The Caterpillar 315D2 L is a 20-ton medium-sized hydraulic excavator that was very popular and well-received in the 2010s.
The Caterpillar 315D2 L is a 20-ton medium-sized hydraulic excavator launched in the 2010s. Its core features include an extended boom and stick ("L" stands for long arm configuration), a maximum digging depth of 7.6 meters, an operating radius of 10.3 meters, and a 141-horsepower Cat® C4.4 ACERT™ fuel-efficient engine (meets Tier 3 emission standards). Its reinforced chassis and intelligent hydraulic system allow it to meet the needs of both deep digging (such as trenching/riverway engineering) and fine work. Although discontinued, the 315D2 L remains a cost-effective benchmark model in the deep-working field in the used market thanks to its high reliability and global parts network.
Core Advantages as follows,Depth/Radius Champion:The extended boom (+1m) and stick (+0.5m) achieve a maximum digging depth of 7.6m (15% greater than the standard boom) and a reach of 10.3m, significantly improving trenching and slope grading efficiency.:Carter ACERT Engine Technology:Equipped with a C4.4 ACERT turbocharged diesel engine, it delivers 141HP of power and low fuel consumption (12-18L/h) under Tier 3/Stage IIIA emission standards, making it ideal for fuel-conscious markets.Intelligent Hydraulic System:A dual-pump variable displacement system with precise pilot control supports "Fine Control," making it suitable for micro-manipulation applications such as pipeline laying.
CAT Crawler Excavator Specificaion
Operating Weight: 21,300 - 22,200 kg
Engine Model: Cat® C4.4 ACERT™
Net Power: 105 kW (141 hp) @ 1,800 rpm
Displacement: 4.4 L
Main Pump: Variable displacement axial piston
System Pressure: 34.3 MPa
Max. Dig Depth (L): 7.6 m
Max. Reach (L): 10.3 m
Bucket Dig Force: 125 - 135 kN
Stick Dig Force: 80 - 90 kN
Standard Boom (L): 6.3 m
Standard Stick (L): 3.1 m
Bucket Capacity: 0.7 - 1.0 m³
Max. Travel Speed: 5.5 km/h
Gradeability: 35° (70%)
Transport Width: 2,800 mm
Fuel Tank Capacity: 400 L
Hydraulic Tank Capacity: 160 L
Emission Standard: Tier 3 / Stage IIIA
Maintenance
1.Engine oil needs to be replaced regularly, with a general replacement cycle of 500 hours.
2. Hydraulic oil should be replaced according to the prescribed maintenance cycle, which is 2,500 to 3,000 hours.
3. Timely addition of lubricating grease can effectively reduce the wear of each component and ensure smooth operation of all components.
4. Regularly clean or replace the air filter element and air filter to ensure that the engine sucks in clean air and improve fuel efficiency. In harsh working conditions such as heavy dust, the frequency of inspections should be increased.
5. Check the coolant level to keep the cooling system unobstructed and prevent overheating.
6. Clean the radiator. When an excavator is in operation, it generates a large amount of heat. The cleaning of the radiator is very important for maintaining the normal operation of the engine.
7. Tracks are important components of excavators. Appropriate track tension can extend the service life of tracks. Regularly inspect and adjust the tension of the tracks to ensure they are within a consistent standard range.
8. The transmission system is an important component of an excavator. Regular checks should be conducted on the transmission chain, gears and other parts, and severely worn components should be replaced in a timely manner.Through the above daily maintenance measures, faults can be effectively prevented, the service life of excavators can be prolonged, and the safety and smooth progress of work can be ensured.