Canadian summers can be tough on heavy-duty construction equipment. Whether you’re running excavators, wheel loaders, dozers, graders, or skid steers, prolonged heat puts extra stress on your machine’s cooling system.
As temperatures rise, your construction machine’s radiator and other cooling components have to work harder to keep your engine operating within a safe temperature range.
If left unchecked, high temperatures can lead to overheating, reduced performance, unexpected downtime and expensive repairs.
When your cooling system can’t keep up with the heat, your equipment becomes much more likely to overheat. And an overheating cooling system can quickly become a failing cooling system.
In this blog, we’ll explore how the heat impacts your construction equipment and what you can do to prevent your machine’s heat exchanger from failing during the peak construction season.
This Post Covers:
- Does Summer Heat Affect Construction Equipment Cooling Systems?
- How Does Summer Heat Affect Your Construction Fleet’s Radiators?
- What Are the Signs of Heat-Related Cooling System Problems in Construction Machinery?
- How to Prevent Overheating in Construction Equipment
- What to Do If Your Construction Equipment Overheats
- Heavy-duty Cooling System Maintenance for Construction Radiators
Does Summer Heat Affect Construction Equipment Cooling Systems?
Yes. Summer heat can significantly impact your construction equipment’s cooling system.
Across provinces like Manitoba, Saskatchewan, Alberta, and Ontario, construction crews often work long shifts in high temperatures.
Additionally, dusty construction sites create the perfect storm for overheating. Fine dust, dirt, concrete particles and debris can quickly clog radiator fins, restricting airflow long before you notice an increase in engine temperature.
These conditions force your cooling system to work much harder than normal.
How Does Summer Heat Affect Your Construction Fleet’s Radiators?
There are several ways high temperatures can affect your construction equipment’s cooling system.
1. Increase risk of overheating
First, hotter air makes it harder for your radiator to remove heat from the engine.
At the same time, construction equipment often operates under heavy loads while digging, grading, lifting, hauling, or pushing material. That combination means your radiator must work even harder to keep engine temperatures under control.
Example: An excavator digging hard-packed soil on a 32°C day places significantly more demand on its cooling system than the same machine working during cooler spring temperatures.
2. Coolant evaporation
Hot temperatures can cause coolant to evaporate faster or reveal small leaks in your radiator you might not notice right away.
And, when coolant levels get low, your system can’t control engine temperature as well, which can quickly lead to overheating.
3. Existing Damage Gets Worse
Heat causes metal components to expand. Small cracks, weak solder joints, or worn seals can worsen under these conditions.
Eventually, this can lead to coolant leaks or complete cooling system failure.
What Are The Signs Of Heat-Related Cooling System Problems In Construction Machinery?
There are a few signs that this summer’s heat might be impacting your construction fleets’ radiators.
Watch for these warning signs during the summer months:
Engine Overheating
If your temperature gauge is consistently running higher than normal or warning lights appear, your cooling system may not be keeping up.
Coolant Leaks or Low Coolant
If you notice coolant beneath your construction machine or you’re frequently topping off coolant, it’s time to inspect the system.
Visible Radiator Damage
Check your radiator for bent fins, clogged cores, cracked tanks, corrosion or signs of coolant leaking around the core or tanks.
Reduced Machine Performance
Some construction equipment automatically reduces engine power when temperatures become too high to protect critical components.
If your machine suddenly feels sluggish, overheating could be the cause.
Remember, catching cooling system problems early can often mean the difference between a simple repair and a complete engine shutdown.
How To Prevent Overheating In Construction Equipment
While you might not be able to control the weather, there are things you can do to help prevent high temperatures from damaging your construction machine’s cooling system:
1. Perform Regular Cooling System Inspections
First, inspect your cooling system on a regular basis. Check your coolant level and look for any cracks, leaks or damaged hoses. Catching small problems early can help prevent costly breakdowns later.
2. Choose the Right Radiator for Your Application
Next, make sure your radiator is designed for the specific work your machine does.
For example, a wheel loader working in a dusty gravel pit has very different cooling demands than an excavator digging foundations in the city.
A custom-built radiator can provide the cooling capacity your construction equipment needs, even during hot summer conditions.
For more information about choosing between custom-built and stock heat exchangers, check out our blog “Everything You Need To Know About Aftermarket Radiators“
3. Limit Excessive Idling
Whenever possible, avoid letting your construction equipment idle for long periods. Although it may seem harmless, extended idling can cause unnecessary heat buildup while reducing airflow through the cooling system.
4. Keep Your Radiator Clean
Finally, keep your construction radiator clean. Summer heat can make dust, dirt, bugs, and debris build up even faster.
As the fins become clogged, airflow decreases and your radiator can’t release heat as effectively. Regularly cleaning your radiator helps maintain proper airflow and cooling performance.
What To Do If Your Construction Equipment Overheats
If you suspect that the summer heat has impacted your construction machine’s heat exchanger, it’s best to bring it to one of our three locations in Winnipeg, Saskatoon or Estevan for inspection and servicing.
Additionally, you can also ship your heat exchangers to our locations from anywhere across Canada.
However, just because your radiator has damage, it doesn’t necessarily mean you have to get it replaced.
Often, we can repair or rebuild your damaged radiator. This can save you money, while ensuring your heavy-duty heat exchanger is able to reach its maximum performance.
Heavy-duty Cooling System Maintenance For Construction Radiators
Regular cooling system maintenance is one of the most cost-effective ways to reduce unplanned equipment downtime during peak construction season.
We’re proud to service a variety of construction OEMs such as Cat, Case, International, John Deere, Kobelco, Hitatchi and more.
Visit our parts catalog to see the full scope of aftermarket construction cooling system parts we have available.
Whether you manage a single machine or an entire construction fleet, our team provides expert heat exchanger repairs and heavy-duty cooling system maintenance to keep your equipment summer-ready.
Reach out to our team for more information.
Toll-free: 1-877-RAD-CORE (723-2673)
Winnipeg: 1-204-633-5648
Estevan: 1-306-634-2055
Saskatoon: 1-306-934-7005
