4 Best Batteries for 5.9L Cummins Diesel Engine for 2021

Are you in need of a battery that will serve all your power needs in that posh 5.9L Cummins diesel engine? Well, this article is for you! Your engine may pose significant challenges in cranking when the weather conditions are extreme. As such, you need a robust and reliable battery for outstanding performances of your vehicle.

However, there are a lot of battery group sizes in the market and choosing the best model is quite a challenge. Because of that, this article has reviewed the best batteries for 5.9L Cummins diesel engines.

What Is a Cummins Diesel Engine?

These engines are the most potent turbo engines and the most reliable engine for heavy-duty purposes. The engine’s replacement capacity ranges from 2.8 to 95 litres. With this engine, be sure that the turbo enabled unit will serve all your specific needs.

What Makes the Cummings Engines Preferable?

This popular truck engine is preferred because they have torque and horsepower needed by trucks to ferry heavy loads. Also, the engines are durable when well-maintained to ensure it has a long lifespan.

Even though there are a lot of battery models suited for 5.9L Cummings engines in the market, this article narrows down the list to the best 4 models.

Here is a list below:

  1. ACDelco Professional Automotive Battery (65AGMHR)
  2. NorthStar pure lead Automotive battery ( NSB-AGM65)
  3. Odyssey Automotive and LTV Battery (65-PC1750T)
  4. Deka AGM Intimidator Battery (9A65)

Above is a list of my top four batteries that will serve your services to the best level. Always ensure the battery you choose is a perfect fit for your vehicle.

4 Best Batteries for 5.9L Cummins Diesel Engine Reviews

Most of these batteries are group 65 batteries. Therefore, whenever you need a replacement battery for your truck, consider this battery. After gruelling hours of research, I managed to come up with the four models based on the battery’s output, their durability, price, and performance, just to mention but a few.

1. ACDelco Professional Automotive Battery (65AGMHR)

The battery has an alley of features which makes it the choice number one for this purpose. It has an incredible CCA and a great reserve capacity to ensure your vehicle’s performance is at the peak. It is designed with AMG technology which means there is no need to carry out maintenance practices. Below are some of its features.


  • It has a total weight of 20.8 kg.
  • Its dimensions measure 29.97 x 19.05 x 18.8 cm
  • It has a total voltage of 12 Volts
  • Its cold-cranking amps are 775
  • The battery’s RC is 150 minutes
  • It has a three years warranty that is unlimited

With the battery’s incredible CCA and RC, the battery can ignite your vehicle’s 5.9L Cummings diesel engine when you need it to. This is evidence that the battery is rugged enough to cope up with all your vehicle’s needs.

The amazing part about this battery is, when purchased it’s already full of juice. The battery is well designed with a robust housing so you should not worry about driving on uneven terrain.

Its AGM design ensures that the battery is leakage-free with well-vented caps. The battery has strong posts and separators to make sure the battery’s resistance is minimized. To ensure there is a continuous circulation of acid in the battery, the battery is constructed with a ribbed design.

On the other hand, the battery’s temperature remains cool even if the battery operates for long. This is achieved through the free circulation of the electrolyte, which acts as a coolant. Also, the battery’s terminals are resistant to rust to ensure the battery’s performance remains at the bar, and high conductivity is maintained.


  • It is leakage free
  • It is resistant to corrosion and vibration
  • It has a long shelf-life
  • Its operation remains optimal even at extreme weather conditions
  • It has deep cycling capabilities


  • It is relatively heavy

2. Northstar Pure Lead Automotive Battery (NSB-AGM65)

In terms of CCA ratings and RC, this battery is the leading. Also, this battery helps you start your vehicle any time you need it to because of the incredible cold-cranking amps it boasts. It also has deep cycling capabilities, and it is made by use of AGM design. This battery is manufactured in the United States.


  • It has a total weight of 65 pounds
  • Its dimensions measure 11.8 x 7.3 x 7.4 inch
  • It has a total voltage of 12 Volts
  • It has cold crank amps amounting to 930
  • It is highly resistant to vibrations
  • It has a fast-charging rate
  • It is leakage free
  • It has a reserve capacity of 135 minutes
  • It has a four years warranty

The Northstar is designed with handles for easy movement and can supply 5.9L Cummins diesel engines with incredible reserve capacity. Its cranking power is so great, and thus, the battery can efficiently start or stop appliances.

The casing is designed in a way that all the battery’s contents are kept in the inside with no disruption. In other words, the battery is leakage free. Likewise, it has excellent resistance to vibrations and heat dissipated from the engine.

When compared to other batteries, this battery has amazing cold-cranking amps. Within four to six hours, the battery is fully charged, thus allowing you to use the battery for long with no disappointments.


  • It is strong
  • It is highly resistant to vibrations
  • It has a long shelf life
  • Once you purchase it, it comes with full juice
  • It is leakage free


  • Its price is relatively high

3. Odyssey Automotive and LTV Battery (65-pc1750T)

These batteries are designed to offer incredible power that helps you start your vehicle with ease. They also have deep cycling abilities and remarkable recovery. In case you are a person who travels each day, and your vehicle has a lot of accessories; then this battery suits you.

Also, this battery is a perfect fit for your hobbyist vehicles. The battery has more plates packed, thus increasing the surface area for reactions to take place for more power production.

Its power is twice that of conventional batteries, and its life is thrice that of conventional batteries. They are made of AGM design which means the battery is leakage free and highly reliable. Here are some of its features.


  • The battery has a total weight of 58 pounds
  • Its dimensions measure 1 x 1 x 1 inches
  • It has a total voltage of 12 Volts
  • Its amperage amounts to 65 Amps
  • It has an RC of 145 minutes
  • Its cold-cranking amps amount to 950
  • It’s resistant to vibrations
  • Its leakage free
  • Has a fast charging rate
  • It has a limited warranty of three years and a full warranty for four years

This battery is a famous unit because of the incredible power it boasts. Therefore, this battery is a perfect fit for your 5.9L Cummins diesel engine. With its pure lead plates, the battery can provide power twice than its competitors and can last for long.

The battery can be used in almost all vehicle types, mostly those that are heavy-duty vehicles. It’s designed with durability in mind since it is leakage-free because of its excellent AGM design.

With its incredible design, the battery has terminals that are resistant to corrosion to ensure there is high conductivity. It has a relief valve, oxygen recombination and other internal connections that are highly resistant to vibrations.

Therefore, you should have no worries driving on rough terrains as the battery will remain secure. The battery will never disappoint you since it can correctly work even in shallow weather conditions.


  • Its leakage free
  • Highly durable
  • Resistant to vibrations
  • Has a high CCA
  • It has a low discharge rate


  • Its warranty has hidden clauses

4. Deka AGM Intimidator Battery (9A65)

The battery is designed with an enhanced electrolyte system. Its outstanding resistance to vibrations makes it a perfect option for most vehicles. Also, it has deep cycling abilities with abilities to fast charge. Because of its AGM design, the battery is leakage free.

Therefore, there is no need to worry about your safety or your vehicles’. It’s a perfect fit for vas, trucks, Fords and Dodge. Here are its features.


  • It has a total weight of 5 pounds
  • Its dimensions measure 12 x 7.3 x 7.6 inches
  • Its CCA is 750
  • Its RC is 150 minutes
  • It has a one year warranty

This battery is considered as a high-performance battery because of its incredible features like extraordinary reserve capacity and incredible CCA. The battery has a long service life with amazing cranking amps that ensure your 5.9L Cummins diesel engines start when you need it to.

It works optimally even in extreme weather conditions. It’s also preferred because of its versatility to work in different vehicle models. Because of its performance, it’s the perfect choice for your 5.9L diesel engine.


  • Its leakage free
  • No need to maintain it
  • It’s a high performing battery


  • Inconsistent charging reduces its durability

The Bottom Line

From the discussion above, it’s true to say that the 5.9L Cummins engine deserves a battery that satisfies their great power needs. Therefore, for increased vehicle performance, you need the best battery even though selecting one is a task. However, this article is a guide that will help you select the best unit for your vehicle. Thank you.