Engine Power Source

What Engine Power Source does

Engine Power Source, Inc. is a privately held, factory-authorized Kubota industrial engine and generator distributor headquartered at 348 Bryant Blvd., Rock Hill, South Carolina, operating across the southeastern United States. The company distributes new Kubota diesel and spark-ignited industrial engines ranging from 6 HP to 210 HP, mobile diesel generators from 9 kW to 45 kW, EPA Emergency Stationary ICE-compliant standby generators in 20 kW and 40 kW configurations, Kubota GL Series portable generators (GL7000, GL11000, GL14000), Tier 4 Final packaged diesel power units in 49.6, 65, and 74.3 HP, chipper power units, and Ground Support Equipment repower kits for airport baggage tractors and belt loaders. Underlying technology is Kubota diesel and gasoline engine platforms integrated with EPS's application engineering, 3D CAD modeling, and verification testing capabilities (vibration, noise, electrical, cooling, and air flow). EPS also holds factory-authorized remanufacturer status for Delphi, Denso, Stanadyne, and Zexel fuel injection components.

The company's business model combines hardware distribution of engines, generators, power units, genuine Kubota parts, overhaul kits, and remanufactured components with professional services for OEM customers, including engineering, product development, finished assembly, and long-term product lifecycle support. Pricing is predominantly quote-based; selectively disclosed unit pricing includes a $785 wheel kit and $2,295 four-wheel cart for GL Series generators, and Kubota promotional financing of 0% / 0.9% / 2.5% across 12 / 24 / 36 months is offered through Kubota tractor dealers through December 31, 2026. All sales are routed through an authorized dealer network — Full Service Dealers, Specialized Engine Parts & Service Dealers, and a Generator Retail & Service Network — with a separate dealer-facing e-commerce portal (dealer.enginepowersource.com) supporting online catalog and ordering. End-customer segments span paving and construction equipment OEMs and operators, tree care service companies, airport ground support equipment operators, facilities maintenance, mobile auxiliary power applications (bus conversions, race trailers, specialty vehicles), and stationary standby power for facilities and critical infrastructure.

Revenue is not publicly disclosed. The company operates with 101–250 employees, claims more than 30 years of industrial engine distribution experience, and self-describes as one of the largest industrial engine distributors in the United States. The legal entity is Engine Power Source, Inc., incorporated in South Carolina, with no parent company, institutional investor, or public listing disclosed.

Name

Engine Power Source

Legal name

Engine Power Source, Inc.

Website

https://enginepowersource.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

101–250 employees

Short description

Engine Power Source is a private, factory-authorized Kubota industrial engine and generator distributor serving the southeastern United States through an authorized dealer network, offering diesel engines (6–210 HP), mobile and standby generators, Tier 4 Final power units, parts, and OEM engineering services.

Ownership category

akta.pro rank

Product category

Industrial Power Generation

NAICS

Engine, Turbine, and Power Transmission Equipment Manufacturing (3336), Turbine and Turbine Generator Set Units Manufacturing (333611), Other Engine Equipment Manufacturing (333618)

SIC

Motors & Generators (3621), Engines & Turbines (3510)

akta.pro primary industry

Diesel Engine Power Plants (Medium/High-Speed Reciprocating) (EUACACAB)

akta.pro secondary industries

Emergency & Standby Diesel Generator Power (Critical Facilities) (EUACACAH), Engine Generator & Microgrid Power Plant EPC (Diesel/Gas Recip) (EUAEAAAJ)

Keywords

• Industrial diesel engines
• Diesel power generators
• Fuel injection remanufacturing
• OEM engine integration
• Engine parts distribution

Headquarters

HQ city

Rock Hill

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Industrial Engine Distribution: Distribution of new Kubota diesel and spark ignited industrial engines ranging from 6 HP to 210 HP as a factory-authorized distributor
2. Generator Sales: Sale of mobile diesel generators (9-45 kW) and standby generators (20-40 kW) as well as Kubota GL Series generators
3. Engine Parts and Overhaul Kits: Sale of genuine Kubota parts, remanufactured parts, and complete engine overhaul kits containing pistons, bearings, gaskets, valve train, oil pump, and filters
4. Remanufactured Components: Factory-authorized remanufacturer for Delphi, Denso, Stanadyne and Zexel fuel systems including alternators, starters, turbochargers, injectors and injection pumps
5. OEM Solutions: Engineering and product development, finished product assemblies, and long-term support for original equipment manufacturers
6. Service and Support: Comprehensive service support including failure analysis, factory-certified technicians, warranty service, and training

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Engine Power Source (EPS) is a factory-authorized Kubota industrial engine distributor and power generation manufacturer based in Rock Hill, South Carolina. The company distributes Kubota diesel and spark-ignited industrial engines (6–210 HP), mobile diesel generators (9–45 kW), diesel standby generators (20–40 kW), Tier 4 Final packaged diesel power units, chipper power units, and GSE repower kits. EPS also supplies engine parts, overhaul kits, remanufactured fuel injection components, and OEM engineering services including 3D CAD modeling and verification testing, with all sales routed through an authorized dealer network across the southeastern United States.

Product overview

Engine Power Source is an industrial engine distributor and manufacturer offering a comprehensive portfolio of power solutions built around Kubota engines. The core product line includes mobile diesel generators (9-45 kW) and Kubota GL Series generators (GL7000, GL11000, GL14000) for mobile and standby applications, Tier 4 Final diesel power units (49.6-74.3 HP) for OEM and repower uses, and specialized chipper power units and GSE repower kits for airport ground support equipment. The company also distributes new Kubota industrial engines (6-210 HP) and stocks genuine Kubota parts, overhaul kits, and fuel injection components. Supporting these hardware products are OEM engineering services including 3D CAD modeling and verification testing. All major products feature Kubota engine technology, and the portfolio is distributed through an authorized dealer network across the southeastern United States.

Differentiator

Problem solved

Functional benefit

Products and services

• Mobile Diesel Generators (9-45 kW) Rugged commercial-grade mobile diesel generators ranging from 9 kW to 45 kW output, compliant with EPA Tier 4 Final emissions standards, available in enclosed or open configurations for bus conversions, race trailers, specialty vehicles, and mobile applications.
• Kubota LowboyPro GL14000 14kW Generator Diesel generator providing maximum 14kW output (120/240 volts) with rated output of 12kW, powered by Kubota D902 diesel engine featuring compact size, single-side service, and low noise levels.
• Kubota Lowboy II GL11000TM 11kW Generator Space-saving diesel generator with maximum 11kW output (120/240 volts) and rated output of 10kW, powered by Kubota SUPER MINI diesel engine with compact low-body design and very low noise levels.
• Kubota Lowboy II GL7000TM 7kW Generator Compact diesel generator offering maximum 7kW output (120/240 volts) with rated output of 6.5kW, featuring low body design and low noise levels powered by Kubota SUPER MINI diesel engine.
• EPS Diesel Standby Generators (20 kW & 40 kW) Emergency stationary diesel generators in 20 kW and 40 kW configurations, compliant with EPA Emergency Stationary ICE Standards (40 CFR §63.6675), designed for permanent installation with features including coolant heater, battery charger, and 2-wire start.
• Tier 4 Final Diesel Power Units (49.6 HP, 65 HP, 74.3 HP) Packaged diesel power units available in 49.6 HP, 65 HP, and 74.3 HP configurations with or without enclosures, powered by Kubota engines meeting Tier 4 Final emissions standards for new OEM products or repower applications.
• EPS Chipper Power Units Wood chipper power units for repower and OEM applications, powered by Kubota engines in diesel (Tier 3, Tier 4 Final) and gasoline configurations, featuring rugged heavy-duty design for tree care industry applications.
• EPS Ground Support Equipment (GSE) Repower Kits Repower kits for airport ground support equipment including TUG MA and M1A Baggage Tractors and 660 Belt Loader, featuring Kubota engines with easy-install frame rail mount systems and integrated cooling system mounts.
• New Kubota Industrial Engines (6-210 HP) New Kubota diesel and spark ignited industrial engines ranging from 6 HP to 210 HP, supplied and distributed through EPS's authorized territory for thousands of installations across various industrial applications.
• Engine Parts & Overhaul Kits Wide selection of replacement parts for Kubota and Perkins engines including complete overhaul kits, fuel injection systems (Delphi, Denso, Stanadyne, Zexel), and Genuine Kubota parts distributed through the authorized dealer network.
• OEM Products & Services Comprehensive OEM support including engineering and product development, finished product assemblies, verification testing (vibration, noise, electrical, cooling), 3D CAD modeling, and long-term product lifecycle management for original equipment manufacturers.

Quantifiable outcome

• 5+ years of successful Ground Support Equipment Repower Kit installations
• +1 more outcomes

Segments7 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core and minor.

• KubotacoreChannel Partner/ Reseller/ DistributorEngine Power Source is the factory-authorized distributor for Kubota Engines, Generators and Parts with assigned territories concentrated in the southeastern United States. This is a primary partnership enabling EPS to distribute Kubota industrial diesel and gasoline engines (6 HP to 210 HP), generators, and genuine parts through the EPS dealer network.
• Tree Care Industry of America (TCIA)minorOthersTCIA logo appears on EPS chipper power unit marketing materials indicating industry association membership or endorsement for tree care equipment products.
• Delphi, Denso, Stanadyne, ZexelcoreTechnology or IntegrationFactory-authorized remanufacturer status for fuel injection systems from these leading brands. EPS stocks hundreds of fuel pumps and injectors for these brands with immediate shipment capability and exchange programs to minimize downtime.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Yancey Power Systems: Caterpillar industrial engine and generator distributor serving the southeastern US with a similar factory-authorized dealer model, making it the closest distribution-structure and geography comparable to EPS.
• Stowers Machinery (Stowers Cat): Caterpillar dealer serving Tennessee and surrounding southeastern states with industrial engines, generators, parts and service — same regional industrial-distribution playbook as EPS.
• Cleveland Brothers: Major Caterpillar industrial engine and power generation distributor in the Mid-Atlantic/Pennsylvania region with factory-authorized distribution, OEM support, and parts/service aftermarket — closely mirrors EPS's business model.
• Mustang Power Systems: Caterpillar dealer focused on industrial power generation, engine distribution, and generator sets with full dealer-service infrastructure — directly comparable factory-authorized industrial power model.
• Altorfer Power Systems: Caterpillar dealer operating industrial power generation, engine distribution, and aftermarket parts/service across the Midwest — analogous distribution-based industrial power business.
• Foley Power Systems: Caterpillar industrial engine and power generation dealer with factory-authorized distribution, OEM integration support, and full parts-and-service capabilities comparable to EPS.

Broad incumbents

• Generac Holdings: Largest US standby and portable generator manufacturer; overlaps directly with EPS's stationary standby (20-40 kW) and mobile diesel generator lines, but at much larger scale and with proprietary (non-Kubota) engine platforms.
• Cummins: Global diesel engine and generator set manufacturer with its own distribution and dealer network; competes with EPS in diesel power generation and standby applications across overlapping industrial verticals.
• Kohler Power Systems: Established manufacturer of industrial standby generators, mobile generators, and engine-based power systems — directly competitive with EPS's standby and mobile diesel generator product lines.

Emerging players

• Yanmar America: Compact diesel engine manufacturer with a growing North American distribution footprint for industrial engines and generator drives — competes in the same compact industrial diesel engine and power unit space as EPS's Kubota-based offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCJVT8RZOi3AhrFiltGGjOFw
• Facebookfacebook.com/enginepowersource
• LinkedInlinkedin.com/company/34901348

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Engine Power Source