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 Dynamark build

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mudmaster
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PostSubject: Dynamark build   Dynamark build Icon_minitimeMarch 3rd 2023, 11:01 pm

Alright guys,
bear with me while I figure this place out......
anyhow last year I picked up this dynamark for 30 bucks......

I'm not sure where I am gonna go with this project, but I think it is headed to be a mudder..............

in the past year it has been through many pulley swaps, and transmission openings.

also it has rolled on me a couple times......

top speed at the moment is 26....   I think eventually I will bring it down to around 20 mph
Also because I am only 17 and still in school and pseo,  I'll see how regularly I will get stuff done...

Dynamark build 20230316
Dynamark build 20230314
Dynamark build 20230315


So this past week I took of the spindles and beefed them way up!
Dynamark build 20230318
Dynamark build 20230319

NOt sure why those stinkin picture's are so blurry...................o-well


Also got them paintedDynamark build 20230320

anybody got any suggestions on what I should do next?

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Brianator
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 3rd 2023, 11:32 pm

Definitely some ATV tires!


My All Terrain Tractors:
- "The WarHorse" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Romping in Progress!)
- Roper "Trailblazer" ~ 1986 Roper LT110CR (Trailblazing in Progress!)
- The "Mud Duck" ~ 1969 Bolens 1225 Hydro (2022 Build Off 2nd place!)
- The "Silver Bullet" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Part 1)
- The "Silver Bullet" (Take 2) ~ 2024 Build Off entry (Work in progress)
- Roper "Offroadster" ~ 1979 Roper T4328 (Romping in Progress!)
- 1973 Massey Ferguson MF12 ~ (Sold to a good home)



                             Click Here To See The DIY and Build Threads I've Created!

                                            ~My Real Hobby Is Collecting Projects!~

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Rustbucket Garage
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 4th 2023, 5:50 pm

Welcome to the ATLTF! Nice project! Smile
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mudmaster
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PostSubject: Yes that is something that is definitely needed........   Dynamark build Icon_minitimeMarch 5th 2023, 10:21 pm

Brianator wrote:
Definitely some ATV tires!

Tis on the list!


but how am I gonna mount them? do I need to some how make some hubs out of keyed pipe and plate steel?  TRy and source them?  and remember I am trying to do this as cheaply  as possible.....
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mudmaster
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PostSubject: Dynamark build   Dynamark build Icon_minitimeMarch 5th 2023, 10:49 pm

Rustbucket Garage wrote:
Welcome to the ATLTF! Nice project! Smile
   Dynamark build 1f44d I have been whatching this place for awhile and finally decided to join... 

Thanks!!!!
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mr.modified
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 12:25 am

26mph is pretty respectable speed for these things. Looks like a good start.

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Brianator
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 6:23 am

mudmaster wrote:
but how am I gonna mount them? do I need to some how make some hubs out of keyed pipe and plate steel?  TRy and source them?  and remember I am trying to do this as cheaply  as possible.....

The easiest and cheapest way is to install them on your existing wheels, I know of rear ATV tires for 8" wheels that go from 18x9.5-8 to 22x10-8. I'll assume you have 6" front wheels in which case 145-70-6 tires could work although they're not very tall (14-15"). 8 inch front wheel(s) swap would be ideal as it would open up more possibilities for bigger front tires.

As for hubs, if you want to go that route what I've seen some guys do with success is cut the center of the wheel out and install bolts studs in it to use it as a hub.

Hope this helps!


My All Terrain Tractors:
- "The WarHorse" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Romping in Progress!)
- Roper "Trailblazer" ~ 1986 Roper LT110CR (Trailblazing in Progress!)
- The "Mud Duck" ~ 1969 Bolens 1225 Hydro (2022 Build Off 2nd place!)
- The "Silver Bullet" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Part 1)
- The "Silver Bullet" (Take 2) ~ 2024 Build Off entry (Work in progress)
- Roper "Offroadster" ~ 1979 Roper T4328 (Romping in Progress!)
- 1973 Massey Ferguson MF12 ~ (Sold to a good home)



                             Click Here To See The DIY and Build Threads I've Created!

                                            ~My Real Hobby Is Collecting Projects!~
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RichieRichOverdrive
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 10:37 am

I have 21x7-10 front tires on Mutt, on 4x110mm aluminum ATV rims. I just made hubs out of my old 6” rims. Cut the inner half of the rim completely off, and ground the lip down flat on the outside. Put the rim on a shaft in a vise(so it can spin), set the atv rim down over bolts(for studs) on the rim. Bump it until it spins true, then tack the bolts on. Carefully remove the rim and weld the studs the rest of the way. It was pretty tedious but turned out well.

You can always get some 8” garden tractor rims for the front and get some 18x6.50-8 or 19x7-8 atv tires to put on. The 19x7 is a really nice size and is common on cheap atvs.
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Rustbucket Garage
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 2:34 pm

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mudmaster
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PostSubject: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 3:03 pm



how the heck are they only 6 dollars?!?!?!?!? @Rustbucket Garage
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Rustbucket Garage
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeMarch 6th 2023, 3:49 pm

Surplus center buys overstock parts and sells them off cheap. They’re legit but shipping is another 30 bucks for two rims though.

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mudmaster
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeApril 6th 2023, 11:23 pm

long time no see Smile

So I finally got around to doing the front wheel hubs.......

I happened to use some rear tires off of a snapper lt12 (another project of mine)  these rims are 12'' so they can use most atv tires..
.Dynamark build Img_2010
Ignore the wood under the tires for the moment....
I used some old 5 inch rims for the hubs....  To transfer the bolt pattern I went High tech and designed a 3d model to slide on the hub and mark where the holes went...
Dynamark build Img_2011
this actually got the hubs and rims centered up really really goodDynamark build Img_2014
Dynamark build Img_2013
I would call that a success



Next on the list is a front axle lift
something kinda like this where he used pillow blocks to raise the pivot point of the front axle up
 

Dynamark build Img_2015
those are some 25" tires in the back for reference.  The wood under the front tires puts the front of the mower to the height that the front axle lift would be approximately at.....


Last edited by Brianator on April 7th 2023, 9:37 am; edited 2 times in total (Reason for editing : Fixed YouTube link.)

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Brianator
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitimeApril 7th 2023, 9:40 am

Those hubs are looking great nice job!

I like the way he lifted his mower that looks really rugged! Keep in mind you couldn't just use a pillow block bearing alone because they swivel/pivot but a couple of well placed link rods should hold it steady.


My All Terrain Tractors:
- "The WarHorse" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Romping in Progress!)
- Roper "Trailblazer" ~ 1986 Roper LT110CR (Trailblazing in Progress!)
- The "Mud Duck" ~ 1969 Bolens 1225 Hydro (2022 Build Off 2nd place!)
- The "Silver Bullet" ~ 1984 Sears Craftsman LT(V)11 (MTD Built) (Part 1)
- The "Silver Bullet" (Take 2) ~ 2024 Build Off entry (Work in progress)
- Roper "Offroadster" ~ 1979 Roper T4328 (Romping in Progress!)
- 1973 Massey Ferguson MF12 ~ (Sold to a good home)



                             Click Here To See The DIY and Build Threads I've Created!

                                            ~My Real Hobby Is Collecting Projects!~
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PostSubject: Re: Dynamark build   Dynamark build Icon_minitime

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