Yuchai 2115 Series Diesel Generator Prime Power 18kVA - 38kVA For Portable Outdoor Jobs
| Voltage: | 220V/380V/400V (depending On Model) | Coolingsystem: | Water-cooled |
| Voltage Options: | 220V, 380V, 400V | Weight Range: | 500kg To 5000kg |
| Control Panel: | Automatic Control Panel | Voltage Regulator: | Automatic Voltage Regulator (AVR) |
| Starting System: | Electric Start | Power Range: | 10kW To 2,400kW |
| Phase: | Single-phase/Three-phase | Weight: | 500kg To 5000kg |
| Power Output Range: | 10kW To 2000kW | Productname: | Yuchai Generator Set |
| Cooling System: | 40℃ Standard Water Cooling Cycle | ||
| High Light: | 18kVA Diesel Generator Prime Power,2115 Series Diesel Generator Prime Power,38kVA Yuchai Diesel Generator |
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Yuchai 2115 Series 18kVA-38kVA Diesel Generator, Prime Power for Portable Outdoor Jobs
Product Overview
WOPUSAI assembled Yuchai 18kVA‑38kVA 2115 series open‑frame diesel generator set covers multiple power grades within 18kVA‑38kVA range, adopting genuine Yuchai 2108D / 2115D / 2115ZD diesel engines. It is matched with STC series brush‑type self‑excited all‑copper alternator. This compact‑sized unit serves as prime power or emergency backup power for small‑medium projects. The open‑frame structure is easy for ventilation and routine maintenance, delivering dependable output under variable load. It performs steadily under outdoor dusty working conditions, widely used for construction sites, small factories, farms and commercial standby power requirements.
Product Showcase
Compact open‑structure layout, compact footprint saves installation space. Full unit includes original Yuchai 2115 series engine, STC brush‑type self‑excited alternator, water cooling radiator assembly, basic control panel and complete wiring harness. Buyers can pick exact power rating and add‑on accessories according to actual site power demand.

Key Specifications
18kVA‑38kVA 2115 series Yuchai six-cylinder open frame unit |
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| Rated power | 15KW / 18kVA | 20KW / 25kVA | 30KW / 38kVA |
| Rated current | 27A | 36A | 54A |
| Rated voltage | 400V/230V | ||
| Rated frequency | 50Hz | ||
| Rated speed | 1500rpm | ||
| Fuel consumption | 220g/KW.h | ||
| Dimensions | 1500*650*1150mm | ||
| Unit weight | 600KG | 650KG | 700KG |
| Noise index | 100dB | ||
| Model | 2108D | 2115D | 2115ZD |
| Number of cylinders | 2L | ||
| Bore stroke | 108*115mm | 115*120mm | 115*120mm |
| Exhaust volume | 2.1L | 2.5 L | 2.5L |
| Starting method | DC 24V DC start | ||
| Cooling method | 40℃ standard water cooling cycle | ||
| Oil supply method | Direct injection | ||
| Debugging method | Mechanical speed regulation | ||
| Air intake method | Inhale naturally | Turbocharging | |
| Generator configuration | Brush self-excitation | ||
| Brand/Model | STC-15 | STC-20 | STC-30 |
| Rated power | 15KW / 18kVA | 20KW / 25kVA | 30KW / 38kVA |
| Insulation level | E | ||
| Protection level | IP 22 | ||
| Wiring method | Star connection | ||
| Adjustment method | AVR automatic voltage regulation | ||
| Power Factor | 0.8 lag | ||
Core Advantages
- Compact multi‑power selection: 18‑38kVA power coverage on the same 2115 platform, shared spare‑part system, lowering procurement and stocking cost for small‑medium project operators.
- Simple and proven mechanical structure: Direct‑injection engine with mechanical speed governor, mature technical route, easy for local mechanics to carry out field repair, less requirement for complex maintenance conditions.
- Cost‑effective power solution: Brush‑type STC copper alternator offers stable voltage performance, delivering reliable power with competitive overall unit cost, ideal for budget‑sensitive projects.
- Good field environmental tolerance: Water‑cooled circulation design works well under outdoor temperature fluctuations; turbocharged variant delivers stronger power output for heavy‑load occasions.
- Strict pre‑delivery inspection by WOPUSAI: Each unit goes through assembly debugging and full‑load running test before shipment, to guarantee consistent output performance.
🎯 Application Scenarios
Construction sites, small manufacturing workshops, farm facilities, rural power backup, retail shops, small commercial buildings, mobile engineering equipment supporting power supply.
⚙️ Optional & Customization
- ATS automatic transfer switch for auto start‑stop upon mains power failure
- Remote monitoring module for real‑time unit status check
- Silent sound‑proof canopy for noise‑limited working zones
- Light‑duty mobile trailer chassis for frequent site transfers
- Upgraded multi‑protection control cabinet
📦 Packaging Standards
Main unit wrapped with stretch film plus reinforced wooden case. Spare filters, control fittings and installation hardware are packed in separate cartons. Export‑grade fumigated wooden packaging is available upon request.
🚛 Shipping & Delivery
Goods will be dispatched within agreed lead‑time after completing full‑load inspection. Sea freight and land freight are supported for global orders. We provide packing list and required customs‑clearance documents.
🏢 Brand Introduction
WOPUSAI Mechanical and Electrical is a professional generator‑set integrator. We focus on assembling and matching mainstream well‑known brand power units. Our product range covers open‑type, silent, trailer‑mounted generator sets together with supporting alternators, control boxes and maintenance spare parts. We offer tailored configuration solution, technical guidance and after‑sales support for worldwide B2B customers. Each product undergoes multi‑round quality inspection to secure dependable performance.
