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Wow, that's a beauty. I'll have to look into that. Thanks.

Here's the build thread. I worked on this project for over a year. https://motorbicycling.com/threads/four-wheel-project.26605/

I think I posted this a few years ago, here's an update. I made this for my grandson 13 years ago to go with his full size Scout. It's been a lot of places and had some upgrades and now needs some maintenance.

It looks heavier than a 100 series because I used DOM tubing for spacers between every part of the axle that is only 3/4''. I thought it needed reinforcing because my grandson, who is about 250 lbs. rides it with his daughter in his lap.

I've never bought a new one but have several builds using them and I agree they could use an extra bearing support. But just being able to push it from the back yard to my driveway is so easy with a diffy. I've had it on this heavy car with a 5 speed Peerless trans for over 13 years with no...

I would replace both with heavy all thread and Heim joints.

The steering is not the only limiting factor keeping it from turning well. You may consider swapping the live axle with a Peerless differential axle for really good steering and turning. They're available in several axle diameters and offsets...

Thanks. Yes that's exactly how I installed the sprag bearings in the sprockets. I bought my sprockets from McMasterCarr and my bearings from ebay. Took a long tome for me to figure it out. I had to actually build it to understand it. Especially with the extra sprocket to enable me to pedal...

I made a two speed trans for a bicycle about 10 years ago. https://motorbicycling.com/threads/two-speed-automatic-transmission.46564/

Good info. thanks.

We may lift the rear of the body a couple of inches to fit the engine under.

I saw a video of a guy that added 6 inches to his frame and body. Looked great.

I'll look into the spring spindles. Are they available to purchase or would I have to make them?

I'm pretty sure it would need a lot more power and some weight up front. But would be fun to try. I made it up on my old CR250 with a paddle.

My buddy Dave dropped this Dune Cat off to me and said it needed an engine. So I rounded up a GX160 Honda and a Comet belt drive. I can't just throw an engine on it like he wanted, so I took it all apart. Good thing I did because I found some cracks in the frame and everything was rusted. He...

I also have this.

I know someone wants or needs this. Any offers? It has a 1 inch opening with a 1 3/8 inch bolt pattern for 3/16 inch diameter fasteners.

I would think you wouldn't need big power and speed for reverse. Peerless transmissions offer a lot of configurations with low geared reverse like used on garden tractors.

2 complete heads with fresh valve job and all the parts shown in photo. Starter, valve covers, pistons, pushrods, head bolts, coils with diode wire all in great condition. from engine family 350000/351000. $125 plus shipping.