A simple and powerful tool that we regularly used for heavy loads, especially to draw trees (or righten them) I call the pull chain. I've never seen it elsewhere.

waldteufelTake a sturdy steel tube of e.g. 30 mm diameter and 60 cm long.
Weld at 15 cm from the ends a chain of 50 cm length, with at their ends each a heavy, strong hook.
Middle between them, but at the back of the tube, you do the same. This chain you attach later as e a support center to a solid post or stump.
On the burden (or tree) you attach a steel cable, with at the end a long chain. The links of this should be so large that the hooks of chain puller fit easily in them. Hang a hook in one. Then you can use the rod, with the one, fixed chain as a fulcrum, as a lever to pull and hang each free hook a bit further in the stretched load chain. By stabbing a solid, long tube as extra leverage at the end of the rod you can exert a tremendous force of 1.000’s of kilograms, and easily pull trees down.
It works like a winch or hoist, but without axis, wheels or rotating elements.

Make sure your clothes or fingers won’t pinched between nowhere.
Make sure you have room to move.
The ropes and chains come under enormous tension. Steel is not unbreakable! If a chain or cable snaps it can smash like a sword that can literally go through bone. Don’t ever underestimate your leverage power! Keep in mind that the weakest element always breaks: the burden, the man, the fulcrum, the chain or rope. And you never know for sure what the weakest element is.
Do not try to keep moving or breaking parts, get out!

Inquiry on social media gave a tip. In “The Forester In A Practical Treatise on the British Forestry and Arboriculture for Landowners, Land Agents, and Foresters, Vol. 2 of 2, 1905” it is called beautiful and applicable ‘Waldteufel’ (Wood Demon). It was used in Switzerland until the beginning of last century to pull stumps out of the ground.