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C6.6 Engine Assembly For M322DMH Wheel Excavator Construction Engine
Complete C6.6 engine assembly designed specifically for M322DMH wheel excavator material handler applications. This 6.6L inline 6 turbo aftercooled diesel motor serves as a direct replacement engine for 320D and 324D excavators, featuring common rail technology and industrial-grade construction.
Key Features
Dedicated power calibration customized for M322DMH material handler equipment, balancing road travel power and material lifting low-speed torque for frequent loading and driving switching scenarios
ACERT electronic common rail multi-stage injection system optimizes fuel combustion, reduces fuel consumption during long-time port waste stacking continuous operation, and lowers exhaust smoke
Hydraulic driven variable speed cooling fan automatically adjusts rotation speed based on coolant temperature, cutting idle power loss and lowering overall engine noise
Reinforced four-valve per cylinder cast iron cylinder head with replaceable wet cylinder liner supports single cylinder maintenance without full engine disassembly, saving overhaul costs
Unified original mounting holes and pipeline interfaces exclusively match M322DMH wheel excavator frame for direct bolt-on replacement without frame cutting or wiring modification
Built-in complete ECM fault diagnosis system quickly locates hydraulic linkage and engine circuit failures, reducing equipment downtime for recycling yard and port operations
Product Specifications
Item
Parameter Details
Main OE Part Number
309-6663 266-7632
Cross Reference Part Number
276-4881 324-0332 294-1788 312-4901 282-9044
Matching Engine Model
C6.6 ACERT C6.6 MH C6.6 Industrial
Engine Layout
Inline 6 Cylinder Four Stroke Vertical Water Cooled Diesel
Displacement
6.6L
Bore × Stroke
105mm × 127mm Compression Ratio:16.5:1
Rated Power
123kW 165HP @ 2000RPM
Max Torque
750N*m @ 1400RPM
Intake System
Turbocharged Air To Air Aftercooled
Fuel Control
ACERT Electronic Common Rail With ECM Module
Power Supply
24V Electrical System
Emission Level
EPA Tier 3 EU Stage IIIA
Net Weight
695KG
Outer Dimension
1064×753×907MM
Available Grade
New OEM Original Remanufactured Full Rebuild Pre-tested Used Unit
FOB Price
$2420-$8360 Depends On Product Grade
Compatible Applications
Category
Replaceable Part Numbers & Compatible Models
General OEM Series
309-6663 266-7632
Cross Reference OEM Numbers
276-4881 324-0332 294-1788 312-4901 282-9044
Compatible Engine Models
C6.6 ACERT C6.6 MH C6.6 Industrial C6.6-G
Compatible Excavator & Handler Models
M322DMH M316D M318D 320D 320DL 324D 324DL
Compatible Generator Equipment
200-250KVA stationary diesel generator set
Compatible Industrial Machinery
Port waste recycling handling equipment
Product Images
Frequently Asked Questions
Can engine part number 309-6663 fit CAT 320D excavator directly?
Mounting dimension fits but power calibration differs. Better choose corresponding 294-1788 engine assembly for track excavator.
Does complete engine include supporting accessories?
Whole assembly contains cylinder block, cylinder head, turbocharger, injectors, ECM, starter, alternator, manifolds and all installation gaskets.
What cross serial numbers can interchange 309-6663?
266-7632 is fully interchangeable with main OE 309-6663. Other cross parts apply to different equipment variants.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2008
Total Annual:
10000000¥-100000000¥
Employee Number:
50~150
Ecer Certification:
Verified Supplier
Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma... Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma...