Product Description

The Cummins NTA855-G2 Generator Drive Engine is a proven 14L, 6-cylinder, turbocharged & aftercooled diesel engine designed specifically for generator set applications. With ratings of 321kW standby (50Hz) and 347kW standby (60Hz), it provides consistent and efficient performance in both prime and standby power generation.

Built with Cummins’ PT fuel system, robust cooling and lubrication design, and high torque output, this genuine generator drive engine is widely used across industries including commercial buildings, data centers, industrial facilities, and remote site operations.

Specifications

• Engine Model: Cummins NTA855-G2
• 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 (50Hz, 1500 rpm):

  • Prime: 284 kW(380 HP) / Standby: 321 kW(430 HP)

• Power Output (60Hz, 1800 rpm):

  • Prime: 313 kW(420 HP) / Standby: 347 kW(465 HP)

• Idle Speed: 575–650 rpm
• Governor Speed (No Load): Up to 2200 rpm
• Dry Weight: 1300–1410 kg (depending on cooling type)
• Lubrication Capacity: 28–39 L

• Cooling Capacity (Engine Only): 20.8 L

Product Advantages

• Genuine Cummins Reliability – Original Cummins generator engine built with strict global standards for unmatched durability.
• Flexible Frequency Options – Optimized for both 50Hz (1500 rpm) and 60Hz (1800 rpm) applications.
• Fuel Efficiency – PT direct injection ensures precise fuel control, reducing fuel consumption and operating costs.
• Strong Power Density – Compact 14L design provides excellent power-to-weight ratio, simplifying genset integration.
• Long Service Life – Heavy-duty cooling, lubrication, and turbocharging systems ensure stable operation under harsh conditions.

• Global Parts & Support – Cummins’ worldwide dealer network guarantees easy access to spare parts and service.

Key Features

• Turbocharged and aftercooled for improved efficiency and lower exhaust temperature.
• Stable speed regulation with excellent load acceptance.
• Suitable for both prime and standby generator set applications.
• High torque performance for reliable startup and load handling.
• Meets ISO 3046 performance standards under standard test conditions.

• Heavy-duty direct injection fuel system for consistent combustion.

Applications

The Cummins NTA855-G2 Diesel Engine for Generator Sets is ideal for:

• Prime Power Generation – continuous power supply for factories, mining, and remote sites.
• Standby Power Systems – reliable backup power for hospitals, telecom stations, and data centers.
• Commercial & Industrial Gensets – ensuring uninterrupted operations for enterprises and plants.
• Rental Power Units – trusted for mobile and temporary power solutions worldwide.

• Large Infrastructure Projects – power generation for airports, ports, and utilities.

Product Availability

The Cummins NTA855-G2 Generator Drive Engine is available in both 50Hz and 60Hz configurations. We supply genuine Cummins generator engines with warranty, global delivery, and technical support. Parts and maintenance are backed by Cummins’ international service network.