Shangchai 4H Series 50kVA-150kVA Open Frame Diesel Generator, Standby Power for Commercial & Industrial Use

Product Overview

The WOPUSAI Shangchai 4H series 50kVA‑150kVA diesel generator set adopts original Shangchai 4H series diesel engine, matched with STC brush‑type self‑excitation alternator. This open‑frame generating unit delivers stable and durable power output, perfectly suited for factory standby power, construction site power supply, commercial building emergency backup and other working scenarios. Built for long‑time continuous operation, it features mechanical speed regulation, reliable direct‑injection fuel supply structure, easy maintenance and low comprehensive operating cost, which is a cost‑effective power solution for B2B industrial users.

Product Showcase

Open‑frame unit, Shangchai 4H diesel engine host, STC brush self‑excitation generator, standard control panel, complete connecting pipelines and radiator cooling system.

Key Specifications

Core Advantages

✅ Original Shangchai 4H Engine: Mature domestic engine platform, strong power performance, good adaptability to various environments, easy access to spare parts and convenient after‑sales service.

✅ Brush‑type Self‑excitation STC Alternator: Stable voltage output with AVR automatic voltage adjustment, strong overload capacity, simple structure and low failure rate.

✅ Mechanical Speed Governing System: High anti‑interference ability, no complex electronic components, suitable for harsh construction sites and outdoor working conditions.

✅ Cost‑effective Open‑frame Structure: Compact layout, easy access for daily inspection, filter replacement and routine maintenance.

✅ Reliable Water‑cooled Heat Dissipation: 40℃ ambient temperature adaptability, supporting long‑term continuous standby and prime‑power operation.

🎯 Application Scenarios

• Industrial plant standby emergency power supply
• Construction site field power supply
• Shopping mall, commercial complex backup power
• Mining area, outdoor engineering project power support
• Small‑medium factory, logistics park emergency power source

⚙️ Optional & Customization

• Silent canopy container‑type housing modification
• ATS automatic transfer switch for automatic mains‑failure startup
• Deepsea / smartgen digital control panel upgrade
• Extended fuel tank, remote monitoring module
• Custom painting color and brand logo marking

📦 Packaging Standards

Standard export plywood case / iron frame packaging, unit fixed reliably, key spare parts including filter elements and accessories are packed separately.

🚛 Shipping & Delivery

Support FOB, CIF, DAP trade terms. Unit can be delivered by sea freight or land trucking. Delivery lead time depends on order quantity.

🏢 Brand Introduction

Shangchai Power Introduction

Shangchai Power is a well‑known Chinese internal‑combustion engine manufacturer with decades‑long R&D and manufacturing experience. Its 4H series diesel engines are widely recognized in the generator set industry, featuring stable performance, high part universality and complete global spare‑part supply channels. The engines undergo strict bench testing before factory delivery to guarantee stable output under heavy‑load continuous working conditions.

WOPUSAI Mechanical and Electrical

WOPUSAI Mechanical and Electrical is a professional generator‑set system solution provider. We focus on assembling and matching various domestic well‑known brand engines, supplying open‑frame, silent, container‑type generator sets and related spare parts. Strict factory testing is performed before shipment to guarantee stable product quality, and we provide complete technical support and after‑sales guidance for global clients.