Winchester Global

What Winchester Global does

Winchester Global Pty Ltd, trading as ProtxL, is a privately held Australian industrial filtration company that designs and manufactures the ProtxL range of patented engine oil and fuel filters. The company's core technology targets lubricant degradation by continuously removing contaminants, oxidation by-products, moisture, and microscopic particles, with the stated objective of extending oil service life, reducing maintenance frequency, lowering equipment downtime, and reducing waste oil generation. Product variants include spin-on oil filters rated for 6–3,000 Hp diesel engines and hydraulics, complementary diesel fuel filters, and the Engine Green oil filter line for petrol vehicles. Manufacturing is conducted at a Vietnam facility with projected annual capacity of approximately 200,000 spin-on oil filters, while operational and registered offices sit in East Victoria Park and Perth, Western Australia respectively. ProtxL holds global patents covering its filtration systems and trade name protection for the ProtxL brand.

The company operates a consultative enterprise sales model targeting commercial fleet operators, marine operators, mining and heavy industry, military and government buyers, and heavy equipment users. Named reference customers include the United States Military, Australian Navy, Fortescue Metal Group, Fiat Chrysler Automobiles, MG Kailis Pty Ltd, and Com-Al Windows Pty Ltd. The company cites over 27 years of industry service experience and more than 20 years of specialised filtration expertise, and quantifies customer outcomes such as 50,000 km extended oil service in FCA testing and 3,000–5,500 hour engine operating intervals in marine deployments. Revenue mechanics consist of hardware sales of ProtxL filters and filtration technology consulting services; specific pricing is not publicly disclosed and is accessed via account registration. Marketing activity is lightweight — a content website, email newsletter, and Facebook page — and the company explicitly solicits interest in 'investment opportunities' through its contact channel, indicating it is positioning for capital raising to fund scale.

The business is run with a very lean team of 1-10 employees, has no disclosed funding rounds, no public management team, no reported revenue, and no AI/ML or software product component. Its strategic posture combines patented core technology, marquee-reference enterprise and military customers, low-cost Vietnam manufacturing, and active solicitation of investment capital to convert existing credibility into scaled commercial volume.

Name

Winchester Global

Legal name

Winchester Global Pty Ltd

Website

https://protxl.com.au

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Winchester Global (ProtxL) is an Australian privately-held manufacturer of patented engine oil and fuel filters, serving military, marine, mining, heavy equipment, and commercial fleet operators globally from a Vietnam production base.

Ownership category

akta.pro rank

Product category

Industrial Filtration Equipment

NAICS

Oil and Gas Field Machinery and Equipment Manufacturing (333132)

SIC

Special Industry Machinery, Nec (3559), Wholesale-Industrial Machinery & Equipment (5084)

akta.pro primary industry

Separation & Filtration Equipment (Filters, Centrifuges, Membranes) (IMAHAEAB)

akta.pro secondary industries

Filtration, Condition Monitoring & Fluid Management (Filters, Breathers, Oil Analysis, Cooling) (IMAHAGAL), Fuel & Emissions Systems for Propulsion (Fuel supply, SCR, EGR, exhaust aftertreatment) (IMAJAHAK), Lubrication, Oil Analysis & Tribology Services (EUAEAKAI)

Keywords

• Engine oil filtration
• Fuel filtration systems
• Spin-on oil filters
• Industrial filtration equipment
• Diesel engine filtration

Headquarters

HQ city

Canberra

HQ country

Australia

HQ region

Oceania

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Revenue model

1. Oil and Fuel Filter Sales: Sale of proprietary ProtxL oil filtration and fuel filter products for commercial, military, marine, and industrial applications. Products include spin-on oil filters for diesel engines ranging from 6-3000Hp and associated fuel filtration systems.
2. Filtration Technology Consulting: Expert consultancy services in filtration technology to optimize customer operations, with tailored insights for specific company needs.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Winchester Global Pty Ltd (trading as ProtxL) designs and manufactures advanced oil and fuel filtration products, primarily spin-on oil filters and fuel filtration systems for diesel engines ranging from 6 to 3,000 horsepower. The products serve commercial fleets, military, marine, mining, and heavy equipment applications, with proprietary filtration technology focused on continuous contaminant removal to extend oil service life. Manufacturing is conducted in Vietnam while the company is headquartered in Australia.

Product overview

Winchester Global Pty Ltd trading as ProtxL is an Australian company specializing in advanced oil filtration technology. The product portfolio consists of ProtxL Engine Oil Filters, ProtxL Fuel Filters, Engine Green Oil Filters (for petrol vehicles), and Spin-on Oil Filters—all designed to improve engine performance, reduce operational costs, minimize maintenance downtime, and reduce global waste oil generation. The products target commercial, industrial, marine, military, and heavy equipment sectors, with applications ranging from 6 to 3000Hp diesel engines and hydraulics.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Potential reduction in global waste oil generation by up to 30%
• +3 more outcomes

Named customers8 records

Segments4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators5 records

Recent moves4 records

Expansion highlights5 records

Direct peers

• WIX Filters: Manufacturer of oil, air, fuel and cabin filters for automotive and heavy-duty applications. Comparable to ProtxL as a drop-in spin-on filter supplier targeting commercial fleets and industrial customers.
• MANN+HUMMEL: Global leader in filtration for automotive, industrial and life sciences applications. Directly comparable to ProtxL as a specialist in oil, fuel and air filtration with drop-in product formats serving commercial vehicles, heavy equipment and industrial customers.
• Cummins Filtration (Fleetguard): Filtration division of Cummins, supplying oil, fuel and coolant filters for diesel engines in commercial vehicles, marine and mining. Directly comparable to ProtxL given overlapping product range and customer verticals.
• Donaldson Company: Major manufacturer of filtration systems for diesel engines, industrial equipment and OEM applications. Directly comparable to ProtxL across oil, fuel and liquid filtration for heavy-duty and industrial end-markets.
• Baldwin Filters: Manufacturer of heavy-duty oil, fuel, air and hydraulic filters for commercial trucks, agricultural, construction and mining equipment. Directly comparable to ProtxL on product format (spin-on filters) and target verticals.
• Hengst: Family-owned filtration specialist producing oil, fuel and air filters for automotive and industrial applications. Comparable to ProtxL as a focused filtration manufacturer with drop-in product formats serving commercial and industrial customers.

Broad incumbents

• Parker Hannifin: Diversified motion and control technologies company with a substantial filtration and fluid conditioning portfolio serving aerospace, automotive and industrial markets. Comparable to ProtxL on the industrial filtration and condition monitoring axis, though as part of a much broader portfolio.
• Mahle: Global automotive supplier with engine and filtration components for passenger cars and commercial vehicles. Comparable to ProtxL on engine oil and fuel filtration products, but operating at much larger scale across broader automotive systems.
• Bosch: Global supplier of automotive and industrial technology, including oil and fuel filtration products within its mobility solutions portfolio. Comparable to ProtxL on filtration products for diesel and petrol engines, though as one of many automotive product lines.

Others

• Caterpillar: OEM of heavy mining and construction equipment that is both a major consumer and channel for heavy-duty filtration products. Relevant to ProtxL as a potential OEM partner or competitor in the mining and heavy equipment vertical.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/profile.php?id=61575586090129
• LinkedInlinkedin.com/company/protxl-africa-pty-ltd

Compliance1 record

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 Winchester Global