Weichai WP2.3D Series 25kVA-50kVA Open Frame Diesel Generator, Standby Power for Small Commercial Sites

Product Overview

The WOPUSAI Weichai WP2.3D series 25kVA‑50kVA diesel generator set adopts genuine Weichai WP2.3D inline 4-cylinder water-cooled diesel engine, matched with Foshan Stanford TFW brushless self-excited alternator. This compact and cost-effective genset delivers steady prime power and reliable emergency backup power for small and medium commercial & industrial applications. It features turbocharged or naturally aspirated intake and direct injection fuel supply system, with simple structure, low failure rate and easy daily maintenance. The small footprint open-frame design saves installation space, perfectly suited for small factories, retail stores, office buildings, construction sites and residential backup power supply.

Product Showcase

Complete open-frame genset assembly, Weichai WP2.3D series diesel engine unit, TFW brushless self-excited alternator, industrial control cabinet, complete piping assembly and compact water cooling radiator.

Key Specifications

Core Advantages

1. Genuine Weichai WP2.3D Compact 4-Cylinder Powertrain Weichai WP2.3D 2.3L inline four-cylinder engine is a lightweight and economical power unit optimized for generator use. It supports both natural aspiration and turbocharged versions, with simple direct injection fuel system for stable combustion. Small size and light weight greatly reduce site space requirements. The solid cast iron cylinder block ensures dependable operation under regular load changes. Widespread global Weichai service network enables fast spare parts procurement and convenient maintenance.
2. TFW Brushless Self-excited Alternator Brushless self-excited structure eliminates carbon brush wear faults and lowers regular maintenance workload. The alternator uses high-quality winding material, featuring excellent heat dissipation and stable voltage performance. Built-in AVR automatic voltage regulator keeps output voltage stable during load changes, protecting office equipment, lighting systems and small production machines. F-class insulation and IP23 protection level ensure reliable running under ordinary dusty and humid environments.
3. Flexible Speed Regulation Options This series supports both mechanical speed regulation and electronic speed regulation. Mechanical governor version offers low cost and stable performance for basic standby power. Electronic governor version provides faster response to sudden load fluctuations and more precise frequency control. Standard DC12V electric starting system realizes easy startup for daily operation.
4. Compact Integrated Base & Simple Maintenance Design The welded base is compact in size and light in weight, reducing transportation and installation difficulty. The oil filling ports, filter components and inspection openings are arranged in easy-to-access positions for quick inspection and part replacement. Each finished genset undergoes full-load aging testing before delivery to verify all mechanical and electrical indicators.
5. Practical Customization For Light-duty Projects The open-frame layout reserves installation space for auxiliary accessories. Optional upgrades include silent canopy, ATS automatic transfer cabinet, remote monitoring module and extended fuel tank, meeting power needs for small workshops, shops, construction sites and residential emergency backup.

🎯 Application Scenarios

‑ Small manufacturing workshops, small factory standby power supply

‑ Office buildings, shopping shops, commercial stores emergency backup power

‑ Construction sites, temporary engineering field power supply

‑ Villas, residential communities, rural off-grid power stations

‑ Small farms, water pump stations and small municipal projects

⚙️ Optional & Customization

‑ Silent canopy / sound‑insulated enclosure

‑ ATS automatic transfer switch for auto‑start & mains‑failure auto‑switch

‑ Multi‑protection control cabinet, remote monitoring module

‑ Large‑capacity extended fuel tank, cold‑region preheating device

📦 Packaging Standards

Export‑grade heavy‑duty iron frame packaging, anti‑rust coating for metal surfaces. Complete operation manual, spare‑parts kit are included inside the package.

🚛 Shipping & Delivery

Support full container and LCL transportation. Available for FOB, CIF and other international trade terms. Production lead‑time subject to order quantity, negotiable delivery schedule for bulk orders.

🏢 Brand Introduction

WOPUSAI Mechanical and Electrical

WOPUSAI focuses on R&D, assembly and global supply of industrial diesel generator sets. We maintain long‑term strategic cooperation with Weichai, Cummins, Shangchai Power, Yuchai and other well‑known engine manufacturers. Our product portfolio ranges from small portable gensets to large‑scale heavy‑duty industrial power equipment. Strict quality inspection runs through every production procedure. We provide worldwide customers with full‑set solutions covering model‑selection guidance, technical consultation and after‑sales support.

Introduction of Weichai Engine

Weichai Power is a world-famous Chinese power manufacturer. WP2.3D series inline 4-cylinder engine is a cost-effective compact power product, with small footprint, low fuel consumption and simple maintenance. Widely applied in small and medium diesel generator sets, it is a preferred power solution for light-duty backup power projects.