
Pramac GDW780V/FS2 | 622kW Diesel Generator | Three-Phase | Volvo Engine
SKU: BC711TWA001
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Pramac GDW780V/FS2 | 621.9kW Diesel Generator | Three-Phase | Volvo Engine
The Pramac GDW780V/FS2 is a high-capacity industrial diesel generating set engineered for applications requiring dependable three-phase power.
At the heart of the generator is the Volvo TWD1645GE, a 16.1-litre six-cylinder turbocharged and intercooled diesel engine operating at 1500rpm. The engine features electronic speed governing, water cooling and a 24V electric starting system.
The generator delivers 777.4kVA / 621.9kW Emergency Standby Power and 707.3kVA / 565.8kW Prime Power, making it suitable for emergency backup installations as well as extended operation under variable electrical loads.
An optional Data Centre Power configuration is also available, providing 707.3kVA / 565.8kW DCP output for suitable data centre applications.
Volvo Industrial Diesel Engine
The Volvo TWD1645GE combines substantial displacement with high mechanical output and proven industrial durability.
Key engine characteristics include:
- 16,120cm³ / 16.1-litre displacement
- Six cylinders in-line
- Turbocharged and intercooled aspiration
- Electronic speed governor
- Water-cooled design
- Stage II emissions level
- 24V electric starting system
- 48-litre oil capacity
- 75-litre coolant capacity
The engine develops up to 675kWm gross mechanical power in ESP operation and 616kWm in PRP and DCP operation.
Mecc Alte Alternator
Electrical generation is handled by the Mecc Alte ECO40 VL4 C brushless alternator.
The alternator provides an 825kVA standby rating at 27°C and a 750kVA continuous nominal rating at 40°C.
It offers approximately 95.1% efficiency at full load, Class H insulation, IP23 protection and approximately ±0.5% voltage tolerance.
Fuel Consumption & Runtime
Fuel consumption is approximately:
108.80 litres per hour at 75% Prime Power
140.06 litres per hour at 100% Prime Power
A range of optional fuel tanks is available, from 500 litres up to 4,500 litres.
Approximate runtime at 75% PRP ranges from 4.60 hours with the 500-litre tank up to 41.36 hours with the 4,500-litre tank.
Automatic Mains Failure Control
The optional ACP Automatic Control Panel provides Auto Mains Failure functionality for standby power installations.
The system includes full generator monitoring and protection, detailed event and performance logging, remote-control capability and optional I/O expansion modules.
Parallel Generator Operation
For larger installations, the optional MPP Modular Parallel Panel enables the GDW780V/FS2 to operate in parallel with other generating sets.
Up to 32 generator sets can be configured for parallel operation, making this model suitable for large industrial installations, load sharing, redundancy and critical infrastructure applications.
Open & Canopy Versions
The GDW780V/FS2 is available in open-frame and weatherproof canopy configurations.
The canopy version uses galvanized sheet-metal construction, high-quality soundproofing material and a residential silencer to provide environmental protection while reducing operating noise.
Standard canopy noise levels are approximately:
- 105 dB(A) guaranteed sound power
- 85 dB(A) sound pressure at 1 metre
- 75 dB(A) sound pressure at 7 metres
An Extra Silent enclosure option is also listed for installations where further noise reduction is required.
Typical Applications
The Pramac GDW780V/FS2 is suitable for industrial facilities, manufacturing plants, warehouses, large commercial buildings, construction and infrastructure projects, data centres, utilities, emergency standby systems and prime power installations.
With its combination of Volvo engine technology, Mecc Alte alternator performance and 621.9kW standby output, the GDW780V/FS2 provides a powerful and dependable solution for demanding high-capacity three-phase power requirements.
Delivery & Returns
Fast UK delivery
Express delivery on mainland UK orders placed before 1pm (working days). Scottish Highlands, islands and offshore destinations may take a little longer — call 0800 222 9069 for a quote.
Easy 30-day returns
Not right for the job? Return unused items in their original condition and packaging within 30 days for a refund or exchange. See our Returns & Refunds policy for full details.
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