Used Caterpillar 329D High-Load Hydraulic Excavator
The Used Caterpillar 329D High-Load Hydraulic Excavator is a powerful and reliable machine engineered for heavy-duty construction, mining, and earthmoving applications. With its robust hydraulic system, reinforced undercarriage, and ergonomic operator cab, the Cat 329D delivers precision, efficiency, and durability, making it an ideal choice for contractors, construction companies, and rental fleets.
Designed to provide high-load capacity, stable operation, and fuel-efficient performance, this excavator meets international emission standards while ensuring reduced operational costs. This article provides a comprehensive overview of the Cat 329D, covering product advantages, user guidelines, cleaning methods, and packaging specifications, aligned with Google SEO optimization for improved online visibility.
The Caterpillar 329D is a track-type hydraulic excavator designed for medium-to-large-scale earthmoving tasks. Its features combine strength, precision, and efficiency, making it suitable for various heavy-duty operations.
High-performance hydraulic system for precise control and smooth operations
Reinforced boom, arm, and undercarriage for durability in demanding conditions
Spacious operator cab with ergonomic controls, air conditioning, and visibility enhancements
Fuel-efficient Cat C7 engine compliant with Tier 3/Tier 4 emission standards
Heavy-duty tracks providing stability on rough terrains
| Feature | Specification |
|---|---|
| Model | Caterpillar 329D |
| Operating Weight | Approx. 32,500 kg |
| Engine Model | Cat C7 ACERT |
| Engine Power | 169 kW (227 HP) |
| Bucket Capacity | 1.0 – 2.0 m³ |
| Max Digging Depth | 6.7 meters |
| Hydraulic System | Load-sensing with variable flow |
| Travel Speed | 5.5 km/h |
| Swing Speed | 11 rpm |
| Emission Standard | Tier 3 / Tier 4 (region dependent) |
The Cat 329D is designed to deliver high efficiency and reliability, making it a strong choice for heavy-load applications.
Supports heavier digging, lifting, and material handling without compromising stability
Ideal for construction, quarrying, and mining operations
Reinforced boom, arm, and undercarriage resist wear and tear
Long-lasting components reduce maintenance frequency and cost
Advanced engine and load-sensing hydraulic system reduce fuel consumption
Supports sustainable operations and lower environmental impact
Ergonomic cab with adjustable seat and intuitive controls
Air-conditioning and noise reduction enhance long-term operator productivity

Proper use ensures safety, efficiency, and long-term performance.
Inspect hydraulic hoses, cylinders, and fittings for leaks or damage
Verify fuel, engine oil, and coolant levels
Test operator controls, alarms, and safety devices
Check track tension and undercarriage condition
Avoid overloading the bucket or exceeding lift limits
Operate smoothly to prevent structural stress and extend component life
Maintain safe distances from personnel, structures, and other vehicles
Monitor engine and hydraulic temperatures during extended operations
Lower the boom and bucket safely
Shut down the engine and release hydraulic pressure
Clean tracks, undercarriage, and attachments
Conduct daily inspection for wear, cracks, or leaks
Regular cleaning and maintenance ensure peak performance, reduce downtime, and extend lifespan.
Remove dirt, mud, and debris from tracks and undercarriage
Clean the cab, windows, and mirrors for safety and visibility
Wipe hydraulic cylinders and hoses to inspect for leaks
| Component | Interval | Task |
|---|---|---|
| Engine Oil & Filter | Every 250 hours | Replace with Cat-approved oil |
| Hydraulic Oil & Filter | Every 500 hours | Inspect and replace if necessary |
| Fuel Filter | Every 250 hours | Replace or clean |
| Air Filter | Every 250 hours | Clean or replace |
| Cooling System | Every 1,000 hours | Flush and refill |
| Undercarriage | Weekly | Inspect track tension and wear |
| Electrical System | Every 500 hours | Check battery and connections |
Use genuine Caterpillar replacement parts
Lubricate all pivot points daily
Store on level ground with supports under tracks
Perform seasonal inspections for corrosion or hydraulic degradation
Proper packaging ensures safe transport and storage.
Secure boom, arm, and bucket with safety locks or straps
Remove loose debris from tracks and undercarriage
Drain fuel if international shipping regulations require it
Store on level surfaces with protective covers
Protect from dust, moisture, and sunlight
Conduct routine checks during long-term storage to prevent deterioration
Ensure transport vehicle can safely handle the excavator weight
Use proper tie-downs and safety measures
Comply with local transport regulations
The Used Caterpillar 329D High-Load Hydraulic Excavator is a versatile, reliable, and high-performance machine suitable for heavy-duty construction, mining, and earthmoving applications. Its robust hydraulic system, fuel-efficient engine, and durable design ensure high productivity and low operational costs.
Following proper usage, cleaning, and maintenance practices, along with careful transport and storage, ensures the Cat 329D delivers long-term performance, safety, and value for contractors, rental fleets, and industrial operators.
We provide pre-sales and after-sales service to all our valued clients who trust our professional team. We spare no effort in answering our clients' questions and meeting their needs. We also assist our clients with the loading and transportation process and provide original equipment parts.
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Add: Miaogendixia, Shuangdun Town, Changfeng County, Hefei City, Anhui Province
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