Cummins NTA855-G1A Engine Performance Data

2026-08-26cummins-nta855-g1a-engine-performance-data-32.pdf

Download the Cummins NTA855-G1A engine performance data PDF, including power, fuel consumption and technical specifications for generator applications.

Chongqing Cummins NTA855-G1A Diesel Engine – Technical Data

The Chongqing Cummins NTA855-G1A is a 14-litre, 6-cylinder diesel engine designed for generator drive applications. Featuring a turbocharged and aftercooled design and Cummins PT direct fuel injection system, the engine provides reliable power output and stable performance for diesel generator sets.

The NTA855-G1A is rated at 355 HP (264 kW) prime power and 390 HP (291 kW) standby power at 1500 rpm for 50Hz generator applications. This technical data page provides key engine specifications, performance data, fuel consumption information and the original engine datasheet for download.

Key Specifications

Engine Model NTA855-G1A
Engine Brand Chongqing Cummins
Configuration 4-Cycle, Inline, 6-Cylinder
Displacement 14 L (855 in³)
Bore × Stroke 140 × 152 mm (5.5 × 6 in.)
Aspiration Turbocharged & Aftercooled
Fuel System Cummins PT Direct Injection
Rated Speed 1500 rpm
Prime Power 264 kW / 355 HP @ 1500 rpm
Standby Power 291 kW / 390 HP @ 1500 rpm
Data Sheet C-0802A
Configuration No. D093517DX02

Performance Highlights

At 1500 rpm, the NTA855-G1A delivers 264 kW (355 HP) of prime power and 291 kW (390 HP) of standby power. The engine is designed for 50Hz generator applications and provides high torque and dependable performance for demanding power generation duties.

At 100% prime power, fuel consumption is approximately 61.3 L/h, while standby operation at full rated output consumes approximately 68.3 L/h. The supplied performance curve also provides fuel consumption data at 75%, 50%, 25% and 10% load conditions.

Technical Datasheet

The NTA855-G1A technical datasheet provides detailed engine specifications and performance information, including rated power, torque, fuel consumption, intake air flow, exhaust gas data, cooling system requirements, lubrication system data, fuel system specifications and electrical system requirements.

Performance Data

Prime Power 264 kW / 355 HP
Standby Power 291 kW / 390 HP
Prime Power Fuel Consumption 61.3 L/h @ 100% Load
Standby Fuel Consumption 68.3 L/h @ 100% Load
Prime Power Torque 1681 N·m
Standby Power Torque 1853 N·m
Prime Exhaust Gas Temperature 484°C
Standby Exhaust Gas Temperature 498°C

Free Technical Datasheet Download

Download the original Chongqing Cummins NTA855-G1A engine technical datasheet and performance curve for detailed specifications, rated power, fuel consumption, operating data and generator drive application information.

Generator Set Application

The Chongqing Cummins NTA855-G1A diesel engine is used for GENLITEC POWER 220 kW prime power diesel generator sets. With a rated engine output of 264 kW prime power and 291 kW standby power at 1500 rpm, it provides reliable power performance and sufficient engine capacity for generator set applications.