Caterpillar 3508 Diesel Generator
The Caterpillar 3508 Diesel Generator is a powerhouse of the 3500 Series, widely regarded as the benchmark for heavy-duty industrial power. Designed originally for the demanding oil and gas sector, this V-8 engine generator set offers exceptional durability and longevity, making it the preferred choice for remote sites, large construction projects, and mission-critical backup power.
At its core is the massive 34.5L Cat® 3508 engine, a low-speed, high-torque unit that reduces wear and extends service intervals. Unlike lighter high-speed generators, the 3508 is built to handle heavy block loads and continuous operation without overheating or faltering. Its mechanical ruggedness is paired with Caterpillar’s advanced ADEM control systems (on newer models) for precise electronic monitoring and fuel efficiency.
Key Features & Benefits:
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Heavy-Duty Performance: Proven V-8, 4-stroke diesel engine designed for continuous heavy loads (drilling rigs, rock crushers, large pumps).
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Superior Transient Response: Capable of accepting 100% rated load in a single step, ensuring critical equipment stays online during grid failures.
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Fuel Efficiency: Optimized fuel system reduces operating costs (OPEX) while maintaining high power output.
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Robust Cooling: High-capacity radiator systems designed for operation in high ambient temperatures (up to 50°C).
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Durability: Cast engine block and hardened components ensure a long lifecycle, often exceeding 20,000 hours before major overhaul.
Ideal Applications:
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Oil & Gas: Powering drilling rigs and remote production camps.
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Mining & Stone Crushing: handling the high starting currents of large motors and crushers.
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Industrial Manufacturing: Base load power for factories with sensitive heavy machinery.
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Marine & Ports: Auxiliary power for ships and dockside operations.
Technical Specifications
| Feature | Specification |
| Engine Model | Caterpillar 3508 / 3508B (V-8, 4-Stroke Diesel) |
| Prime Power Rating | ~910 kVA (728 kW) @ 1500 RPM (50 Hz) |
| Standby Power Rating | ~1000 kVA – 1250 kVA (Depending on Config) |
| Displacement | 34.5 Liters (2,105 in³) |
| Bore / Stroke | 170 mm / 190 mm |
| Aspiration | Turbocharged / Aftercooled |
| Fuel Consumption | Approx. 205 – 215 L/hr @ 100% Load |
| Cooling System | Water Cooled (Standard Radiator or Heat Exchanger) |
| Dimensions (L x W x H) | Approx. 4.9m x 2.3m x 2.5m (Open Set) |
| Weight (Dry) | ~10,200 kg (Genset) |
| Frequency | 50 Hz or 60 Hz (Configurable) |



















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