Diesel Engine Specialists
Diesel Engine Specialists is a Beloit, Wisconsin-based e-commerce retailer that sells new and used diesel engines and surplus parts from Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo to heavy-equipment owners and operators in the US and Canada.
- Company typePrivate
- Founded1994
- HeadquartersBeloit, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Diesel Engine Specialists does
Diesel Engine Specialists, Inc. is a privately held e-commerce retailer based in Beloit, Wisconsin that sells new and used diesel engines and surplus parts from major heavy-equipment manufacturers including Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo. The company operates a direct-to-consumer website (dieselenginepro.com) with a shopping cart, RFQ-based quoting, and phone-based sales support (608-313-3030), and it maintains an inventory of components from more than 20 brands including Baldwin, Donaldson, Koyo, NSK, and Timken. It also offers component rebuild and heavy equipment repair services, citing 30+ years of industry experience dating to its founding around 1994.
The business is organized around two transactional revenue streams: one-time sales of complete diesel engines and one-time sales of parts and rebuild components, both priced via request-for-quote rather than fixed list pricing. Distribution is domestic to US and Canadian customers, with shipping and return policies accommodating both markets. The company has no disclosed parent, subsidiaries, M&A activity, fundraising, or institutional backing, consistent with an independent, owner-operated model in a niche industrial aftermarket vertical serving heavy-equipment owners and operators needing replacement engines and parts.
Diesel Engine Specialists firmographics
Firmographics- Name
- Diesel Engine Specialists
- Legal name
- Diesel Engine Specialists, Inc.
- Website
- https://dieselenginepro.com
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Diesel Engine Specialists is a Beloit, Wisconsin-based e-commerce retailer that sells new and used diesel engines and surplus parts from Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo to heavy-equipment owners and operators in the US and Canada.
- Ownership category
- akta.pro rank
Diesel Engine Specialists industry classification
Industry- Product category
- Diesel Engines and Aftermarket Parts
- NAICS
- Motor Vehicle Parts (Used) Merchant Wholesalers (42314), Motor Vehicle Gasoline Engine and Engine Parts Manufacturing (33631)
- SIC
- Wholesale-Motor Vehicle Supplies & New Parts (5013), Wholesale-Motor Vehicles & Motor Vehicle Parts & Supplies (5010)
- akta.pro primary industry
- Diesel Engine Repair, Overhaul & Remanufacturing (TLAKABAB)
- akta.pro secondary industries
- Mechanical replacement parts distribution (engine, drivetrain, steering, suspension, brakes) (CRAOANAA), Engines (Diesel/Gasoline/Natural Gas) Rebuild & Remanufacturing (TLAKALAA)
Keywords
Where Diesel Engine Specialists is headquartered
LocationHeadquarters
- HQ city
- Beloit
- HQ country
- United States
- HQ region
- North America
Markets served
Diesel Engine Specialists business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Marketing or Sales, Personnel
Revenue model
- Diesel Engine Sales: One-time sales of diesel engines including Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo models. Engines are sold as complete units with no recurring revenue component.
- Parts Sales: Sales of surplus diesel engine parts from multiple manufacturers including filters, bearings, turbos, pumps, and components. One-time transactional purchases through the website.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Quote-based pricing for all products |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Diesel Engine Specialists product offering
Product offeringCore offering
Diesel Engine Specialists sells new and used diesel engines and surplus aftermarket parts from major manufacturers including Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo through an e-commerce website. The company also offers component rebuild services for heavy equipment, leveraging more than 30 years of industry experience. Customers browse inventory online, request quotes via RFQ forms, and complete purchases through a shopping cart system with phone sales support.
Product overview
Diesel Engine Specialists is a diesel engine and parts e-commerce company offering new and used diesel engines from Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo manufacturers, along with a comprehensive surplus parts inventory from over 20 OEM brands. The company also provides component rebuild services with 30+ years of experience in heavy equipment repair. The core product portfolio consists of diesel engines (both full units and exchange cores) and the parts inventory system, which together serve customers needing engine replacements and maintenance parts for heavy equipment.
Differentiator
Problem solved
Functional benefit
Products and services
- Diesel Engines (Caterpillar, Cummins, Detroit Diesel, John Deere, Volvo)
Companies that use Diesel Engine Specialists
Customer profileSegments1 record
Ideal customer profiles1 record
Diesel Engine Specialists technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Diesel Engine Specialists partnerships and signals
Strategic signalScale indicators1 record
Recent moves3 records
Expansion highlights2 records
Diesel Engine Specialists competitors and assessment
Company assessmentBroad incumbents
- Dorman Products: Dorman Products is a major manufacturer and supplier of aftermarket automotive and heavy-duty replacement parts. While not a direct competitor in engine resale, Dorman operates in the same diesel/heavy-duty aftermarket parts ecosystem that Diesel Engine Specialists serves.
- Genuine Parts Company (NAPA Heavy Duty): Genuine Parts Company operates the NAPA distribution network including NAPA Heavy Duty, which distributes diesel and heavy-duty truck parts across North America. It is a broad incumbent competitor to smaller independent diesel parts resellers like Diesel Engine Specialists.
- FleetPride: FleetPride is a major heavy-duty truck parts distributor with hundreds of locations across North America. It competes broadly with Diesel Engine Specialists in the aftermarket parts space but operates at significantly greater scale and with a larger commercial-truck focus.
- Standard Motor Products: Standard Motor Products manufactures and distributes aftermarket automotive replacement parts (engine, electrical, fuel system components). It operates broadly across the motor vehicle aftermarket and is a comparable parts distributor on the manufacturing side.
- WheelTime Network (TruckPro): TruckPro/WheelTime is a national heavy-duty aftermarket parts distributor with extensive branches across the U.S. It is a broader incumbent in the same diesel parts category as Diesel Engine Specialists, but with physical retail and broader product lines.
Direct peers
- Diesel Power Products: Diesel Power Products sells remanufactured diesel engines and parts for Dodge, Ford, and GM diesel applications. While skewed toward pickup engines, it competes in the same online diesel engine and parts resale market as Diesel Engine Specialists.
- Surplus Tractor Parts: Surplus Tractor Parts distributes new and surplus OEM diesel engine parts (John Deere, Kubota, Massey Ferguson, etc.) online. It mirrors Diesel Engine Specialists' surplus parts distribution across multiple heavy-equipment and tractor brands.
- HHP (Highway and Heavy Parts): HHP is a heavy-duty truck parts distributor selling engines, transmissions, and aftermarket parts online. It overlaps directly with Diesel Engine Specialists on diesel engine sales and parts distribution for commercial and industrial diesel platforms.
- RPM Diesel Engines: RPM Diesel Engines sells new, used, and remanufactured diesel engines and parts from major OEMs (Caterpillar, Cummins, Detroit Diesel, Volvo) via e-commerce, directly comparable to Diesel Engine Specialists' multi-brand engine and parts resale model.
Emerging players
- Heavy Duty Trucking / Trucker To Trucker marketplace: Trucker To Trucker operates an online marketplace for buying and selling used trucks and heavy equipment, including diesel engines and parts. It is an emerging channel that competes with traditional resellers like Diesel Engine Specialists for used diesel engine inventory.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat2 records
Key risks6 records
Key highlights7 records
Customer concentration
Diesel Engine Specialists social profiles
Digital presenceDiesel Engine Specialists financial estimates
Financial estimateRevenue estimate
Valuation estimate
Diesel Engine Specialists leadership team
Management profileNumber of profiles
Diesel Engine Specialists funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Diesel Engine Specialists M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Diesel Engine Specialists
What does Diesel Engine Specialists do?
Diesel Engine Specialists sells new and used diesel engines and surplus aftermarket parts from major manufacturers including Caterpillar, Cummins, Detroit Diesel, John Deere, and Volvo through an e-commerce website. The company also offers component rebuild services for heavy equipment, leveraging more than 30 years of industry experience. Customers browse inventory online, request quotes via RFQ forms, and complete purchases through a shopping cart system with phone sales support.
Is Diesel Engine Specialists a public or private company?
Diesel Engine Specialists is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Diesel Engine Specialists founded?
Diesel Engine Specialists was founded in 1994. It employs 11 to 50 people.
Where is Diesel Engine Specialists based?
Diesel Engine Specialists is headquartered in Beloit, United States, in the North America region.
How does Diesel Engine Specialists make money?
Two revenue lines are on record. Diesel Engine Sales are the primary driver. The others are parts Sales.
Who are Diesel Engine Specialists's main competitors?
Broad incumbents on record are Dorman Products, Genuine Parts Company (NAPA Heavy Duty), FleetPride, Standard Motor Products and WheelTime Network (TruckPro). Direct peers are Diesel Power Products, Surplus Tractor Parts, HHP (Highway and Heavy Parts) and RPM Diesel Engines. Heavy Duty Trucking / Trucker To Trucker marketplace is listed as an emerging player.
Does Diesel Engine Specialists have an API?
No public API is recorded for Diesel Engine Specialists.
What industry is Diesel Engine Specialists in?
Diesel Engine Specialists's product category is Diesel Engines and Aftermarket Parts. Its primary akta.pro industry code is TLAKABAB, Diesel Engine Repair, Overhaul & Remanufacturing, with a secondary code of CRAOANAA, Mechanical replacement parts distribution (engine, drivetrain, steering, suspension, brakes). Its NAICS code is 42314 and its SIC code is 5013.