Caterpillar 3066 / C6.4 ACERT engine for Caterpillar 320C 320D 321C 323D L excavator
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- Transfer of prepayment to the card
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- Transfer to the “Trustee” account
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- Transfer to a company account with a similar name
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- Substitution of own details in the invoice of a real company
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1. Application Compatibility
This engine is specifically configured for Caterpillar’s most popular excavator series:
CAT 320C Series: 320C, 320CL, 320C-U, 321C LCR (Zero Tail Swing)
CAT 320D Series: 320D, 320DL (Often utilizes the C6.4 version)
CAT 323D Series: 323D, 323DL
Other Equipment: Also found in certain CAT forest machines and material handlers.
2. Technical Specifications
Engine Model: CAT 3066-T (Turbocharged) / C6.4 (ACERT Technology)
Type: 6-Cylinder, 4-Cycle, Water-Cooled, Inline
Aspiration: Turbocharged and Aftercooled
Bore x Stroke: 102 mm x 130 mm
Displacement: 6.37 Liters
Rated Output: 103 - 117 kW (Approx. 138 - 157 HP @ 1800-2000 RPM)
Combustion System: Direct Injection (3066) / Common Rail (C6.4)
Lubrication: Forced lubrication via gear pump
3. Key Engineering Advantages
Massive Torque Rise: The 3066 is engineered to handle sudden hydraulic load increases without significant RPM drops, essential for the fast cycle times of the 320C.
Cast Iron Durability: Features a heavy-duty cast iron cylinder block and head with generous cooling passages to ensure long engine life in high-ambient-temperature environments.
ACERT Technology (C6.4): In the 320D models, the engine utilizes advanced electronics and fuel delivery to optimize performance and reduce emissions while maintaining CAT's signature "lugging" power.
Ease of Service: Designed with all major service points located on the right side of the engine for quick daily maintenance in the compact bays of the 321C LCR.
4. Supply Scope for Parts
Engine Assemblies: New original CAT units, remanufactured (overhauled) engines, and tested used "running" engines.
Overhaul Kits: Pistons, piston rings, cylinder liners, and main/connecting rod bearings.
Gasket Sets: Complete engine overhaul gasket kits, including the critical multi-layer steel (MLS) head gasket.
Fuel & Turbo System: Turbochargers, fuel injection pumps, injectors, and fuel lines.
Cooling & Electrical: Water pumps, oil coolers, radiators, 24V starters, and alternators.
Service Support: 1-year quality warranty on new components and fast global shipping (DHL, UPS, FedEx).
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