Isuzu 4LE2 engine: an excellent power solution for construction machinery ๐
Overview ๐
The Isuzu 4LE2 engine is a diesel powerplant designed specifically for construction machinery, renowned for its exceptional reliability, high efficiency, and environmental friendliness. This engine is widely used in heavy equipment such as excavators, and particularly performs exceptionally well in medium-sized excavators like the Hitachi ZX70. It fully complies with Tier 4 Final and China Stage IV emission standards.
Technical Specifications โ๏ธ
Basic Parameters:
Model: Inline four-cylinder, four-stroke, water-cooled diesel engine
Displacement: 2.179 liters (85mm x 96mm)
Compression ratio: 18.5:1
Performance Data:
Maximum Power: 40.5-48 kW/2000 rpm ๐ช
Maximum Torque: 215-237 Nยทm/1800 rpm
Dry Weight: Approximately 217 kg
Core Technical Features ๐ง
Advanced Fuel System:
Utilizing direct injection technology and an electronically controlled high-pressure common rail system, precise control of injection timing and fuel volume achieves efficient combustion, improving fuel economy while reducing emissions.
Emission Control Technology:
Equipped with an exhaust gas recirculation (EGR) system, a DOC oxidation catalyst, and an SCR selective catalytic reduction (SCR) system, these systems effectively reduce nitrogen oxide and particulate matter emissions, meeting the most stringent environmental regulations. ๐ฑ
Cooling System:
A high-efficiency radiator and intelligent temperature control system ensure the engine maintains optimal operating temperature under all operating conditions. Reliability Advantages โ
Durable Design:
Cast iron cylinder block provides superior structural strength
Forged crankshaft ensures long-term reliable operation
Oil-cooled piston enhances heat dissipation
Anti-corrosion treatment extends service life
Easy Maintenance:
500-hour oil change interval
Convenient maintenance points
Long-life filter system
Intelligent diagnostic function
Typical Applications ๐๏ธ
Main supporting equipment includes:
Hitachi ZX70 excavator
Shanhe Intelligent SY75-8 excavator
Lonking SE75-9 excavator
3-5 ton wheel loaders
50-60 kVA generator sets
Comprehensive Advantages ๐
Operational Economy:
Fuel consumption is 10-15% lower than comparable products.
Extended maintenance intervals reduce operating costs.
Up to 10,000 hours of service life.
Higher residual value.
Environmental Adaptability:
No power degradation at altitudes up to 2,500 meters.
Stable operation in a temperature range of -30ยฐC to 50ยฐC.
Enhanced air filtration adapts to dusty environments.
Anti-corrosion treatment is suitable for high-humidity conditions.
Conclusion: ๐ฏ
The Isuzu 4LE2 engine, with its outstanding power, reliability, and economy, is an ideal choice for construction machinery. Its advanced technology and superior build quality ensure efficient and stable performance in a variety of demanding conditions, creating maximum value for operators. ๐ฐ
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