Product Description

The Cummins NTA855-G4 Generator Drive Engine is a robust 14L, 6-cylinder, turbocharged and aftercooled diesel engine developed specifically for generator set applications. Operating at 1500 rpm (50Hz), it delivers 317 kW prime power and 351 kW standby power, ensuring reliable and efficient performance for both continuous and backup power systems.

Backed by Cummins’ proven PT direct injection fuel system and heavy-duty cooling and lubrication design, the NTA855-G4 combines high power density with fuel efficiency, making it one of the most trusted engines for global power generation projects.

Specifications

• Engine Model: Cummins NTA855-G4
• Application: Generator Drive Engine
• Displacement: 14 L (855 in³)
• Configuration: 6-cylinder, in-line, 4-cycle
• Bore × Stroke: 140 × 152 mm
• Compression Ratio: 14.0:1
• Aspiration: Turbocharged & Aftercooled
• Fuel System: Cummins PT Direct Injection

• Power Output (1500 rpm, 50Hz):

  • Prime: 317 kW (425 hp) / Standby: 351 kW (470 hp)

• Torque (N·m): 2018 (Prime) / 2235 (Standby)
• Idle Speed: 650–750 rpm
• Governed Speed (No Load): 1800 rpm
• Dry Weight: 1300–1410 kg (depending on cooling type)
• Lubrication Capacity: 28–39 L

• Cooling Capacity (Engine Only): 20.8 L

Product Advantages

• Reliable Power Output – Provides up to 351kW standby, ideal for high-demand power generation projects.
• Fuel Efficiency – PT injection system delivers precise fuel control, reducing consumption and operating costs.
• Heavy-Duty Durability – Turbocharged and aftercooled for continuous operation in demanding environments.
• Compact & Flexible Design – Inline-6 configuration allows easy integration into generator sets.
• Cummins Global Quality – Genuine engine designed and built to Cummins international standards.

• Worldwide Service Support – Backed by Cummins’ global parts and dealer network for dependable maintenance.

Key Features

• Optimized for 50Hz generator set applications at 1500 rpm.
• Turbocharged & aftercooled for improved efficiency and lower emissions.
• Meets ISO 3046 performance standards under standard reference conditions.
• High torque and fast load acceptance.
• Strong lubrication and cooling systems for extended service intervals.

• Designed for both prime and standby generator sets.

Applications

The Cummins NTA855-G4 Diesel Engine for Generator Sets is suited for:

• Prime Power Generation – continuous electricity for industrial facilities, plants, and mining sites.
• Standby Power Systems – backup power for hospitals, telecom stations, and commercial buildings.
• Infrastructure Projects – airports, seaports, and large-scale utilities.
• Rental Power Units – durable engine for mobile and temporary gensets.

• Heavy Industry – manufacturing, construction, and high-load operations.

Product Availability

The Cummins NTA855-G4 Generator Drive Engine is available for global supply with genuine Cummins warranty and after-sales service. Customers benefit from Cummins’ international dealer support network, ensuring fast delivery, spare parts, and technical assistance anywhere in the world.