Used Caterpillar 3066 Diesel Engine for Mini Excavators

This certified rebuilt Caterpillar 3066 diesel engine delivers reliable performance for mini excavators, industrial pumps, and construction equipment. Engineered to replace aging power units, it combines 55 kW (74 HP) output with 3.3L displacement and enhanced fuel efficiency – perfect for tight-space operations in construction, landscaping, and material handling.

Key Features:

• Precise Compatibility: Direct fit for Caterpillar 301.5C, 302.5C mini excavators, Thomas T133 skid steers, and similar compact machinery.

• Factory Rebuild Standards:

  • Fuel injection recalibration (CAT-certified components)

  • Turbocharger optimization for maximum airflow efficiency

  • Cylinder reconditioning (valve clearance: 0.25mm intake / 0.40mm exhaust)

• Technical Specifications:

  • Power: 55 kW (74 HP) @ 2200 RPM

  • Torque: 290 N·m @ 1400 RPM

  • Displacement: 3.3L (3286 cc)

  • Weight: 220 kg (compact for easy retrofitting)

• Emission Compliance: Meets Tier 3/Stage IIIA global standards

• Warranty: 6-month performance guarantee + extendable service plans

Why This Engine Wins:

• 💰 Cost Savings: 40% cheaper than new units with identical OEM performance

• ⚙️ Proven Reliability: Reinforced connecting rods + hardened crankshafts for 10,000+ hour service life

• 🔍 SEO Optimized: Targets “used engine for excavator”, “Caterpillar 3066 rebuilt”, “diesel engine for compact machinery”

Applications: Mini excavators • Generators • Agricultural pumps • Light industrial equipment. Includes free 3D installation guides and lifetime technical support.