Caterpillar (CAT) AGM batteries

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Originally Posted by isuzu110

My father and a mate bought 2 CAT batteries at the same time. They were deep cycle, not AGM. Both failed prematurely and CAT did not honour the warranty on either because they had not been used for their intended purpose - something like that. One was in a campervan with a dual battery system and the other a caravan.

So before you buy, check out the conditions on their warranty.

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I bought a CAT battery in Melbourne and they replaced it under warranty after 12 months even though they could not prove whether or not it was faulty. From that perspective, I liked their warranty.

Quote:

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Originally Posted by isuzu110

My father and a mate bought 2 CAT batteries at the same time. They were deep cycle, not AGM. Both failed prematurely and CAT did not honour the warranty on either because they had not been used for their intended purpose - something like that. One was in a campervan with a dual battery system and the other a caravan.

So before you buy, check out the conditions on their warranty.

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I have had the same issue. I have had two sets of these fail prematurely, and CAT basically said 'tough luck'

Both sets were used for cranking on a CAT genset, that CAT serviced, and CAT recommended these batteries. Needless to say, we stopped using these batteries after that....

I rang Westrac yesterday re a cranking battery for the Deafener, first bloke showed some interest but second bloke when I rang again just said "We only have batteries for Toyotas and Nissans".
With that level of knowledge available over the counter I don't think I'll bother, but I will go there today with dimensions and see what happens. Maybe I'll get someone who can think further than "Oh what a feeling".
AlanH.

Quote:

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Originally Posted by ATH

I rang Westrac yesterday re a cranking battery for the Deafener, first bloke showed some interest but second bloke when I rang again just said "We only have batteries for Toyotas and Nissans".
With that level of knowledge available over the counter I don't think I'll bother, but I will go there today with dimensions and see what happens. Maybe I'll get someone who can think further than "Oh what a feeling".
AlanH.

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I had most luck when :wasntmedealing in part no.s having studied the catelogue online

I have a cat battery in defender its not agm how ever its been very good

460,
how old?

Well I've been in my new house three years and I put it in before that so its at least four years old maybe five its just the start battery and its not even the big boy 1000cca I think its only about 800/900cca I can check later for numbers ect

After my td5 sat for quite a few weeks (probably a couple of months actually) I had a flat cranking battery.

I had a brain fade and was thinking my solar which is connected to an aux bank would back charge the cranking battery through the isolator/charger - so when after a few days 'on charge' with no resulting change in voltage I decided the battery was dead and went and bought a replacement.

Of course the electrical system doesn't work the way I was thinking, and no charge from the solar was making its way back to the crank battery after all. Once I had it on the bench I borrowed a charger and charged up the old one and its still showing 12.8v having sat for 24 hours after charging.

The long and short of it is that I have current retail pricing for a 175-4370 from my local deal (William Adams) being $170.35 + GST ($187.39).

Up from $144.23 + GST ($158.65) 4.5 years ago.

Why go with an AGM battery for a cranking battery they are no good with heat and always encounter premature failure. covs do a century product 100 ah AGM for about $210. AGM batts are designed for storage and usage not a daily engine driver. Stick with lead acid it's cheaper and generally lasts longer. As far as getting a storage battery can't beat the AGM but beware they need to be stored almost on a fully auto charger otherwise you reduce the battery life from about 7 years to 3 years.