The agricultural alternator for tractor
The agricultural alternator for tractors, forage harvesters and combine harvesters is an important component used to generate electrical energy for your machine's battery.Â
This part must first store the energy. Then the energy will be distributed to the machine's various electrical components. Driven by a belt, the tractor alternator can be exchanged if you need to replace your worn alternator. We're here to advise you and help you choose the best quality alternator for your farm. What is an alternator? As we mentioned earlier, the agricultural alternator is a very important component in the operation of your vehicle. When your tractor is started up, it distributes energy to the main components of the engine, dashboard, electronic controls, vehicle air conditioning, lights, etc.) The role of the agricultural alternator Its role? To provide sufficient power for the machine. On average, the current of an alternator is equivalent to between 12v and 14v.
The agricultural alternator for tractor, forage harvester and combine harvester is an important component that is used to generate electrical energy to the battery of your machine. This room will need to store energy, first. And in a second time the energy will be distributed in the different electrical components of the machine. Driven by a belt, the tractor alternator can be exchanged, if you need to replace your alternator, too worn, we are here to advise you and help you in the choice of quality of your agricultural alternator.
What is an alternator?
As we were able to point out earlier, the agricultural alternator is a very important component in the operation of your vehicle (machine...). When starting your tractor, it will spread the energy in the main elements of the engine, dashboard, electronic controls, vehicle air conditioning, lights… )
The role of the agricultural alternator
Provide enough power for the craft. On average, the current of an alternator is equivalent between 12v and 14v.
- 12v for agricultural equipment that requires less power
- 14 volts for agricultural equipment that requires the most power
The operation of the agricultural alternator
The alternator is a piece with a copper coil. Thanks to the connection to the motor and an alternator belt, the coil can turn and thus diffuse electrical energy. So when your vehicle is running, the battery takes over. This will allow you to regularly provide electricity for your vehicle.
What is agricultural alternator belt?
Are you about to check your alternator? Take the opportunity to look at the part of your tractor: the alternator belt. This should make it possible to entrust a power of the engine in motion to the alternator.
How do I know if my alternator is broken?
To start your farm tractor you need the alternator! Constantly, you need to check everything under the hood of your tractor. If you have trouble starting the John Deere or Massey Ferguson, these are the steps to follow:
See if you have a battery failure on your tractor. This could cause malfunctions in the engine.
Be sure to check all fuses, as a short circuit may also cause problems
It has happened that the belt tension is damaged, too relaxed, it will result in an irregular or incomplete load of your agricultural alternator.
Finally, a failure of your agricultural alternator will have the direct effect of intensely soliciting your battery which should have the reaction of turning on the battery indicator light of your dashboard very frequently.
What process to disassemble my alternator?
Want to replace your product? Follow our information that you can use on any tractor model (Case Ih, Fendt, Ford, Renault, John Deere...)
- View connections and connecting cables
- Please disconnect parts (type: connecting cable)
- Unscrew the stud bolt
- Loosen the clamping nut and turn the adjusting bolt
- Remove the belt
- Support your alternator then remove the bolts
- Search the references of the stirrup
- Have your alternator further
- Look at the connections
How to successfully mount your alternator?
How to successfully mount the tractor alternator? It’s time to follow our instructions for replacing your alternator again.
- Make sure to choose the alternator for original tractor
- Install the mounting bracket without fixing it
- Place your alternator, then tighten the bolts
- Install and check the belt
- Turn on your belt while respecting the manufacturer’s manual (depending on the model or make of tractor)
- Reconnect the connection cables
- Reconnect the cable of your battery
- Start your engine and let it idle to allow the belt to position well
And here is your product is installed! You will have an alternator for electric tractor properly mounted and ready to use!
How to test a tractor alternator ?
Before replacing your alternator, you can test it to be sure that the failure comes from your part. Now is the time to offer tips for testing the quality of your part. You need a multimeter:
- Position the tester on the voltmeter. The goal? Find the current coming from your battery.
- Place the red wire on the positive (+) battery terminal and the black wire on the negative (-) terminal.
- Start your vehicle with the system in place and take the first measurement on the farm machine.
- Accelerate, you will have to have on the device 14, 15 volts.
- Distinguish the difference between the first and second bars.
Hypothesis 1: I have different results. You must change spare parts of your alternator or the whole part with an original part
Hypothesis 2: I have the same results. The problem does not come from your alternator.
Buy my alternator on TMC Bejenne
TMC Bejenne is a quality customer service, the ability to add my parts to the cart, be able to have adaptable products, expert teams of their profession and passionate! If you are looking for an original or other alternator, contact us! Our website will allow you to discover a wide range of products, adapted to farmers! At the best price, find the parts for your machines!

