3pt lawn dethatcher

[MadReferee]

Here are some pics of a 3pt lawn dethatcher that I just finished building for another TBNer. The unit is 2 parts: the 3pt hitch and the dethatcher platform. This allows for future additional attachments to be used without building another 3pt hitch.

The dimensions of the dethatcher are 68" by 12". It will accommodate 16 tine pairs, 8 pairs in each row with each row being offset by 1/2 a tine pair. There are 3 adjustable parking stands. The platform was designed to hold 12" x 12" cement patio blocks for additional weight. The hitch is standard duty and not designed for pulling heavy duty implements.

It took be about 18 hours over a 2 week period to design and build, working a couple of hours each night. Total cost for materials was around $200.

The first picture shows the completed unit, missing 5 tine pairs.

 

[MadReferee]

Here is another of the completed unit.

 

[MadReferee]

And another.

 

[MadReferee]

One more.

 

[MadReferee]

This one shows the tine pairs.

 

[MadReferee]

This one shows how the 3pt and dethatcher platform are connected using 5/8" grade 8 bolts.

 

[MadReferee]

Here is the platform just afer welding and assembly.

 

[MadReferee]

Here is the 3pt being fabricated.

 

[MadReferee]

Final picture. This shows how the tine pairs are attached. Notice the 2 hex head screws. These are placed to prevent the tine from twisting.

All holes for the tines were drilled on my milling machine except for hex head screw holes. They were done freehand.

All welding was done with a Millermatic 175 MIG welder using C25 shielding gas and .030 wire.

 

[Casimir]

Nice Job! I gotta take a welding class. /forums/images/graemlins/crazy.gif