CAT 306 D

Hydraulic quick coupler, heavy-duty rubber tracks, standard digging bucket, and automatic lubrication system

Key Specifications • Category: Mini Hydraulic Excavator • Brand: CAT (Caterpillar) • Model: 306D • Model Description: 6 ton mini hydraulic excavator • Power Type: Diesel • Country of Origin: China (Wujiang factory) • Engine Manufacturer: CAT • Engine Power: 40.3 kW (54 hp) • Engine: Cat C2.6, 4-cylinder diesel engine • Auxiliary Hydraulic Flow: 130 l/min • Operating Weight: 5800–6000 kg • Track Width: 450 mm (rubber track) • Bucket Capacity: 0.30 m³ • Transport Dimensions (L×W×H): 6000 × 2100 × 2700 mm • Bucket Width: 900 mm • Tire Brand: Crawler track (no tires) Product Description The CAT 306D is a powerful 6-ton mini hydraulic excavator built in China. Powered by a fuel-efficient Cat C2.6 diesel engine (40.3 kW), it delivers strong digging force and reliability for construction, utility, and landscaping projects. With a 450mm rubber track and 0.30m³ bucket, it balances maneuverability and productivity. The 130 l/min auxiliary hydraulic flow supports quick attachment changes (breaker, auger, grapple), making it highly versatile for diverse job sites.