CAT 3306 Diesel Engine

The Cat 3306TA bare engine is a dedicated inline 6-cylinder power platform tailor-made for Caterpillar 330BL heavy-duty excavator. It delivers matched power curve, mechanical direct injection and outstanding field durability, perfectly serving fleets with 330BL machine overhaul and engine replacement demand.

Designed with Caterpillar proven classic mechanical technology, the 3306 bare engine features heavy-duty cast iron structure, mechanical fuel system and simplified layout. It helps equipment owners cut overhaul investment while sustaining steady digging performance under continuous heavy-load construction conditions.

Product Advantages

Strong Matched Power

• Rated power of 222 HP (165.5 kW), matched power curve specially calibrated for 330BL excavator.
• Excellent low-speed torque characteristic, stable digging output under variable load excavation scenarios.

Low Maintenance Cost

• Mechanical direct injection system, less electronic components, low breakdown probability.
• Standard bare engine (long block) structure, directly compatible with original 330BL peripherals.
• Globally accessible spare parts, convenient local repair and short downtime.

Safe & Durable

• Heavy-duty cast iron cylinder block & cylinder head, strong anti-fatigue performance for dusty construction sites.
• Mature mechanical transmission layout, fewer precision vulnerable components, lower wear rate.
• Excellent environmental adaptability, stable continuous operation under high temperature and heavy dust working conditions.

Technical Specifications