WOPUSAI Yuchai 4D‑Series 50kVA‑63kVA Open‑Frame Heavy‑Duty Diesel Generator Set

Product Overview

The WOPUSAI Yuchai 4D‑Series diesel generator set is assembled with genuine Yuchai 4D series diesel engine paired with high‑performance TFW brush‑less self‑excitation alternator. Covering power range from 50kVA to 63kVA(40kW‑50kW), this open‑frame genset is suitable for both prime power and standby power requirements. Optimized for medium‑duration continuous operation, it maintains stable power output under variable load fluctuations. Thanks to its compact structural design, convenient daily servicing and high cost‑performance, it fits diverse commercial and small‑industrial power‑supply scenarios. Every unit undergoes comprehensive factory load testing to guarantee reliable field operation performance.

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 4D Power Core: 4‑cylinder direct‑injection engine delivers stable power output, excellent fuel‑saving performance, great adaptability for high‑temperature and humid working environments.
2. Premium TFW Brush‑less Alternator: Brush‑less structure removes carbon‑brush wear trouble, cuts routine maintenance workload. It realizes smooth voltage output, superior dust‑resistance and longer service life, well‑suited for unattended standby power operation.
3. Stable Mechanical Governing System: Less fragile electronic components, strong anti‑interference capability, ideal for job sites without full‑time professional technical support.
4. Space‑saving Open‑frame Construction: Takes up limited installation space; all routine service points are externally accessible, simplifying oil change and filter replacement operations.
5. Strict Factory Full‑load Running‑in Test: Each complete unit completes rigorous load simulation test before shipment, effectively lowering on‑site failure risks.

🎯 Application Scenarios

Small manufacturing workshops, commercial premises, construction sites, farm irrigation projects, remote‑area power supply, office building backup power, small‑scale emergency rescue 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.