50HZ Weichai WP4.1D80E200 58kW/72.5kVA Diesel Generator Set

Weichai  58kW/72.5kVA Diesel Generator Set 

1. Product Overview

The Weichai WP4.1D80E200 diesel generator set is a robust mid-range power generation unit designed for stable continuous power supply and reliable emergency backup power. Running at standard 50Hz frequency, this unit delivers 58kW prime power (72.5kVA) and 64kW standby power (80kVA), with a controlled full-load fuel consumption of 18.9L/H. Driven by the authentic Weichai WP4.1D80E200 industrial diesel engine and paired with a high-performance brushless self-excited alternator, it features H-grade insulation and IP23 dustproof and waterproof protection. As a high-cost-performance 58kW Weichai diesel generator, it fills the power gap between small household generators and heavy-duty industrial units, serving as a mainstream 72.5kVA industrial diesel generator widely used in factories, construction sites, commercial facilities and rural industrial projects. It is well-recognized by end users and engineering contractors for steady power output, strong load adaptability and durable operational performance.

2. Complete Technical Parameter Table

The table below consolidates official standard parameters and universal industry specifications of the WP4.1D80E200 generator set, covering overall unit performance, engine configuration and alternator core data. It supports model selection, project bidding, equipment inspection and daily operational reference for users and engineers.

3. Core Product Features

The Weichai WP4.1D80E200 diesel generator set inherits the mature industrial manufacturing technology of Weichai WP4.1 series engines, combining high-power output performance, stable power generation and practical low-maintenance design. It solves the common defects of insufficient power reserve, unstable voltage and easy aging of small and medium-sized generator sets on the market, and is a reliable mid-power industrial backup generator for medium-load power demand scenarios.

3.1 Sufficient Power Reserve and Strong Load Impact Resistance

Equipped with a turbocharged and intercooled WP4.1D80E200 diesel engine, the unit has strong power reserve and fast dynamic response. The 58kW continuous prime power fully meets daily medium-load stable power supply, while the 64kW standby power can cope with instantaneous peak load impact during equipment startup. Matched with a brushless self-excited alternator and intelligent AVR voltage stabilization system, the voltage regulation rate is extremely low, ensuring constant voltage and frequency output even under frequent load changes. It effectively protects precision electrical equipment from damage caused by power fluctuation, showing excellent performance in complex industrial power consumption environments.

3.2 High-Grade Insulation and High Safety Protection Performance

The alternator adopts H-grade ultra-high temperature resistant insulation materials, which can withstand long-term high-load and high-temperature operation without insulation aging or breakdown. Compared with conventional B and F-grade insulation generators, it has longer service life and stronger operational stability. The IP23 professional protection structure can effectively block external dust, floating debris and splashing rainwater, adapting to indoor and semi-outdoor working conditions. The brushless excitation design eliminates carbon brush wear and electric spark risks of traditional brushed generators, greatly reducing electrical failure rate and improving overall operation safety, making it suitable for unattended long-term operation.

3.3 Optimized Combustion System and Balanced Fuel Economy

Adopting advanced direct fuel injection technology and professionally calibrated combustion parameters, the WP4.1D80E200 generator set maintains reasonable fuel consumption while ensuring strong power output. The full-load fuel consumption is stably controlled at 18.9L/H, achieving an optimal balance between power performance and energy-saving economy. The turbocharged intercooled structure improves fuel combustion efficiency, reduces fuel waste and exhaust emissions, complies with non-road environmental protection emission standards, and effectively lowers long-term operating fuel costs for enterprises and project users.

3.4 Low Failure Rate and Simple Daily Maintenance

The whole machine adopts high-strength cast iron cylinder block and reinforced structural design, with strong vibration resistance and fatigue resistance, adapting to long-term uninterrupted operation. The brushless alternator cancels vulnerable parts such as carbon brushes and slip rings, eliminating regular replacement and maintenance of wearing parts. Equipped with high-precision fuel filter and oil filter, the unit has strong impurity filtration capacity and extended maintenance cycle. Supported by Weichai’s global after-sales network and sufficient spare parts supply, later maintenance is convenient and efficient, making it a typical low-maintenance 80kVA standby generator.

3.5 Flexible Installation and Strong Scenario Adaptability

With integrated modular layout and compact body structure, the unit occupies small space and supports multiple installation methods including fixed indoor installation and outdoor mobile placement. It can be freely matched with silent boxes, mobile trailers, ATS automatic switching cabinets and remote monitoring systems according to user needs, meeting the personalized power supply requirements of industrial production, engineering construction and commercial emergency scenarios.

4. Main Application Scenarios

With 58kW stable continuous power supply capacity and 64kW emergency overload performance, the Weichai WP4.1D80E200 generator set covers industrial, commercial, engineering, agricultural and public infrastructure fields, and is widely applicable to all medium-load scenarios requiring stable power guarantee and emergency backup power.

4.1 Medium and Small Industrial Factory Power Supply

This unit is very suitable for mechanical processing workshops, hardware factories, packaging production lines, food processing plants and warehousing logistics parks. It can be used as daily main power supply for production equipment or emergency standby power for sudden grid power failure. It ensures continuous and stable operation of production lines, ventilation systems and storage supporting equipment, avoiding production shutdown and economic losses caused by power outages, and is the preferred factory dedicated diesel generator for medium-load industrial scenarios.

4.2 Engineering Construction Field Mobile Power

For remote construction sites, road renovation, water conservancy projects, bridge engineering and field exploration operations without stable municipal power grid coverage, the 72.5kVA Weichai generator can serve as independent main power supply. It provides reliable power for small and medium construction machinery, welding equipment, on-site living power and temporary lighting facilities. Its flexible movement and strong environmental adaptability fully meet the power demand of frequent site transfer in engineering projects.

4.3 Commercial and Civil Emergency Backup Power

It is widely used in medium-sized shopping malls, comprehensive office buildings, hotel clusters, community property supporting facilities and large catering complexes. During peak power consumption periods or municipal grid maintenance and power failure, the unit can start quickly to supply power for building lighting, office equipment, emergency elevators and monitoring systems, ensuring normal commercial operation and stable residential life, and serving as a reliable commercial emergency power generator.

4.4 Agricultural and Rural Industrial Power Guarantee

The unit adapts to large-scale rural breeding bases, agricultural product deep-processing workshops, centralized farmland irrigation projects and rural industrial parks. It effectively solves the problems of unstable rural grid voltage, insufficient power supply capacity and frequent power outages, provides stable power support for agricultural industrialization production and rural daily life, and is a practical rural industrial dedicated generator set.

4.5 Public Infrastructure Emergency Power Supply

It can be used for backup power of township communication base stations, community medical clinics, fire emergency facilities, environmental monitoring equipment and smart community systems. Its stable power output and high operational safety can meet the long-term uninterrupted power demand of key public infrastructure, ensuring the safe and stable operation of public service equipment.

5. Core Product Purpose

The core purpose of the Weichai WP4.1D80E200 58kW/72.5kVA diesel generator set is to provide efficient and stable medium-load power supply solutions for industrial, commercial and engineering users. Its 58kW prime power is designed for long-term 24-hour continuous stable operation, mainly used for replacing municipal power supply in areas with insufficient grid power, unstable voltage or no grid coverage, and meeting the daily continuous power consumption of medium-load production and living equipment.

The 64kW standby overload power is reserved for short-term emergency power supply after sudden municipal power failure, coping with instantaneous peak power consumption during equipment startup and short-term high-load operation. Different from small-power generators with insufficient load capacity and high-power generators with high energy consumption, this WP4.1 series unit focuses on precise matching of medium-load scenarios, integrating continuous main power supply and emergency standby power supply dual functions. It effectively helps users solve power shortage and power outage loss problems, and is one of the most cost-effective power generation equipment in the current mid-power generator market.

6. Common FAQ

6.1 What is the difference between prime power and standby power of the WP4.1D80E200 generator set in actual use?

Prime power (58kW/72.5kVA) refers to the rated continuous operating power of the unit, which supports long-term full-load stable operation and is suitable for daily main power supply scenarios such as factory continuous production and long-term field power consumption. Standby power (64kW/80kVA) is short-term emergency overload power, only applicable to temporary power supply after municipal power failure, and long-term full-load operation is prohibited. In actual configuration, users should take 58kW prime power as the standard to match loads, so as to avoid long-term overload operation causing engine wear and shortened unit service life.

6.2 What are the practical advantages of brushless self-excited alternator with H-grade insulation?

The brushless self-excited structure removes traditional carbon brushes and slip rings, reducing most mechanical wear faults and daily maintenance workload. It can adapt to long-term unattended operation with lower failure rate. Equipped with H-grade high-temperature resistant insulation materials, the alternator can resist high-temperature aging and instantaneous voltage impact during long-time high-load operation, with better durability and stability than ordinary insulation generators. It can always maintain stable power output in harsh working environments, effectively reducing equipment failure downtime.

6.3 What working environments can the IP23 protection grade adapt to?

IP23 protection grade enables the unit to block large solid foreign particles and resist splashing rainwater within 60 degrees, which is suitable for indoor equipment rooms, closed workshops, outdoor open construction sites, semi-outdoor yards and other conventional working environments. It can stably cope with normal temperature, humidity changes and light dust working conditions. To prolong the service life of the unit, it is not recommended to operate for a long time in extreme environments such as heavy rain immersion, heavy dust accumulation and strong corrosive gas.