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Electric wipers on r model

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Just throwing a few ideas around regarding converting an R model over to electric wipers.

We have a 1990 model valueliner which came from the factory with electric wipers. Same set up as air except an electric motor instead of air one. But when I talked to my local mack bloke I was told it was different and I'd have to buy the complete system. Over $1000!

Found some kits on eBay to convert older cars to electric. Wonder if you could use such a kit on an R model.


This one is for a Chevy or GMC truck. $130 roughly.


If the swipe/arc of the wiper blade isn't right perhaps redrilling the crank on the spline of the motor will fix that?

Any ideas on if this will work or not will be great. Am I missing something?

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I bought a kit from Watts I think it was 750 - 800. It's for my Superliner but I haven't got it on yet. I bought a used motor off Ebay for 50 and then got new arms and blades from Mack for my R . I think I had around 400 in everything. They work great.

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