Product Description

The Cummins 6BTAA5.9-G12 Generator Drive Engine is a 5.9L, 6-cylinder, turbocharged and charge-air cooled diesel engine manufactured by Dongfeng Cummins. Delivering 140–155 kW at 1500 rpm and 150–165 kW at 1800 rpm, it is designed for high-output generator sets that demand reliability, durability, and excellent fuel efficiency for both standby and prime power.

With its BYC P7100 fuel system and electronic governor, the 6BTAA5.9-G12 provides stable performance, optimized combustion, and reduced fuel consumption, making it an excellent choice for medium-to-large commercial and industrial power generation.

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Specifications

• Engine Model: Cummins 6BTAA5.9-G12
• Application: Generator Drive Engine
• Displacement: 5.9 L
• Configuration: 6-cylinder, in-line, 4-cycle
• Bore × Stroke: 102 × 120 mm
• Compression Ratio: 17.3:1
• Aspiration: Turbocharged & Charge-Air Cooled
• Fuel System: BYC P7100 Direct Injection with Electronic Governor

• Governor Regulation: ≤5%

Power Ratings:

• (50Hz): Standby: 155 kW / 207 HP @1500 rpm; Prime: 140 kW/ 187 HP @1500 rpm

• (60Hz): Standby: 165 kW / 220 HP @1800 rpm; Prime: 150 kW/ 200 HP @1800 rpm

Fuel Consumption:

• 1500 rpm: 100% Load (155/140 kW): 38 / 34 L/h

• 1800 rpm: 100% Load (165/150 kW): 42 / 38 L/h

Weight: ~413 kg (dry)

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Product Advantages

• High Output Range – Delivers 140–165 kW for medium-to-large gensets.
• Turbocharged & Charge-Air Cooled – Ensures efficient combustion and strong performance.
• Fuel Efficient – Low fuel consumption between 34–42 L/h depending on load and speed.
• Stable Operation – Electronic governor with ≤5% regulation for reliable frequency control.

• Durable Build – Proven Cummins B Series platform with global service and support.

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Key Features

• Turbocharged & charge-air cooled for higher efficiency and output.
• Optimized for 50Hz and 60Hz generator sets.
• BYC P7100 direct injection with precise fuel delivery.
• Compact yet powerful – only ~413 kg dry weight.

• Compliant with GB/T18297 performance standards.

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Applications

The Cummins 6BTAA5.9-G12 Diesel Engine for Generator Sets is ideal for:

• Commercial Backup Power – telecom towers, office complexes, shopping centers.
• Industrial Power Systems – factories, workshops, and construction sites.
• Community & Residential Power – reliable medium-to-large standby generators.

• Rental & Mobile Gensets – portable high-output power generation.

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Product Availability

The Cummins 6BTAA5.9-G12 Generator Drive Engine is available worldwide with genuine Cummins warranty, after-sales service, and spare parts, ensuring reliable and efficient power generation.