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Cummins MTAA11-G2A 234kW Generator Drive Engine Supply
Finding a reliable heavy-duty Cummins engine for industrial generators requires looking past generic factory spreadsheets. As an authorized distributor, HekoPower supplies the authentic Chongqing Cummins (CCEC) MTAA11-G2A diesel engine, optimized specifically for global industrial prime and standby power generation systems.
This 10.8L Cummins industrial power engine delivers a net standby output of 234 kW at 1500RPM, making it a highly requested configuration for 50Hz diesel generator sets operating under variable, high-load conditions.
Tech Specs of Cummins MTAA11-G2A 234kW
General Engine Data
Engine Model: Cummins MTAA11-G2A-234KW
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 10.8 L
Bore * Stroke: 125 * 147
Net Weight: 1007 Kg
Overall Dimension: 1306mm*914mm*1280mm
Key Performance Data
Rated Power, Standby Output: 234 kW, 257 kW
Rated Speed: 1500 rpm
Low Idle Speed: 675-750 rpm
Fuel Consumption @ Rated Power: 188 L/Kw.h
Max. Running Altitude: 1500 m
Continuous Output/Speed: 175 kW @ 1500 rpm
More Technical Data
Fuel System: Cummins PT Pump, Direct Injection
Aspiration: Turbocharged/Charge Air Cooled
Compression Radio: 16.1:1
Lowest Starting Temp (Without auxiliary system): -12℃
Cooling Method: Water Cooled
Governor Type: Mechanical Control, ≤ 5%
Engine Coolant Volume: 9.5 L
Electrical System (Starter Motor/Alternator): 24V
Fuel Efficiency Analysis
The heart of the CCEC M11 series diesel engine for genset configurations lies in its structural durability and specialized air-to-air charge cooling systems. This section addresses the exact operating parameters that industrial engineers review prior to procurement.
Cummins MTAA11-G2A Fuel Consumption Data
Fuel efficiency directly determines your operational overhead. Unlike standard inline engines, the 10.8L displacement design optimizes thermal efficiency. The standard Cummins MTAA11-G2A fuel consumption g/kw.h curves change based on real-world load management:
- 100% Prime Load: Approximately 206 g/kWh to 210 g/kWh.
- 75% Prime Load: Drops to roughly 204 g/kWh, offering the optimal economic sweet spot for continuous running.
- 50% Prime Load: Maintains steady combustion profiles, avoiding the wet-stacking common in low-efficiency alternatives.
Cummins PT Fuel System Generator Engine Attributes
This engine utilizes the legendary Cummins PT (Pressure-Time) pump injection system. The mechanical PT pump self-regulates internal pressure based on engine speed. This eliminates complex electronic engine control units (ECUs) that often fail in high-moisture or dusty environments. It allows the generator engine to accept lower-grade, high-sulfur diesel common in remote mining or construction sectors without immediate fuel system failure.
MTAA11-G2A Cooling System Specifications
The "AA" in MTAA11 signifies Air-to-Air intercooling. The engine routes hot turbocharger air through a dedicated radiator setup before it enters the combustion chamber. This lowers intake air temperatures below 50°C, increases air density, and ensures stable 234 kW power delivery even when ambient engine room temperatures exceed 40°C.
Engineering Differences: Cummins MTAA11-G2 vs MTAA11-G2A
Procurement managers often confuse the base MTAA11-G2 with the newer MTAA11-G2A model. While they share the basic 10.8L block, their internal configurations differ to support varying generator alternator efficiencies.
Structural Changes and Power Output Deviations
The primary difference between Cummins MTAA11-G2 and MTAA11-G2A involves structural adjustments to the camshaft profiling and fuel injection timing. The G2A variant features an optimized compression ratio designed to handle sudden, high-amp step loads without significant engine RPM drops. This makes the G2A far better suited for modern alternators requiring precise frequency stability (less than 1% steady-state governor droop).
Real-World B2B Application Scenarios
The Chongqing Cummins 1500RPM generator engine is not a universal solution for every machinery type. It is purpose-built for heavy industrial sectors where a power outage means catastrophic financial loss.
Cummins 234kW Diesel Engine for Data Centers
Data infrastructure requires zero-latency standby power activation. The MTAA11-G2A functions perfectly as a Cummins standby generator engine quotation baseline for Tier III data center facilities. Its mechanical responsiveness ensures that upon a utility grid failure, the engine hits its 1500RPM operating speed and stabilizes output voltage within 10 seconds.
Cummins Generator Engine for Telecom Backup Power
Base transceiver stations and remote telecom towers demand continuous remote reliability. This engine provides structural longevity for telecom networks, operating seamlessly for 250 to 500 hours between basic oil changes. Its heavy-duty cast-iron block reduces structural vibrations, extending the lifespan of connected sensitive electronic components.
Continuous Power for Industrial Environments
HekoPower distributes this model for several high-demand physical operations:
- Cummins Engine for Mining Power Station: Runs crushing plants and ventilation fans under heavy dust conditions.
- Cummins Engine for Construction Site Generators: Powers tower cranes and concrete batching plants with high inductive startup loads.
- Generator Engine for Manufacturing Plants: Protects cold-chain facilities, plastics extrusion lines, and assembly plants from grid instability.
Maintenance, Lifecycle Management, and Replacement Tips
Preventative care determines whether your 10.8L Cummins industrial power engine lasts 10,000 hours or 30,000 hours before a major overhaul is required.
Daily and 250-Hour Maintenance Routines
To ensure your Cummins M11 generator engine maintenance guide requirements are met, check the oil pan levels and water separators daily. Replace primary fuel filters, the lube oil filter, and the bypass filter every 250 hours of operation. Always check the tension on the water pump drive belt to prevent sudden overheating.
Long-Term Overhaul Indicators
After approximately 15,000 to 20,000 hours of runtime, monitor for increased crankcase blow-by or a drop in oil pressure below 207 kPa (30 psi) at rated speed. HekoPower stocks full CCEC M11 series cylinder liner kits, main bearing shells, and top-end gasket sets to support rapid on-site overhauls without long lead times.
Global Supply, Logistics, and Procurement Guide
As an established industrial Cummins diesel engine distributor, HekoPower manages the entire logistical pipeline from our facility directly to your port of destination.
Cummins MTAA11-G2A 234kW Engine Lead Time and FOB Shanghai
We maintain direct inventory links with the CCEC manufacturing facility in Chongqing. Standard delivery lead times for an original Cummins MTAA11-G2A genuine OEM engine assembly range from 10 to 15 business days from order confirmation. Our standard logistics process routes shipments via heavy-rail or specialized domestic freight to the Port of Shanghai for immediate export.
Worldwide Export and Customs Packaging
Every engine leaves our facility packed in seaworthy, IPPC-certified fumigated wooden crates. We include complete anti-rust coatings on all exposed metal shafts and wrap the unit in heavy VCI moisture-barrier plastic. HekoPower is an experienced genuine CCEC Cummins engine exporter supplying regions worldwide:
- Africa: Mining and infrastructure power grids.
- Southeast Asia: Industrial manufacturing backup systems.
- Middle East: High-ambient desert-ready generator sets.
- South America: Off-grid agricultural processing plants.
Cummins M11-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes MTAA11-G2-50HZ, MTAA11-G2-60HZ, MTAA11-G2A-234KW, MTAA11-G3-282KW.
Frequently Asked Questions
What is the exact baseline price for a Cummins MTAA11-G2A?
The original Cummins MTAA11-G2A wholesale agent price fluctuates based on regional emission certification needs, inclusion of radiators, and total order volume. Contact HekoPower directly for an exact, real-time Cummins MTAA11-G2A factory price China quotation.
Does the engine come with a factory warranty?
Yes. Every genuine CCEC Cummins engine supplied by HekoPower comes backed by standard global Cummins warranty terms, manageable via your local Cummins authorized service network.
Can this engine run at 1800RPM for 60Hz generator applications?
The MTAA11-G2A is optimized specifically as a Cummins MTAA11-G2A 50Hz diesel engine running at 1500RPM. For 60Hz (1800RPM) applications, contact our engineering team to request the corresponding standard M11 series variant.
What grade of lubricating oil does this model require?
We strictly recommend high-quality CH-4 or CI-4 grade 15W-40 diesel engine oils to protect the mechanical PT fuel system and valve trains under continuous high-load operations.
