The wrecker throws a transmission on a Friday. The shop quotes the repair and you wince at the number.
Then you focus on that number, get it fixed, and move on.
The repair bill was the cheapest part of that week.
What actually happened while it sat
The payment came out anyway. So did the insurance. The driver either got paid to do nothing or made nothing and started looking around.
Calls came in and you could not take them. Some of those callers found somebody else and will call that person next time. If you are on a motor club rotation, you missed calls in the rotation, and rotations have a way of not fully coming back.
And the work you did take got done by a truck that was already busy, which means everything ran late for a week.
None of that is on the repair invoice.
Price out a day with the truck down
Revenue per truck per day, the fixed costs that keep running, and how long it is out. The repair bill is usually the smallest part of what a breakdown costs you.
Your numbers
What that means
Redundancy is cheaper than the outages you already have. This is not a tech decision, it is a math decision.
What this assumed
- Some business comes back after an outage. The recovery share you enter is what decides how much.
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This is an estimate
This tool returns an estimate based on the numbers you entered. Your real result depends on your own costs, rates and conditions. Check it against your own records before you make a decision with it.
How to run it, step by step
- 1Use revenue per truck per day. Take that truck's revenue over a normal month and divide by the days it ran. Use the truck, not the company average, because a rotator and a light-duty wrecker are different businesses.
- 2Keep the fixed costs running. The payment, the insurance and the driver do not stop because the truck is in the shop. That is the part owners forget and it is what makes downtime hurt twice.
- 3Use realistic days out, including waiting on parts. Not the shop time. The calendar time from when it broke to when it was earning again. Waiting on a part is downtime even though nobody is working on it.
- 4Add the work you had to turn away. If you lost a motor club rotation, missed calls on your busiest night, or had to refuse a job you would normally take, that is real and it belongs in the number.
How to read what it gives you
- The per-day figure is what a breakdown costs before the repair bill. Compare it to what preventive maintenance costs and the argument for scheduled service usually ends right there.
- Multiply the daily figure by your realistic annual downtime and you have what unreliability costs you per year. That number is often the best case for a newer truck or a second one.
- If losing one truck stops you taking calls entirely, you do not have a maintenance problem, you have a single point of failure.
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The comparison that makes the decision
Take the daily downtime figure and hold it next to what scheduled maintenance costs.
For most towing operations it is not close. A day of downtime costs multiples of what a service interval costs, which means the only real argument against preventive maintenance is finding a day to take the truck out of service.
That is a scheduling problem, and scheduling problems are cheaper than transmissions. Pick your slowest day of the week and make it the maintenance day.
Where the hidden costs live
The rotation. Missing calls in a motor club rotation can affect what you get sent afterwards. Communicate before you miss them, not after.
The driver. Experienced wrecker drivers are hard to find and easy to lose. Two weeks of no income is a strong reason for one to take a call from a competitor.
The customers who called once. They needed a tow, you could not come, somebody else did. That is not one job lost, it is a customer who now has somebody else's number saved.
The rest of the fleet. Covering with the remaining trucks means more hours and more miles on them, which pulls their maintenance forward. Downtime propagates.
What to do with the number
If it is large and you run one truck, that is a single point of failure and the number tells you what it is worth to solve. Standby arrangement with another operator, a backup truck, or a maintenance schedule you actually keep.
If you run several, use it to decide how hard to push each truck. Running a truck until it breaks looks cheap in the maintenance budget and expensive everywhere else.
Either way, log the downtime. Days out, per truck, per year. Most owners have a feeling about which truck is the problem child. Written down, it usually turns out to be worse than the feeling, and it makes the replace-or-repair decision obvious.
Questions people actually ask
Is preventive maintenance actually worth it?
Run the daily downtime number and compare it to the cost of scheduled service. In towing, where the trucks are hard-used and the revenue per truck per day is high, scheduled maintenance almost always wins on math alone. The argument is usually about finding a day to take the truck out of service, not about the money.
Should I keep a spare truck?
Depends on your call volume and how much of it you lose when a truck goes down. If losing one truck means turning away motor club rotations you would struggle to get back, a spare or a standby arrangement with another operator can pay for itself quickly.
What about the driver during downtime?
If they are on hourly you are paying for nothing, and if they are on commission they are earning nothing and will look elsewhere. Losing an experienced wrecker driver over a two week breakdown is a cost most owners never put in the calculation.
How do I keep motor club rotations while a truck is out?
Talk to them before you miss calls rather than after. Most will work with an operator who communicates. The relationships that break are the ones where calls went unanswered with no explanation.