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Tractor Battery vs. Car Battery: How Are They Different?

April 25, 2022 by Hardik K

Tractor Battery vs Car Battery

Are you someone who believes that a tractor battery and car battery are the same?

Although both of these batteries are the batteries used to start a vehicle, still, there are some fundamental differences between the two. A farm tractor battery may be used in a car; however, a car battery cannot be used for a farm tractor.

Let’s dive deeper to learn the actual difference between a farm tractor battery and a car battery.

Durability and Service Life

  • The key factor that differentiates a farm tractor battery from a car battery is its durability and service life.
  • Every battery has a different Cold Cranking Ampere (CCA). It is the ability of a battery to start (crank) an engine in a cold environment at low temperatures.
  • Since a tractor is driven in harsh climatic conditions and rugged terrains, it needs higher cold cranking amps to start the engine.
  • Not just CCA, but a farm tractor battery needs a deep-cycle service, which delivers more amp-hours (AH).
  • AH is the measure of power that a battery can provide over a given length of time.
  • AH determines the tractor battery

Difference In The Design

  • A car battery is designed to produce a large amount of current in a short time period.
  • On the other hand, a farm tractor battery, which is a deep-cycle battery, generates a steady amount of current over a long time period.
  • A tractor battery is capable of withstanding a higher number of discharge cycles compared to a car battery.

Why Does a Farm Tractor Battery Have Higher Durability Than a Car Battery?

  • An alternator is a direct source of electric current for the vehicle. Along with the battery, it works to generate power for the different electric components in a vehicle.
  • An alternator transforms mechanical energy into electrical energy as an alternate current.
  • Proper functioning of the alternator helps to recharge a vehicle’s battery.
  • In a tractor, the alternator is unable to recharge the farm tractor battery sufficiently to keep pace with the requirement.
  • For this reason, a farm tractor battery has a higher cranking power and reserve capacity.
  • The reverse capacity of a battery is the number of minutes that a fully charged battery can sustain at 25 amps current before the voltage starts decreasing.

A car battery generates a higher cranking power at the start. However, a deep-cycle battery such as a tractor battery is more durable. Both car batteries and tractor batteries are lead-acid batteries, having a voltage of 12V.

It is important to choose the right battery for the right application. It is essential to use a farm tractor battery in a tractor and not think about installing a car battery in it and vice versa. Choosing the right battery is crucial for the performance and life of your vehicle.

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Filed Under: Mobile Battery Replacement

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