The Perkins 2806A-E18TAG2 is an 18L-class inline 6-cylinder diesel engine designed for medium to large industrial generator sets. With turbocharging, air-to-air aftercooling and direct injection, it delivers reliable power for continuous-duty, standby and high-load power generation applications.
This engine is commonly used in generator sets for factories, data centers, infrastructure projects, mining sites, construction projects, energy facilities and remote power applications. It is suitable for buyers who need stable generator power, practical fuel planning, parts availability and configuration support before purchase.
Not sure if this 2806A-E18TAG2 engine fits your generator set or project? Send us your Engine Serial Number (ESN) — we will help check the correct configuration before quotation.

Perkins 2806A-E18TAG2 Product Overview
The Perkins 2806A-E18TAG2 is built for generator applications where long running hours, stable output and predictable operating cost matter. Operating at 1500 rpm, it provides a typical prime power output of around 500 kW and supports 10% overload for 1 hour in every 12 hours, making it suitable for demanding power projects.
- Engine type: 18L-class inline 6-cylinder diesel engine.
- Application focus: medium to large industrial generator sets.
- Rated speed: 1500 / 1800 rpm.
- Typical prime power: around 500 kW at 1500 rpm.
- Overload capability: 10% overload for 1 hour in every 12 hours.
- Aspiration: turbocharged and air-to-air aftercooled.
- Emission compliance: EU Stage III / Euro III.
Key Advantages for Generator Set Buyers
Reliable Power for Continuous Operation
The Perkins 2806A-E18TAG2 is suitable for continuous-duty and high-load power generation applications. Its operating characteristics make it a practical engine choice for critical power facilities, industrial plants and projects where stable power supply is essential.
Fuel Consumption for Operating Cost Planning
Equipped with a Perkins electronic fuel injection system and a well-matched turbocharger, this 18-liter diesel engine supports precise fuel control and stable combustion. Typical fuel consumption can be as low as 202 g/kWh, helping generator operators estimate long-term fuel costs more clearly.
Emission Compliance
The Perkins 2806A-E18TAG2 complies with EU Stage III / Euro III emission standards, making it suitable for industrial and overseas power generation projects where emission compliance is required.
Maintenance and Service Support
The compact engine layout and accessible service points help simplify routine maintenance, inspection and parts replacement. For long-term operation, ZEB Power can support parts matching, technical communication and export supply for complete engines and replacement parts.
Built for Demanding Environments
The Perkins 2806A-E18TAG2 is designed for demanding operating conditions, including high temperatures, high humidity and corrosive environments. It is commonly selected for industrial standby power, prime power, critical infrastructure and remote power generation projects.
Technical Specifications
Perkins 2806A-E18TAG2 Generator Engine Data
| Category | Parameter | Specification |
|---|---|---|
| Total Power Range | Gross Mechanical Output | 540–678 kWm |
| Total Power Range | Typical Electrical Output | 600–750 kVA / 480–600 kWe |
| Total Power Range | Rated Speed | 1500 / 1800 rpm |
| Emission Standards | Emissions | Fuel Optimised |
| 50 Hz Output | Prime | 600–650 kVA |
| 50 Hz Output | Standby | 660–700 kVA |
| 60 Hz Output | Prime | 500–545 kWe |
| 60 Hz Output | Standby | 550–600 kWe |
| General | Number of Cylinders | 6 vertical inline |
| General | Bore | 145 mm |
| General | Stroke | 183 mm |
| General | Displacement | 18.1 L |
| General | Compression Ratio | 14.5:1 |
| General | Aspiration | Parallel turbocharged, air-to-air charge cooled |
| General | Combustion System | Direct injection |
| General | Rotation from Flywheel End | Anti-clockwise |
| General | Cooling System | Liquid |
| General | Aftertreatment | – |
| General | Typical Alternator Efficiency | 92% |
| General | Switchable | Yes |
| ElectropaK Dimensions | Length | 2545 mm |
| ElectropaK Dimensions | Width | 1536 mm |
| ElectropaK Dimensions | Height | 1808 mm |
| ElectropaK Dimensions | Dry Weight | 2050 kg |
| Note | Final Dimensions | Dependent on selected options |
Fuel Consumption Reference
Fuel consumption of the Perkins 2806A-E18TAG2 diesel engine for generator sets varies depending on operating load. At 1500 rpm prime power, typical fuel consumption is as follows:
| Operating Load | Typical Fuel Consumption |
|---|---|
| 50% load | Approximately 66 litres per hour |
| 75% load | Approximately 97 litres per hour |
| 100% prime power | Approximately 132 litres per hour |
| Standby power | Approximately 143 litres per hour |
These figures provide a practical reference for fuel planning and operating cost estimation in continuous and standby power generation applications.
Engine Applications
Industrial Manufacturing and Data Centers
Generator sets powered by the Perkins 2806A-E18TAG2 diesel engine are widely used as standby or critical power in industrial manufacturing, especially for production lines with high power continuity requirements, such as automotive stamping, welding, painting and assembly.
In the event of a grid outage, the generator set can start quickly and deliver stable power, helping reduce production downtime and equipment losses. For data centers, the 2806A-E18TAG2 provides stable and continuous backup power for servers and core systems. With low vibration and controlled noise levels, it supports critical power operation without affecting sensitive equipment.
Mining, Energy and Oil Fields
In mining and energy operations, the Perkins 2806A-E18TAG2 generator set supplies continuous power for mining equipment, crushing systems and auxiliary facilities. The engine performs reliably in high-temperature, dusty, remote and off-grid environments, making it suitable for long-term use in remote mining areas.
In oil field applications, it provides dependable power for drilling, pumping and oil processing systems, supporting both onshore and selected offshore operations while reducing the risk of power-related production interruptions.
Construction and Infrastructure
On construction sites, the Perkins 2806A-E18TAG2 generator set is commonly used as a temporary or mobile power source, supplying electricity for cranes, concrete equipment, site lighting and construction elevators.
It is well suited for frequent start-stop and relocation, meeting phased and area-specific power demands. In infrastructure projects such as roads and bridges, the generator set supports key processes like concrete pouring and on-site facilities, helping keep projects on schedule.

Replacement and Configuration Checking
Before purchasing a Perkins 2806A-E18TAG2 engine or replacement parts, configuration matching is important. Generator projects may differ in rated output, frequency, alternator model, control system, cooling package, mounting arrangement and selected options.
To reduce mismatch risk, please provide the engine serial number, nameplate photo, generator model, required power rating, frequency and destination country. ZEB Power can help check the correct engine configuration and parts requirement before quotation.
Tell us your equipment model or generator requirement, and we will recommend the correct configuration.
Available Perkins 2806A-E18TAG2 Parts
We support Perkins 2806A-E18TAG2 engine parts supply, including injectors, pistons, piston rings, bearings, connecting rods, pumps, gaskets, turbochargers, overhaul kits and related components. Original Perkins and selected remanufactured options may be available depending on part type, budget and current stock.
Contact us to check the Perkins 2806A-E18TAG2 parts manual and latest availability list
Perkins 2806A-E18TAG2 Spare Parts List for Reference
| Item | Part Name | Part Number | Engine Model | Quality |
|---|---|---|---|---|
| 1 | Main Bearing Kit | KRP3122 | 2806A-E18TAG2 | Original Perkins |
| 2 | Thrust Washer Kit | KRP3206 | 2806A-E18TAG2 | Original Perkins |
| 3 | Valve Collet | CH10019 | 2806A-E18TAG2 | Original Perkins |
| 4 | Valve Spring Inner | CH11489 | 2806A-E18TAG2 | Original Perkins |
| 5 | Valve Spring Outer | CH11487 | 2806A-E18TAG2 | Original Perkins |
| 6 | Valve Guide | CH10724 | 2806A-E18TAG2 | Original Perkins |
| 7 | Exhaust Valve | CH11022 | 2806A-E18TAG2 | Original Perkins |
| 8 | Intake Valve | CH11021 | 2806A-E18TAG2 | Original Perkins |
| 9 | Liner - Press Fit | CH12742 | 2806A-E18TAG2 | Original Perkins |
| 10 | Connecting Rod Assembly | CH11507 | 2806A-E18TAG2 | Original Perkins |
| 11 | Big End Bearing Kit | KRP3016 | 2806A-E18TAG2 | Original Perkins |
| 12 | Piston Ring Kit | KRP3015 | 2806A-E18TAG2 | Original Perkins |
| 13 | Engine Control Module | CH12800R | 2806A-E18TAG2 | Original Perkins |
| 14 | Starter Motor | CH11441 | 2806A-E18TAG2 | Original Perkins |
| 15 | Belt | CH11186 | 2806A-E18TAG2 | Original Perkins |
| 16 | Oil Pump | CH10860 | 2806A-E18TAG2 | Original Perkins |
| 17 | Oil Filter Assembly | KRP1719 | 2806A-E18TAG2 | Original Perkins |
| 18 | Water Pump Kit | KRP1678 | 2806A-E18TAG2 | Original Perkins |
| 19 | Turbocharger | CH11516 | 2806A-E18TAG2 | Original Perkins |
| 20 | Exhaust Manifold | CH11556 | 2806A-E18TAG2 | Original Perkins |
| 21 | Exhaust Manifold | CH11557 | 2806A-E18TAG2 | Original Perkins |
Why Work With ZEB Power?
- Engine and parts matching: support configuration checking by ESN, engine model, generator model or part number.
- Perkins engine supply support: supply support for complete engines and commonly required 2806A-E18TAG2 spare parts.
- Flexible parts options: Original Perkins and selected remanufactured options may be recommended according to project budget and availability.
- Stock verification: help customers confirm current availability before order confirmation.
- Export experience: support customers in South America, Africa, CIS, Australia, Southeast Asia and other industrial power markets.
- Long-term cooperation: suitable for generator dealers, maintenance companies, distributors and power project contractors.


Packaging and Shipping
Each engine undergoes appearance and serial number inspection before shipment. Complete engines are packaged in reinforced steel-framed wooden boxes with moisture-proof and orientation labels. Key components such as ECM and fuel injectors can be packaged in independent shock-proof containers when required.
We work with international freight forwarders and support trade terms such as CIF, FOB and DDP according to customer requirements. Customers in Africa and Southeast Asia usually choose LCL or FCL shipping by sea, with an average delivery cycle of 18–25 days.


Frequently Asked Questions
What generator set range is suitable for the Perkins 2806A-E18TAG2?
The Perkins 2806A-E18TAG2 is used for medium to large industrial generator sets. Its typical electrical output range is 600–750 kVA / 480–600 kWe, with 50 Hz prime output of 600–650 kVA and 50 Hz standby output of 660–700 kVA.
Is the Perkins 2806A-E18TAG2 suitable for continuous operation?
Yes. The engine is designed for continuous-duty and high-load power generation applications. At 1500 rpm, it provides a typical prime power output of around 500 kW and allows 10% overload for 1 hour in every 12 hours.
What fuel consumption should I use for planning?
At 1500 rpm prime power, typical fuel consumption is approximately 66 litres per hour at 50% load, 97 litres per hour at 75% load, 132 litres per hour at 100% prime power and 143 litres per hour at standby power.
Can this engine be used for data center backup power?
Yes. The Perkins 2806A-E18TAG2 can be used in generator sets for data centers, critical infrastructure and industrial standby power projects where stable backup power is required.
What information is needed before quotation?
Please provide the engine serial number, engine nameplate photo, generator model, required power rating, frequency, application, quantity and destination country. For parts inquiries, please also provide part numbers or clear photos.
Are Perkins 2806A-E18TAG2 spare parts available?
Yes. Common parts include main bearing kits, thrust washer kits, valve train parts, liners, connecting rod assemblies, piston ring kits, ECM, starter motors, belts, oil pumps, water pump kits, turbochargers and exhaust manifolds. Parts should be confirmed by ESN, engine model or part number before shipment.
Contact and Inquiry
For accurate quotation and configuration matching, please provide:
- Engine Serial Number (ESN) or nameplate photo
- Generator model or application type
- Required power rating and frequency
- Complete engine or spare parts requirement
- Quantity and destination country or port