Standard Warranty
1 year or 1000 hours
The CDW356KVA is Jiuan Generator's 356KVA Weichai diesel generator for large hotels, shopping malls, hospitals, and commercial complexes requiring 285KW ISO8528 PRP continuous prime power. Weichai WP13D490E310 HPCR engine: 6-cyl, 12.54L, ≤198g/kWh. 285KW/356KVA prime; 314KW/392KVA standby; ATS auto-start 3-7s; ≤72dB(A)@7m; 3850×1720×2200mm / 3800kg; 8h full prime tank; 18-month warranty.
The CDW356KVA is Jiuan Generator's 356KVA Weichai diesel generator for large hotels, shopping malls, office complexes, hospitals, and commercial developments requiring 285KW ISO8528 PRP continuous prime power throughout operational hours. Powered by the Weichai WP13D490E310 with high-pressure common rail injection and electronic governing, the CDW356KVA delivers 285KW/356KVA prime and 314KW/392KVA standby — housed in a 3850×1720×2200mm, 3800kg silent canopy at ≤72dB(A) measured 7 metres from the enclosure.
The Weichai WP13D490E310 genset engine is an inline six-cylinder, turbocharged and intercooled diesel with 12.54L displacement, 127mm × 165mm bore and stroke, and 15:1 compression ratio. The high-pressure common rail (HPCR) electronic fuel injection system holds specific fuel consumption at ≤198g/kWh — delivering measurably lower fuel cost per prime power hour versus mechanically injected engines at the same output rating. The 36L oil sump capacity supports 500-hour planned service intervals between oil changes.
The 285KW prime power generator set CDW356KVA brushless synchronous alternator is wound with all-copper conductors, H-class insulated, and delivers stable 400V/50Hz three-phase supply with steady-state voltage regulation within ±1%. The DSE7320 or SmartGen controller executes ATS automatic start within 3-7 seconds of grid loss — a transfer speed that meets life-safety load requirements at hospitals, hotels, and commercial buildings operating in regions with frequent or extended grid outages.
The 356KVA commercial backup power unit CDW356KVA silent canopy is fabricated from 2.5mm cold-rolled steel with multi-layer anti-rust coating and 50mm acoustic insulation lining, achieving ≤72dB(A) at 7m — within noise limits for urban commercial zones in most jurisdictions. The integrated base fuel tank supports 8 hours of continuous full prime load operation on a single fill, and the canopy incorporates access panels on all sides for oil filling, filter replacement, and routine inspection without removing the housing.
The Weichai WP13 silent generator CDW356KVA draws on Weichai Power's authorized service and parts network, providing in-country procurement for engine components across Africa, the Middle East, Southeast Asia, and South Asia. Compared with equivalent Perkins or Cummins models, WP13 series spare parts carry 25-30% lower procurement cost and shorter in-country lead time — a measurable TCO advantage across a 5-10 year commercial operational lifespan. Jiuan Generator provides an 18-month or 2,000-hour warranty on each CDW356KVA unit.

| Parameter | Value |
| Model | CDW356KVA |
| Prime Power (PRP) | 285KW / 356KVA |
| Standby Power (ESP) | 314KW / 392KVA |
| Engine Model | Weichai WP13D490E310 |
| Cylinders | 6 Inline |
| Displacement | 12.54L |
| Bore × Stroke | 127mm × 165mm |
| Compression Ratio | 15:1 |
| Fuel System | HPCR Electronic Injection |
| Specific Fuel Consumption | ≤198g/kWh (full prime load) |
| Aspiration | Turbocharged + Intercooled |
| Cooling | Water-cooled, Closed Circuit |
| Starting | 24V DC Electric Start |
| Frequency / Speed | 50Hz / 1500RPM; 60Hz / 1800RPM |
| Phase / Wires | 3-Phase, 4-Wire |
| Voltage Output | 415/240V, 400/230V, 380/220V |
| Power Factor | 0.8 Lagging |
| Voltage Regulation | ±1% |
| Alternator | Stamford / Leroy-Somer / Tooplinks |
| Insulation Class | Class H |
| Protection Rating | IP23 standard / IP55 optional |
| Noise Level | ≤72dB(A) @ 7m (silent canopy) |
| Dimensions (L×W×H) | 3850 × 1720 × 2200mm |
| Weight | 3,800kg |
| Fuel Tank | Integrated (8h full prime autonomy) |
| Controller | DSE7320 / SmartGen |
| Optional | ATS Cabinet, 4G IoT, Parallel Cabinet |

1. HPCR Fuel Injection — ≤198g/kWh for 24/7 Commercial Prime Operations
The 285KW prime power generator set CDW356KVA WP13D490E310 HPCR common-rail injection maintains ≤198g/kWh specific fuel consumption across the prime load range — reducing daily fuel cost for commercial buildings and hospitality operations where the genset runs as primary power during extended grid-unavailable periods or planned prime operation shifts.

2. 490KW Gross Engine Output — Deep Mechanical Reserve Above Prime Rating
The Weichai WP13D490E310 genset engine produces 490KW gross mechanical output at 1500RPM — significantly above the 285KW electrical prime rating. This mechanical reserve provides thermal and load headroom during continuous prime operation, reducing exhaust temperatures and bearing wear rates compared with engines running close to their rated ceiling at equivalent electrical output.
3. 10.2% Standby Headroom — Load Surge Buffer Above Prime Rating
The 356KVA Weichai diesel generator CDW356KVA 314KW/392KVA standby rating provides 10.2% power headroom above the 285KW prime. This buffer absorbs starting inrush from HVAC compressors, lift motors, and cycling commercial loads at hotels and malls without voltage sag that disrupts building management systems or trips motor protection relays.

4. ≤72dB(A) @ 7m — Urban-Rated Noise Level for Commercial Zone Installation
The 356KVA commercial backup power unit CDW356KVA ≤72dB(A) at 7m meets noise thresholds for urban commercial zones in most jurisdictions. Combined 50mm acoustic lining, secondary exhaust silencer, and anti-vibration mounts achieve this noise floor without reducing cooling airflow at full prime load — enabling installation in hotel plant rooms and commercial basement generator rooms.
5. In-Country Weichai Parts Sourcing — Lower TCO vs Imported Genset Brands
The Weichai WP13 silent generator CDW356KVA uses parts available through in-country Weichai distributors across Africa, the Middle East, Southeast Asia, and South Asia. In-country procurement cuts lead time and parts cost — a measurable TCO benefit compared with Perkins or Cummins equivalents where imported parts carry higher landed cost and longer sourcing delays.

The CDW356KVA 285KW prime power generator set serves the following prime and standby power applications:
Jiuan Generator provides OEM configuration for the CDW356KVA Weichai WP13D490E310 genset. Available options include ultra-silent canopy (≤64dB@7m), DSE7320 or SmartGen controller with RS-485/MODBUS, ATS automatic transfer cabinet, 4G IoT remote monitoring module, multi-unit parallel synchronization cabinet, and extended 1500-4000L external fuel tank. Custom RAL color canopy and customer brand labelling are supported. All units pass full-load factory burn-in testing before dispatch.

Q: What is the CDW356KVA prime rating and which facilities is it sized for?
A: The 356KVA Weichai diesel generator CDW356KVA is rated 285KW/356KVA ISO8528 PRP prime — certified for continuous operation with no annual hour restriction. The 314KW/392KVA standby rating is for emergency grid-backup with restricted annual hours. It is designed for large hotels, shopping malls, hospitals, and industrial park feeders requiring cost-effective continuous prime power.
Q: How quickly does the CDW356KVA restore power after a grid outage?
A: The 356KVA commercial backup power unit CDW356KVA controller auto-starts the engine within 3-7 seconds of detecting grid loss and completes load transfer automatically. This transfer speed meets life-safety requirements for hotel guest continuity, commercial lighting, and ATS-protected circuits at offices and retail developments. The cool-down cycle after grid restoration is fully automated.
Q: How does the CDW356KVA compare in total cost of ownership with equivalent Perkins or Cummins units?
A: The Weichai WP13 silent generator CDW356KVA typically offers 25-30% lower procurement cost versus equivalent Perkins or Cummins units. WP13 series parts are available through in-country Weichai distributors across Africa, Middle East, and Southeast Asia, reducing service turnaround and parts cost — delivering measurably lower 5-year TCO for commercial and industrial deployments.
The CDW356KVA is Jiuan Generator's 356KVA Weichai diesel generator for large hotels, shopping malls, hospitals, and commercial complexes requiring 285KW ISO8528 PRP continuous prime power. Weichai WP13D490E310 HPCR engine: 6-cyl, 12.54L, ≤198g/kWh. 285KW/356KVA prime; 314KW/392KVA standby; ATS auto-start 3-7s; ≤72dB(A)@7m; 3850×1720×2200mm / 3800kg; 8h full prime tank; 18-month warranty.
1 year or 1000 hours
Up to 3 years for Perkins engines;
2 years for Stamford S-series alternators
Professional technical support and spare parts supply network
What every JIUAN generator set delivers — before and after it reaches your site.
Up to 2 years or 2,000 hours of full-unit warranty (whichever comes first), underwritten in cooperation with PICC — giving overseas buyers confidence in every unit.
Guaranteed expedited air shipping — core warranty components arrive worldwide in just 3 to 5 days, keeping your downtime to an absolute minimum.
Soundproof canopies use cold-rolled steel, high-gloss powder coating and flame-retardant insulation for outstanding rust, scratch and noise resistance.
Every unit is brand new with a unique, traceable ESN. Each generator is run through staged full-load and overload tests before shipment.
Configurations for frigid regions, coastal climates and demanding worksites include tailored heating, protection and anti-corrosion solutions.
One-stop customs clearance certificate support and processing helps smooth the path from our factory to your port.
Custom gensets: silent, explosion-proof, custom voltage
Full project tech support & remote monitoring
Track record: data centers, mines, ports, infrastructure
24/7 Genset Service Hotline: +86 18818906850
Add: No.1 Dongxing Xiang, Tanbu Town, Huadu, Guangzhou, China
Fast & reliable response always guaranteed.