Yuchai 4V Series 25kVA-50kVA Diesel Generator, Standby Power for Villas & Residential Backup

Product Overview

The WOPUSAI Yuchai 4V‑Series diesel generator set adopts genuine Yuchai 4V series diesel engine, matched with high‑performance TFW brush‑less self‑excitation alternator. Rated for prime continuous power output within 25kVA‑50kVA (20kW‑40kW), this open‑frame genset delivers full rated power for long‑term regular operation. It maintains stable power output under varying load conditions. Compact footprint, easy‑access servicing points and outstanding cost‑performance make it ideal for small‑scale industrial and commercial power supply scenarios. Every unit undergoes strict full‑load factory testing to guarantee real full‑power performance for prime use.

Product Showcase

Standard open‑type generator unit. Optional accessories include silent noise‑reducing canopy, movable trailer chassis, ATS automatic transfer switch for automatic emergency power switch‑over when mains power fails.

Key Specifications

Core Advantages

1. Genuine Yuchai 4V Prime‑Rated Power Core: Purpose‑built for regular continuous full‑power operation. Turbocharged 4‑cylinder direct‑injection engine reserves sufficient power margin, reliable fuel efficiency, performs steadily in high‑temperature and humid working conditions.
2. High‑quality TFW Brush‑less Alternator: Brush‑free design eliminates carbon brush wear‑and‑tear issues, greatly reduces routine maintenance work. Provides smooth, stable voltage output with good dust‑proof capability, perfectly fit for long‑term unattended prime power supply.
3. Dependable Mechanical Governing Structure: Minimal vulnerable electronic components, strong anti‑interference performance, suitable for remote sites without dedicated on‑site technical staff.
4. Compact Open‑frame Structure: Saves installation space; all daily maintenance positions are externally exposed, convenient for oil change and filter replacement.
5. Factory Prime‑load Validation Test: Each unit completes continuous full‑power running test before delivery, ensuring actual on‑site output matches nameplate prime power rating.

🎯 Application Scenarios

Small processing workshops, retail commercial buildings, remote construction sites, farm facilities, residential complex backup power, rural area independent power supply, small emergency power‑support projects.

⚙️ Optional & Customization

• Silent sound‑proof canopy / mobile trailer chassis
• ATS automatic transfer switch for auto start‑stop upon mains outage
• Deep sea / HGM series control cabinet, four‑protection control box
• Extended large‑capacity fuel tank, remote signal monitoring module
• Custom surface painting color, heavy‑duty filter kit for severe dusty working conditions

📦 Packaging Standards

Export‑grade iron frame or plywood case packaging; matching filter consumables, maintenance tools and complete operation manual are included within the package.

🚛 Shipping & Delivery

We support multiple international trade terms: FOB, CIF, DAP. Goods can be transported via sea or land freight. Production lead time is 7‑15 working days after receiving customer deposit.

🏢 Brand Introduction

WOPUSAI Mechanical and Electrical is specialized in R&D, assembly and global sales of diesel & gasoline generator sets as well as supporting power accessories. We maintain stable cooperation with famous domestic engine manufacturers including Yuchai and Shangchai. All products satisfy CE and ISO quality certification requirements. We supply one‑stop power solutions covering unit configuration matching, technical guidance and after‑sales service for worldwide B2B purchasers.