QSB4.5 Water Pump Engine
4.5L inline 4-cylinder electronic water pump engine, delivering a stable 185kW at 3000rpm. Ideal for high-speed water pump sets with strong power, fast response and high reliability, suitable for fire fighting, industrial circulation and municipal water supply.
Key Advantages
- High-Speed Precision Matching & Fast Power Response
The rated speed of 3000rpm perfectly matches the high-speed operation characteristics of water pumps, ensuring fast transient response and stable power delivery for large-flow water supply and sudden load changes.
- High Fuel Efficiency, Low Operating Cost
The high-pressure common rail system enables precise fuel injection, delivering efficient combustion and low fuel consumption. It maintains excellent fuel efficiency under high-load conditions, significantly reducing long-term operating costs.
- High Reliability & Durability for Continuous Operation
The reinforced cylinder block, piston and cooling system are optimized for high-speed and high-load continuous impact. With long mean time between failures (MTBF) and extended service intervals, it supports 24/7 uninterrupted operation.
- Intelligent Electronic Control for Easy Maintenance
Equipped with the Quantum electronic control system, it monitors speed, load, temperature and other key parameters in real time. It features self-diagnosis and overload protection functions, supporting remote monitoring for convenient operation and maintenance.
- Strong Environmental Adaptability for All Scenarios
It delivers excellent cold-start performance and stable operation across a wide temperature range (-25℃ to 50℃) and high-altitude areas, meeting the water supply demands of complex outdoor, construction, mining and municipal scenarios.
- Global Compliance & Service Guarantee
Complies with China III/Euro III to China V/Euro V emission standards. With globally available spare parts and global service network, it ensures easy maintenance, minimal downtime and low total cost of ownership.
Technical Specifications
- Displacement: 4.5L
- Cylinders: Inline 4
- Aspiration: Turbocharged & Air-to-Air Aftercooled
- Rated Power: 185kW@3000rpm
- Fuel System: High-Pressure Common Rail (HPCR)
- Cooling System: Forced Liquid Cooling (with independent radiator assembly)
- Emissions: China III/Euro III – China V/Euro V
Applications
Quality Assurance & Compliance
Warehouse Storage
FAQ
A: Our core business covers diesel engine development, production, customized modification, maintenance and testing; explosion-proof engine R&D and manufacturing; Cummins spare parts supply, as well as engine overhaul and testing services.
A: Export-standard wooden box packaging
A:The specific delivery time depends on the items and the quantity of your order. We will confirm it with your detailed order.
A. Please provide us with your engine model, required rated power and speed, and application scenario. We will then recommend the most suitable model based on those information.
A: We offer professional engine customization services and can fully tailor the products to your specific requirements, with a variety of options available for pricing, specifications and configurations. The minimum order quantity (MOQ) for customized engines is 1 unit.
A:Yes, every engine is subjected to rigorous and comprehensive performance tests prior to shipment. We also provide clients with detailed test videos and electronic data.
A: EXW, FOB, CFR, CIF，DDU，DDP.
A: T/T, X Transfer, L/C, MoneyGram, PayPal, Cash etc
A:Yes, the warranty period is 6 months, covering main engine components. Consumable parts and failures caused by improper operation are excluded.
