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Cummins BTA Series Engines

Compact Power, Exceptional Reliability for Versatile Applications

Compact Power & ReliabilitySeries Overview

  • Compact Power & Reliability

    BTA Series: Classic Medium-Duty Platform

    IIncluding the 4BTA3.9 and 6BTA5.9 models, this compact engine platform powers our full lineup of small diesel genset, single phase genset and cummins home generators, renowned for its compact design, proven reliability, and exceptional adaptability. It is a trusted engine choice to build heavy duty generator, heavy duty portable generator and diesel generators for homes for diverse industries including residential, medical fields with hospital generators.

  • Compact Power & Reliability

    Applications: Powering Global Industries

    These engines excel in power generation to manufacture soundproof generator, complete with generator soundproof box, generator sound dampening box, sound dampening box for generator, sound deadening box for generator, generator sound reduction box, sound dampening generator box, sound insulation box for generator and soundproof generator box for sale; also covers marine propulsion, construction machinery, and pump drives. We provide supporting heavy duty extension cord for generator and professional generator sound insulation, generator sound deadening, generator noise reduction box solutions with professional generator sound dampening tech. Focused on efficiency and durability, they continue to drive the world's most diverse sectors

Compact Power & Reliability
6BTA5.9 Engine

Proven Performance

div容器

Engineered for Performance and Efficiency

Core Advantages

advantage (1)

Compact & Modular Design

Features a compact, modular design with fewer parts (up to 40% less), perfectly fitting for assembling small diesel genset, single phase genset, diesel generators for homes and heavy duty portable generator; resulting in a smaller footprint, easier installation of generator soundproof box, generator sound dampening box and other generator sound insulation accessories, and lower maintenance costs for hospital generators and heavy duty generator projects..
advantage (2)

Proven Reliability

IIntegrated cylinder block/head design prevents leaks, paired with forged steel crankshafts/camshafts for exceptional durability and long service life, making it the ideal core engine for cummins home generators, soundproof generator and all units equipped with sound dampening box for generator, sound deadening box for generator and gener
advantage (3)

Excellent Fuel Efficiency

Equipped with intake air preheating and high-power starter, ensuring reliable starts even in extreme cold down to -36°C, stable enough for outdoor heavy duty portable generator fitted with generator noise reduction box, generator sound dampening and complete heavy duty ex
advantage (4)

Superior Cold-Starting

Equipped with intake air preheating and high-power starter, ensuring reliable starts even in extreme cold down to -36°C, stable enough for outdoor heavy duty portable generator fitted with generator noise reduction box, generator sound dampening and complete heavy duty extension cord for generator

Power for Every ApplicationMain Models

The BTA Series offers a model to fit your specific needs, from compact solutions to versatile workhorses.
Main Models (1)

4BTA3.9: Compact Powerhouse

The 4-cylinder, 3.9L 4BTA3.9 is ideal for smaller applications, delivering reliable power for small generator sets, construction machinery, and pump drives where space is at a premium.
application (1)
Applications: Small generator sets, construction machinery, pump drives
Main Models (2)

6BTA5.9: The Versatile Workhorse

The 6-cylinder, 5.9L 6BTA5.9 offers a balance of power and efficiency for medium generator sets, marine main/auxiliary power, and a wide range of construction equipment.
application (2)
Applications: Medium generator sets, marine power, construction equipment

Precision Engineering Technical Specifications

BTA Series Core Specifications
Specifications (1)
Model: 4BTA3.9, 6BTA5.9
Specifications (2)
Configuration: 4-Cylinder / 6-Cylinder Inline
Specifications (3)
Displacement: 3.9 L (4BTA), 5.9 L (6BTA)
Specifications (4)
Bore x Stroke: 102 mm × 120 mm (4.02 × 4.72 in)
Specifications (5)
Aspiration: Turbocharged / Aftercooled
Specifications (6)
Fuel System: Mechanical Fuel Injection Pump
Specifications (7)
Cooling System: Closed-Loop Water Cooling
BTA Engine Structure
BTA Engine Structure
application (1)

Precision & Reliability

Robust mechanical injection and cooling systems ensure consistent performance under all conditions.

Comprehensive Protection, Worry-Free Operation Service & Support

Service & Suppor (1)

Global Service Network

Benefit from Cummins' extensive global service network, ensuring quick and reliable support is always nearby.
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Service & Suppor (2)

Genuine Parts Supply

Access to a steady supply of high-quality genuine Cummins parts minimizes downtime and ensures peak performance.
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Service & Suppor (3)

Expert Technical Support

Our team of skilled technicians and engineers provides professional training, troubleshooting, and expert advice.
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Service & Suppor (4)

Comprehensive Warranty

Backed by a comprehensive warranty, the BTA Series offers peace of mind and protects your investment.
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