I have a Class C Diesel motorhome that needed the 2 coach batteries replaced. Went to Costco and found they sale batteries by interstate. Interstate says I need Interstate Megatron batteries. The batt...
Coach battery, chassis battery, and starting battery is all the same to me. Diesel motors require 2 starting batteries. The original starter Motorcraft batteries lasted for 8 years. That is a good reason to replace with same brand.
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