Perkins 2506C-E15TAG3 Diesel Engine For Generator SetProduct Description
Perkins 2506C-E15TAG3 Diesel Engine For Sale – Product Overview
The Perkins 2506C-E15TAG3 diesel engine is a 15-liter, inline 6-cylinder engine from the proven Perkins 2500 Series, specifically engineered for medium to high power generator set applications.
It features an electronically controlled direct injection fuel system, combined with turbocharging and air-to-air aftercooling, delivering stable power output, fast load response, and long-term operational reliability.
Manufactured at Perkins'Seguin, USA facility, the 2500 Series is built on a mature industrial platform widely adopted in industrial, commercial, and infrastructure power generation projects.
The Perkins 2506C Series includes:
2506C-E15TAG1, 2506C-E15TAG2, 2506C-E15TAG3, 2506C-E15TAG4.
Among them, the Perkins 2506C-E15TAG3 offers a well-balanced power range and generator matching, making it a preferred option for buyers seeking reliable and standardized generator solutions.
Power Output & Generator Capability
The Perkins 2506C engine range provides:
553 – 836 hp (412 – 623 kW)
Generator output:
455 – 687 kVA
364 – 550 kWe
Key Features
Engine Type
Turbocharged, air-to-air aftercooled, inline 6-cylinder diesel engine
Fuel System
Electronically controlled direct injection for precise fuel delivery, efficient combustion, and stable performance
Design Advantages
1.Inline 6-cylinder configuration for smooth operation and durability
2.Optimized bore and stroke for efficient power output
3.Strong power-to-weight ratio and competitive fuel consumption
Low Noise & Vibration
Designed for generator installations with strict operational and environmental requirements
Emissions & Compliance
The Perkins 2506C-E15TAG3 diesel engine complies with major international emission regulations:
1.EU 97/68/EC Stage II
2.EPA Tier 2
This ensures easier deployment across multiple regions without complex aftertreatment systems.
Reliability, Service & Spare Parts Support
Perkins engines are known for durability, predictable lifecycle costs, and long service intervals.
The 2506C-E15TAG3 engine is:
1.Fully tested for continuous and standby power applications
2.Capable of operating in high temperature, low temperature, and high-altitude environments
3.Supported by a global service network and widely available technical documentation
For maintenance and long-term operation, the Perkins 2506C-E15TAG3 parts manual and spare parts support are readily available, helping buyers reduce downtime and manage total cost of ownership.
Not sure if this 2506C-E15TAG3 engine fits your machine? Send us your Engine Serial Number (ESN) — we will match it within 30 minutes.
Engine Application
The Perkins 2506C-E15TAG3 is one of the most widely adopted engines in the 15-litre displacement class, often regarded as a long-proven and reliable platform for 450–500 kVA generator set applications.
Thanks to its Perkins 2500 Series architecture, inline 6-cylinder design, and turbocharged aftercooled (TA) configuration, this engine has been consistently selected by leading global OEMs and generator manufacturers.
OEM Generator Set Applications
FG Wilson – Models: P500-1 / P500-3
FG Wilson is one of the world's most recognized generator set brands. Its 500 kVA generator range has long adopted the Perkins 2506C-E15TAG3 as the core power unit.
The engine's high power density and compact footprint allow FG Wilson to deliver reliable output while maintaining a space-efficient generator design, suitable for both standby and prime power applications.
Olympian (Caterpillar Group) – Models: GEH500-2 / GEP500-1
As a Caterpillar-owned brand, Olympian integrates the Perkins 2506C-E15TAG3 diesel engine into many of its medium-to-large generator sets, particularly for 50 Hz markets.
This combination is widely deployed in industrial and commercial power systems where stable performance, standardized servicing, and global support are essential.
PRIMA Power and Other Assembler OEMs
Numerous generator assemblers and export-oriented OEMs—especially those active in Southeast Asia and the Middle East—use the 2506C-E15TAG3 as their preferred engine for silent type and containerized generator sets in the 450–500 kVA range.
Its compatibility with multiple alternator brands and control systems makes it a flexible choice for customized power solutions.
ZEB Power collaborates with the authorized Perkins's Tier 1 dealer more than 15 years in China. We welcome enquiries for quotations and stock verification.Tell us your equipment model (Generators / Loader / Excavator / Underground Truck), we will recommend the correct configuration.
Industry Application Scenarios
Data Centers – Standby Power
In data center backup power systems, fast response and reliability are critical.
The electronically controlled MEUI fuel system of the Perkins 2506C-E15TAG3 ensures rapid engine start and stable load acceptance during power outages, supporting the continuity requirements of Tier III-class data centers.
Hospitals & Medical Facilities – Emergency Power
Hospitals rely on uninterrupted power for life-support and critical medical equipment.
In the 500 kVA class, the 2506C-E15TAG3 is valued for its long overhaul intervals and proven durability, helping ensure reliable emergency power supply when it matters most.
High-Rise Buildings & Commercial Complexes – Backup Systems
For elevators, fire protection, and essential services, installation space is often limited.
Compared with other engines in the same power range, the compact inline 6-cylinder design of the 2506C-E15TAG3 allows easier installation in basement generator rooms, without sacrificing output performance.
Mining & Remote Operations – Prime Power
In mining sites and remote field operations, generators often operate as prime power sources under harsh conditions.
The Perkins 2506C-E15TAG3 demonstrates strong environmental adaptability, maintaining stable performance and cold-start capability even in ambient temperatures up to 50°C, while handling continuous load demands.
Available Parts List
We maintain large stock for core components for fast shipment — injectors, pistons, rings, bearing, connecting rod, pumps, gaskets turbos, overhaul kits etc,. always ready.”
We supply Genuine and remanufactured options — tell us your budget, and we'll recommend the best choice.
Want to check Perkins 2506C E15TAG3 Parts manual? Contact us to get the latest availability list
| Item | Part Name | Part Number | Engine Model | Quality |
|---|---|---|---|---|
| 1 | INTAKE VALVE | CH11021 | 2506C-E15TAG3 | Original Perkins |
| 2 | EXHAUST VALVE | CH11022 | 2506C-E15TAG3 | Original Perkins |
| 3 | CAMSHAFT BUSH | CH11228 | 2506C-E15TAG3 | Original Perkins |
| 4 | SEAL – ROCKER BOX COVER | CH11353 | 2506C-E15TAG3 | Original Perkins |
| 5 | CRANKSHAFT ASSEMBLY | CH12792 | 2506C-E15TAG3 | Original Perkins |
| 6 | MAIN BEARING KIT | KRP3122 | 2506C-E15TAG3 | Original Perkins |
| 7 | CYLINDER HEAD GASKET | CH11398 | 2506C-E15TAG3 | Original Perkins |
| 8 | CYLINDER LINER | CH11180 | 2506C-E15TAG3 | Original Perkins |
| 9 | OIL SEAL | CH10674 | 2506C-E15TAG3 | Original Perkins |
| 10 | VALVE GUIDE | CH10724 | 2506C-E15TAG3 | Original Perkins |
| 11 | WASHER | CH10716 | 2506C-E15TAG3 | Original Perkins |
| 12 | VALVE SPRING OUTER | CH12798 | 2506C-E15TAG3 | Original Perkins |
| 13 | VALVE COLLET | CH10019 | 2506C-E15TAG3 | Original Perkins |
| 14 | CON ROD ASSEMBLY | CH11507 | 2506C-E15TAG3 | Original Perkins |
| 15 | BIG END BEARING KIT | KRP3016 | 2506C-E15TAG3 | Original Perkins |
| 16 | PISTON RING KIT | KRP3018 | 2506C-E15TAG3 | Original Perkins |
| 17 | LIFT PUMP | KRP1721 | 2506C-E15TAG3 | Original Perkins |
| 18 | BELT | CH11950 | 2506C-E15TAG3 | Original Perkins |
| 19 | OIL PUMP | CH10860 | 2506C-E15TAG3 | Original Perkins |
| 20 | EXHAUST MANIFOLD | CH10774 | 2506C-E15TAG3 | Original Perkins |
Why Work With Us?
1.We offer 2 quality levels — Original and Remanufactured— allowing you to choose based on project budget.
2.We work with the authorized Perkins agent directly in China
3.Large real-time stock enables fast delivery for urgent mining jobs.
4.Technical team supports part matching & troubleshooting
5.We support long-term supply for distributors and mining projects.”
6.Serving mining clients in South America, Africa, CIS, Australia and Southeast Asia etc,.
Packaging & Shipping
Each engine undergoes strict appearance and serial number inspection before shipment and is packaged in reinforced steel-framed wooden boxes with moisture-proof and orientation labels. Key components such as ECM and fuel injectors are packaged in independent shock-proof containers and are accompanied by export certificates.
We maintain long-term cooperation with international freight forwarders and offer 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 (FAQ)
Q1: What generator size is suitable for the Perkins 2506C-E15TAG3 engine?
The engine is commonly matched with generator sets rated between 455 and 687 kVA, depending on prime or standby power configuration.
Q2: Is the Perkins 2506C-E15TAG3 suitable for continuous operation?
Yes. It is designed for both prime power and standby power applications and delivers stable performance at 1800 RPM.
Q3: What emission standards does this engine meet?
The Perkins 2506C-E15TAG3 complies with EU Stage II and EPA Tier 2 emission standards.
Q4: Can the Perkins 2506C-E15TAG3 replace the Perkins 2506C-E15TAG2?
Yes. In many generator applications, the Perkins 2506C-E15TAG3 can be used as an alternative to Perkins 2506C-E15TAG2, subject to power rating and generator matching requirements.
Q5: Are spare parts and manuals available for this engine?
Yes. Perkins 2506C E15TAG3 parts manual, technical documentation, and spare parts are widely available through authorized channels and experienced suppliers.
Perkins 2506C-E15TAG3 Diesel Engine For Generator SetConfiguration
Perkins 2506C-E15TAG3 Technical Specifications
| TOTAL POWER RANGE | |
|---|---|
| Gross Mechanical Output | 412–623 kWm |
| Typical Electrical Output | 455–687 kVA (364–550 kWe) |
| Rated Speed | 1500 / 1800 rpm |
| EMISSION STANDARDS | |
| Emissions | EU 97/68/EC Stage II, EPA Tier 2 |
| 50 Hz TYPICAL ELECTRICAL OUTPUT | |
| Prime | 455–500 kVA |
| Standby | 500–550 kVA |
| 60 Hz TYPICAL ELECTRICAL OUTPUT | |
| Prime | 400–468 kWe |
| Standby | 450–550 kWe |
| GENERAL | |
| Number of Cylinders | 6 vertical inline |
| Bore | 137 mm |
| Stroke | 171 mm |
| Displacement | 15.2 L |
| Compression Ratio | 16.0:1 |
| 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 | Yes |
| ELECTROPAK DIMENSIONS | |
| Length | 2657 mm |
| Width | 1120 mm |
| Height | 1718 mm |
| Dry Weight | 1633 kg |
| DISCLAIMER | |
| Note | Final dimensions dependent on selected options |