Perkins 2806A-E18TTAG4 ElectropaK Engine – 706–888 kVA

The Perkins 2806A-E18TTAG4 is an 18.1-litre ElectropaK engine for generator sets that require more output than the lower-rated 2806A TAG platforms without moving to a different engine family. Its six-cylinder industrial core, parallel twin-turbo arrangement and air-to-air charge cooling support ratings from 706 to 888 kVA across separate 50 Hz and 60 Hz configurations.

This is a Fuel Optimised, non-emissions-regulated engine. It should be specified for projects where local emissions rules permit this configuration. Buyers working in regulated markets should select an appropriate emissions-certified engine rather than treating the 2806A-E18TTAG4 as a universal 2800 Series option.

Where the 2806A-E18TTAG4 Fits

The engine occupies the upper part of the Perkins generator-drive engine range. Its practical selection point is not simply “up to 888 kVA”; the required frequency, duty rating, alternator efficiency, control architecture and site conditions determine which version is suitable.

1500 rpm and 1800 rpm Output Ratings

The 1500 rpm and 1800 rpm versions are separate factory configurations. They have different calibrations, output levels and fuel-consumption figures and should not be treated as one engine with a field-adjustable speed setting.

What the Rating Difference Means

For a 50 Hz project, the 1500 rpm configuration provides 706 kVA prime and 780 kVA standby. For a 60 Hz project, the 1800 rpm configuration provides 802 kVA prime and 888 kVA standby. The higher 60 Hz rating does not mean that an existing 50 Hz installation can be converted by changing only the governed speed.

At 100% prime load, the stated fuel-consumption figures are 195 g/kWh at 1500 rpm and 206 g/kWh at 1800 rpm. This comparison should be considered together with the actual load profile, alternator efficiency, cooling performance and annual operating hours rather than used as a stand-alone fuel-cost estimate.

Mechanical and Installation Data

The TTAG4 package is physically larger and heavier than the lower-output TAG configurations. Enclosure dimensions, radiator capacity, lifting arrangements, foundation loading and maintenance access should therefore be checked before approving it as a replacement engine.

Generator-Set Integration Checks

Before this engine is approved for a new genset or replacement project, the engine data should be reviewed with the alternator and control-system specifications. Matching only the published kVA range does not confirm mechanical or electrical integration.

Frequency and Alternator Matching

• Confirm 1500 rpm / 50 Hz or 1800 rpm / 60 Hz before selecting the engine build.
• Check the alternator efficiency used to convert net engine power into the published generator rating.
• Confirm rated voltage, power factor and prime or standby duty with the genset manufacturer.
• Review coupling, flywheel housing and mounting requirements for replacement projects.

Governor and Control-System Requirements

The supplied information identifies governing to ISO 8528-5 Class G2 with isochronous capability. The generator controller, actuator logic, synchronization system and load-sharing equipment must still be checked for the final genset configuration.

A single customer-interface wiring harness is not integrated into the standard engine package. The standard connection terminates at the engine ECM, so the genset builder must define the required interface harness, signals, connectors and control-panel integration.

Parallel Generator Operation

Generator sets using this engine can be operated in parallel when the complete units have compatible controllers, synchronization equipment, protection settings and load-sharing functions. Engine model compatibility alone does not establish that two generator sets can be paralleled safely.

Build List JGEF8099 and JGE8099

The Build List is the primary identifier for the engine specification. JGEF8099 is the original Perkins designation assigned in 2009, while JGE8099 is the later shortened designation used for subsequent production batches.

Both designations refer to the same stated engine specification, and the supplied information identifies parts compatibility as the same across the two production designations. The complete ESN should nevertheless be supplied because individual component references can depend on the engine’s exact build record.

Information Required from the Nameplate

• Complete engine model: 2806A-E18TTAG4
• Build List: JGEF8099 or JGE8099
• Complete Engine Serial Number (ESN)
• Rated speed: 1500 rpm or 1800 rpm
• Generator frequency: 50 Hz or 60 Hz

The nameplate is normally mounted on the rocker cover or cylinder block area. A clear photograph of the complete plate is preferable to manually transcribing only part of the ESN.

Position Within the E18TTAG Range

TTAG4, TTAG5 and the emissions-regulated C-series TTAG7 share the broader 2806 platform but serve different output and regulatory requirements. They should be compared as separate engine builds rather than interchangeable marketing names.

The comparison table is an initial range guide only. Final replacement approval still requires the original Build List, ESN, alternator data, cooling package, wiring interface and applicable emissions requirement.

Replacement Parts for JGE/JGEF8099

The following original Perkins references are listed for the 2806A-E18TTAG4 Build List family. Additional Perkins engine parts may be reviewed by component category, but no internal part should be released solely from the engine model name.

Why ESN Verification Matters for Parts

The listed references cover common valve-train, rotating-group, fuel-system, lubrication and cooling components. Pistons, injectors, bearings and related internal parts can vary by Build List or production record. Provide JGEF8099 / JGE8099 and the complete ESN before confirming the final part number and quantity.

Lubrication, Fuel and Service Baseline

The stated standard oil-service interval is 500 operating hours under normal conditions. Oil analysis, fuel quality, ambient temperature, dust exposure, load severity and operating pattern may require the interval to be adjusted.

Procurement and Export Release

Availability should be confirmed at the inquiry stage. The stated lead time is typically 3–4 weeks, and formal quotations are issued within 24 hours after the configuration, quantity and delivery requirements have been received.

Warranty and Claim Requirements

The stated warranty period is 12 months or the manufacturer-specified operating hours from the commissioning date, whichever occurs first.

Conditions Outside Warranty Coverage

• Incorrect installation or improper commissioning
• Failure to follow the Perkins Operation and Maintenance Manual for JGE/JGEF8099
• Normal consumption of filters, belts, coolant and lubricants
• Damage caused by contaminated fuel or an incorrect lubricant specification
• Cooling-system neglect
• Modifications or repairs performed by non-authorised personnel during the warranty period
• Transit damage not reported within three working days of delivery

Information Required for a Warranty Review

• Complete ESN and Build List
• Current operating hours
• Description of the symptoms and operating conditions
• Fault codes when available
• Photographs of the affected area
• Maintenance and commissioning information relevant to the fault

The stated technical-review time is within two business days after the supporting information has been received. Depending on the assessment, the proposed resolution may involve replacement parts, coordinated repair support or an engine exchange. The resolution path is confirmed in writing before action is taken.

Transit Damage

Inspect the shipment before signing the delivery receipt. Photograph visible damage before unpacking, record the damage on the receipt and report it within three working days. Do not commission a visibly damaged engine before the transport-damage report has been completed.

Perkins 2806A-E18TTAG4 FAQ

Is the 1500 rpm version the same engine as the 1800 rpm version?

They belong to the same model and Build List family but are separate factory-rated configurations. The rated speed, frequency, output, fuel consumption and control calibration must be confirmed before ordering.

Can the 2806A-E18TTAG4 be used in an emissions-regulated market?

The “A” designation identifies a Fuel Optimised, non-emissions-regulated build. The buyer must confirm whether this configuration is permitted at the destination before purchase.

What is the standard oil-change interval?

The stated standard interval is 500 operating hours under normal conditions. Oil analysis and application severity may justify a different interval.

Can generator sets using this engine operate in parallel?

Parallel operation is possible when the complete generator sets use compatible controllers, synchronization equipment, protection settings and load-sharing systems. The engine model alone does not confirm parallel compatibility.

Is an integrated customer-interface harness included?

No. The standard engine configuration provides connector wiring to the ECM only. The genset builder must define the interface harness and control-panel connections.

What must be provided when ordering replacement parts?

Provide the full engine model, Build List JGEF8099 or JGE8099 and the complete ESN. A clear photograph of the engine nameplate is recommended for checking Build-List-specific components.

Request a TTAG4 Configuration Review

Submit the following information through the engine inquiry and quotation page:

• Build List: JGEF8099 or JGE8099
• Complete ESN or a clear nameplate photograph
• Required rated speed: 1500 rpm or 1800 rpm
• Required frequency: 50 Hz or 60 Hz
• Prime or standby operating requirement
• Generator-set manufacturer and model for replacement projects
• Required quantity, delivery terms and destination port
• Required export and test documentation