What Weldmart-Online does

Weldmart-Online LLC is a privately held specialty parts manufacturer and repair service based in Cleveland, Texas, focused on legacy Lincoln and Miller engine-drive welders — primarily the Lincoln SA200, SA250, Classic series, and Miller Big 40 — that have been obsoleted by their original manufacturers. The company manufactures and sells superior aftermarket replacement parts (rewound DC armatures, proprietary shunt coils on injection-molded bobbins, all-copper exciter coils, Centurion idler PC boards, rheostats, electronic ignition upgrade kits, and air filters) using copper windings and epoxy coatings that explicitly outperform the OEM's original aluminum wire and paper insulation. Weldmart also operates an in-shop rewinding service where customers ship cores (armatures, exciter frames) for hand-wound rebuilds, and supports every sale with unlimited free telephone technical support.

The business operates almost entirely through direct-to-consumer e-commerce on weldmart.com, ships standard ground freight paid to continental US addresses, accepts dealer inquiries for B2B resellers, and lists select products on Amazon via affiliate links. Products range from $35 consumable kits to $3,500 rewound main armatures, with 10-year over-the-counter warranties and lifetime warranties when parts are installed in-shop. Pricing is unit-based, pay-as-you-go, with core exchange programs for rewound components. The company has 11-50 employees, no external funding, and is led by a founder with over 50 years of industry experience (active since 1971). The strategic moat rests on proprietary product designs, deep domain expertise, and a comprehensive content library widely regarded as the most complete collection of SA200 troubleshooting information on the web.

Name

Weldmart-Online

Legal name

Weldmart-Online LLC

Website

https://weldmart.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Welding Equipment Aftermarket Parts & Repair

NAICS

Welding and Soldering Equipment Manufacturing (333992), Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance (8113), Metal Service Centers and Other Metal Merchant Wholesalers (423510)

SIC

Wholesale-Industrial Machinery & Equipment (5084), Services-Miscellaneous Repair Services (7600), Wholesale-Machinery, Equipment & Supplies (5080)

akta.pro primary industry

Welding, Joining & Soldering Equipment (Arc, Resistance, Friction, Brazing) (IMAHADAH)

Keywords

• Welder replacement parts
• Armature rewinding services
• Aftermarket welding parts
• Engine drive welder repair
• Lincoln welder components

Headquarters

HQ city

Cleveland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aftermarket Welder Parts Sales: Sale of replacement parts for Lincoln SA200, SA250, Classic series, and Miller welders. Products include rewound armatures, shunt coils, exciter coils, rheostats, idler PC boards, electronic ignition kits, air filters, oil filters, and consumables. One-time purchase items sold over-the-counter and online.
2. Rewinding and Repair Services: In-shop services including rewinding of DC armatures, stator repairs, and coil installations. Customer ships cores (armature, exciter frame, stator housing) to the shop for repair. Shop warranty extends to lifetime for original purchaser on installed parts.
3. Technical Information and Support: Free unlimited telephone technical support provided for all products sold and for general troubleshooting of Lincoln/Miller welders. Also drives product sales by establishing trust and expertise.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Weldmart-Online is an online direct-to-consumer parts and repair service for legacy Lincoln SA200/SA250/Classic series and Miller engine-drive welders. The company manufactures and sells proprietary aftermarket replacement parts (rewound DC armatures, shunt coils, exciter coils, idler PC boards, rheostats, electronic ignition kits, MIG/plasma consumables), and provides in-shop rewinding and repair services backed by 10-year over-the-counter and lifetime-when-installed warranties. Unlimited free telephone technical support is offered for every product and for general troubleshooting of Lincoln/Miller welders.

Product overview

Weldmart-Online LLC is a welding machine parts and repair service specializing in Lincoln SA200 Pipeliner welders and related legacy welding equipment. The company offers a comprehensive portfolio of replacement parts (DC Exciter Coils L8707, Shunt Coils, Rheostats), rewound components (Main Armatures, AC Exciter Brackets), and upgrade kits (Electronic Ignition Kits for F-162/F-163 engines, Ezze Idler Upgrade, Centurion Idle PC Board). They support multiple machine models including Lincoln SA-200, SA-250, Classic Series (1, 2, 3, 300D), Miller Big 40, and Miller Millermatic 35. Their products focus on superior aftermarket alternatives to obsolete OEM parts, using copper windings and epoxy coating rather than original aluminum wire with paper insulation. Technical support and installation services are provided with various warranty options.

Differentiator

Problem solved

Functional benefit

Products and services

• SA200 Rewound Main Armature Hand-wound 300-amp rewound DC main armature for Lincoln SA200 welders, made in America with lifetime warranty when installed in shop; priced at $3,500 per unit with core charge.
• Lincoln AC Exciter Bracket L6061-RB (Rewound) Rewound AC exciter frame for Lincoln engine-drive welders with auxiliary AC power; fits all L6061-XXX designs, comes with 5-year warranty, priced at $3,000 per unit with core exchange required and Weldmart-paid return freight.
• Lincoln DC Exciter Coils L8707 Replacement DC exciter coils for Lincoln SA200/SA250 welders using all-copper sealed windings with epoxy coating instead of original aluminum wire and paper insulation; 10-year over-the-counter warranty, lifetime warranty when installed in shop, priced at $695 per set.
• Advanced Replacement Shunt Coils for SA200 Octagonal Barrel Replacement shunt coils for SA200 octagonal barrel welders, wound on rigid industrial plastic one-piece proprietary bobbin with copper wire, 10-year over-the-counter warranty extending to lifetime when installed in shop, priced at $750 per set.
• Advanced Shunt Coils for SA250-TMD Replacement shunt coils for Lincoln SA250-TMD with code numbers 9672, 9673, and 9834; uses copper wire on proprietary plastic bobbin instead of original aluminum wire on sheet metal with paper insulation; 10-year over-the-counter warranty, lifetime when installed in shop, priced at $850 per set.
• Rewound Lincoln DC Armatures Rewound DC exciter armatures for Lincoln welders using hand-wound process including core inspection, baking at 600°F, sandblasting, clear-coating with insulation, hand winding, commutator machining, high-temp insulation dipping, baking, and final red epoxy coat; 10-year warranty, priced at $1,250 per unit with core charges and 5-7 working day turnaround after receiving core.
• F-163 Electronic Ignition Kit Electronic ignition retrofit kit for Lincoln SA-200 welders with Continental F-163 engine; includes distributor, coil, spark plug wires, mounting hardware, and installation instructions; SKU RTS-3300, priced at $625.50 with unlimited lifetime telephone technical support and paid ground freight to continental US.
• Reliable Ezze Electronic Engine Upgrade Kit for F-162 Advanced distributor ignition system upgrade kit for Lincoln SA200 with Continental F-162 engines; includes Pertronics electronic distributor, high-voltage ignition coil with external resistor, mounting bracket, complete installation instructions, custom coil mounting bracket, high-temperature auto shutdown switch, oil pressure switch, and lifetime-warranty spark plug wires; part number RTS-3310 with unlimited lifetime telephone technical support.
• Weldmart EZZE Idler Upgrade Kit Electronic idler upgrade kit for Lincoln SA200 welders with Continental F162 and F163 engines, and Miller Big 40 G and Trailblazer 44G; includes all stainless-steel linkage, oil pressure sensor, and hi/lo switch; replaces vacuum and PC board idler systems; priced at $395.50 with ground freight paid.
• Lincoln Classic II Upgrade Idler System Upgrade idler system for Lincoln Classic II with Deutz engine; includes isolation relay that protects the Lincoln PC board from solenoid overload; replaces obsolete Lincoln solenoid; priced at $325 per unit.
• SA250 New Idle Solenoid Upgrade for 3.152 Perkins New idle solenoid upgrade for Lincoln SA-250 Perkins 3.152 engines; replaces obsolete Lincoln solenoid P/N S17253 and M13394; features totally enclosed design with permanent internal lubrication and isolation relay to protect the Lincoln PC board's sacrificial transistor; priced at $345.53 per unit with optional idle system upgrade.
• Centurion Idle Upgrade PC Board (WM-2000) Proprietary Centurion (WM-2000) in-house manufactured replacement idle PC board for Lincoln SA-200, SA-250, SAE-300/SAE-400, and Classic II; uses 30-amp relay instead of a sacrificial transistor, features LED indicators (green=power, orange=low idle, red=welding), troubleshoot-able with a magnet, no reed switch required; 3-year replacement warranty, replaces Lincoln M13708-X, priced at $145.50 per board.
• SA200 Rheostat M5090C Direct replacement rheostat for Lincoln SA200 welders; 64 ohms/150 watts, not Chinese manufacture, compatible with original Lincoln knob; priced at $235.50 per unit with standard UPS ground freight paid to continental US addresses.
• Miller Bobcat Rheostats Replacement rheostats for Miller Bobcat 225G, 225G Plus, 225D, 225D Plus, and 225NT models (prior to S/N LC191442); Miller P/N 205839 (supersedes 117243); priced at $157.50 per unit.
• Advanced Replacement Air Filter for Lincoln SA200 Replacement air filter for Lincoln SA200 with Continental F-series engine; replaces obsolete oil bath air filter with a more efficient filtration system; SKU RTS-4100, priced at $345.53 per unit with ground freight paid to continental US.
• Weldmart MIG Gun Kit for Millermatic 35 Upgrade kit for Miller Millermatic 35 MIG welder; includes Euro quick-disconnect adapter, new gas solenoid, Tweco Style 180-amp MIG gun, and written instructions; multiple configurations available for 0.025, 0.030, and 0.035 wire; prices from $425.50 per kit.
• Weldmart MIG Gun 0.035 Consumable Kit Consumable kit for 0.035 MIG gun upgrade; includes 25 MIG tips, 1 spare nozzle, and 1 spare tip adapter; priced at $35 per kit.
• Replacement Plasma Torches Replacement plasma torches for obsolete Miller, Lincoln, Hypertherm, and Esab plasma systems including Miller Zip-Cut, Miller Spectrum series, and Hypertherm HF and Non-HF start systems.
• Miller Big 40 Parts Repair parts for Miller Big 40 welder including water pumps for Continental F163 engine, starters, carburetors, electronic ignition kits, idler systems, remanufactured engines, and upgraded oil filtration systems.
• In-Shop Rewinding and Repair Services In-shop rewinding and repair services including rewinding of DC armatures, stator repairs, and coil installations; customer ships cores (armature, exciter frame, stator housing) to the shop; shop warranty extends to lifetime for original purchaser on parts installed in the shop.
• Unlimited Telephone Technical Support Free unlimited telephone technical support (281-432-0250 with 24-hour answering service) provided for all products sold and for general troubleshooting of Lincoln/Miller welders; functions as a key GTM differentiator and customer-retention lever.

Quantifiable outcome

• Over 35 years of selling and installing shunt coils with no known failures
• +3 more outcomes

Named customers3 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• Miller Electric: OEM of the Miller Big 40, Bobcat, and Millermatic 35 lines also serviced by Weldmart. Comparable as a broad welding manufacturer with overlapping legacy product overlap.
• Lincoln Electric: OEM manufacturer of the SA200, SA250, and Classic series welders whose obsoleted parts ecosystem Weldmart serves. Comparable as the originating equipment maker whose legacy installed base defines Weldmart's market.
• Airgas: Large US distributor of welding gases, equipment, and supplies with extensive branch network. Comparable as a broad welding supply incumbent overlapping in parts and consumables distribution.
• ESAB: Global welding and cutting equipment manufacturer with broad product portfolio including plasma torches (a category Weldmart also supplies). Comparable as a broad incumbent in welding consumables and equipment.

Others

• W. W. Grainger: Large industrial MRO distributor with a welding and maintenance supplies category. Adjacent as a broad industrial supply channel that competes for the same SMB maintenance and repair purchasing.
• OnlineMetals: Online metals and industrial materials distributor selling to fabricators and small manufacturers. Adjacent as an e-commerce-first industrial materials supplier serving similar SMB customers.

Direct peers

• Welder Supply: Online welding supply retailer offering machines, parts, and consumables with direct shipping to US customers. Comparable as a direct e-commerce competitor serving independent welders and small businesses.
• Cyberweld: Online direct-to-consumer welding equipment and supplies retailer selling machines, parts, and consumables via e-commerce. Comparable business model to Weldmart's online parts and equipment storefront.
• Baker's Gas & Welding Supplies: Multi-channel welding supplies retailer with both online and physical locations serving independent welders and small shops. Comparable customer base and product mix of machines, parts, and consumables.

Regional players

• Midwest Welding Supply: Regional welding supply distributor serving the US Midwest with equipment, parts, and consumables for industrial and field welders. Comparable customer profile to Weldmart's pipeline and field-service buyers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/weldmartonline_

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Weldmart-Online