The Generator EngineEncyclopedia

Perkins 2806A-E18TTAG6 vs VMAN D22.2

The Perkins 2806A-E18TTAG6 and VMAN D22.2 are both diesel generator engines in a similar power class. Both are rated at roughly 892 kVA. Displacement is 18 L versus 21.927 L. The table below compares their full specifications side by side.

SpecificationPerkins 2806A-E18TTAG6VMAN D22.2
Headline rating895 kVA889 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)716 kWe711 kWe
Prime (60 Hz)650 kWe646 kWe
Displacement18 L21.927 L
ConfigurationL6V12
Cylinders612
Rated speed1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginUnited KingdomChina

Choosing between Perkins 2806A-E18TTAG6 and VMAN D22.2

Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Perkins 2806A-E18TTAG6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.