10 Cub Cadet Zero Turn Mower Problems and solutions

Cub Cadet Zero Turn Mowers Problems
Cub Cadet Zero Turn Mowers Problems

Zero-turn mowers are the fastest machines to cut a lawn. Operating them is like taking a stroll in the park. It’s that simple! Currently, Cub Cadet is dominating the lawnmower industry. But despite its high functionality and popularity, it still has a few drawbacks.

10 Cub Cadet Zero Turn Mowers Problems and solutions

Eventually, after using it for a few years, you are bound to face a few common problems with cub cadet zero turn mowers. No matter how good you take care of it, there are common problems that every user has faced. But there are solutions to it as well. In this article, we have compiled ten cub cadet zero turn mower problems. Here you go!

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1. Mower won’t start

We are starting with the most common problem every user has faced. And that is cub cadet starting problems. Well, to solve this problem, we first need to identify the reasons. The reasons and solutions are given below.

  • Check the fuel tank: Sometimes, your mower won’t start because the fuel tank is empty. So, the first thing you should do is check the fuel tank. If it’s empty, then refill it.
  • Old fuel: Fuel gradually breaks down with time and becomes less efficient. So always refill the tank with fresh fuel.
  • Bad spark plug: A broken or faulty spark plug can be the reason behind your mower not starting. Even dirty spark plugs are a big no. Hence, replace it with a new one and ensure that the connections are secured.
  • Dirty Carburetor: Another primary reason behind your mower not starting can be a dirty carburettor. If it becomes dirty and clogged, then it prevents proper fuel flow. So a weekly clean-up with a carb cleaner and compressed air is a must.
  • Faulty safety switch: A safety switch can prevent unwanted accidents, but a faulty one can be a huge hassle. It stops the mower from starting involuntarily. Hence, if your mower does not start, change the safety switch with a new one.

2. Mower stops while mowing

The most annoying problem is when the mower stops working while mowing. We are pretty sure that almost everyone has faced this problem. However, there are a few remedies to this problem that can help you in a time of crisis.

Firstly, check if the air filter is not clogged. Dirt and grass can often block the air filter, preventing airflow. So, in this case, remove the filter and thoroughly clean it. If it is in terrible condition, get it changed.

Secondly, dirty or faulty cooling fans can be the reason for this problem. Cooling fans are there to allow air inside so that it can prevent the engine from overheating. But, sometimes, they get blocked with dirt and grass. As a result, your mower will stop suddenly while mowing. To get rid of this problem, clean the cooling fans at least once in two weeks. Replace them if they are broken.

3. Smoke coming out of the mower

Did you ever notice smoke coming out of your lawnmower? There have been instances where users have complained about this specific issue. Let’s find out why this happens.

The oil in the fuel tank gets into the cylinder, and hence the oil begins to burn. This is why smoke comes out of the lawnmower. Due to this, the internal condition of the engine malfunctions as well. Excessive oil can create pressure in the engine when there is too much oil in the crankcase, allowing the oil to get into the cylinder. In such a case, the best solution is to drain a little engine oil.

4. Weak Hydrostatic Transmission

Cub cadet zero turn hydrostatic problems are also pretty common. It mainly happens because of a bad drive belt, tensioner pulley and low or old hydraulic oil. The good thing is that there are practical solutions to them. In case of a bad drive belt or tensioner pulley, get them replaced and make sure you grease the tensioner arm regularly.

Sometimes when the hydraulic oil gets too old, you will face this problem. In that case, change your hydraulic oil regularly and keep it in check.

5. Mower doesn’t steer correctly

Cub cadet zero turn steering problems can happen for several reasons. Firstly, incorrect tire pressure and loose steering components are significant factors. It can ruin the balance. Hence the mower won’t steer correctly. You need to check the tire pressure and adjust the loose steering components to solve this. Secondly, bad dampers on the zero turn can also be the source of this problem. Check the damper and if it is faulty, then get it replaced.

6. Mower isn’t moving

Generally, a mower may stop moving midway because of a missing key in the axle or a lousy tensioner pulley. In such cases, there are effortless ways to fix it. By replacing the key in the axle or replacing the tensioner pulley, your mower will be good as new. Besides this, a broken arm spring can also be the source of this problem. In such a case, replace the spring with a new one.

7. Mower is Vibrating

Are you noticing weird vibrations from your mower when it is turned on? This is a pretty standard-issue that most customers have faced. If you are one of them, then you don’t have anything to worry about!

Loose or missing bolts in the engine or bad spindle housing bearings are some of the reasons. You can fix this problem by securing the bolts or by replacing the bearing in the spindle housing. You should also keep a check on the mower deck for any debris.   

8. Uneven cut

Worn out mower blade, uneven tire pressure, or wrong blade installation are some of the root causes of this problem. Make sure you always check the blade and tire pressure properly before mowing.

9. Leaking gas

The most common cause for leaking gas is if the carburettor bowl gasket goes missing or damaged. First, identify where the gas is leaking from; replace the carburettor bowl gasket if it’s from the bottom.

10. Mower is hard to start

Some users have complained about their mowing taking too much time to start. There are several reasons behind this, but the most common cause is a clogged carburettor. When fuel is left for a long time, it becomes sticky and clogs the carburettor. So, make sure not to leave fuel for a long time.   


Cub cadet zero turn mowers can upgrade your mowing experience to a whole new level. But nothing can work efficiently forever, you are bound to face some issues. So, we have compiled this list of ten cub cadet zero turn mower problems with solutions for your convenience.

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