When the lights go out, your business can’t afford to wait. Choosing the right 400 kW standby generator supplier can mean the difference between seamless operations and costly downtime—but with so many factories and manufacturers out there, how do you know which one to trust? Finding the perfect partner isn’t just about power; it’s about reliability, support, and peace of mind. Let’s cut through the noise.

In this article, we’ll compare the top suppliers, highlight what sets them apart, and help you make a confident decision. Ready to discover your best backup plan? Let’s dive in!

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Industrial Generator | 400kW Gaseous 21.9L | SG400 | Generac

Product Details:
The Generac SG400 is a 400kW stationary industrial generator powered by a robust 21.9L engine, designed for reliable standby and prime power generation using natural gas or LP fuel options.

Technical Parameters:
– 400kW power output
– 21.9L displacement engine
– Available for both natural gas and LP (liquid propane) fuels
– Stationary, industrial-grade design

Application Scenarios:
– Backup power for industrial facilities
– Prime power for commercial establishments
– Standby power for critical infrastructure such as hospitals, data centers, and

Pros:
– High power output (400kW) suitable for large-scale industrial and commercial
– Dual-fuel capability (natural gas and LP) provides operational flexibility
– Reliable stationary design for continuous or emergency power supply

Cons:
– Large physical footprint may require considerable space for installation
– Primarily intended for stationary use; lacks portability

400kW Generators For Sale – Browse Our 350kW – 450kW Inventory

Product Details:
The company offers 400kW generators for sale within a 350kW – 450kW inventory range. The product catalog includes both new and used generator sets, featuring diesel and natural gas options, as well as marine and portable generators. Additional accessories, engines, generator ends, and parts are also available.

Technical Parameters:
– 400kW power output range (350kW – 450kW considered)
– Available in diesel, natural gas, marine, and portable configurations
– Options for new and used generators
– Accessory options include breakers, enclosures, fuel tanks, load banks,

Application Scenarios:
– Industrial and commercial power generation
– Marine applications
– Portable power for temporary or remote locations
– Backup and emergency power for businesses

Pros:
– Wide selection of generator sizes and fuel types
– Offers both new and used equipment to meet various budgets
– Comprehensive accessory and part support
– Recognized as one of America’s 100 Most Promising Companies

Cons:
– No detailed technical specifications (such as dimensions, weight, or fuel
– Application guidance and configuration support details are not specified

BLUE STAR Power Systems 400KW Gaseous Generator | NG400-01

Product Details:
BLUE STAR Power Systems 400KW Gaseous Generator, model NG400-01, is a highly engineered generator system designed to meet standard or customized customer specification requirements. Manufactured in the USA and available through Brags & Hayes Generators.

Technical Parameters:
– 400KW power rating
– Gaseous fuel type (natural gas)
– Made in USA
– Model: NG400-01

Application Scenarios:
– Commercial or industrial power generation
– Facilities requiring a high-capacity backup generator
– Environments needing customized generator solutions

Pros:
– Customizable to meet unique project specifications
– Manufactured in the USA, ensuring high quality
– Suitable for applications needing a high power output

Cons:
– Limited information on specific features or included components
– No pricing information provided

400 kW 500 kVA Diesel Generator – D400U IV | General Power

Product Details:
The D400U-IV SDMO Kohler is a diesel-powered generator with a power output of 400 kW / 500 kVA, designed for reliable backup or prime power supply in various settings.

Technical Parameters:
– Prime Power: 400 kW / 500 kVA
– Engine: KOHLER model listed (Diesel)
– Frequency: 60 Hz
– Voltage: Multiple options (commonly 208/240/480V)

Application Scenarios:
– Industrial facilities requiring backup or continuous power
– Hospitals or healthcare facilities as emergency power supply
– Construction sites for temporary power needs
– Backup power for data centers or commercial buildings

Pros:
– Reliable and robust performance for critical applications
– Diesel engines known for longevity and fuel efficiency
– KOHLER and SDMO brands recognized for quality in power generation
– Flexible voltage options to meet different operational requirements

Cons:
– Requires diesel fuel, leading to ongoing operational costs
– Large physical footprint compared to smaller or portable units

400 kW Generators – T&T Power Group

Product Details:
T&T Power Group offers 400 kW generators, available in various configurations such as diesel, natural gas, standby, prime, continuous, combined heat & power, towable, and used generators. Related accessories like fuel tanks and light towers are also available.

Technical Parameters:
– Power output: 400 kW
– Generator types include: Natural Gas, Diesel, Standby, Prime, Continuous,

Application Scenarios:
– Backup power for commercial and industrial facilities
– Prime or continuous power solutions for remote or off-grid operations
– Heat and power applications with combined heat & power generators
– Temporary or mobile power needs using towable generators

Pros:
– Wide range of generator types and configurations
– Options for both new and used equipment
– Support for related equipment such as fuel tanks and light towers
– Comprehensive service and rental options available

Cons:
– Specific technical specifications (e.g., dimensions, emissions, fuel
– Pricing and availability not clearly listed

Winco DR400V4 Standby Generator (3PH, 400kW) – SteadyPower.com

Product Details:
The Winco DR400V4 is a 3-phase, 400kW standby generator offered by SteadyPower.com, suitable for industrial backup power applications.

Technical Parameters:
– 3-phase output
– 400 kW power capacity

Application Scenarios:
– Oil field operations
– Construction sites
– Disaster relief

Pros:
– High power output suitable for industrial and commercial uses
– Applicability in critical infrastructure and emergency scenarios

New Caterpillar C13 400KW Tier 3 Diesel Generator Set

Product Details:
Caterpillar C13 400kW Stand-By Generator Set, Item 20142, offered by Depco Power Systems. Designed for standby power applications, using a Caterpillar C13 diesel engine and Caterpillar branded generator end. Includes sound-attenuated enclosure and automatic transfer switch options.

Technical Parameters:
– Manufacturer: Caterpillar
– Model: C13
– Power Output: 400 kW Stand-By
– Fuel Type: Diesel
– Voltage: 277/480V
– Hours: 0 (unused/back-up generator)
– Enclosure: Sound-attenuated
– Includes: Radiator, PMG, EMCP 4.2 Control Panel

Application Scenarios:
– Emergency backup power for commercial buildings
– Stand-by power for industrial facilities
– Power solutions for data centers during outages
– Critical infrastructure support during utility failures

Pros:
– Brand new, unused generator with 0 hours
– Reputable Caterpillar reliability and availability of parts
– Sound attenuation for quieter operation
– Comes with advanced control panel for monitoring and operation

Cons:
– Designed for standby (not continuous) use
– Large physical size requires significant installation space

Shop 400 kW – 600 kW Diesel Generators | 450 kW Available

Product Details:
400 kW to 600 kW diesel generators available, with a specific mention of 450 kW models. Products can be filtered by power rating, manufacturers, type (open skid, super silent enclosed), phase, frequency, certification, application, and destination. Same day shipping is offered on all stocked products.

Technical Parameters:
– Power range: 400 kW – 600 kW (including 450 kW)
– Fuel type: Diesel
– Available in single-phase or three-phase configurations
– Available in 50 Hz or 60 Hz frequency options

Application Scenarios:
– Standby power supply
– Commercial and industrial facilities
– Rental power applications
– Regional or export use (USA, Caribbean, Latin America, Africa, Europe, Asia)

Pros:
– Large selection by leading manufacturers (Cummins, Perkins, John Deere, Kohler,
– Same day shipping for stocked units
– Flexible by power ratings, phases, type, frequency, application, and destination
– Special dealer discounts available

Cons:
– No detailed technical specifications (e.g., dimensions, fuel consumption,
– Product availability for some power ratings or models may vary
– Detailed pricing not directly shown online

MQ 400SSV Super Silent 400 kVA Diesel Generator

Product Details:
Red-D-Arc’s LN-25 PRO Wire Feeder is a portable, semi-automatic wire feeder designed for multiple welding processes, especially where mobility and ruggedness are required. It is commonly used with various welding power sources for MIG (GMAW) and flux-cored (FCAW) welding.

Technical Parameters:
– Supports GMAW (MIG) and FCAW (Flux-cored) welding processes
– Input Power: 15-110 VDC
– Wire feed speed: 50-700 IPM
– Wire size capacity: .023 – 5/64 in. (0.6 – 2.0 mm)

Application Scenarios:
– Construction sites
– Pipeline welding
– Shipbuilding and repair
– General fabrication environments requiring portability

Pros:
– Rugged, enclosed design for harsh job site conditions
– Lightweight and portable for increased mobility
– Easy to set up and operate with digital meters

Cons:
– Requires compatibility with specific welding power sources
– Limited to welding processes supported by feeder capabilities

Gillette 400kW Tier 4 Final Prime Diesel Industrial Generator T4D-4000

Product Details:
Gillette 400kW Tier 4 Final Prime Diesel Industrial Generator T4D-4000 offered by Colorado Standby. It is a high-capacity diesel generator designed primarily for industrial and commercial use, conforming to strict EPA Tier 4 Final emissions standards.

Technical Parameters:
– 400kW power output
– Diesel-fueled engine
– Tier 4 Final EPA emissions compliant
– Prime (continuous) power rated

Application Scenarios:
– Commercial and industrial facilities requiring reliable backup or prime power
– Off-grid applications or remote job sites
– Emergency or storm power backup
– Large events or temporary power needs

Pros:
– High power output suitable for demanding industrial applications
– Meets strict Tier 4 Final emissions standards, reducing environmental impact
– Prime-rated for continuous operation in critical scenarios
– Backed by Colorado Standby’s service and support

Cons:
– Potential price fluctuations due to tariffs and supplier increases
– May require significant space for installation
– Diesel generators have ongoing fuel and maintenance requirements

Comparison Table

Company	Product Details	Pros	Cons	Website
Industrial Generator	400kW Gaseous 21.9L	SG400	Generac	The Generac SG400 is a 400kW stationary industrial generator powered by a
400kW Generators For Sale – Browse Our 350kW – 450kW Inventory	The company offers 400kW generators for sale within a 350kW – 450kW inventory	Wide selection of generator sizes and fuel types Offers both new and used	No detailed technical specifications (such as dimensions, weight, or fuel	www.wpowerproducts.com
BLUE STAR Power Systems 400KW Gaseous Generator	NG400-01	BLUE STAR Power Systems 400KW Gaseous Generator, model NG400-01, is a highly	Customizable to meet unique project specifications Manufactured in the USA,	Limited information on specific features or included components No pricing
400 kW 500 kVA Diesel Generator – D400U IV	General Power	The D400U-IV SDMO Kohler is a diesel-powered generator with a power output of	Reliable and robust performance for critical applications Diesel engines known	Requires diesel fuel, leading to ongoing operational costs Large physical
400 kW Generators – T&T Power Group	T&T Power Group offers 400 kW generators, available in various configurations	Wide range of generator types and configurations Options for both new and used	Specific technical specifications (e.g., dimensions, emissions, fuel	www.ttpowergroup.com
Winco DR400V4 Standby Generator (3PH, 400kW) – SteadyPower.com	The Winco DR400V4 is a 3-phase, 400kW standby generator offered by SteadyPower	High power output suitable for industrial and commercial uses Applicability in		steadypower.com
New Caterpillar C13 400KW Tier 3 Diesel Generator Set	Caterpillar C13 400kW Stand-By Generator Set, Item 20142, offered by Depco	Brand new, unused generator with 0 hours Reputable Caterpillar reliability and	Designed for standby (not continuous) use Large physical size requires	www.depco.com
Shop 400 kW – 600 kW Diesel Generators	450 kW Available	400 kW to 600 kW diesel generators available, with a specific mention of 450 kW	Large selection by leading manufacturers (Cummins, Perkins, John Deere, Kohler,	No detailed technical specifications (e.g., dimensions, fuel consumption,
MQ 400SSV Super Silent 400 kVA Diesel Generator	Red-D-Arc’s LN-25 PRO Wire Feeder is a portable, semi-automatic wire feeder	Rugged, enclosed design for harsh job site conditions Lightweight and portable	Requires compatibility with specific welding power sources Limited to welding	www.red-d-arc.com
Gillette 400kW Tier 4 Final Prime Diesel Industrial Generator T4D-4000	Gillette 400kW Tier 4 Final Prime Diesel Industrial Generator T4D-4000 offered	High power output suitable for demanding industrial applications Meets strict	Potential price fluctuations due to tariffs and supplier increases May require	www.coloradostandby.com

Frequently Asked Questions (FAQs)

1. What should I look for when choosing a 400 kW standby generator supplier?

Focus on suppliers with proven experience, strong technical support, aftersales service, and the necessary certifications (such as ISO or CE). Check their track record, manufacturing quality, and ability to meet your specific requirements.

2. How can I verify the reliability of a manufacturer?

Look for customer reviews, request references, and ask for case studies or project portfolios. Visiting the factory (in person or virtually) and reviewing service agreements also provide insight into their reliability and professionalism.

3. Are custom solutions available for specific site requirements?

Many reputable suppliers offer customization, including control systems, soundproofing, and tailored enclosures. Discuss your site’s unique needs with potential suppliers to ensure they can provide a generator that fits your application.

4. What factors impact the price of a 400 kW standby generator?

Pricing depends on engine brand, alternator quality, fuel type, customization options, shipping costs, and aftersales service packages. Always compare quotes based on specifications and included services, not just the base price.

5. How long does it typically take to receive a 400 kW generator after ordering?

Lead times vary by manufacturer and customization level, but generally range from 4 to 12 weeks. Discuss delivery timelines early in the process and confirm expectations in your contract before placing an order.