Series Overview#
The Blue Star Volvo Penta Diesel Mobile series covers 100 kW to 600 kW standby output in trailer-mounted configurations — all eight models carrying EPA Tier 4 Final and EU Stage 5 dual certification. The MP suffix in each model name identifies the mobile platform; these units share their Volvo Penta engine families with the stationary VD standby series but are packaged on aluminum road trailers for towing and rapid field deployment.
The engine lineup follows the same progression as the stationary series: the Volvo Penta TAD581VE and TAD582VE 5.13-liter four-cylinder for the VD100 and VD125 models; the TAD881VE 7.7-liter six-cylinder for the VD150; the TAD1180VE 10.8-liter for the VD200; the TAD1381VE and TAD1383VE 12.8-liter six-cylinder for the VD250 and VD300; and the TWD1682GE and TWD1683GE 16.12-liter six-cylinder for the VD550 and VD600. All Tier 4 Final engines use SCR/DPF/DOC triple aftertreatment, and all except the VD100-04FT4MP require DEF fluid.
Blue Star Power Systems (North Mankato, Minnesota; DEUTZ AG subsidiary since 2024) mounts each unit on an aluminum trailer with integral fuel storage and installs the DSE DCP7310 controller across the lineup. The aluminum trailer construction reduces tare weight compared to steel alternatives — relevant when the towing vehicle has payload restrictions. Available voltages are 120/208V, 120/240V, and 277/480V across most models; 347/600V and 4160V are not available in the mobile lineup.
How to Choose#
VD100-04FT4MP and VD125-04FT4MP (100–125 kW): Both share the 230.5 × 90 in trailer platform and the Volvo Penta 5.13-liter four-cylinder engine (TAD581VE and TAD582VE respectively). The VD125 adds 100 lbs and produces 25 additional kW from the same footprint — choose based on whether the load study requires 100 or 125 kW. Importantly, the VD100 is the only model in the series without a DEF requirement; if DEF logistics are a constraint for a specific deployment, the VD100 is the ceiling for DEF-free operation.
VD150-04FT4MP (150 kW): The largest model on the 230.5 × 90 in trailer platform. Steps up to the TAD881VE 7.7-liter six-cylinder. Choose when 125 kW is marginal and the 230.5 × 90 in trailer must remain the platform (tow vehicle or site access constraint).
VD200-04FT4MP (200 kW): Moves to the 260 × 92 in trailer platform and the TAD1180VE 10.8-liter six-cylinder — the entry model on the mid-size trailer. Appropriate when the load study requires 200 kW and the larger trailer can be accommodated.
VD250-04FT4MP and VD300-04FT4MP (250–300 kW): Both share the 260 × 92 in trailer and the 12.8-liter Volvo Penta block (TAD1381VE and TAD1383VE respectively). Footprint-compatible; choose the model that meets the load study without excess capacity.
VD550-04FT4MP and VD600-04FT4MP (550–600 kW): The largest units in the mobile lineup, mounted on the 334.5 × 99.5 in trailer using the TWD1682GE and TWD1683GE 16.12-liter six-cylinder engines. A significant size and weight step from the 260 × 92 in platform. The VD550 produces 550 kWe standby / 500 kWe prime; the VD600 produces 600 kWe standby / 570 kWe prime from the higher-calibration engine variant. Note: only 208V and 480V three-phase configurations are offered at this power class.
Common Applications#
- Construction sites: All eight models are rated for construction use. The choice of unit depends on which site electrical loads need coverage — temporary distribution, tower crane feeds, and site office power drive the kW requirement. The Tier 4 Final engines meet current EPA non-road emissions requirements for sites with air quality restrictions.
- Temporary power and disaster recovery: Municipal utilities, contractors, and rental fleets deploy these units for planned outages, storm recovery, and emergency replacement of failed permanent generators. The integral fuel tanks and road-legal trailers allow rapid repositioning.
- Pump stations and municipal water infrastructure: Trailer-mounted generators in this kW range are standard for emergency backup at lift stations and booster pump stations that lack a permanent generator. The VD200–VD300 range addresses most municipal pump station loads.
- Telecom network resilience: Temporary backup for cell tower clusters, central offices, and network nodes during planned maintenance or emergency conditions. The smaller trailer classes (VD100–VD150) are frequently used for individual tower sites.
- Healthcare contingency power: The five models (VD100–VD300) rated for healthcare applications provide contingency backup for hospital receiving areas, outpatient facilities, and medical office buildings during planned or emergency main generator outage.
Service & Maintenance#
The complete mobile series service schedule is: oil changes at 500 hours or 12 months, fuel filter replacement at 500 hours, air filter inspection at 1,000 hours, and coolant changes at 6,000 hours.
DEF system maintenance is the most critical differentiator versus diesel standby units. All eight models document DEF system (SCR catalyst) failure as a risk — derate warnings, NOx faults, and DEF quality alerts at approximately 4,380 hours. For mobile units in extended deployment: verify DEF quality meets ISO 22241 at the point of filling, inspect DEF hoses and tank fittings at every refueling stop for leaks, and follow Volvo Penta's DEF filter replacement schedule. A DEF quality fault in the field can trigger an automatic engine derate that drops available output below the site load requirement.
Fuel quality contamination is a moderate-severity risk across six models — particularly relevant for mobile units that may be stored for months between deployments. Drain and replace tank fuel that has been sitting for more than six months; add biocide before storage. Fuel-related injector fouling and filter clogging are the primary presentations.
Battery condition should be checked at the start of each deployment. Mobile generators that sit in storage between events are subject to battery self-discharge. Maintain a trickle charger on stored units and replace batteries on a 2–3 year schedule.
Trailer inspection is a maintenance requirement beyond the generator itself: wheel bearings, brake systems, running lights, and trailer hitch wear should be inspected before each tow movement and at each annual service interval. These are road-legal trailers subject to DOT inspection requirements in most states.
