Thor Industries Inc. (THO)

Thor Industries makes the motorhomes and travel trailers you see parked at campsites across North America. It is the world’s biggest manufacturer of recreational vehicles — RVs — which means it builds the places people live when they’re on the road. The business is straightforward. People save money, retire, or take extended time off and want to travel. They buy an RV from Thor or one of its brands. Thor makes money by selling them and servicing them after.

Getting into RVs: growth through acquisition

Thor started in 1980 building small travel trailers out of Elkhart, Indiana — a place that had already become a hub for RV manufacturing. For decades it remained a modest player in a fragmented industry. Then, starting in the 1990s, Thor began buying up other RV makers. It acquired Fleetwood (one of the largest), then Heartland, then Jayco. Each acquisition brought a new brand, new customers, and bigger revenue. By the early 2000s, Thor had become the world’s largest RV manufacturer by a considerable margin.

This growth strategy matters because the RV industry is still fragmented. No single company owns more than a fraction of the total market. But Thor owns more fractions than anyone else. It controls something close to four brands — Thor Motor Coach (the legacy name), Fleetwood, Jayco, and Heartland — each with its own customer base and reputation. A family shopping for a motorhome might recognize only one brand; Thor likely makes it.

What Thor actually makes

The RV world breaks into two main categories: motorhomes and towable trailers.

A motorhome is a vehicle — an engine, wheels, and a cabin you can sleep in. The driver steers it, drives it, parks it. They come in classes: Class A (big, fancy, most expensive), Class B and C (smaller, more fuel-efficient), and Class B+ (in between). A motorhome is ready to go the moment you drive it off the lot.

A towable trailer is a trailer — no engine, no driver controls — that you hitch to your truck or SUV. You own the tow vehicle separately. Travel trailers are the more common kind (smaller, lightweight); fifth wheels are heavier and sit on the bed of a pickup truck. Trailers are cheaper than motorhomes but require you to already own or buy a suitable tow vehicle.

Thor makes both. Its motorhome brands handle the full spectrum. Its trailer brands (Jayco and Heartland, mainly) cover the towable market. This breadth means Thor captures customer demand across the entire spectrum — someone will buy one of its products.

How Thor makes money

Thor makes money in two ways: selling vehicles and financing them.

The first is straightforward. A dealer buys a motorhome or trailer from Thor, puts it on a lot, and sells it to a customer. Thor receives cash (minus the dealer’s margin). The price depends on size, features, and market conditions. A modest motorhome might sell for $100,000 to $150,000; a big Class A might go for $400,000 to $500,000 or more. A travel trailer might be $25,000 to $75,000. Thor’s cost to build is less than the wholesale price it charges the dealer, so it makes a margin.

The second is financing. Thor owns a finance subsidiary that buys loans from dealers — loans that customers have taken out to buy RVs. Thor owns the loan, collects the interest, and manages the default risk. This is a significant part of the profit story. It changes the customer relationship: Thor is no longer just a manufacturer selling to a dealer; it also has a long-term, recurring interest in whether the customer can pay back the loan. It incentivizes Thor to build reliable vehicles (defaults hurt) and to understand credit risk.

Manufacturing is cyclical. RV sales boom when the economy is strong, employment is high, and people have confidence to spend on a depreciating asset. RV sales crater when a recession hits, unemployment spikes, or consumer confidence evaporates. Thor’s profits swing accordingly. In boom years, factories run near capacity and margins expand. In downturns, factories sit idle, fixed costs remain, and margins collapse.

The installed base and aftermarket

Once someone owns a Thor-made RV, Thor has a customer for life — or at least for many years. That RV needs maintenance: tires, brakes, appliances, roofs, water heaters, slide-outs, electrical systems, plumbing, interior furnishings. Some of this maintenance is done by independent mechanics; some is done by Thor’s network of authorized dealers and service centers. Every dollar of maintenance is recurring revenue with healthy margins, because the customer has already bought the vehicle and now has to pay to keep it working.

The aftermarket (add-ons, upgrades, and maintenance) is a critical part of Thor’s long-term profitability. The business that pays the highest margins is not the initial RV sale; it is the lifetime of service and upgrades that follow. This is similar to the Apple dynamic — the hardware is the entry point; the recurring revenue stream is the profit engine.

Cyclicality, scale, and competition

Thor’s biggest exposure is the RV cycle. When the economy sours and employment drops, people stop taking vacations. They stop buying RVs. Dealers cut orders. Thor’s factories operate at low capacity. Employees are laid off. Cash flow dries up. The reverse happens in booms. This cyclicality has made Thor’s stock volatile. Investors prize companies with stable, predictable earnings; Thor’s earnings are neither.

Scale helps absorb volatility. A small RV maker with one factory can shut down in a downturn and fire everybody. Thor, with four major brands and multiple factories, can move production around, consolidate capacity, and negotiate with suppliers from a position of strength. Size also matters for dealers — a dealer needs access to multiple brands to survive, and Thor is the only company that can really offer that breadth. That gives Thor negotiating power it would not have if it were smaller.

Competition comes from private RV makers, smaller regional manufacturers, and — more subtly — from used RVs in the secondhand market. Someone might buy a used motorhome instead of a new one, which takes a potential customer away from Thor. Imports are not a major factor, but as shipping costs and labor availability change, that could shift.

How to research Thor as an investment

Start with Thor’s annual 10-K filing (SEC CIK 0000730263), which breaks revenue by RV type and brand, outlines the dealer distribution model, and explains the financing subsidiary in detail. Pay close attention to the inventory sections — how many finished vehicles are sitting in dealer lots is a leading indicator of demand weakness.

Key metrics: revenue growth and gross margin trends (are prices holding or collapsing in downturns?), the health of the finance subsidiary (what are default rates?), and industry-wide RV shipments (which you can cross-check against industry reports). Listen to quarterly calls for commentary on dealer inventory levels, consumer sentiment, and management’s confidence in near-term demand. Monitor the RV industry’s leading indicators — retirement-age population trends, consumer confidence indices, unemployment, and discretionary spending patterns. Because RVs are bought with confidence and cash, Thor’s shares tend to fall before the broader economy does in downturns. That volatility is part of what makes Thor a cyclical business.