Details
NTAA855-G7A
Original Cummins, new machines at absolute wholesale prices.
HekoPower Group is the reliable choice.
Our partner Cummins, a global power solutions leader, comprises five business segments – Components, Engine, Distribution, Power Systems and Accelera by Cummins – supported by Cummins global manufacturing and extensive service and support network, skilled workforce and vast technological expertise. In 1981, Chongqing Engine Plant started to license-produce Cummins engines, and in 1995, it jointly established a Chinese joint venture engine factory with Cummins.
NTAA855-G7A is the generator used as a backup or safety equipment in the absence of mains power or in the event of a power failure and/or blackout.
Technical Specifications
General Engine Data
Engine Model: Cummins NTAA855-G7A
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 14 L
Bore * Stroke: 140 * 152
Net Weight: 1270 Kg
Overall Dimension: 2055mm*990mm*1535mm
Key Performance Date
Rated Power/Standby Output: 343 kW/460HP, 377 kW/505HP
Torque @Rated/Standby Output: 2184/2400 N.m @ 1500 rpm
Rated Speed: 1800 rpm
Low Idle Speed: 575-650 rpm
Fuel Consumption @ Rated Power: 86 L/Kw.h
More Technical Data
Fuel System: Cummins PT Pump, Direct Injection
Aspiration: Turbocharged & Aftercooled
Electrical System (Starter Motor/Alternator): 24V/900A
Governor Type: Mechanical Control
Compression Ratio: 14:1
Lowest Starting Temp (Without auxiliary system): -12℃
Coolant Volume (Engine Only): 20.8 L
Cooling Method: Water Cooled
Cummins N855-G Series
Cummins N855-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes NT855-G, NT855-GA, NT855-G1, NT855-G1A, NT855-G1B, NTA855-G2, NTA855-G2A, NTA855-G3, NTA855-G4, NTA855-G7, NTA855-G7A.
Cummins® heavy-duty engine
Rugged 4-cycle, industrial diesel delivers reliable power, low emissions and fast response to load changes.
Alternator
Several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads and fault clearing short-circuit capability.
Permanent magnet generator (PMG)
Offers enhanced motor starting and fault clearing short-circuit capability.
Control system
The PowerCommand® electronic control is standard equipment and provides total genset system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentryTM protection, output metering, auto-shutdown at fault detection and NFPA 110 Level 1 compliance.
Cooling system
Standard cooling package provides reliable running at the rated power level, at up to 50 °C (122 °F) ambient temperature.
Enclosures
Optional weather protective and sound attenuated enclosures are available.
Fuel tanks
Dual wall sub-base fuel tanks are also offered.
NFPA
The genset accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems.
