What's the 2001 dodge cummins battery size?

The 2001 Dodge Cummins uses a group 27 battery and they recommend that You get a battery that has a MINImum of 675 cold cranking amps. The 2001 Dodge Cummins is similar to many diesel vehicles and actually comes with two batteries that are under the hood, both of these are the same size and should be replaced at the same time. Diesel trucks take a lot of power to start and that's why Dodge has it set up with a system that can deliver over 1,300 cold cranking amps to turn over the large engine. If You ever notice that Your truck is hard to start then the first thing You should check are the batteries and alternator.