PUPGEN 4V20 Generator
Overview
The PUP GEN 4V20 gas engine by PowerUP is a highly efficient and reliable 1 MW power solution,
designed for industrial energy applications using biogas or natural gas. This upgraded genset offers
improved performance, extended service life, and reduced emissions, making it ideal for customers
seeking long-term value and dependable operation.
Key Features
Electrical Output: 1,006 kW
Electrical Efficiency: 41.6%
Fuel Type: Natural Gas / Biogas
Frequency: 50 Hz
Voltage: 400 V
NOx Emissions: < 500 mg/Nm³ (5% On) | < 190 mg/Nm³ (15% On)
Control System: Diane XT4
Engine Type: Refurbished J320 Gas Engine
Engine Technical Data
Configuration: V-type, 70°
Cylinders: 20
Displacement: 48.67 L
Speed: 1,500 rpm
Bore x Stroke: 135 mm x 170 mm
Fuel Consumption: 254 Nm³/h (LHV 9.5 kWh/Nm³)
Dimensions: L 5,700 mm x W 1,700 mm x H 2,300 mm
Weight (filled): 14,400 kg
Efficiency & Emissions
Specific Fuel Consumption: 2.34 kWh/kWh
Lube Oil Consumption: 0.30 g/kWh
Exhaust Temperature (full load): ~412°C
Exhaust Volume: ~4,250 Nm³/h (wet)
Generator
Manufacturer: STAMFORD
Type: PE 734 E
Rated Output: 1,248 kVA
Power Factor: 0.8
Efficiency: Up to 97.3%
Speed: 1,500 rpm
Upgrade Options – Series 3 Enhancements
1. EVE3 Cylinder Heads
– 4-valve design, higher efficiency, up to 2.5% improvement
– Homogeneous combustion and reduced NOx (as low as 250 mg/m³)
2. Premium Spark Plugs
– Maintenance-free, no re-gapping needed
– Available for biogas and natural gas applications
3. High Strength Pistons
– Brass sleeve piston pin bore for enhanced reliability
– Tailored compression ratios available upon request
Scope of Supply
Refurbished J320 Engine Block
New Alternator, Control System & Accessories
Gas Train
Technical Documentation