John Deere X730 Problems
The John Deere X730 lawn tractor is well-rated for its ease of use, ergonomic design, powerful engine and excellent cut quality.
Like every lawn tractor model, it can also develop problems. Some users complained about steering issues, engine problems and transmission problems.
In this article, I share 8 John Deere X730 problems and troubleshooting tips to solve the problems.
John Deere X730 Problems, Causes, and Possible Solutions
Before I go into details, let’s look at some common John Deere X730 problems and their possible solutions:
Problems |
Possible Solutions |
1. John Deere X730 Steering Problems |
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2. Engine Problems |
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3. John Deere Lawn Tractor Vibrates or Rattles Excessively |
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4. John Deere X730 Electrical System Problems |
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5. Deck Issues |
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6. Belt Problem |
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7. Transmission Problems |
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8. Carburetor Problem |
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1. John Deere X730 Steering Problems
If you notice that the steering wheel veers left or right on its own or it rattles excessively, it may indicate that your steering wheel is defective.
Furthermore, the lawn tractor’s wheels may fail to turn in the right direction due to low tire pressure or a complicated assembly of the components that hold your steering wheel.
Causes
- Tire pressure is too low
- Complicated steering wheel assembly
- Worn-out bushing
- Dysfunctional steering housing
Fix
- Check the tire pressure and inflate them according to the instructions in the owner’s manual.
- Park the lawn tractor on a level surface and repair it. Keep safety precautions when disassembling the lawn tractor
- Replace defective or worn bushings.
- Upgrade the steering housing by swapping it out for a new one.
2. Engine Problems
Here are some engine problems that are associated with your John Deere X730 model:
Starting Issues
This is one of the problems that the engine can develop. The engine may fail to turn over when the starter also malfunctions.
Possible causes for this issue include faulty batteries or corroded terminal connection, low-quality fuel, inadequate fuel, faulty spark plugs and clogged fuel filter
Causes
- Clogged fuel filter
- Faulty spark plug
- Low-quality fuel
- Defective battery
- Corroded terminal connection.
Fix
- Replace the clogged fuel filter
- Change the defective spark plug
- Drain the fuel tank and fill it with quality fuel.
- Replace the defective battery with a new one.
- Clean the terminals and ensure that all wire connections are well secured.
Engine Runs Roughly
There are times when the engine may develop excessive vibrations or start to make noise. In this case, the performance of the John Deere lawn tractor may deteriorate.
This might be a result of clogged cooling fins, damaged electrical contacts, dirty air filter or stuck choke cable.
Causes
- Clogged cooling fins
- Damaged electrical contacts
- Stuck choke cable
- Dirty air filter
Fix
- Clean the cooling fins
- Check and replace damaged connections.
- Repair or replace the stuck choke cable.
- Clean or replace the air filter.
Engine Overheating
If your engine overheats, it might be due to excessive engine load, plugged cooling fins or poor-quality oil. This can affect the performance of the lawn tractor.
Causes
- Poor-quality oil
- Excessive engine load
- Plugged cooling fins
- Fast idle speed
Fix
- Change the engine oil
- Loads should be reduced.
- Clean the cooling fins
- Adjust the carburetor for a slower idle speed.
3. John Deere Lawn Tractor Vibrates or Rattles Excessively
Your John Deere X730 model can vibrate or rattle excessively if the sheaves are dirty or the blade is defective. You can also check the drive belt for wear to fix the issue.
Causes
- Worn drive belt
- Dirty sheaves
- Defective mower blades
Fix
- Install a new drive belt.
- Change the dirty sheaves
- Change the mower blades when necessary.
4. John Deere X730 Electrical System Problems
The problems associated with the John Deere lawn tractor include dysfunctional lights, the battery does not charge or starter doesn’t work, or will not turn the engine.
Here is an overview of John Deere X730 electrical system problems:
Dysfunctional Lights
The lights of your lawn tractor may fail to work due to short-circuit electrical wires or connection/disconnection level in the wrong position.
Causes
- Short-circuit electrical wires
- Connection/disconnection level in the wrong position
Fix
- Contact a lawn expert to solve the issue.
Starter Does Not Work or Will Not Turn the Engine
If the starter does not work or will not turn the engine, you need to check components such as the fuse, starter, battery and ignition switch for defects.
Causes
- Defective fuse
- Poor terminal connection
- Faulty ignition switch
- Defective starter
- Low-voltage battery
Fix
- Replace the defective fuse with a new one.
- Clean terminals
- Install a new lock.
- Replace the faulty starter with a new one.
- You need to charge the battery.
5. Deck Issues
Here are some problems associated with the mower deck of the John Deere X730 lawn tractor:
Clogged Discharge Chute
The discharge chute can get clogged if too much of the grass being mowed is forced through the discharge opening of the mower deck.
In this case, there will be a restriction of air that will prevent a proper discharge of grass clippings.
Causes
- Wet grass
- Travel speed is too fast
- Engine runs at low revs
Fix
- Avoid mowing wet grass.
- Operate the lawn tractor at a low speed
- Increase the engine speed.
Uneven Cut
If you experience uneven cuts with your lawn tractor, it has to do with a clogged deck, or if the deck is too low.
You also need to check other components such as tires, blades and wheels to fix the issue.
Causes
- Low tire pressure
- Mower deck is low
- Dull blades
- Incorrect wheel height
Fix
- Inflate the tires.
- Check and adjust the deck height.
- Replace the dull blades with new ones.
- Adjust front or back wheel height
Uncut Grass During Operation
The John Deere lawn tractor might skip uncut grass during operation. This might be as a result of a clog in the discharge area or low deck level.
Causes
- Deck level is too low.
- Clog in the discharge area
- Grass bag is overfilled
Fix
- Level the mower deck
- Clean the mower deck
- Empty the bagger.
6. Belt Problem
To ensure optimal mowing performance, your belts need to be properly installed, or not too tight or/loose. If it slips, it can be frustrating because it will disrupt your mowing tasks.
Causes
- Dirt in the sheaves
- Low belt tension
- Worn out belt
Fix
- Clean the pulley.
- Check and adjust the belt tension.
- Install a new belt.
7. Transmission Problems
The John Deere lawn tractor will not work well if the transmission malfunctions. Its motor sends power to the hydraulic pumps through the transmission system.
If it malfunctions, the issue can be caused by old hydraulic oil. A user also complained about the inability to shift gears
Causes
- Old hydraulic oil
- Dysfunctional gears
Fix
- Drain the old hydraulic oil and replace it with new hydraulic oil. If the problem persists, consult an expert to help you fix your transmission problems.
- Seek the help of a professional to fix gear-shifting problems.
8. Carburetor Problem
The carburetor of your John Deere X730 model may wear out after some time. If the carburetor is malfunctioning, your lawn tractor may produce black smoke, use more gas and make strange noises.
Cause
Broken carburetor
Fix
- Replace the broken carburetor if it is in bad condition.
What Majority of the Users Feel About John Deere X730?
Several John Deere X730 users liked the lawn tractor for its quality and mowing speed. A user commented that the lawn tractor can mow his three feet tall grasses and weeds in one round.
Furthermore, many users praised the tractor for its comfort and durability. In addition, the deck is also easy to clean.
On the downside, some users complained about excessive fuel consumption. In all, many users loved the lawn tractor and recommended it.
Frequently Asked Questions
What engine is in a John Deere X730?
A: The John Deere X730 model runs on a 25.5hp iTorque Power System.
Where is John Deere X730 made?
A: The John Deere lawn tractor is made in Horicon, Wisconsin, USA
How much does a John Deere X730 weigh?
A: It weighs 857 lb.
Conclusion
Your John Deere X730 model may develop engine, transmission, steering, carburetor or belt problems.
You can figure out the causes of these problems and fix your lawn tractor by implementing the troubleshooting tips outlined in this article.