Hefei, China
€ 13,466
TOFFS MACHINERY TRADING
2022 Caterpillar 306E Mini Excavator
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2022 Caterpillar 306E Mini Excavator
Used 2022 6 t 77.6 kW
Hefei, China
€ 13,636
MP machinery Co., Ltd
2025 Caterpillar 306E Mini Excavator
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2025 Caterpillar 306E Mini Excavator
Used 2025 6 t
Shanghai, China
€ 15,169
Shanghai Shaoyi Machinery Co., Ltd.
2020 Caterpillar 306E2 Mini Excavator
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2020 Caterpillar 306E2 Mini Excavator
Used 2020 6 t 344.5 kW
Hefei, China
€ 11,935
Evergreen Machinery Ltd
2020 Caterpillar 306E2 Mini Excavator
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2020 Caterpillar 306E2 Mini Excavator
Used 2020 2,000 h 6 t 33.6 kW
Hefei, China
€ 12,179
Evergreen Machinery Ltd
Caterpillar 306E2 Mini Excavator
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Caterpillar 306E2 Mini Excavator
Used 5.8 t 41.8 kW
Shanghai, China
Price on request
SHANGHAI HEKAI TRADING CO., LIMITED
2025 Caterpillar 306 Mini Excavator
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2025 Caterpillar 306 Mini Excavator
Used 2025 161 h 6 t 33.6 kW
Shanghai, China
€ 10,354
Luanhui Construction Machinery (Shanghai) Co., Ltd
Caterpillar 306 Mini Excavator
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Caterpillar 306 Mini Excavator
Used 6 t 34.3 kW
Hefei, China
€ 7,833
TOFFS MACHINERY TRADING

Caterpillar 306 · Mini 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: 41.7 kW (55.9 hp)
Operating Weight: 7,150 kg (15,766 lb)
Dig Depth: 4,110 mm (162 in) long stick
Maximum Reach: 6,685 mm (263 in)
Engine Model: Cat C2.4 Turbo
Track Width: 1,980 mm (78 in)

Model overview

The Cat 306 CR delivers maximum power in a 6-ton compact radius design. With 41.7 kW (55.9 hp) Cat C2.4 Turbo engine and 7.2 t (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

4672 machines · €390 - €498,960 · 1989 to 2026 · China, Germany, Netherlands

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