Model No.: 4BT3.9
Intake Pressure Impulse: Naturally Aspirated
Speed: High Speed
Piston Movement: Reciprocating
Ignition Mode: Electric Ignition
Number of Cylinders: Multi-Cylinder Engine
Trademark: Cummins
Transport Package: Wooden Crate
Specification: CE, ISO
Origin: China
HS Code: 8408
The 4BT3.9 diesel engine is renowned for its exceptional thermal efficiency, making it one of the most efficient internal combustion engines available. This high performance is achieved through a large expansion ratio and lean burn technology, which allows excess air to help dissipate heat effectively. Unlike two-stroke gasoline engines, this design avoids fuel loss during valve overlap, contributing to better overall efficiency. Low-speed versions used in marine and heavy industrial applications can achieve thermal efficiencies exceeding 50%, making them highly energy-efficient.
| Rated Power & RPM | 74 kW / 2200 rpm |
| Displacement | 3.9 L |
| Emission Standard | Euro 1 |
| Bore × Stroke | 126 mm × 155 mm |
| Application | Construction Machinery |
| Delivery Options | By Sea, By Air, By Express |
| Packaging | Neutral Packing or Customized as Required |
| Features | 1. More durable and reliable 2. High torque output for strong pulling power 3. Tall gear ratios for improved performance 4. Excellent fuel efficiency 5. Less frequent maintenance required |
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