Used Caterpillar 349E Excavator

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Detailed Introduction to Caterpillar 349E Crawler Excavator

The Caterpillar 349E is a heavy-duty crawler excavator developed by Caterpillar Inc. as a core model of its E-Series excavator lineup, succeeding the widely recognized 349D model. It is purpose-built for high-demand heavy construction, mining and quarry scenarios, balancing outstanding productivity, fuel efficiency and long-term durability. It meets U.S. EPA Tier 4 Interim and EU Stage IIIB emission standards, with lower-emission Tier 2/Stage II configurations available for regions with less stringent regulatory requirements.

1. Engine Performance

The 349E is powered by the Cat C13 ACERT™ inline 6-cylinder turbocharged diesel engine:

Net power output reaches 296 kW (397 hp) at 1,800 rpm, with strong torque reserve to cope with sudden heavy load changes during rock excavation or heavy lifting.
The proprietary ACERT technology integrates advanced air management, high-pressure common rail fuel injection and optimized aftertreatment systems to reduce emissions without compromising power output.
Equipped with automatic engine speed control and idle shutdown functions, it delivers 5~10% better fuel efficiency than the previous 349D model, significantly reducing daily operating costs.

2. Hydraulic System

It adopts Caterpillar's advanced load-sensing hydraulic system, tailored for smooth and efficient operation:

Total main pump flow reaches 788 L/min (208 gpm) at a maximum operating pressure of 35,000 kPa (5,076 psi), ensuring fast action response and strong digging force.
Built-in boom and stick regeneration valves reduce unnecessary hydraulic flow demand, cutting cycle time for truck loading and continuous digging operations by 8% on average.
High-precision filtration design extends hydraulic oil service life to 5,000 operating hours under normal working conditions, lowering maintenance costs.

3. Core Operating Specifications

Parameter	Value
Operating weight	48,500 kg ~ 53,300 kg (106,900 lb ~ 117,500 lb, varies by configuration)
Standard boom length	6.9 m (22.6 ft), optional extended boom available
Optional stick lengths	2.9 m (9.5 ft) / 3.4 m (11.2 ft) / 3.9 m (12.8 ft)
Bucket capacity range	1.8 m³ ~ 4.2 m³ (2.35 yd³ ~ 5.49 yd³, supports general purpose/rock/light material buckets)
Bucket digging force	287 kN (64,500 lbf)
Stick digging force	223 kN (50,100 lbf)
Maximum digging depth	7,980 mm (26.2 ft)
Maximum unloading height	7,200 mm (23.6 ft)
Swing speed	8.7 rpm
Maximum travel speed	4.7 km/h (2.9 mph)

4. Structural Durability

The 349E is designed for harsh, high-load working environments:

Main frames, boom and stick are made of high-tensile strength steel, welded via robotic processes for consistent quality, tested to withstand more than 10,000 hours of heavy load operation.
X-shaped undercarriage frame distributes stress evenly, reducing frame deformation risk under uneven load. The optional lubricated track chain reduces wear, extending undercarriage service life by 20% compared to standard tracks.
590 mm (23.2 in) ground clearance ensures excellent passability on rough, uneven quarry or mining sites.

5. Operator Comfort & Safety

The cab is ROPS/FOPS (Roll-Over Protective Structure / Falling Object Protective Structure) certified for maximum operator safety.
Pressurized, low-noise cab design keeps internal operating noise as low as 74 dB(A). The adjustable air-suspension seat (with optional heating/ventilation function) reduces fatigue during long shifts.
Ergonomically placed electro-hydraulic control joysticks require minimal operating force. A full-color LCD monitor displays real-time operating data, fault alerts and maintenance reminders. Optional rearview or 360° surround view system eliminates blind spots around the machine.

6. Serviceability & Fleet Management

All daily maintenance points are accessible from ground level, eliminating the need to climb on top of the machine for routine checks, reducing service time and safety risks for technicians.
Extended service intervals: 1,000 hours for engine oil and filter change (when using Cat dedicated engine oil), 2,000 hours for hydraulic oil filter replacement, 3,000 hours for engine air filter service under non-dusty conditions.
Built-in Cat Product Link™ telematics system allows fleet managers to remotely monitor the machine's location, working hours, fuel consumption and fault codes, enabling proactive maintenance and efficient fleet scheduling.

7. Typical Applications & Optional Configurations

Common application scenarios

Large-scale earthmoving for infrastructure (highways, dams, airports), quarry rock excavation, mining overburden stripping, heavy demolition (paired with hydraulic breakers/shears), bulk material handling at ports and stockyards.

Optional configurations

Custom boom/stick combinations, application-specific work tools (grapples, rippers, quick couplers), wide track shoes for low ground pressure (for soft soil sites), premium cab upgrades, auxiliary hydraulic circuits for special work tools.

The Cat 349E is widely recognized in the global market for its high productivity, low operating cost, exceptional durability and high resale value, making it a preferred choice for heavy construction and mining operators.

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No accident

Original product

Used Caterpillar 349E Excavator

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