Blue Star Power Systems · Volvo Penta Diesel Standby

Blue Star VD500-01

500 kW standby · Diesel · Liquid-cooled

500 kW Tier 2 diesel standby generator from Blue Star Power Systems. Volvo Penta TAD1641GE-B 16.1L inline-six with DSE DCP7310 controller, 208-600V output.

Blue Star Power Systems Blue Star VD500-01 generator — specifications and details
Standby power
500 kW
Voltage options
120/208V, 120/240V, 277/480V, 347/600V
Frequency / Phase
60 Hz · 1/3-phase
Engine
Volvo Penta TAD1641GE-B · 16.1L
EPA / Emissions
Tier 2
Alternator
Stamford HCI534D
CommercialHealthcareHospitalityGovernmentManufacturingdata-center-edgeData Centers
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Overview#

The Blue Star VD500-01 is a 500-kilowatt EPA Tier 2 diesel standby generator built around the Volvo Penta TAD1641GE-B — the mid-range variant of the updated TAD1640/1641/1642GE-B engine family. This is a current-production active model.

The TAD1641GE-B is a different 16.1L design from the TAD1650GE used in the VD450-01, featuring EMS 2.4 electronic management, dual-frequency switching, and camshaft dampers for reduced noise and vibration.

The Volvo Penta TAD1641GE-B platform#

The TAD1641GE-B is the mid-range variant of the updated 16.1L engine family:

  • 16.1L inline-six — same displacement as the TAD1650GE (VD450-01) but a different engine design with bore of 5.67 in and stroke of 6.50 in
  • 16.8:1 compression ratio — slightly higher than the TAD1650GE's 16.5:1
  • 768 HP (573 kWm gross) — substantially more powerful than the TAD1650GE (677 HP), with the genset conservatively rated at 500 kWe
  • 6,562 ft altitude ceiling — the best in Blue Star's 16.1L lineup, suitable for virtually any North American installation
  • Dual-frequency switching — 1500/1800 RPM via EMS 2.4 electronic management
  • EPA Tier 2 / EU Stage 2 — meets stationary emergency standby requirements in most US jurisdictions

Variant selection guide#

The VD500-01 sits between the VD450-01 and VD550-01:

  • VD450-01 (450 kW, Volvo TAD1650GE 16.1L) — 50 kW less, EPA Tier 3 certified, but lower altitude ceiling (3,280 ft). Choose this if Tier 3 is required or 450 kW meets the load study.
  • VD550-01 (550 kW, Volvo TAD1642GE-B 16.1L) — same engine family at a higher rating, same physical footprint. Choose this if the load study shows peak demand between 500-550 kW.
  • VD600-03 (600 kW, Volvo Penta) — next major step up for sites needing more than 550 kW.

When to spec the VD500-01#

  • 400-500 kW continuous emergency standby loads on diesel fuel
  • Sites at any elevation up to 6,562 ft — ideal for mountain and high-altitude installations
  • Large commercial and industrial facilities: hospitals, data centers, manufacturing plants, campus power
  • Applications where EPA Tier 2 is permitted for stationary emergency standby

Our service experience#

The TAD1641GE-B shares oil and coolant capacities (12.7 gal oil, 15.9 gal coolant) with the other 16.1L models, and the EMS 2.4 electronic management system provides the same CAN J1939 diagnostic interface. The self de-aerating fuel system is a notable service advantage — when replacing fuel filters, all fuel stays in the engine, eliminating the need for manual priming. The 94 dBA open-skid sound level almost always requires an enclosed installation for commercial sites. The DSE DCP7310 controller and Stamford HCI534 alternator maintain parts commonality with the rest of the Blue Star lineup.#

Engineering specifications

Physical

Length
140 in
Width
72 in
Height
98 in
Dry weight
9,875 lb

Acoustic

Sound @ 7m, full load
94 dBA
Enclosure
Open

Fuel system & runtime

Fuel use @ full load
33.9 GPH
Fuel use @ 75% load
25.5 GPH
Fuel use @ 50% load
17.2 GPH

Thermal & ventilation

Heat to coolant
788,220 BTU/hr
Heat radiated
588,900 BTU/hr
Exhaust flow
3,899 CFM
Exhaust temp
876 °F
Combustion air
1,617 CFM

Documents & downloads

Spec sheets & manuals

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Estimate runtime for the Blue Star VD500-01

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

Estimate runtime on this tank

Estimated runtime

7.6 hours(0.3 days)

Fuel consumption ≈ 26.15 GPH at 75% load. Estimate based on industry-typical 1800 RPM standby curves (≈0.07 GPH/kW at full load). Actual consumption varies by engine, ambient temperature, fuel quality, and tuning.

Service intervals

Manufacturer-recommended intervals for the Blue Star VD500-01 under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter
Every 500 hours or 12 months
Coolant change
Every 6000 hours
Air filter
Every 1000 hours
Fuel filter
Every 500 hours
Major overhaul
≈ 20,000 hours
Load bank test
Every 12 months

Common failure modes

What we've seen fail on this platform. Use as a service-planning reference, not a diagnostic — actual failure modes depend heavily on duty cycle and maintenance history.

ComponentSymptomTypical hoursSeverity
Turbocharger(s)Major power loss, heavy exhaust smoke12,000+severe
Fuel quality / degradationInjector fouling, hard starting4,380+moderate
Battery bank (24V)Failed start, slow cranking8,760+minor

Frequently Asked Questions

What engine is in the VD500-01?
The Volvo Penta TAD1641GE-B — a 16.1-liter inline-six turbocharged-aftercooled diesel rated 768 HP (573 kWm) at 1800 RPM. The '-B' suffix denotes the updated variant of the TAD1640/1641/1642GE engine family, featuring Volvo Penta EMS 2.4 electronic management, dual-frequency switching (1500/1800 RPM), and RoHS2 compliance. EPA Tier 2 certified for stationary emergency standby.
Why is the VD500-01 EPA Tier 2 instead of Tier 3?
The TAD1641GE-B engine family (used in the VD500 and VD550) complies with EU Stage 2 / EPA Tier 2, while the TAD1650GE (VD450) and TAD1351-1353GE (VD300-400) are Tier 3 certified. For stationary emergency standby applications (the primary use case for these generators), both Tier 2 and Tier 3 engines are permitted in most US jurisdictions. Consult local air quality regulations for specific permitting requirements.
How does the VD500-01 compare to the VD450-01?
Both are 16.1L Volvo Penta inline-six engines but from different design families. The VD500-01 uses the TAD1641GE-B (768 HP, Tier 2) while the VD450-01 uses the TAD1650GE (677 HP, Tier 3). The VD500-01 is taller (98 vs 93 in) and heavier (9,875 vs 9,250 lbs). The VD500-01 has a superior altitude rating of 6,562 ft (2,000 m) versus 3,280 ft for the VD450-01.
What is the altitude deration for the VD500-01?
Rated power is available up to 6,562 ft (2,000 m) at ambient temperatures to 122F (50C). This is an excellent altitude ceiling — suitable for virtually any job site in the western United States, including mountain installations.

Compatible equipment

Transfer switches

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