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The ultimate guide to buying a used semi trailer

21 QUESTIONS TO ASK ABOUT BUYING A USED SEMI TRAILER

tom klassen used trailers at maximUsed or new? It's a question families wrestle with before buying a vehicle and it's no different in the trucking business.
Tom Klassen, trailer inventory & used sales manager at Maxim Truck & Trailer, knows it’s not an easy decision for entrepreneurs and companies moving goods across Canada and into the U.S. In the following questions, Tom will spell out the case for buying used. In doing so he’ll factor in safeties, whether you need a refrigerator and the type of floor that fits your individual situation.
guide to buying a used semi trailer
VIEW MAXIM'S USED TRAILER INVENTORY
1 Why should I buy a used trailer?
The perception behind buying a used piece of equipment is to save money, but could also be because of lack of availability. Buying a trailer from Maxim Truck & Trailer eliminates the risk of the trailer not being as advertised and the peace of mind of knowing that the equipment has been inspected by a qualified technician.
2 How new can a used trailer be?
If a trailer has been registered and the NVIS (New Vehicle Information Sheet) is destroyed the trailer becomes used. The unit could be 1 day old and be considered a used trailer.
3 Is this a good time to buy new or used?
Buying a used trailer depends on a lot of factors. One could be if the current market for new trailers is being affected by the US exchange rate, import tariffs or lack of availability. Another reason to purchase used over new is if you are venturing into a new market. To keep costs down when entering a uncertain job, buying used will help save some money in case the new work does not work out.
4 What is the availability of used trailers?
A new trailer has to be ordered and it can take two months to a year to get in. A used trailer could be sitting on the lot. Maxim is always looking for good used trailers to add to the inventory and tries to keep a wide variety of trailers available.
5 Does a trailer need to have a provincial trailer safety and does that impact the price of the trailer?
There are three ways to buy a trailer – with a new safety, the current safety, or as is. With a new safety, it’s brought in to the shop and inspected by a qualified technician who diagnoses any issues. The trailer cannot pass the provincial safety standard until those issues are repaired. The trailer will then get a provincial sticker that is good for one year from the certification date. 

With a current safety, the trailer was inspected within the past year and would have been issued a safety sticker. The sticker will indicate how long the safety is still valid for – but you will need to safety it before the expiry date and that could reveal issues you may not have realized.

With “As Is,” the safety has expired and before it can go on the highway carrying a load, it needs a new safety.

A new provincial safety can only be completed by a qualified trailer technician. At Maxim we safety our trailers to high standards to ensure the used equipment we sell is of the highest quality.
6 Why is it important to know the tire depths?
Tires are the most expensive maintenance item on a trailer. Depending on the tire, the tread depths can be quite different. A highway tire normally has a shallower depth than an off-road tire because of the application. However, despite the difference in depth, these tires can have the same amount of kilometers. While the depths are important, the side wall and tread quality also effect the longevity of the tire.
7 What is the Reefer HRS?
Some reefer unit manufacturers’ offer extended warranty on their units depending on the engine hours. HRS are the number of hours the refrigerators compressor has been running. If you have a trailer full of ice cream, you’ll want the temperature to be around -7C. Once it starts to warm up, the compressor will kick in again and cool it back down again.
8 How long can a compressor run before it needs to be replaced?
Typically, a unit runs 1,200 to 1,500 hours per year. If the trailer is on the road for five years, it should have around 7,500 hours on it.

Compressor replacement depends on how well it has been maintained. It could be after 20,000 hours if it has had poor maintenance and 50,000 for good maintenance. If a unit has less than 5,000 hours on it, you can usually still apply for extended warranty.
9 Should I ask if the reefer unit has been serviced?
Yes. It’s a good idea to get the latest reefer service report to know the working condition of the cooling unit. Buying a reefer unit is different than any other trailer. You want a service report for the box itself and the cooler unit at the front. It should be a red flag if the cooling unit has not been serviced within the last year. The oil filter on reefer engine will normally be marked with the date it was last serviced.
10 Does the reefer unit model year match that of the trailer?
For the majority, the model year of the reefer unit will match the trailers model year. However, it is a good idea to check with the local reefer dealer to find out the model year of the reefer on your trailer.
11 Does it matter whether the rear opening has swing or roll-up doors?
Yes. It’s important to get the right type of rear opening for the type of deliveries you’ve got. If you’re using loading docks, you can have swing doors because there’s room. But if you’re going down a back alley to deliver food to a 7-Eleven, there will be less room so you’ll probably need a roll-up door. It’s all about knowing your business. Having the wrong doors could make the job more difficult or impossible. You might have to bring the trailer back to get what you need.
12 Does it matter what type of floor the trailer has?
Yes. You can have a duct floor or a flat floor. Tightly-packed loads, such a drinks or meat, benefit greatly from the duct floor for the increased airflow. That kind of floor is good when you’re loading and unloading a maximum of once a day. Flat floors are more for city delivery where drivers are going in and out of the trailer more often.
13 Does how I secure the cargo on my deck impact the kind of floor I should get?
Yes. Aluminum floors have wooden strips in between for nailing down freight. If you’re weight conscious, you want aluminum floors. With wood floors, it’s cheaper to maintain or replace wood planks.

If you’re a regular hauler who is hard on equipment, you should probably get a wood floor. You can just replace the wood planks as you need them.
14 What if I’m carrying cargo that could spill?
If you have an environmentally safe trailer, you might have chemicals, which you can’t have soaking into the wood. If you have an aluminum floor, it’s easier to hose it down and maintain.
15 How thick a floor do I need?
It all depends on what you’re hauling but the thickness of the floor or type of steel in the floor can greatly extend the life of an end dump trailer.

If you’re hauling sand or gravel, that’s not too hard on the floor. But if you’re hauling cement blocks or big rocks in the mines, it can be hard on the floor. The harder the cargo you’re hauling, the thicker the floor you want and the harder the steel. On the flipside, doing so increases costs.
16 Should I get steel or aluminum wheels?
This is another balancing act. Aluminum wheels look nice and stay shiny for a long time and save weight but they’re more expensive. Steel wheels are heavier and are susceptible to corrosion but they’re significantly cheaper. Do you want the cost up front or over time? The replacement costs are $300 per aluminum wheel and $100 per steel wheel.
17 Should I buy a trailer with air ride or spring ride?
It depends on what you want and can afford. The air ride option offers a smoother ride, but it can be costly to repair or replace. It’s just what it sounds like, a bag full of air. Instead of the spring that goes up and down, the air bag goes up and down. Air rides are more expensive. For a tandem unit, it costs about $5,000 for an air ride while the spring ride is about $2,000.
18 Why does the length of the trailer matter?
You should make sure you’re purchasing the right length of trailer for the job you’re doing. A few feet can make a big difference when you’re trying to maneuver in tight places.

Trailers come in all kinds of lengths. A reefer van can be as short as 28 feet and as long as 53 feet.
19 What’s the bottom line price-wise?
Just like buying a car, buying a used trailer is a negotiation. You want to buy a trailer that helps your business be successful. It’s an asset and you will want to maximize that asset. Try to find a trailer sales rep that can be your business partner.  It is in the best interest of the dealership and the customer to be happy with the completed transaction.
20 Why is there a freight charge for used trailers?
If the trailer you’re looking for is not available in your city, there’s a good chance it can be found somewhere else. There will be a cost associated with moving the equipment to its final destination. If the advertisement says, “Selling price $20,000 FOB Calgary,” it means it’s in Calgary and you’ll pay $20,000. But if you’re in Saskatoon, it will have to be moved there. The charge to do that could be $800.
21 13. Why buy a used trailer from Maxim Truck & Trailer?
Maxim trained technicians work to high standards to ensure the trailers that leave their shop are safe and meet all requirements for the equipment to work to its maximum potential. All trailers sold with a new provincial safety will have a minimum of 50% working tread on the tires and 50% working pad on the brakes. Maxim also has many sales professionals that are experts in different areas of the trucking industry and have experience with trailers from many top brands, such as Great Dane, Arne's, Timpte, Deloupe, East, Trout River and more. They will work with the customer to ensure they get the right trailer for the right job.
guide to buying a used semi trailer
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