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The Perkins 2800 Series is a family of well-proven 6 cylinder, 18 litre in-line diesel engines, designed to address today’s uncompromising demands within the power generation industry with particular aim at the standby market sector. Developed from a proven heavy-duty industrial base, the engine offers superior performance and reliability. The 2806A-E18TTAG is a series turbocharged and air-to-air charge cooled, 6 cylinder diesel engine of 18 litres capacity.

Its premium features provide economic and durable operation, low gaseous emissions and advanced overall performance and reliability.


18.1 litre

700-850 kVA 1500 rpm; 826-943 kVA 1800 rpm generator output


Power Rating

Mechanical Output 623-739 kWm 623-739 kWm Less
Electrical Output 700-943 kVA (560-754 kWe) 700-943 kVA (560-754 kWe) Less
Rated Speed 1500/1800 rpm 1500/1800 rpm Less

Emission Standards

Emissions Unregulated Unregulated Less


Bore 5.71 in 145.0 mm Less
Stroke 7.2 in 183.0 mm Less
Displacement 1104.53 in³ 18.1 l Less
Aspiration Series turbocharged and air-to-air charge cooled Series turbocharged and air-to-air charge cooled Less
Rotation from Flywheel End Anti-clockwise Anti-clockwise Less
Cycle 4 stroke 4 stroke Less
Cooling System Liquid Liquid Less
Total Lubricating Capacity 18.0 gal (US) 68.0 l Less
Number of Cylinders 6 vertical inline 6 vertical inline Less
Total Coolant Capacity 29.1 gal (US) 110.0 l Less
Combustion System Direct injection Direct injection Less
Compression Ratio 14:1 14:1 Less

Engine Dimensions*

Length 100.0 in 2538.0 mm Less
Dry Weight 5205.0 lb 2361.0 kg Less
Height 84.0 in 2126.0 mm Less
Width 67.0 in 1691.0 mm Less


Note 1 Final dimensions dependent on selected options Final dimensions dependent on selected options Less

Economic power

•    Mechanically operated unit fuel injectors with electronic control combined with carefully matched turbocharging give excellent fuel atomisation and combustion with optimum economy


•    Low emissions result from electronic control of fuel injected

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 ratios also ensure clean rapid starting in all conditions


•    Perkins global product support is designed to enhance the customer experience of owning a Perkins powered machine. We deliver this through the quality of our distribution network, extensive global coverage and a range of Perkins supported OEM partnership options. So whether you are an end-user or an equipment manufacturer our engine expertise is essential to your success

Compact, clean and efficient power

•    Exceptional power to weight ratio and compact size give optimum power density with easier installation and cost effective transportation


•    Designed to provide excellent service access for ease of maintenance


•    The availability of a low emissions specification allows minimum environmental impact through operation, and complies with US EPA emissions legislation. The standard specification model provides superior fuel consumption which maximises engine efficiency

2806A-E18TTAG Standard Equipment

Air inlet system
  • Mounted air filter

Cooling system
  • Gear driven circulating pump
  • Low coolant level switch
  • Mounted belt driven pusher 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 50 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 1 flywheel housing

Fuel system
  • Fuel cooler
  • Governing to ISO 8528-5 class G2 with isochronous capability
  • Mechanically actuated electronically controlled unit fuel injectors with full authority electronic control
  • Replaceable fuel filter elements with primary filter/water separator

  • Front engine mounting bracket

Oil system
  • Full flow replaceable filter
  • Oil cooler integral with filter header
  • Wet sump with filler and dipstick