Haifeng Machinery

Cummins VTA28G5 vs Volvo Penta TWD1682GE

The Cummins VTA28G5 and Volvo Penta TWD1682GE are both diesel generator engines in a similar power class. Both are rated at roughly 700 kVA. Displacement is 28 L versus 16.1 L. The table below compares their full specifications side by side.

SpecificationCummins VTA28G5Volvo Penta TWD1682GE
Headline rating700 kVA699 kVA
Standby (50 Hz)560 kWe
Prime (50 Hz)509 kWe
Standby (60 Hz)600 kWe559 kWe
Prime (60 Hz)547 kWe508 kWe
Displacement28 L16.1 L
ConfigurationV12L6
Cylinders126
Rated speed1,500 / 1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Final Tier 4
Dry weight
OriginIndiaSweden

Choosing between Cummins VTA28G5 and Volvo Penta TWD1682GE

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 Cummins VTA28G5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.