SC25G690D2 Ultra Heavy Diesel Generator | SDEC 450–505kW 12-Cylinder 25.8L Industrial High-Power System

1. Engine Architecture & Mechanical Strength

• Engine model: SDEC SC25G690D2 inline 12-cylinder diesel engine

• Displacement: 25.8 liters ultra-heavy industrial platform

• Rated power: 459 kW prime / 505 kW standby output class

• V-type 12-cylinder configuration for maximum torque stability

• Bore × stroke: 135 mm × 150 mm

• Compression ratio: 16:1 high-efficiency combustion design

• Turbocharged + air-to-air intercooler system improves intake efficiency

• Electronic governor ensures precise speed control under variable loads

• Wet-liner cylinder structure improves durability and overhaul life

• 1500 RPM constant-speed design optimized for 50Hz generator output

⚡ 2. Electrical Output System (High-Capacity Class)

• Generator capacity range: 500–550 kVA industrial heavy-duty class

• Standard output: 400V / 3-phase / 50Hz

• AVR system ensures stable voltage regulation under load variation

• Strong overload capacity supports large motor starting demands

• Low harmonic distortion ensures clean industrial-grade power

• ATS-compatible for automatic backup switching systems

⛽ 3. Fuel Consumption & Efficiency Behavior

• Fuel consumption (reference values):

  • ~30–35 L/H at 25% load

  • ~55–70 L/H at medium load (industry range)

  • ~110 L/H at full load (approx. reference)

• High-displacement engine optimized for stable heavy-load efficiency

• Designed for continuous 24/7 industrial operation

• Maintains stable combustion under fluctuating load conditions

• Suitable for off-grid and critical infrastructure backup systems

4. Structural & Frame Design

• Heavy-duty open-frame steel skid base structure

• Reinforced anti-vibration system improves mechanical stability

• Large 12-cylinder layout optimized for power density

• Modular installation design for industrial integration

• Easy-access structure for maintenance and overhaul

• Compatible with silent canopy or containerized systems

❄️ 5. Cooling & Durability Engineering

• Water-cooled forced circulation system ensures thermal stability

• High-capacity radiator supports high ambient temperature operation

• Reinforced engine block improves long-term structural strength

• Multi-protection system prevents overheating and shutdown failure

• Designed for extreme industrial environments and continuous operation

6. Application Scenarios (Ultra Heavy Duty Use Cases)

• Large-scale industrial manufacturing plants

• Mining and metallurgy operations

• Ports, logistics hubs, and heavy infrastructure

• Data centers and mission-critical facilities

• Oil & gas production sites

• National grid emergency backup systems