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caRon 
Silver Level
Joined: 14 Sep 2009
Location: Indiana
Points: 298
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 Topic: Battery cable size?
Posted: 27 Sep 2019 at 11:23am |
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I have some 2/0 battery cables. Are they too big for a 12 Volt CA tractor, or is bigger better?
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Rhoadesy_65
Bronze Level
Joined: 28 Jul 2019
Location: Versailles, OH
Points: 147
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Posted: 27 Sep 2019 at 11:57am |
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Bigger wires have less resistance, just like a bigger pipe lets more water flow. Less resistance means it will carry a higher amperage, so bigger the better.
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Farmin' with 1981 7010 PD, Great Grandpas 1947 Farmall H, JD 7000 planter, JD model B drill, NH 316 Baler, NH 1411 Discbine ,JD 100 8 Shank Chisel. Darke County OH
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Joe(TX)
Orange Level
Joined: 11 Sep 2009
Location: Weatherford. TX
Points: 1682
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Posted: 27 Sep 2019 at 12:26pm |
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I use no. 2 cables on my diesels. 2/0 is pretty big but will work.
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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Dusty MI
Orange Level
Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5058
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Posted: 27 Sep 2019 at 1:06pm |
Think of electricity as water. Pressure/Voltage Flow/Amps Pipe size/Wire size
Dusty
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917 H, '48 G, '65 D-10 series III "Allis Express"
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Bill_MN
Orange Level
Joined: 12 Sep 2009
Location: Sioux Falls, SD
Points: 1466
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Posted: 27 Sep 2019 at 7:51pm |
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I have 2/0 cables on a 12 volt WD, bigger cables are also safer as they will not heat up as much with higher amps. Only minus is they are harder to bend and shape.
Edited by Bill_MN - 27 Sep 2019 at 7:52pm
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1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow
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Steve in NJ
Orange Level Access
Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11925
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Posted: 28 Sep 2019 at 7:55am |
2/0 cables are a bit overkill, but will work just fine. 1 gauge would be the norm for 6V but is a nice step-up for 12V systems. I build my cables in the 1 gauge for both systems. The 2/0 would be real good for the 6V for the amperage factor... Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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caRon
Silver Level
Joined: 14 Sep 2009
Location: Indiana
Points: 298
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Posted: 28 Sep 2019 at 8:34am |
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thanks
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CA Tractor
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