Cummins 4BT3.9 Engine for Excavators
The Cummins 4BT3.9 is a legendary four-cylinder turbocharged diesel engine that has set the standard for reliability and performance in industrial applications for decades. Renowned for its robust construction and exceptional durability, this workhorse engine has become a staple in various heavy-duty equipment across multiple industries.
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The Cummins 4BT3.9 is a legendary four-cylinder turbocharged diesel engine that has set the standard for reliability and performance in industrial applications for decades. Renowned for its robust construction and exceptional durability, this workhorse engine has become a staple in various heavy-duty equipment across multiple industries.
With a displacement of 3.9 liters, the 4BT3.9 delivers an impressive balance of power and fuel efficiency, making it ideal for applications where performance and operating costs are critical factors. Its compact design belies its capabilities, providing ample power while maintaining a footprint that fits into tight machinery configurations.
From construction equipment and agricultural machinery to generator sets and marine applications, the Cummins 4BT3.9 has proven its versatility and dependability in the most demanding environments. Its turbocharged design ensures optimal power delivery across a range of operating conditions, while Cummins’ advanced engineering ensures compliance with emissions regulations without sacrificing performance. This engine continues to be a preferred choice for equipment manufacturers and operators who value longevity, serviceability, and consistent performance.
Cummins 4BT3.9 Engine Technical Specifications
Product Images
4BT3.9
Inline Turbocharged Diesel Engine
Multiple Industrial Uses
680 kg (1,500 lbs)
Core Parameters
Technical Features
- Turbocharged induction system for improved power density and fuel efficiency
- Robust cast-iron cylinder block and head for maximum durability in harsh environments
- Advanced fuel injection system for optimal combustion and reduced emissions
- Replaceable wet cylinder liners for easier maintenance and extended service life
- Meets global emissions standards including EPA Tier 3 and EU Stage IIIA
Typical Applications
Medium-duty trucks and utility vehicles
Construction equipment and excavators
Agricultural machinery and irrigation pumps
Generator sets (50-75 kVA range)
Marine auxiliary power units
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