Diesel Generator Sets
Sixteen engine brands and three enclosure configurations, covering standby, prime and continuous duty. Open, silent or containerised.
Powering Your
Business Worldwide
When you need power, we get it to you efficiently. We design, assemble and factory-test reliable diesel generator sets for use in data centres, hospitals, industries, mines and marine.
Watch film7 kVA
to 3,750 kVA range
16
Engine brands
763
Generator models
50+
Export countries
Product Range
Three product families, one manufacturing standard
Every set is assembled on the same line, load-tested to ISO 8528 and shipped with a factory test certificate.
Off-Shore Container
CSC-certified offshore containers with A60 fire rating, C5-M marine painting and integrated switchgear for platform and vessel duty.
Load Bank
Resistive and reactive load banks for commissioning, periodic testing and UPS / generator verification under controlled load.
Configuration
Open, silent or containerised
The same engine and alternator, packaged three ways. The right choice depends on noise limits, climate and how quickly the site has to be energised.
Open Type
Maximum accessibility, lowest cost per kVA
- Heavy-gauge fabricated steel base frame with anti-vibration mounts
- Integral or external fuel tank from 100 L to 2,000 L
- Fully wired control panel with 8 m harness
- Single-side service access to filters and belt drive
Silent Type
Most popular
Weatherproof and acoustic canopy for residential areas
- Galvanised steel canopy, 1.5 – 2.0 mm, powder-coated finish
- High-density acoustic foam and perforated inner liner
- ≈ 68 – 75 dB(A) at 7 m (optional 65 dB(A) super-silent)
- Lockable service doors with stainless-steel hinges
Containerized
Rapid deploy
Plug-and-play power in an ISO footprint
- 20 ft / 40 ft ISO high-cube container, CSC plate certified
- Internal day tank with bunded spill containment
- Integrated exhaust silencer and horizontal air discharge
- Separate control room with lighting, ventilation and fire detection
Solutions
Power engineered for your industry
Seven industries, seven different duty profiles. Each solution page documents the recommended configuration, the engineering rationale and reference projects.
Data Centers
Tier III / IV standby and N+1 redundant power
Explore solution
Healthcare
Uninterrupted power for critical care
Explore solution
Mining & Oil-Gas
Prime power in the world's hardest environments
Explore solution
Construction
Reliable site power that moves when you do
Explore solution
Industrial
Process power for manufacturing plants
Explore solution
Marine & Offshore
C5-M protected power for salt-laden air
Explore solutionWhy Cunmi
A manufacturing partner, not a trading desk
We own the assembly line, the load-test bay and the after-sales desk. That is what makes a delivery date meaningful.
Own factory
62,000 m² of assembly, paint and test capacity under one roof in Wuxi, China.
Every set load-tested
Each genset runs a full load bank test at 25 %, 50 %, 75 % and 100 % before packing.
Certified to export
CE, EPA, Stage V, SASO and SONCAP approvals held for the main export markets.
Supported worldwide
Spare-parts hubs and trained partners in more than 50 countries.
News & Insights
Latest from Cunmi
Cunmi expands Stage V line-up to 1,600 kVA
Eight new ratings join the Stage V portfolio, covering 1,000 to 1,600 kVA for data centre and healthcare duty, all certified to EU Regulation 2016/1628.
24 MVA prime-power camp energised at a West African gold mine
Twelve containerised 2,000 kVA prime-rated sets now power the camp, processing plant and water treatment infrastructure of a remote gold operation.
ISO 8528 load acceptance classes explained
G1, G2, G3 and G4 — what each performance class actually guarantees, how the tests are conducted, and why the class matters more than the nameplate rating.
Need a reliable power solution?
Send us your load profile, ambient conditions and site constraints. A Cunmi sales engineer will come back within one business day with a sized recommendation and budget quotation.