Operations

What a tire recycling plant actually teaches you about cash flow

Profit is an opinion. Cash is a fact. Lessons from running heavy equipment where every hour of downtime shows up in the bank account.

People outside the industry hear "tire recycling" and picture a pile of tires and a shredder. What they don't picture is how fast cash moves in and out of a plant, and how quickly a small problem on the floor turns into a big problem in the bank account.

I've been in tire recycling since 2015. The plant has taught me more about cash flow than any class or spreadsheet. Here's what it taught me.

1. Downtime is the most expensive line item you never see

When a shredder goes down, the costs don't stop. Labor is still on the clock. Trucks still show up full. Tires still pile up in the yard. Meanwhile, the product you'd normally be selling isn't getting made.

None of that shows up as a neat line on the income statement called "downtime." It hides inside overtime, rush shipping on parts, missed loads and a yard that's getting fuller by the day. If you're buying or running a business with heavy equipment, the first question I'd ask isn't "What's the margin?" It's "What happens to cash when the main machine stops?"

2. Wear parts are a cash-flow schedule, not a surprise

Knives, screens, bearings and belts wear out. That's not bad luck. It's physics. The operators who struggle treat these as surprises. The ones who do well treat them like a calendar.

If you know roughly how long a set of knives lasts at your volume, you know when that bill is coming. Plan for it, keep spares where it makes sense, and you stop getting ambushed. A lot of "cash problems" I've seen are really planning problems wearing a disguise.

3. You get paid on both ends, and you can get squeezed on both ends

Tire recycling is unusual. You often get paid to take the tires in, and then you get paid again for what you make out of them. Steel wire, rubber chips, crumb, fuel. That sounds great until one end of the market moves.

If outlet prices for your product drop, the yard fills up. If a big hauler takes their tires elsewhere, your infeed dries up. Either way, cash gets tight fast. The lesson: know your outlets as well as you know your suppliers, and don't let one customer or one product carry the whole business.

4. Inventory in the yard is cash sitting outside in the rain

Every tire sitting in the yard is cash you already spent on labor and freight and haven't turned back into money yet. It's also a risk you're carrying. A full yard can look like a busy, healthy business. Sometimes it's the opposite.

When I look at a plant, I want to know how fast material moves from the gate to a paid invoice. The shorter that cycle, the healthier the business usually is.

5. Maintenance budgets are the first thing cut and the last thing you should cut

When cash is tight, it's tempting to push off maintenance. Run the machine another month. Skip the rebuild. I get it. But deferred maintenance is just borrowing from your future self at a terrible interest rate.

If you're buying a plant, ask to see the maintenance history, not just the financials. A business that's been starved of maintenance can look profitable on paper right up until you own it.

6. Your people are the real cash-flow system

The best operator on the floor will hear a bearing going bad before it fails. A good dispatcher can save a day of downtime by rerouting trucks. A sharp office person catches the invoice that never got sent.

Cash flow isn't just finance. It's a hundred small decisions made by the people closest to the work. Pay attention to who those people are, and treat them like the asset they are.

What this means if you're buying

If you're looking at any heavy-equipment business, tires, scrap, recycling, or something like it, walk the floor before you trust the numbers. Ask what breaks, how often, what it costs and who fixes it. Ask where the product goes and what happens if that buyer disappears.

The deal on paper is never the deal on the floor.

Profit is an opinion. Cash is a fact. The plant will teach you that one way or another. I'd rather you learn it before you sign.

By Steve Porter. Operator perspective, not legal, tax or investment advice.

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