Open-type Generator Set

Open Type Generator Sets for Industrial Power Applications

Milestone specializes in providing open-source diesel generator solutions. The current configurations include three-phase industrial generators, and optional configurations can be made for different power levels, voltages, frequencies, controllers and fuel systems.

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Why Choose an Open Type Generator Set?

An open-frame design exposes the engine, alternator and control system rather than enclosing them inside a soundproof canopy.This provides several practical advantages for industrial buyers:

Easier Maintenance:

Engine components, filters, belts, batteries and other service points are more accessible for inspection and replacement.

Better Installation Flexibility:

The open structure can be integrated into a dedicated generator room, container, plant facility or customized power system.

Lower Equipment Cost:

Without the additional enclosure structure and acoustic treatment, open type generators can offer a more economical solution for applications where noise protection is not a primary requirement.

Easier Heat Management:

Open-frame installation allows the ventilation and cooling system to be designed around the customer's generator room and site conditions.

Convenient System Integration:

The base frame, control panel, fuel system and electrical output can be configured around the requirements of larger power systems.

Open vs. Enclosed

Factor	Open-Type (This Range)	Enclosed / Silent Canopy
Capital cost	Lower — No enclosure	Higher — Acoustic + Weather package
Noise	High — Needs a plant room or shelter	Low — Suitable near occupied spaces
Maintenance access	Excellent — Fully exposed components	Requires panel removal; slower routine service
Weather / outdoor	Indoor or under cover only	Outdoor-rated, weatherproof
Ventilation	Natural airflow, simpler install	Forced, ducted cooling
Best fit	Factory plant room, core of a custom canopy, rental skid, construction, mining camp	Hospitals, commercial buildings, events, residential-adjacent sites

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Open Type Generator Sets for Different Operating Environments

Construction Sites:Suitable when installed in outdoor or protected power areas. Key considerations: motor starting loads, dust/vibration, long hours, fuel autonomy, easy maintenance, and mobility between sites.

Manufacturing Plants:Used as standby or continuous power. Focus on voltage/frequency stability, load response, continuous operation, maintenance access, and plant integration.

Mining & Heavy Industry:Demanding conditions. Consider high loads, starting currents, dust, vibration, long cycles, service access, and spare parts availability.

Agricultural Operations:Powers irrigation pumps, processing, ventilation, cold storage, and farm machinery. For remote sites, fuel consumption and runtime are particularly important.

Commercial & Industrial Buildings:Installed in dedicated generator rooms where acoustic enclosure is unnecessary. Applications: backup power, HVAC, pumps, lighting, commercial equipment, and emergency systems.

Configuration That Fits Your Electrical System

An industrial generator should be configured around the customer's electrical system rather than treated as a fixed commodity product. Available options include:

Electrical Output:

50/60 Hz, single-phase/three-phase, different voltage outputs, customized control panels.

Generator Control:

Digital controller, automatic start/stop, fault protection, real-time monitoring, RS485/Modbus communication (on supported controllers).

Fuel System:

Integrated base tank, extended-capacity tank, external fuel connection.

Installation:

Customized base-frame dimensions, electrical panel layout, circuit breaker selection, project-specific mounting requirements.

How to Specify the Right Set

By duty / power tier (prime)

Power Range	Application	Recommended Models
20–100 kW	Small commercial / rental	50kW Open-frame Diesel Generator Set / Backup Diesel Generator
100–200 kW	Construction / small factory	100kW Open Frame Diesel Generator / Open Frame Three Phase Diesel Generator
200–400 kW	Industrial continuous use	250KW Cummins Generator Set / Industrial Genset Diesel Generator
400 kW+	Large EPC / mining projects	Industrial Generator / Diesel Fuel Systems Generator Set

By control tier

• Manual panel:Volt/amp/freq meters, manual start. Simple backup with an operator present.
• Digital controller (Deep Sea / ComAp / equivalent):Automatic start on mains failure (AMF), monitors oil pressure, coolant temp, battery; logs alarms.
• Paralleling controller:load sharing across multi-unit installations (large EPC, mining camps, redundancy).

Ordering Process—From Technical Requirement to Delivered Generator

Step 1 — Power Assessment

Provide your required kW/kVA, application and operating duty.

Step 2 — Electrical Confirmation

Confirm voltage, frequency, phase and control requirements.

Step 3 — Configuration

Select the engine, alternator, controller, fuel system and base-frame configuration.

Step 4 — Commercial Offer

Confirm quantity, packaging, payment and delivery terms.

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Step 5 — Production

Manufacturing and assembly proceed according to the approved configuration.

Step 6 — Factory Testing

Performance and electrical parameters are checked before shipment.

Step 7 — Export Shipment

The generator is packed and shipped according to the agreed transportation method.

Step 8 — After-Sales Support

Installation guidance, troubleshooting assistance and spare-parts support remain available after delivery.

Company strength

Milestone (Hebei Xiong'an) Technology Co., Ltd. specializes in the production and supply of diesel engine sets for industrial, infrastructure, agricultural, communication and ship applications. The company's production base is equipped with CNC processing equipment, assembly lines, and a complete engine and generator testing system, ensuring that each product undergoes strict mechanical, electrical and operational inspections before shipment.

Packaging & Shipping

Open-frame generators are prepared for international transportation with packaging selected according to equipment size and destination.

Packaging
• Steel base frame
• Export wooden packaging
• Anti-moisture protection
• Anti-corrosion protection for long-distance transport
• Customized packing for container shipment

Shipping Options
• Sea Freight — FCL/LCL for international bulk orders
• Rail Freight — Suitable for selected China-Europe and regional routes
• Air Freight — Suitable for urgent spare parts and selected smaller components
• Road Freight — Domestic and cross-border transportation
• Multimodal Transport — Combined solutions based on destination and schedule

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FAQ

Q:Is an open type generator suitable for continuous operation?

A:Yes, provided the selected model is rated and configured for prime-power operation and the installation environment meets the manufacturer's requirements.

Q:Can the voltage and frequency be customized?

A:Yes. Milestone supports 50 Hz and 60 Hz configurations and different output voltages according to the project requirements.

Q:Can I customize the fuel tank?

A:Yes. Standard and extended fuel-tank configurations can be discussed according to required runtime and installation conditions.

Q:Can you provide OEM generators for distributors?

A:Yes. OEM nameplates, logos and project-specific configurations can be discussed for qualified distributor and equipment-brand projects.

Q:Prime, standby or continuous — which do I need?

A:It depends on duty, not on the biggest number. Standby (ESP) for grid backup (~200 h/yr, no overload); Prime (PRP) for off-grid or daily running (unlimited hours, 10% overload 1 h/12 h); Continuous (COP) for constant 24/7 base load. Give us grid status, load shape and hours/year and we'll rate it correctly to ISO 8528-1.

Q:What payment terms do you offer?

A:The standard B2B payment structure is 30% T/T deposit before production and 70% balance before shipment. L/C at sight can also be discussed for qualified orders.

Q:What is the standard lead time?

A:For the standard configuration, it can usually be provided within 5 to 15 working days. However, this will depend on the order quantity and product specifications and will need to be negotiated comprehensively.For large-scale project orders, a production plan needs to be formulated after the technical specifications and quantities have been determined.

Q: What is the minimum order quantity (MOQ)?

A: MOQ varies depending on the generator configuration. We support both project-based procurement and distributor stock orders. Please contact our sales team with your specific requirements for a confirmed MOQ.

Q:Can you supply spare parts with the generator?

A:Yes. Filters, belts, water pumps, injectors, sensors, control modules and generator components can be supplied according to the equipment configuration.

Q:Can you provide factory testing before shipment?

A:Yes. Starting, voltage, frequency, control and protection functions can be tested, with load testing available when required.

As one of the most professional open-type generator set manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to wholesale advanced open-type generator set in stock here from our factory. If you have any enquiry about cooperation, please feel free to email us.