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Matco Cross Drive Magneto Question

Posted: Fri Sep 05, 2025 8:11 am
by Kenny Edmondson
I got lucky this week a purchased this Matco magneto. The mag is hot and should clean up nicely. All the gears are there and appear in good shape. One thing I noticed that I thought was innovative is it’s set up for T engines with or without generator provisions.
The only thing that’s missing is the drive coupler. Looks like that will be easy to make. Just curious if anyone had a picture of the coupler so I can make it as close to original as possible? Thanks

Re: Matco Cross Drive Magneto Question

Posted: Fri Sep 05, 2025 10:10 am
by Kevin Pharis
Haven’t seen an output shaft with a hex drive before. Typically these MATCO drives have a 1” diameter cylindrical output shaft, and a matching hub to mount to the mag. A short piece of fiber reinforced rubber hose is used to couple. A 1/4” screw and nut anchors the hose at the output shaft side, and a special MATCO bronze hose clamp provides an infinite adjustability at the mag. I have drawings for the output shaft and bushing, can dig em up if you want

Re: Matco Cross Drive Magneto Question

Posted: Fri Sep 05, 2025 11:27 am
by Mark Gregush
Same casting as my Eisemann front mount, including the provisions for use on both style engines.

Re: Matco Cross Drive Magneto Question

Posted: Fri Sep 05, 2025 11:47 am
by Kenny Edmondson
Kevin, the pictures I found online all had the hose type couplers, but none with the hex. I assumed this mag may be a later model since this mag has the impulse feature for better starting. But that’s only an assumption.

Re: Matco Cross Drive Magneto Question

Posted: Fri Sep 05, 2025 12:55 pm
by babychadwick
A love joy coupling may work for you