What batteries fit in 880 Implematic crossbox?

[DavidRushmer]

Hello All, I've just aquired an 1962 880 Implematic in good running order and had dynamo checked as it was siezed. On the advice of the auto electrician, I also fitted a new regulator. She started on a big 12 volt battery via jump leads (positive earth) but I'd like to put a pair in the crossbox to keep her as original as possible. Do they have to be 2 x 6 volt wired in series or can they be small 12 volt ones. There isn't a lot of room in each box to fit them. What battery type/code/amperage do I need please? Thanks DavidR, Wisbech, Cambs.

[Guest]

Originally David it would have had 2 6Volt batteries connected in series, you can still get these batteries but they would cost you well into 3 figures. You can get away with using a small single 12Volt that will fit in one of the boxes, hydraulic lever side, but you would need one with a fairly large power delivery and if the tractor is an easy starter and swings over easy that will work quite adequateley, some people make up a carrier frame for a normal tractor battery and bolt it on the starter motor side of the chassis frame, depends on how much of a purist you are.

[jimc1390]

i cant remember the make of them but has anyone else seen those batterys thats are quite small but some hellish cca to them, weird shape thing with a yellow top?

[richbug]

i cant remember the make of them but has anyone else seen those batterys thats are quite small but some hellish cca to them, weird shape thing with a yellow top?

Optima? All marketing... Nothing special unless you need to mount them in a odd orientation.

If you want to spend that much money on a battery find a "GEL Cell". Fiberglass mats between the plates, the acid is Jellylike.... They take an incredible amount of abuse.

6v tractor batteries aren't all that expensive here, $50 and up(30Pds Sterling).

[Guest]

Single normal type 643 644 12Volt batteries at best are around £70 plus VAT, original 6Volts are around £120 each plus VAT and the gel 'optima' or 'deep cycle' 12Volt battery is £150 plus VAT. a smaller 90Ah type battery, number 069 or 072 if it will fit the battery box, are around £40 plus VAT.

[DavidRushmer]

Thanks to one and all for your replies. It's good to know there are 'technicians' in our club who take time to help us novices. I guess I may well go for the 643 or 644 fitted in a tray on side of tractor next to the starter. It looks OK on my Cropmaster so why not on my 880. Cheers DavidR

[jimc1390]

if your not worried about being a purist then its a better option not only will one battery do the job but you dont have a massive length of battery lead that could lead to volt drop issues in years to come