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Need Hydro-Gear Fan

Apr 21, 2021#1

Kevin Toadman

Hello, this is the first post and I'm not sure if it's in the right place. I'm having a tough time locating a hydro cooling fan for a Troy Built Zero turn mower. I've searched for two hours and can't find anything that is for sure the correct one. Parts diagrams do not show the fan part number. Hydro-Gears website did no good either. Does anybody out there have any way to know what fan will fit Hydro number ZC-AMBB-4DDB-3RPX ? I only need the plastic fan. Thanks for any help or advice.

Apr 21, 2021#2

I

ILENGINE

Hydrogear had an update on their drive pulley fan setups a few years back and now only offer the pulley/fan as a kit part number 72134

Apr 21, 2021#3

Hammermechanicman

If you still have the hub of the old fan you can google "hydro gear fan" and match up the old hub to a picture. I have done a few JD mowers this way. Belt comes off and rips blades off the fan hub and JD nor Hydro Gear don't spare out the fan number but they are available.

Apr 21, 2021#4

StarTech

Should be PN 52365 superseded to PN 53050 per IPL I got here from 8/2020.

And yes the 71351 kit is superseded to 72134.

Apr 21, 2021#5

M

mechanic mark

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Apr 22, 2021#6

Kevin Toadman

ILENGINE said:
Hydrogear had an update on their drive pulley fan setups a few years back and now only offer the pulley/fan as a kit part number 72134

Thank you very much!

Apr 22, 2021#7

Kevin Toadman

ILENGINE said:
Hydrogear had an update on their drive pulley fan setups a few years back and now only offer the pulley/fan as a kit part number 72134

That's right that Hydrogear doesn't offer the fan separate. I tool the old one off and looked close and the number 53050 was molded into the hub. I searched that number up and found the blade by itself for under 20 bux.

Apr 22, 2021#8

Kevin Toadman

StarTech said:
Should be PN 52365 superseded to PN 53050 per IPL I got here from 8/2020.
View attachment 56162
And yes the 71351 kit is superseded to 72134.

I looked at the old hub and it has 53050 on it, I got one one the way. Thanks...

Apr 24, 2021#9

R

Rocky J

while you have the unit out it would be a good time to change oil in it. 2 qt 20/50w engine oil. I am sure if fan was broken it has been hot a few times and condensate a bit of water. I have the same mower and fan blade was broken and at times would just stop pulling until allowed to cool. New fan and oil and has been fine for two years.

Apr 25, 2021#10

S

Southland

Just send an email to Hydro-Gear with the part number on the sticker attached with the transmission and they'll send you the exact replacement part number. I had to replace the fan on my Troy-Bilt zero turn a couple of years ago. The replacement part for my mower was also 72134, but there are different configurations for EZTs. Hydro-Gear responded within 1 day. Contact info is at the bottom of their website. I also drained and refilled the fluid in both transmissions at the same time. The fill port is on top and the service manual is on Hydro-Gear's web site. I used Mobil1 15w-50.

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Hydro-Gear is the world’s leading manufacturer of drivetrain solutions for everything from industrial machines to residential mowers.

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Apr 25, 2021#11

StarTech

That is why you should know how the read and decode the model numbers. The OP had posted the model number and I decoded for the right fan/pulley setup of the nearly 20 different fan pulley combos.. Then using the price file provide to me by Gardner (my part distributor) I saw the part was superseded to a new number.

Apr 26, 2021#12

Kevin Toadman

Rocky J said:
while you have the unit out it would be a good time to change oil in it. 2 qt 20/50w engine oil. I am sure if fan was broken it has been hot a few times and condensate a bit of water. I have the same mower and fan blade was broken and at times would just stop pulling until allowed to cool. New fan and oil and has been fine for two years.

Thanks, you know I thought about changing the oil in it, I may do both while I'm at it.

Apr 26, 2021#13

Kevin Toadman

Southland said:
Just send an email to Hydro-Gear with the part number on the sticker attached with the transmission and they'll send you the exact replacement part number. I had to replace the fan on my Troy-Bilt zero turn a couple of years ago. The replacement part for my mower was also 72134, but there are different configurations for EZTs. Hydro-Gear responded within 1 day. Contact info is at the bottom of their website. I also drained and refilled the fluid in both transmissions at the same time. The fill port is on top and the service manual is on Hydro-Gear's web site. I used Mobil1 15w-50.

Hydro-Gear Drivetrain Solutions | Home

Hydro-Gear is the world’s leading manufacturer of drivetrain solutions for everything from industrial machines to residential mowers.

hydro-gear.com

Thanks for the reply. I contacted Hydro, they gave me the 72134 number which includes the pulley, nut, washer, etc. 53050 is the fan by itself, I bought two for less than the 72134 "kit". Now I have a spare in case something knocks the blades off again.

Apr 26, 2021#14

R

Rocky J

Kevin Toadman said:
Thanks, you know I thought about changing the oil in it, I may do both while I'm at it.

my oil looked like a chocolate milk shake . I used a 5 gallon bucket to lay my unit upside down on over night.

Apr 26, 2021#15

Kevin Toadman

Kevin Toadman said:
Thanks for the reply. I contacted Hydro, they gave me the 72134 number which includes the pulley, nut, washer, etc. 53050 is the fan by itself, I bought two for less than the 72134 "kit". Now I have a spare in case something knocks the blades off again.

Rocky J said:
my oil looked like a chocolate milk shake . I used a 5 gallon bucket to lay my unit upside down on over night.

Wow, I will for sure change both now. I'll research the amount, I believe I saw somewhere they hold 56 oz each or something like that.

Apr 26, 2021#16

Kevin Toadman

Kevin Toadman said:
Wow, I will for sure change both now. I'll research the amount, I believe I saw somewhere they hold 56 oz each or something like that.

I also have a 1998 Craftsman hydro that I've never changed fluid in. Now I'm thinking about doing that, it's working fine though.

Apr 26, 2021#17

R

Rocky J

Kevin Toadman said:
Wow, I will for sure change both now. I'll research the amount, I believe I saw somewhere they hold 56 oz each or something like that.

You fill it up and it was just under two qt on each side. 20w/50 . Be sure two fill it before you reinstall because there is no access to the fill plug in the frame once installed. I used a electric drill with a socket to spin my pulley and cycle it from forwards and reverse to get out any air .

Apr 26, 2021#18

Kevin Toadman

Rocky J said:
You fill it up and it was just under two qt on each side. 20w/50 . Be sure two fill it before you reinstall because there is no access to the fill plug in the frame once installed. I used a electric drill with a socket to spin my pulley and cycle it from forwards and reverse to get out any air .

Sounds good, thanks for the tips. Is there a fill line or a plug that you remove and fill til it runs out? I'm at work now and not in the shop.

Apr 26, 2021#19

R

Rocky J

Kevin Toadman said:
Sounds good, thanks for the tips. Is there a fill line or a plug that you remove and fill til it runs out? I'm at work now and not in the shop.

There is a vent plug with a hose barb on it and also a plug ,the plug hole will fill fast , fill it full on the plug hole, they are on the top when laying in its mounted position

Apr 26, 2021#20

Kevin Toadman

Rocky J said:
There is a vent plug with a hose barb on it and also a plug ,the plug hole will fill fast , fill it full on the plug hole, they are on the top when laying in its mounted positi

Apr 26, 2021#21

Kevin Toadman

Thank you sir.!

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Need Hydro-Gear Fan

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