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  #1  
Old 05-07-2017, 07:42 PM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
I Need Trailer Info Please

I have a 1989 Mastercraft trailer, somewhere along the last two owners someone replaced the factory axel and springs with a different one and then one side they replaced the axel stub so it takes different bearings on one side and one hub has studs and the other has wheel bolts, I was going to deal with that when I looked closer at the springs, the front of them has the normal eye the bolt goes thru and the other has a C shape that is resting on the tabs welded to the trailer, the bolts and the swivel extensions are doing nothing except guiding the springs so I am in the process of replacing the axel and springs, I have a few questions.
1. Does anybody know the weight capacity of the factory springs and axel?
2. Any chance you could give me the size and width of the factory axel and the amount of drop, the one they put on the trailer I have is a 2x3 rectangular tube and I don't know whether to order round or rectangular tube for a replacement?
3. as for the springs do you know the width from eye to eye so I can make sure the ones I order will fit without rewelding the mounting tabs?
Any information on these questions would be greatly appreciated.
Thanks in advance.

Last edited by 06SUPERDUTY; 05-08-2017 at 08:44 AM.
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  #2  
Old 05-08-2017, 06:13 PM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
Nobody?
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  #3  
Old 05-09-2017, 10:52 PM
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Miss Rita Miss Rita is offline
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Join Date: Jul 2009
Boat: 1992 ProStar 205, 1991 Ski Pro
Location: Black Hills
Posts: 1,131
FWIW: The axle on my '92 trailer axle is 2 x 3" tubing and rated at a standard 3500#, the spindle centerline is 2" above the top of the axle. The springs are rated at 1750#, and the distance between the mounting eyes is 27" OC.

When I bought new springs a couple of months ago I was told to measure the distance between mounting points, i.e. the distance between the fixed spring hanger and the shackle on the other end when it is vertical.

Good luck.

Last edited by Miss Rita; 05-09-2017 at 11:38 PM.
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Old 05-10-2017, 08:47 AM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
Good Morning Miss Rita,
That is exactly the information I needed. Did you buy yours on line (if so may I ask where) or from a local dealer, I have searched on line for one to purchase but needed the info you just gave me, and didn't want to get the wrong one by using measurements from the one I have which obviously wouldn't be the way to go.
Thank you very much,
Randy
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  #5  
Old 05-10-2017, 10:22 AM
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Miss Rita Miss Rita is offline
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Join Date: Jul 2009
Boat: 1992 ProStar 205, 1991 Ski Pro
Location: Black Hills
Posts: 1,131
I bought the springs and associated hardware from Champion Trailers in Slidell, Louisiana. Their prices are competitive, and they've given me very good service.

Their website is full of useful information.
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  #6  
Old 05-10-2017, 10:35 AM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
Awesome, thank you!
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  #7  
Old 05-10-2017, 03:20 PM
mcmx2 mcmx2 is offline
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Join Date: Sep 2008
Boat: 2005 TT 197 #77
Location: Southeast
Posts: 171
I had a spring break on my 89 trailer and replaced both springs. I found the exact replacement on the shelf at a local Northern Tool. I do not remember the length but they did have the exact match in stock.
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  #8  
Old 05-10-2017, 03:29 PM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
Thanks mcmx2, I will take a look, I know they have some great prices and have done business with them before.
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Old 05-10-2017, 11:18 PM
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thatsmrmastercraft thatsmrmastercraft is offline
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Boat: 1977 Stars & Stripes
Location: St. Paul, MN
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Mikeg205 also bought springs for his trailer at Northern Tool.


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  #10  
Old 05-14-2017, 12:30 PM
06SUPERDUTY 06SUPERDUTY is online now
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Join Date: Aug 2016
Boat: 1989 Mastercraft Prostar 190
Location: Northwest
Posts: 34
Good morning Miss Rita,
Do you by any chance remember the distance from outside hub to hub, mine is 80 1/2" but since it isn't the factory one I would like to have correct dimensions before ordering an axel.
Thanks in advance.
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