Yusuke Kohara
Ever needed to be somewhere in a rush, but your car engine won’t startup? It’s frustrating, right?
If your car uses a diesel engine such as the Cummins 6.7L, you should know that this kind of engine required more battery power to start up compared to other engines.
You, therefore, need a heavy-duty battery that can service all your engine needs.
A 6.7L Cummins is the most powerful engine option, mostly used in pickup trucks. It can generate 1000 pound-feet of torque and 400hp.
This kind of engine also comes with other accessories like lights and pumps and therefore requires a powerful battery for that.
A good battery is one with solid specs like cold-cranking amps and a large reserve capacity.
A high cold-cranking amp provides the power needed to start up the engine and meet its other needs. The reserved capacity is necessary to run other accessories like the DVD player.
I have done the homework and searched for the best batteries available in the market for a 6.7L Cummins Diesel Engine.
In this article, we’ll review some of the best batteries for 6.7L Cummins diesel engines.
4 Top Rated 6.7L Cummins Diesel Engine Batteries Comparisons
1. Odyssey Battery 94R-850 Lead-Acid Battery
Odyssey designed this 94R-850 Lead-Acid Battery with enough power to handle extra accessories that come with the engine, like the lights and pumps.
It has a high cold cranking amp capacity to ensure a quick startup every time. It’s an excellent choice for daily use.
Specifications
- Model – 94R-850
- Voltage – 12 Volts
- Reserve capacity (RC) – 150 minutes
- Cold-Cranking Amps (CCA) – 850
- Pulse-Hot Cranking Amps – 1500
- Nominal capacity over 20 hrs – 80
- Item Dimensions – 12.36 x 6.85 x 7.47 inches
- Item Weight – 54.8 pounds
- Cycle life @ 77°F 400 at 100% DOD
- -40°F to 140°F Temperature Range
Pros
- It’s safe to use because of its non-spillage design: no acid spills and no escaping gas
- It can tolerate extreme temperatures (from -40°F to 113°F)
- It can tolerate high impact shock and mechanical vibrations that cause premature battery failure
- You can store it on an open circuit for two years
- It can recharge 100% in 4-6 hours, making it ready for the next startup
- You can mount it in any position (except inverted)
- It has a 70% longer cycle than conventional deep cycle batteries
- It can last up to three times as long as other conventional batteries
- It lasts for a long, 3-10 years
- There’s no need to add water for maintenance
Cons
- The slope of the base is steeper than other batteries
- It’s expensive
- Not resistant to corrosion
2. ACDelco 94RAGM Professional AGM Automotive Battery
This battery manufactured by ACDelco has long cycles and stands out among the best available in the market.
It’s designed with high cycling capabilities, fast charge receptivity, and works excellently for start/stop vehicle applications.
ACDelco has professional parts manufactured to meet expectations for fit, form, and function, offering high quality and great value.
They provide a competitive priced yet quality alternative to unbranded aftermarket parts.
The ACDelco gold-label specialty parts are made to meet original equipment expectations for exceptional applications that require enhanced performance. This works well for police cars.
Specifications
- Voltage – 12 Volts
- Battery cell type – Silver-Calcium
- Weight – 51.6 pounds
- Dimensions – 12.4 x 6.9 x 7.5 inches
- Warranty – 3 years
- Cold-Cranking Amps (CCA) – 800
- Reserve capacity (RC) – 140
- Nominal capacity over 20 hrs – 80
- Battery type: Dual purpose
Pros
- It doesn’t require maintenance because it is designed as Absorbent Glass Mat (AGM) batteries
- It’s non-spillage, so no gas or acid leak as you use the battery
- It has a high CCA to start up any kind of diesel engine
- Its dual-purpose characteristic allows it to power electric and electronic systems on board and starts the main engine quickly
- It recharges very fast, ensuring that it’s ready for the next ‘stop’ cycle
- The silver-calcium material used to make it increases its life span and improves performance.
- It is designed to last long and can serve in any vehicle that uses diesel engines
- It can be placed in any position because of its anti-leak properties. The vent cap design stops the acid from leaking
- It has a robust envelope separator with a puncture-resistant back that allows for increased acid circulation. This helps the battery to remain cool and extend battery life
Cons
- It’s not resistant to corrosion
- It has a limited warranty
- It contains chemicals that can cause cancer and other terminal illnesses. Make sure you wash your hands after handling it
3. Delphi BU9094R (Reverse Terminal)
This Delphi BU9094R MaxStart is designed with enough power to handle all the electronics needs of the engine.
Whether you’re looking for a great value or premium battery that can power all the electronics in your car, then this product by Delphi is the best for you.
Specifications
- Voltage – 12 Volts
- Battery Cell type – Lead-Acid
- Terminal type – Marine Termina
- Item Weight – 51.5 pounds
- Product dimensions – 12.5 x 7.5 x 7 inches
- Cold-Cranking Amps (CCA) – 800
- Reverse Capacity (RC) – 140
- Nominal capacity over 20 hrs – 80
Pros
- It has extended cold-cranking amps for more power to meet the needs of the diesel engine
- The high reversed capacity helps to run other accessories like the DVD players and heated seats
- It has superior corrosion resistance characteristics because of its sealed housing with a diverse venting system
- It has high vibration resistance, such that it doesn’t leak acid or gases. Its vibration resistance is 20 times more than other conventional batteries. Because of this ability, it makes it suitable for rough terrains
- It has improved fortified posts, component compression, welds and straps
- It’s made of absorbed glass mart making it safe to use
- Delphi AGM batteries have an improved cycle life as compared to other conventional batteries
Cons
- It’s smaller than other batteries, and you might need to make adjustments to place it in its place
- It’s expensive
4. NORTHSTAR NSB – AGM94R Pure Lead Automotive Battery
This engine battery from NorthStar is build to exceed all your battery needs and allow you to enjoy years of no worry.
It delivers superior performance, exceeds conventional battery life expectancies, and reduces the overall cost of ownership. It’s an ideal choice for sport, luxury, SUV, classic, and off-road cars.
Specifications
- Pulse Cranking Amps – 1,650 A
- CA/MCA at 32°F; 1,030 A
- Cold-Cranking Amps (CCA) – 840 A @ 0°F
- Reverse Capacity (RC): 158 min
- Capacity: 76Ah @ 20 Hour Rate
- Battery Cell Type: Sealed Lead Acid
- Item Weight: 57 pounds
- Voltage: 12 Volts
- Item Dimensions: 12.4 x 6.9 x 7.4 inches
Pros
- It operates on Pure Lead AGM Technology which provides exceptional reserve capacity cycling ability and cold-cranking amps ratings
- It starts up very quickly every time
- It cycles more than 400 times to 80% depth of discharge
- It recharges fast compared to other conventional batteries
- It can be installed on the side because of its anti-leak properties. It does not leak acid or gas
- It’s housed in advanced plastic to increase durability, performance, and heat resistance
- AGM Technology makes sure that no maintenance is needed as you don’t need to keep adding water or clean terminals
- It’s approved as non-hazardous, and therefore it’s safe for transportation and usage
- Its housing makes it resistant to corrosion
Cons
- It’s expensive
- The company offers a short warranty
Conclusion
The batteries we have discussed in this article are found to be the best that are available in the market today.
Your 6.7L diesel engine deserves a high quality and reliable engine for it to function properly.
When your car battery is in good condition, you also get to be at peace knowing that you can use your car any time that you choose.
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