Free Tractor 3PL Hitch Adapter Plans


Free Tractor 3 Point Linkage Trailer Hitch Adapter Plans

This three point linkage trailer hitch adapter is useful for easily towing a trailer or other towable farm equipment or implement around your farm.

The steel shown in the cutting list is only a guide as you may have other material already available that you can use.

Materials Required
Item Number Material Length Quantity
1 50x50x4mm SHS 600mm 1
2 65x65x6mm SHS (check fit on your hitch) 170mm 1
3 550x50x4mm SHS 435mm 1
4 50x10mm flat 450mm 2
5 65x10mm flat 130mm 3
6 65x10mm flat 130mm 2
7 65x10mm flat (45 degree cut) 65mm 3
  Lower 3 point linkage pins To suit your tractor 2
Upper 3 point linkage pin To suit your tractor 1
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Diagram 1

1. Begin by cutting the steel to the required sizes. Note that Items 7 have one 45 degree mitre cut on one end.

2. Drill hole in Item 2 to suit the hitch tongue. Normally this is 16.5mm but this may differ depending on the hitch pin. Refer to Diagram 1.

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Diagram 2

3. Position the 65x65 shs (Item 2) in the centre of Item 1 and tack weld into place as shown in Diagram 2.

4. Position Item 3 as shown in Diagram 2 and tack weld in place.

tractor 3pl linkage carry all plans

Diagram 3

4. Tack weld Items 4 into place as shown in Diagram 3.

tractor 3pl linkage carry all plans

Diagram 4

5. Drill holes in Items 5 to suit your lower 3 point linkage pins and in Items 6 to suit your upper 3 point linkage pin as shown in Diagram 4.

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Diagram 5

6. Tack weld Items 5, Items 6 and Items 7 in place. Refer to Diagrams 5.

7. Fully weld all previously welded tack welds and paint as required and install pins.

User Comments

My English not so good but the photos helped me lots when I build it.

These plans are really good.

Beautifully done plans. Thank you.

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