Product Description

The Cummins NTAA855-G7 Generator Drive Engine is a heavy-duty 14L, 6-cylinder, turbocharged and air-to-air aftercooled diesel engine built for generator set applications. At 1500 rpm (50Hz), it delivers 343 kW prime power and 377 kW standby power, ensuring consistent, efficient, and long-lasting performance for prime or backup power generation.

With its advanced PT fuel system, superior cooling and lubrication capacity, and genuine Cummins engineering, the NTAA855-G7 is widely trusted for industrial, commercial, and large-scale infrastructure projects worldwide.

Specifications

• Engine Model: Cummins NTAA855-G7
• 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 & Air-to-Air Aftercooled
• Fuel System: Cummins PT Direct Injection

• Power Output (1500 rpm, 50Hz):

  • Prime: 343 kW (460 hp) / Standby: 377 kW (505 hp)

• Torque (N·m): 2184 (Prime) / 2400 (Standby)
• Idle Speed: 575–650 rpm
• Maximum Governed Speed: 1800 rpm
• Dry Weight: 1270 kg
• Wet Weight: 1320 kg
• Lubrication Capacity: 28–39 L

• Cooling Capacity (Engine Only): 20.8 L

Product Advantages

• High Output Power – Up to 377kW standby rating, designed for demanding generator set applications.
• Enhanced Cooling – Air-to-air aftercooling ensures efficient combustion and longer engine life.
• Fuel Efficiency – PT direct injection guarantees precise fuel delivery, reducing fuel consumption.
• Durability & Reliability – Proven Cummins 855 platform with robust construction for harsh operating conditions.
• Compact Inline-6 Design – Simplifies genset integration and reduces installation footprint.

• Global Support & Parts Availability – Fully backed by Cummins’ worldwide dealer and service network.

Key Features

• Optimized for 50Hz generator set applications at 1500 rpm.
• Turbocharged and air-to-air aftercooled for improved thermal efficiency.
• Stable operation with high torque and excellent load acceptance.
• Meets ISO 3046 performance standards under reference test conditions.
• Heavy-duty oil and cooling system ensures extended service intervals.

• Designed for both prime and standby duty cycles.

Applications

The Cummins NTAA855-G7 Diesel Engine for Generator Sets is ideally suited for:

• Prime Power Generation – continuous electricity for mining, industrial facilities, and remote sites.
• Standby Power Systems – backup power for hospitals, airports, data centers, and telecom stations.
• Infrastructure Projects – reliable energy supply for utilities, seaports, and government facilities.
• Rental Power Units – robust power solution for mobile and temporary generator sets.

• Large Industrial Operations – manufacturing and heavy-load applications.

Product Availability

The Cummins NTAA855-G7 Generator Drive Engine is available now with full genuine Cummins warranty, spare parts support, and global service coverage. Fast delivery and technical assistance are provided to ensure maximum uptime for your power generation projects.