10 Most Common Cub Cadet LT42e Problems(Lets Solve)

Do you face problems with your cub cadet lt42e then you are not alone because most owner also face problems with it. So don’t worry because here I will tell you the 8 most common cub cadet lt42e problems along with their solutions. 

Although cub cadet lt24e is a fantastic mower, but like any piece of machinery, it can encounter problems over time. If you don’t solve these problems on time, then it is harmful for your mower.

What are the most common problems of cub cadet lt42e?

The most common problems with cub cadet lt42e are

  1. Lawn Tractor won’t move
  2. Engine Starting Issues
  3. Uneven Cutting
  4. Loss of Power
  5. Excessive Vibration
  6. Engine Overheating
  7. Transmission Problems
  8. Electrical issues
  9. Steering Problems
  10. Cub Cadet Emits Smoke

10 Most common cub cadet lt42e problems

Here we discuss these problems one-by-one along with their solutions. So carefully read this article to get rid of problems with your lawn mower.

You may also read Cub Cadet LTX 1050 Problems

1. Lawn Tractor won’t move

This problem occurs when your lawn mower suddenly stop and don’t move. This happens due to the bad tensioner pulley, worn pump belt and arm string, release lever in the wrong position, and old and hot hydraulic oil.

Check the pump belt, if it is worn out, then replace it. Inspect the release lever if they are in wrong position, then came them in right position.

Also check the hydraulic oil in the hydraulic system, if it is old then replace it with high quality oil.

2. Engine Starting Issues

In this problem, the engine of your mower refuse to start. This happens due to several reasons like there are not much fuel in the engine or any fault in the spark plug. But the main two reasons are.

Battery Problems

One common problem is difficulty starting the engine. If you turn the key and hear only a click, the battery might be the culprit. Check for loose connections, corroded terminals, or a weak battery. Cleaning terminals and ensuring a fully charged battery can resolve this issue.

Ignition System Troubles

If your Cub Cadet LT42E doesn’t respond to the key turn, it could be due to ignition system problems. Faulty ignition switches or damaged wiring might require replacement. Ensure all connections are secure and free of damage.

Also Read: Cub Cadet LTX 1040 Problems

3. Uneven Cutting

The purpose of a lawn mower is to cut the grass in perfect manner. Think if it is not cutting the grass evenly so does our purpose fulfill, absolutely not. This happens due to several reasons.

 The first one is unbalanced tire pressure. So due this mower not cutting the grass evenly. Check the tire pressure if are not balanced then balanced it.

The other two major reasons are.

Blade Issues

If you notice uneven grass cutting, inspect the blades. Dull or damaged blades can result in an uneven cut. Sharpen or replace the blades as needed for a clean and even lawn.

Deck Alignment

Deck misalignment can also cause uneven cutting. Make sure the deck is level by adjusting the deck wheels. This simple adjustment can significantly improve cutting performance.

By following these steps you can get rid of engine starting issues in your mower.

4. Loss of Power

It is also most common cub cadet lt42r problem. This problem occur due to its engine not provide enough power. Major reasons behind this problem are.

 Dirty Air Filter

A dirty air filter restricts airflow, reducing engine power. Regularly clean or replace the air filter to maintain optimal engine performance.

 Fuel System Problems

Issues in the fuel system, such as a clogged fuel filter or old fuel, can lead to power loss. Clean or replace the filter and use fresh fuel to remedy this problem.

5. Excessive Vibration

This is also the major problem raported by its owner. When the owners are cutting the grass then suddenly mower begin to vibrate. Two major reasons behind this problem.

Loose Bolts and Nuts

Excessive vibration can be unnerving and potentially damaging. Check for loose bolts and nuts throughout the tractor, especially in the cutting deck and engine. Tighten them securely to reduce vibration.

Damaged Belts

Worn or damaged belts can also cause vibrations. Inspect the belts for signs of wear and replace them if necessary.

6. Hydrostatic Transmission Troubles

In cub cadet lt42e problems, transmission troubles is one of the major problems that its owner face.And these issues occur due to some reasons and these are.

Low Fluid Levels

Low transmission fluid can lead to poor performance. Check the fluid level and top up as needed. If you notice leaks, address them promptly.

Belt Tension

Improper belt tension can affect transmission operation. Adjust the tension according to the manufacturer’s guidelines for smoother performance.

7. Steering Problems

In this issue the owner face difficulty to steer it during ride and this happen due to the following reasons.

Steering Wheel Alignment

If your Cub Cadet LT42E is hard to steer, check the steering wheel alignment. Misaligned wheels can make steering difficult. Align them properly for easy maneuverability.

Damaged Tie Rods

Inspect the tie rods for damage or wear. Damaged tie rods can impact steering control. Replace them if necessary.

8. Electrical Issues

One of the most frustrating moments for owners when they face electrical issue with their lawn mower. Problems that they face might be any fault in the spark plug or wiring problems.

Faulty Spark Plug

A faulty spark plug can lead to engine misfires and poor performance. Replace the spark plug with the manufacturer’s recommended model to improve engine operation.

Wiring Problems

Examine the wiring for any exposed or damaged sections. Faulty wiring can cause electrical issues. Repair them carefully and, if you need, then replace the damaged wires.

9. Engine Overheating

This issue arise when you ride the mower in high temperature. In high temperature, engine of your mower overheats. The second reason might be when you give overload on your mower. So don’t give much load on the mower.

A third reason might be you run the mower fast idle speed. Don’t run the mower at high speed.

Two other reasons are.

 Clogged Cooling Fins

Overheating can damage your engine. Ensure the cooling fins are clean and free of debris to prevent overheating issues.

 Malfunctioning Thermostat

If your engine still overheats, a malfunctioning thermostat may be the cause. Replace it to regulate the engine’s temperature effectively.

10. Cub Cadet Emit Smokes

Sometimes your mower creates smoke and this happens due to the oil come into the cylinders and start to burn off. In most cases, this burn is caused by a low capacity for oil in the engine.

However, some other faulty parts like piston ring, gasket, and valve train can also cause mower smoke. 

To solve this problem, drain a little engine oil from the crankcase. Check the air filter, if they are dirty clean them, otherwise replace with new.

In addition, low engine oil can cause friction, which can cause extreme heat and smoke to be produced by the engine. As a result, you may need to add oil at the recommended level to the engine in that case. 


I think you get an idea about the cub cadet lt42e problems, and now you solve them easily.

Maintaining your Cub Cadet LT42E doesn’t have to be a daunting task. By identifying and addressing these common problems, you can ensure that your lawn tractor operates at its best for years to come. 

Remember to perform regular maintenance to prevent these issues from occurring.

FAQs About Cub Cadet Lt42e Problems:

Q1: How often should I sharpen the blades of my Cub Cadet LT42E?

A1: It’s recommended to sharpen the blades at least once a season or more often if you notice a decrease in cutting quality.

Q2: Can I use regular automotive oil in my Cub Cadet LT42E engine?

A2: No, it’s best to use the oil recommended in the owner’s manual to ensure proper engine performance.

Q3: Why does my Cub Cadet LT42E’s engine stall after starting?

A3: This could be due to a clogged carburetor or fuel filter. Cleaning or replacing these components should solve the issue.

Q4: What type of fuel should I use in my Cub Cadet LT42E?

A4: Use fresh, unleaded gasoline with an octane rating of at least 87 for optimal performance.

Q5: How can I prevent rust on my Cub Cadet LT42E’s cutting deck?

A5: Keep the deck clean and dry, and consider applying a rust-resistant coating to protect it from corrosion.

Remember to follow these troubleshooting steps to enjoy a trouble-free mowing experience with your Cub Cadet LT42E. If problems persist, consult your owner’s manual or contact a certified technician for assistance.


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