Product Description

The Cummins NTA855-G1B Generator Drive Engine is a high-capacity diesel engine for generator sets, engineered for heavy-duty power generation in both prime and standby duty cycles. Operating at 1500 rpm (50Hz), it produces 284 kW prime power and up to 321 kW standby power, offering superior output compared to other NTA855 models.

Featuring a turbocharged and aftercooled design, the NTA855-G1B delivers high torque, optimized fuel consumption, and excellent thermal performance. Built by Chongqing Cummins Engine Co., Ltd., this genuine Cummins generator engine combines reliability, serviceability, and durability to meet the demands of critical power projects worldwide.

Specifications

• Engine Model: Cummins NTA855-G1B
• Type: 4-Cycle, Inline 6-Cylinder, Turbocharged & Aftercooled
• Displacement: 14 L (855 in³)
• Bore × Stroke : 140 × 152 mm (5.5 × 6.0 in)
• Compression Ratio: 14.0:1
• Rated Speed: 1500 rpm (50Hz)
• Prime Power: 284 kW (380 HP) @1500 rpm
• Standby Power: 321 kW (430 HP) @1500 rpm
• Rated Speed: 1800 rpm (60Hz)
• Prime Power: 313 kW (420HP)@1800 rpm
• Standby Power: 347 kW (465 HP)@1800 rpm
• Torque: 1808–2044 N·m
• Dry Weight: 1300–1410 kg
• Wet Weight:1350–1510 kg
• Fuel System: Cummins PT Direct Injection
• Fuel Consumption @100% Load : 71.4 L/h ( 59.3 kg/h) @ 50Hz
• Fuel Consumption @100% Load : 80.5 L/h ( 66.8 kg/h) @ 60Hz

Product Advantages

• Higher Power Output – Provides up to 321 kW standby power, making it the strongest in the NTA855 50Hz family.
• Fuel-Efficient Design – Cummins PT system ensures precise fuel delivery and optimized consumption.
• Heavy-Duty Performance – Turbocharged & aftercooled engine with torque up to 2044 N·m.
• Durability – Built for continuous operation with robust components and long service intervals.
• Serviceability – Supported by Cummins’ global service network with genuine parts availability.

• Flexibility – Compatible with both radiator-cooled and heat exchanger-cooled systems.

Key Features

• Inline 6-cylinder diesel engine for generator set applications.
• Prime rating of 284 kW at 1500 rpm, standby rating of 321 kW(50Hz).
• Prime Rating of 313 kW (420HP)@1800 rpm, standby rating of 347 kW (60Hz).
• Strong torque curve for stable power generation under varying loads.
• Turbocharged & aftercooled design for improved combustion efficiency.
• Heavy-duty lubrication and cooling systems for reliability.

• Proven Cummins generator drive engine trusted worldwide.

Applications

The Cummins NTA855-G1B Generator Drive Engine is suitable for:

• Industrial power stations and heavy-duty generator sets.
• Commercial complexes such as malls, hotels, and office towers.
• Data centers requiring reliable backup electricity.
• Mining and construction sites with intensive power demands.

• Remote area power generation and off-grid projects.

Product Availability

The Cummins NTA855-G1B Generator Drive Engine is available globally through Cummins’ authorized distributor network. Customers gain access to full technical support, after-sales service, and genuine Cummins generator engine parts, ensuring maximum uptime and performance in critical power generation projects.