6.7 cummins battery replacement

6.7 Cummins Battery Replacement


August 10, 2022

To start a Cummins 6.7L engine, you’ll need more battery power than with other engines, therefore you should know 6.7 Cummins battery replacement before you start your diesel vehicle.

Have you ever had trouble starting your automobile when you needed to get somewhere quickly?

Isn’t it also painful, isn’t it?

To keep up with the demands of your engine, you’ll need a robust battery.

6.7L Cummins: What Is It?

Engines with the maximum power are typically found in pickup trucks, such as the 6.7L Cummins engine.

400 horsepower and 1000 pound-feet of torque can be generated by this vehicle.

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The fact that this type of engine comes with additional accessories such as lights and pumps indicates that it requires a big battery.

Solid specifications, such as high cold-cranking amps and a substantial reserve capacity, are indicative of a good battery.

Power to start the engine and meet its other requirements is provided by a high cold-cranking amp rating.

To run other devices such as the DVD player, the reserved capacity is required.

For this post, we’ll go over the best batteries for 6.7L Cummins diesel engines.

6.7 Cummins Battery Replacement: Here Are 4 Best Options

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1. Odyssey Battery 94R-850 Performance Automotive Lead-Acid Battery

To manage the extra accessories that go with the engine, such as the lights and pumps, Odyssey created this 94R-850 lead-acid battery having adequate power to handle them.

It features a high capacity of cold cranking amp, which ensures that it starts up quickly every time.

It’s a fantastic option for everyday wear and tear.


  • Model – 94R-850
  • Reserve capacity (RC) – 150 minutes
  • Voltage – 12 Volts
  • Cold-Cranking Amps (CCA) – 850
  • Over 20 hrs nominal capacity – 80
  • Pulse-Hot Cranking Amps – 1500
  • Item Weight – 54.8 pounds
  • Item Dimensions – 12.36 x 6.85 x 7.47 inches
  • -40°F to 140°F Temperature Range
  • Cycle life @ 77°F 400 at 100% DOD


  • Because of its non-spill design, it is completely safe to use: there are no escaping gas and no acid spills.
  • It is capable of withstanding harsh temperatures (ranging from -40°F to 113°F).
  • It is capable of withstanding mechanical vibrations and high-impact shock that would otherwise cause early battery failure.
  • You can keep it on an open circuit for up to two years without harming it.
  • Within 4-6 hours, it can be fully recharged and ready for use on the next startup.
  • It can be mounted in any location you like (except inverted)
  • It has a cycle life that is 70% longer than that of standard deep cycle batteries.
  • It has the potential to last up to 3 times as long as other traditional batteries.
  • It has a lengthy shelf life of 3-10 years.
  • There is no requirement to add water during maintenance.


  • The base of this battery has a steeper slope than other batteries.
  • It is prohibitively pricey.
  • Corrosion resistance is insufficient.

Using this product, you can be confident in your ability to depend on your vehicle anytime you require it.

You will also save money on battery replacement because this product is long-lasting and needs no maintenance.

As a result of its capacity to tolerate high temperatures, your truck is suitable for usage throughout the year.

2. ACDelco 94RAGM 36 Month Warranty Professional AGM Automotive Battery

Because of its high cycle life, this battery made by ACDelco stands out as being one of the best options available on the market.

It has been developed to have high cycling capabilities as well as fast charge receptivity, making it a good choice for start/stop vehicle uses.

ACDelco has professional components that are manufactured to meet or exceed standards in terms of form, fit, and function, while also providing excellent value.

In comparison to unbranded aftermarket parts, they offer a competitively priced and high-quality alternative.

The ACDelco gold-label specialty parts are designed to meet or exceed the specifications of the original equipment manufacturer for exceptional situations requiring higher performance.

This is particularly useful for police cruisers.


  • Voltage – 12 Volts
  • Weight – 51.6 pounds
  • Battery cell type – Silver-Calcium
  • Dimensions – 12.4 x 6.9 x 7.5 inches
  • Cold-Cranking Amps (CCA) – 800
  • Warranty – 3 years
  • Over 20 hrs nominal capacity – 80
  • Reserve capacity (RC) – 140
  • Battery type: Dual purpose


  • Because it is constructed as Absorbent Glass Mat (AGM) batteries, it does not require any ongoing maintenance.
  • Because it is non-spillage, there will be no acid or gas leakage when you utilize the battery.
  • It has a high CCA and can be used to start any type of diesel engine.
  • Its dual-purpose capability enables it to provide power to electric and electronic equipment on board while also enabling it to start the main engine swiftly.
  • It recharges extremely quickly, ensuring that it is ready for the next stop cycle as soon as possible.
  • Due to the usage of silver-calcium alloy in its construction, it has a longer life span and performs better overall.
  • It is built to last for a long time and may be used in any vehicle powered by a diesel engine.
  • Because of its anti-leak qualities, it can be installed in virtually any location. The design of the vent cap prevents the acid from leaking.
  • This product features a durable envelope separator with a puncture-resistant back that enables improved acid circulation. This assists in keeping the battery cool and extending the battery’s life.


  • It is not corrosion-resistant in any way.
  • It is covered by a limited warranty.
  • This product includes chemicals that have the potential to cause other fatal disorders and cancer. After handling it, make sure to wash your hands thoroughly.

This battery has been engineered to provide exceptional power performance capabilities.

If you’re searching for a battery that will last a long time while still providing excellent performance, this is your best option.

Batteries from ACDelco have been laboratory-tested and field-proven, and they are backed by an amazing warranty.

3. Delphi BU9094R MaxStart AGM Premium (Reverse Terminal)

Designed with adequate power to handle all of the engine’s electronic requirements, the Delphi BU9094R MaxStart is a reliable choice.

You’ll find this product from Delphi to be the perfect choice if you’re seeking a fantastic value or a premium battery that can run all of the systems in your car.


  • Voltage – 12 Volts
  • Terminal type – Marine Termina
  • Battery Cell type – Lead-Acid
  • Item Weight – 51.5 pounds
  • Cold-Cranking Amps (CCA) – 800
  • Product dimensions – 12.5 x 7.5 x 7 inches
  • Over 20 hrs nominal capacity – 80
  • Reverse Capacity (RC) – 140


  • It has increased cold-cranking amps to provide more power to fulfill the needs of the diesel engine, which is a new feature.
  • The large reversed capacity makes it possible to run additional items such as heated seats and DVD players.
  • This product offers outstanding corrosion resistance properties as a result of its sealed housing and multiple venting configurations.
  • It has a high level of vibration resistance, which ensures that it does not leak acid or gaseous substances. It has a vibration resistance that is 20 times greater than that of other traditional batteries. Consequently, it is suited for usage on rocky terrains as a result of this ability.
  • It has made strengthened posts, component compression, welds, and straps more durable and reliable.
  • Because it is constructed of an absorbed glass market, it is completely safe to use.
  • When compared to other conventional batteries, Delphi AGM batteries offer a longer cycle life than their counterparts.


  • It’s a little smaller than other batteries, so you may have to make some changes to get it to fit where you want it.
  • It is prohibitively pricey.

Even in harsh terrain, rocky, and bumpy locations, this battery is designed to perform well.

You will need this battery if you frequently drive through these types of environments so that you will not have to replace it as often.

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4. NORTHSTAR Pure Lead Automotive Group NSB – AGM94R

This NorthStar engine battery is designed to meet and exceed all of your battery requirements, allowing you to enjoy years of worry-free operation.

It provides higher performance, outperforms standard battery life expectancies, and lowers the total cost of ownership compared to conventional batteries.

For sport, SUV, luxury, off-road vehicles, and classic, it is an excellent choice.


  • Pulse Cranking Amps – 1,650 A
  • Cold-Cranking Amps (CCA) – 840 A @ 0°F
  • CA/MCA at 32°F; 1,030 A
  • Reverse Capacity (RC): 158 min
  • Battery Cell Type: Sealed Lead Acid
  • Capacity: 76Ah @ 20 Hour Rate
  • Item Weight: 57 pounds
  • Item Dimensions: 12.4 x 6.9 x 7.4 inches
  • Voltage: 12 Volts


  • It is powered by Pure Lead AGM Technology, which delivers superior reserve capacity cycling abilities as well as cold-cranking amps ratings, among other things.
  • Every time it starts up, it does it fairly swiftly.
  • It cycles more than 400 times, reaching a depth of discharge of 80 percent.
  • When compared to other traditional batteries, it recharges far more quickly.
  • Because of its anti-leak qualities, it is suitable for installation on the side. It does not exude acid or gas at all.
  • Performance, durability, and heat resistance are all enhanced by the use of modern plastic construction.
  • There are no maintenance requirements with AGM Technology because there is no need to add clean terminals or water regularly.
  • It has been determined to be non-hazardous, and as a result, it is safe for transit and use.
  • Because of its housing, it is resistant to corrosion.


  • It is prohibitively pricey.
  • A limited warranty is provided by the company.

A remarkable cycling life of 400 times that of a typical battery enables it to give superior performance in a wide range of applications.


For A Diesel Vehicle, How Many Batteries Am I Going To Need?

If you had a larger battery for the diesel truck, it would be more convenient.

Some truck owners, on the other hand, have two batteries.

High cranking amps are required for diesel engines.

Are Cold Cramping Amps A Type Of Amp?

CCA is the standard for cold-weather battery performance.

You need to calculate the battery’s CCA rating by determining how many amps it delivers.

When temperatures drop below zero, it’s critical to pay attention to CCA ratings.

How Long Is The Battery Life Of A Cummins 6.7L?

Your Cummins 6.7L engine gets a boost of power from the premium battery that comes with it.

How long you drive, the amount of electricity you use, and the weather conditions all affect the battery’s life expectancy.

What Are The Most Prevalent Indicators Of A Faulty Battery?

You can’t start your car if your battery is dead.

Additionally, your car’s cranking speed has been slowed, and the cylinders of your battery have ignited.


The batteries that we have reviewed in this post have been determined to be the best that is currently available on the market.

Your 6.7L diesel engine needs to be powered by a high-quality and dependable engine for it to operate properly.

If your car battery is in excellent condition, you can rest assured that you will be able to use your vehicle whenever you choose.


Jeffrey Bryce is an experienced motorcycle rider with years of experience caring for motorcycles. His natural fondness for motorcycles have made him come up with LetsGoForARide.com, which is dedicated to answering and teaching you how to care for your bike with the care it requires. LetsGoForARide is the one of his important lifework in reaching out to communities of motorcycle enthusiasts on how to take care of their bike and choosing the correct spare part.