Caterpillar 345D L Hydraulic Excavator
The Caterpillar 345D L hydraulic excavator is a powerful and versatile machine designed for heavy-duty digging and lifting tasks. Introduced as a replacement for the 345C L, this model boasts a range of improvements and features aimed at enhancing performance, efficiency, and operator comfort. Notably, the 345D L features an 18% increase in horsepower and a 10% improvement in fuel efficiency compared to its predecessor.
Specifications
| Specification | Value |
|---|---|
| Engine Model | Cat® C13 ACERT™ |
| Net Flywheel Power | 380 hp (283 kW) |
| Operating Weight | 44,970 kg |
| Maximum Travel Speed | 4.7 km/h |
| Maximum Reach | 11.7 m |
| Maximum Digging Depth | 7.6 m |
| Maximum Bucket Capacity | 5 yd³ (3.8 m³) |
Engine and Emissions
The Cat® C13 ACERT™ engine in the 345D L meets U.S. EPA Tier 3 emissions standards while delivering increased power and fuel efficiency. Compared to the 345C L, this model features:
- 18% increase in horsepower for greater productivity.
- ACERT Technology optimizing combustion for fuel savings.
- Mechanical Unit Fuel Injection (MEUI) System for improved fuel atomization.
- Electronic Control Module (ADEM™ A4) for real-time engine monitoring.
- Optional Cold Weather Starting Kit for enhanced performance in low temperatures.
Hydraulic System
The hydraulic system is designed for reliability and precise control, featuring:
- Variable displacement axial piston hydraulic pumps for maximum efficiency.
- Independent swing hydraulic pump for increased productivity.
- Cross-sensing system that allows full hydraulic pump capacity utilization.
- Hydraulic cylinder snubbers for reducing shock and wear.
- Optional Tool Control System for fine-tuned pressure settings for attachments.
Undercarriage Options
The 345D L offers three undercarriage configurations:
- Fixed Gauge: Ideal for transport in weight-sensitive environments.
- Variable Gauge: Increased track and ground clearance for added stability.
- Wide Variable Gauge: Enhanced lifting capacity for heavier workloads.
Operator Station
The operator station is designed for comfort and efficiency, featuring:
- Spacious cab with excellent visibility and openable skylight.
- Viscous rubber-mounted cabin to minimize noise and vibration.
- High-back heated air-suspension seat for ergonomic comfort.
- Adjustable pilot-operated control levers for smooth operation.
- Full-color LCD monitor supporting 27 languages.
Buckets and Attachments
The Caterpillar 345D L supports various bucket types for different applications:
- General Purpose (GP) Buckets: For low-impact, moderately abrasive materials.
- Heavy Duty (HD) Buckets: Optimized for mixed dirt, clay, and rock.
- Heavy-Duty Power (HDP) Buckets: Designed for maximizing breakout force.
- Heavy Duty Rock (HDR) Buckets: Ideal for shot rock and granite.
Applications
The 345D L is suitable for a variety of tasks, including:
- Excavation: Digging trenches, foundations, and basements.
- Mass Excavation: Moving large volumes of earth.
- Demolition: Dismantling structures with attachments.
- Quarrying and Mining: Extracting and loading materials.
Technology and Monitoring
The AccuGrade™ Grade Control System enhances accuracy and efficiency with real-time excavation guidance, resulting in:
- Reduced survey costs and over-excavation.
- Increased productivity by guiding operators.
The Product Link 321 telematics system allows remote monitoring of:
- Machine location
- Operating hours
- Fuel consumption
- Maintenance needs
Safety Features
Safety is a priority in the 345D L, with features including:
- ROPS Cab: Provides protection in case of rollover.
- Fire Suppression System: Automatic AFFF fire suppression.
- Guard Protection: Protects powertrain and undercarriage.
- Auxiliary Work Lighting: Improved visibility for night operations.
Serviceability and Maintenance
The Caterpillar 345D L is designed for easy maintenance, featuring:
- Extended service intervals for oil and filters.
- Centralized service points for reduced maintenance time.
- User-friendly electronic diagnostics for quick troubleshooting.
Conclusion
The Caterpillar 345D L is a highly efficient and durable hydraulic excavator with improved power, fuel efficiency, and operator comfort. Whether used in construction, mining, or excavation, it remains a valuable asset for high-performance applications.