Overview
The 2500 Series engine has been developed using the latest engineering techniques and builds on the strengths of the already very successful 2000 Series family and addresses today’s uncompromising demands within the power generation industry. Developed from a proven heavy-duty industrial base these products offer superior performance and reliability.
The 2506D-E15TAG is a turbocharged and air-to-air charge-cooled, 6 cylinder diesel engine. Its premium features provide economic and durable standby duty, exceptional power-to-weight ratio resulting in exceptional fuel consumption and low gaseous emissions and advanced overall performance and reliability making this the prime choice for today’s power generation industry.
Variants certified against the requirements of EU Stage IIIA/U.S. EPA Tier 3 emissions standards for non-road mobile machinery, powered by constant speed engines.
Specifications
| Gross Mechanical Output | 458-497 kWm |
| Typical Electrical Output | 500-550 kVA (400-440 kWe) |
| Emissions | EU IIIA, U.S. EPA Tier 3, China III |
Benefits & Features
Economic power
Mechanically operated unit fuel injectors with advanced electronic control, combined with carefully matched
turbocharging, give excellent fuel atomisation which leads to exceptional low fuel consumption.
Reliable power
Developed and tested using the latest engineering techniques and finite element analysis for high reliability.
Low oil usage and low wear rates, high compression ratio ensures clean rapid starting in all conditions.
Compact, clean and efficient power
Exceptional power to weight ratio and compact size gives optimum power density for ease of installation and more
cost effective transportation.
Designed to provide excellent service access for ease of maintenance.
Specifications
| Gross Mechanical Output | 458-497 kWm |
| Typical Electrical Output | 500-550 kVA (400-440 kWe) |
| Rated Speed | 1500/1800 rpm |
| Prime | 500 kVA |
| Standby | 550 kVA |
| Prime | 400 kWe |
| Standby | 450 kWe |
| Emissions | EU IIIA, U.S. EPA Tier 3, China III |
| Number of Cylinders | 6 vertical inline |
| Bore | — |
| Stroke | — |
| Displacement | — |
| Compression Ratio | 16:1/17:1 |
| Aspiration | Turbocharged and air-to-air chargecooled |
| Combustion System | Direct injection |
| Rotation from Flywheel End | Anti-clockwise |
| Cooling System | Liquid |
| Aftertreatment | - |
| Typical Alternator Efficiency | 92% |
| Switchable | No |
| Length | — |
| Width | — |
| Height | — |
| Dry Weight | — |
| Note 1 | *Final dimensions dependent on selected options |
| Prime Power | Variable load. Unlimited hours usage with an average load factor of 80% of the published prime power rating over each 24 hour period. A 10% overload is available for 1 hour in every 12 hours operation. |
| Standby Power | Variable load. Limited to 500 hours annual usage up to 300 hours of which may be continuous running. No overload is permitted. |
Benefits & Features
Economic power
Mechanically operated unit fuel injectors with advanced electronic control, combined with carefully matched
turbocharging, give excellent fuel atomisation which leads to exceptional low fuel consumption.
Reliable power
Developed and tested using the latest engineering techniques and finite element analysis for high reliability.
Low oil usage and low wear rates, high compression ratio ensures clean rapid starting in all conditions.
Compact, clean and efficient power
Exceptional power to weight ratio and compact size gives optimum power density for ease of installation and more
cost effective transportation.
Designed to provide excellent service access for ease of maintenance.
Data not available.
Standard Equipment
- Air inlet system
- Mounted air filter
- Cooling system
- Gear-driven circulating pump
- Mounted belt-driven fan
- Radiator incorporating air-to-air charge cooler, (supplied loose)
- System designed for ambients up to 50ºC (122ºF)
- Electrical equipment
- 3 level engine protection system
- 24 volt starter motor and 24 volt 70 amp alternator with DC output
- ECM mounted on engine with wiring looms and sensors
- Flywheels and flywheel housing
- High inertia flywheel to SAE J620 size 14
- SAE ½ flywheel housing
- Fuel system
- Fuel cooler
- Governing to ISO 8528-5 class G3 with isochronous capability
- Mechanically actuated electronically controlled unit fuel injectors with full authority electronic control
- Replaceable ‘Ecoplus' fuel filter elements with primary filter/water separator
- Mountings
- Front engine mounting bracket
- Oil system
- Full-flow replaceable ‘Ecoplus' filter
- Oil cooler integral with filter header
- Wet sump with filler and dipstick
- Optional equipment
- 110 volt/240 volt immersion heater
- Additional speed sensor
- Air filter rain hood
- Closed circuit crankcase ventilation system
- Temperature and pressure sensors for gauges
- Tool kit
- Twin starters/facility for second starter