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07-29-2021, 02:20 PM
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#1
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Senior Member
Join Date: Aug 2017
Posts: 273
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What CCA for new chassis starting batteries?
WHAT CCA FOR NEW CHASSIS STARTING BATTERIES?
Our chassis start batteries have six years on them now, so I am thinking its close to replacement time. I took a look and we have a 2005 Alpine Coach 36FDDS with a Cummins ISL 400hp 8.9L diesel. It has two (in parallel) Super Start (OReilly) Fleet & Heavy Duty, product number 314J, 12 volt, 775 Cold Cranking Amps (CCA), Group 31 size.
From looking around, it seems the 775 CCA is too low. I think the Alpines came from the factory with 900 or 950 CCA? I don't know why they are in there. Maybe the guy that sold it to me was trying to save some money. I may be stressing the starter? But the 775 CCA I have seems to work ok.
To be sure, how many CCA are your Alpine chassis starting batteries?
And what do you think about AGM versus maintenance free?
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-29-2021, 04:22 PM
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#2
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,004
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Mine are group 31T (which I think stands for terminal) and they are 950CCA.
I replaced mine a couple of years ago and found replacement Interstates for around $100 a piece.
__________________
Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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07-29-2021, 08:01 PM
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#3
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Registered User
Join Date: Jan 2021
Posts: 2,184
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Get the 950 CCA’s.
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07-30-2021, 11:19 AM
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#4
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Senior Member
Join Date: Aug 2017
Posts: 273
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Thanks
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-30-2021, 11:25 AM
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#5
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Senior Member
Join Date: Oct 2014
Posts: 7,867
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You can't have too many CCA's!
Get the largest/highest CCA batteries that will fit in your battery location. Often, height is one of the variables that can increase.
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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07-31-2021, 12:03 AM
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#6
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Senior Member
Join Date: Aug 2017
Posts: 273
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I want big. I just want to find out how much they came with so I can see how much more than original I got.
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-31-2021, 07:40 AM
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#7
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Registered User
Join Date: Jan 2021
Posts: 2,184
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Here it is.
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07-31-2021, 10:39 AM
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#8
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Senior Member
Join Date: Aug 2017
Posts: 273
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Thanks Kid Gloves! So it was only Interstate 660 CCA maintenance free. I am surprised.
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-31-2021, 11:34 AM
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#9
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Registered User
Join Date: Jan 2021
Posts: 2,184
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2 group size 31 batteries with 950 CCA’s will give you a nearly 50% increase over the OEM batteries. You could go bigger, heavier, more expensive, but why?
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07-31-2021, 02:02 PM
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#10
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,004
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Quote:
Originally Posted by Kid Gloves
2 group size 31 batteries with 950 CCA’s will give you a nearly 50% increase over the OEM batteries. You could go bigger, heavier, more expensive, but why?
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This set-up (2X950CCA) has worked well for us and seems to be the preferred choice of many other Alpine owners!
__________________
Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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07-31-2021, 02:12 PM
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#11
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,004
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I just looked and by the 2007 MY Brochure Alpine was specifying 925CCA Batteries as standard equipment.
This may be one of the reasons so many have upgraded in later years
__________________
Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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07-31-2021, 06:05 PM
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#12
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Senior Member
Join Date: Aug 2017
Posts: 273
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The 950's sound good. Especially if they moved up from 660 to 925.
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-31-2021, 06:07 PM
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#13
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Senior Member
Join Date: Aug 2017
Posts: 273
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Quote:
Originally Posted by paul65k
I just looked and by the 2007 MY Brochure Alpine was specifying 925CCA Batteries as standard equipment.
This may be one of the reasons so many have upgraded in later years
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If they increased the CCA's, they must been having some issues.
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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07-31-2021, 06:08 PM
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#14
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,004
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Quote:
Originally Posted by 3x5
If they increased the CCA's, they must been having some issues.
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I would seem to agree..... It certainly wasn't a cost-cutting measure
__________________
Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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