need a new rectifier

ayrport

ayrport

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ayr ontario canada
hi there!
im new to the forum and the tractor world!
i do have a GR2110with a 48" blower on it and an uder belly lawn mower for it as well!
i have just got a B6000 with a bucket on the front and a scraper blade on the rear. it is in very good condition all around.
only problem is i think the rectifier is not working, i cant seem to find a new one! what options do i have? can they be rebuilt?
thanks jim
 
S

sagor

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BX25, BX2750D, BX2760A, 5' back blade
Jan 9, 2017
272
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Sudbury, ON, Canada
I agree with BXRAY, the old B6000 manual states it is a full wave rectifier. Not sure if it is all one module or 4 individual diodes in bride configuration. If individual diodes, you can remove each and test with an ohm meter. If an actual bridge rectifier module, you have to replace the entire unit. Not sure what the ratings are for the B6000, but there are lots of 200V-400V-600V at 25A bridge rectifiers out there in the online market. Some will be 35A.
The key is the current rating, because I have doubts a 25A or 35A may be enough...
If they are individual diodes, and press fitted into the bracket, they may be similar to older style alternator diodes. The picture from Ebay shows what looks like standard press fitted alternator diodes.

Link to manual:
http://www.kubotabooks.com/AutoInde...Owners Manuals/&file=B6000 Service Manual.pdf
 
Last edited:
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sagor

Active member

Equipment
BX25, BX2750D, BX2760A, 5' back blade
Jan 9, 2017
272
50
28
Sudbury, ON, Canada
S

sagor

Active member

Equipment
BX25, BX2750D, BX2760A, 5' back blade
Jan 9, 2017
272
50
28
Sudbury, ON, Canada
1

100 td

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B21TLB (B21, TL421 & BT751) Toyota SDK4 T116 Bobcat
Aug 29, 2015
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ɹǝpunuʍop
2 have their own heatsinks, the other can be bolted to the existing plate or metal dash panel with some heatsink compound, I can't see a B6000 dynamo putting out more than 15 amps.
 
ayrport

ayrport

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100 td said:
2 have their own heatsinks, the other can be bolted to the existing plate or metal dash panel with some heatsink compound, I can't see a B6000 dynamo putting out more than 15 amps.
Click to expand...
thanks for all the info!
im sure the ones with four post and heat sinc will work! im not too savy with electronic so will have to figure out the wireing. 15 amps should do it!
every one has been a great help!
i know im in the right forum now!
jim:)
 
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100 td

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B21TLB (B21, TL421 & BT751) Toyota SDK4 T116 Bobcat
Aug 29, 2015
1,776
8
38
ɹǝpunuʍop
4 wires, 2 from dynamo to AC ~ terminals, + & - out.
They may have only 1 terminal marked, + , the diagonal opposite is - , the other 2 are AC. If the corner is trimmed off at an angle it is + , the 100A one will be marked on the terminals or the +/- are as per the sticker, (closest to the sticker), AC terminals farthest away
 
ayrport

ayrport

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ayr ontario canada
100 td said:
4 wires, 2 from dynamo to AC ~ terminals, + & - out.
They may have only 1 terminal marked, + , the diagonal opposite is - , the other 2 are AC. If the corner is trimmed off at an angle it is + , the 100A one will be marked on the terminals or the +/- are as per the sticker, (closest to the sticker), AC terminals farthest away
Click to expand...
many thanks
jim
 
85Hokie

85Hokie

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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
Jul 13, 2013
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ayrport said:
thanks for your reply! i have just ordered a different one for now, i will keep this info on file incase the one i ordered dosen't work out!
thanks jim
Click to expand...
Jim,

have not read all the posts closely - but did you test the dyno to see if it is putting out AC?
 
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100 td

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Equipment
B21TLB (B21, TL421 & BT751) Toyota SDK4 T116 Bobcat
Aug 29, 2015
1,776
8
38
ɹǝpunuʍop
ebs said:
J5000 rectifier - see eBay http://www.ebay.com/itm/Regulator-R...-55250-67211-55230-rs1104-j5000-/371738498168
About $50. Google it. I put one in my B6000; works fine.
ebs
Click to expand...
This "appears" to be a combination rectifier and regulator, from what the OP says he is chasing, is a rectifier. I hope that's what he actually wants, or he may need what you have linked above.
85Hokie said:
Jim,
have not read all the posts closely - but did you test the dyno to see if it is putting out AC?
Click to expand...
I hope he has as well, but as he said "i think the rectifier is not working", I'm hoping he had checked it to make the assumption!
 
85Hokie

85Hokie

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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
Jul 13, 2013
10,418
2,211
113
Bedford - VA
100 td said:
I hope he has as well, but as he said "i think the rectifier is not working", I'm hoping he had checked it to make the assumption!
Click to expand...
I am too! ;):)

Rectifiers can go bad, much like any other solid state device........but the dyno could be bad.....OR A wire from the dyno TO the rectifier could be loose!

this info is straight from the manual:

 
ayrport

ayrport

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Jan 25, 2017
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ayr ontario canada
85Hokie said:
I am too! ;):)

Rectifiers can go bad, much like any other solid state device........but the dyno could be bad.....OR A wire from the dyno TO the rectifier could be loose!

this info is straight from the manual:

Click to expand...
thanks evey one for the great replys. i have just go it a a short time ago and it's stored in my garage at this point. i havn't had time to play a lot with it!
i have an other kubota GR2110 with a blower on it. ill get serious with the B6000 in the spring. for now im learning and collecting info for then and will purchase parts ahead of time. you are correct on the dyno not a generator!
thanks jim
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