YUVCHAI Silent Diesel Generators
YUVCHAI 100kVA, 125kVA, 138kVA Silent Diesel Generators - Waterproof Diesel Generator Silent Set with 3 Phase Generator
Product Overview
Our Yuchai YCB6.9TAA180-G20 Diesel Generator is a high-performance, heavy-duty diesel generator set designed for reliable prime and standby power. Engineered with the renowned Yuchai engine, this 100kW unit is encased in a robust soundproof canopy, making it an ideal solution for applications requiring low noise operation without compromising on power and durability. Perfect for construction, industrial, commercial, and emergency backup applications.

Power Specifications
| Specification | Prime Power | Standby Power |
|---|
| Rated Power (kVA) | 125 | 138 |
| Power Rating (kW) | 100 | 110 |
| Frequency (Hz) | 50 |
| Engine Model | YCB6.9TAA180-G20 |
| Engine Speed (RPM) | 1500 |
| Phase | 3 |
| Power Factor (PF) | 0.8 |
| Control System | Digital |
| Rated Voltage (V) | 400/230 (Customizable) |
| Fuel Tank Capacity Operating Time | ≥ 8 hours @ 75% load |
Power Rating Definitions
PRP (Prime Power): Available for unlimited annual hours in variable load applications according to GB/T2820-97 standards. Includes 10% overload capability for 1 hour within 12-hour operation period.
ESP (Standby Power): Applicable for supplying emergency power during utility power interruptions. No overload, utility parallel, or negotiated outage operation capability available at this rating.
Dimensions and Weight
| Model | BYU138 (Open Type) | BYU138S (Silent Type) |
|---|
| Length (L) mm | 2420 | 3850 |
| Width (W) mm | 950 | 1220 |
| Height (H) mm | 1560 | 1950 |
| Tank Capacity (L) | 230 | 230 |
Engine Specifications
| Engine Model & Manufacturer | YCB6.9TAA180-G20 (YUCHAI) |
| Emission Certification | ---- |
| Number of Cylinders | 6 |
| Cylinder Arrangement | Vertical |
| Cycle | Four Stroke |
| Aspiration | Turbocharged, Air-Air Intercooled |
| Bore x Stroke | 108 x 125 mm |
| Cubic Capacity | 6.87 L |
| Compression Ratio | 17.5:1 |
| Prime Power / Speed | 120 kW / 1500 rpm |
| Standby Power / Speed | 133 kW / 1500 rpm |
| Governor Type | Mechanical |
| Cooling System | Direct Injection |
| Transient Frequency Deviation | -0.833333333 |
| Total Lubrication System Capacity | 12 L |
| Coolant Capacity (Engine Only) | 31 L |
| Fuel Consumption @ 100% Load | 198.4 g/kWh @ 1500 rpm |
| Starter Motor | DC 24V |
| Charge Alternator | DC 24V |
Alternator Specifications
| Alternator Brand | BOBIG |
| Alternator Manufacturer | FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD |
| Alternator Model | BW-274D |
| Alternator Rated Power | 100kW / 125kVA |
| Rated Voltage (V) | 230V / 400V |
| Rated Frequency | 50Hz |
| Connecting Type | 3 Phase and 4 Wire |
| Number of Bearings | 1 |
| Protection Grade | IP23 |
| Altitude | ≤1000m |
| Exciter Type | Brushless, Self-exciting, AVR automatic voltage regulating, 100% Copper |
| Insulation Class | H Class |
| Telephone Influence Factor (TIF) | ≤50 |
| THF | ≤2% |
| Voltage Regulation, Steady State | ≤±1% |
| Transient State Voltage | ≤-15% ~ +20% |
Control Panel - DSE 6120
Auto Start and Auto Mains Failure Control Module
Key Benefits
- Automatically transfers between mains (utility) and generator (DSE6120 MKIII only)
- Hours counter provides accurate information for monitoring and maintenance periods
- User-friendly set-up and button layout for ease of use
- Multiple parameters monitored & displayed simultaneously for full visibility
- Configurable to suit a wide range of applications for user flexibility
- PLC editor allows user configurable functions to meet specific application requirements

Key Features
- 4-line back-lit LCD text display
- Multiple display languages
- Five-key menu navigation
- LCD alarm indication
- Customizable power-up text and screen images
- DSENet® expansion compatibility
- Data logging facility
- Internal PLC editor
- Protections disable feature
- Fully configurable via PC using USB communications
- Front panel configuration with PIN protection
- Power save mode
- 3-phase generator sensing and protection
- 3-phase mains (utility) sensing and protection (DSE6120 MKIII only)
- Automatic load transfer control (DSE6120 MKIII only)
- Generator current and power monitoring (kW, kvar, kVA, pf)
- Mains (utility) current and power monitoring (kW, kvar, kVA, pf) (DSE6120 MKIII only)
- kW overload alarm
- Over current protection
- Breaker control via fascia buttons
- Fuel and start outputs configurable when using CAN
- 6 configurable DC outputs
- 4 configurable analogue/digital inputs
- Support for 0V to 10V & 4mA to 20mA sensors
- 8 configurable digital inputs
- CAN, MPU and alternator frequency speed sensing in one variant
- Real time clock
- Manual and automatic fuel pump control
- Engine pre-heat and post-heat functions
- Engine run-time scheduler
- Engine idle control for starting & stopping
- Fuel level alarms
- 3 configurable maintenance alarms
- Compatible with wide range of CAN engines, including Tier 4 engine support
- Uses DSE Configuration Suite PC Software for simplified configuration
- Licence-free PC software
- IP65 rating (with optional gasket) for increased water resistance
- Configurable CAN read & transmitted information
- 1 alternative configuration
Available Options
| Engine Options | Alternator Options | Fuel System Options | Generating Set Options |
|---|
| Water Jacket Preheater | PMG Excitation | 12/24 Hour Base Tank | Deepsea, ComAp, Smartgen etc. Controller |
| Oil Preheater | Space Heater | Bunded Fuel Tank | Trailer |
| Oil Manual Pump | Winding Temperature Measuring | External Fuel Tank | Tools with the Machine |
| | Automatic Fuel Feeding | |
| | Switch Between External Tank and Base Tank (Three-way Valve) | |