As the cuewords, GEAR and NEAR, indicate, the two answers to this flat differ only in their first letter. 

The tractor needs some tightening; 

Its shakes are quite severe. 

A sapling's fallen over it.

I need to get it clear. 

For the tree, get my GEAR, 

And for the tightening, get my NEAR. 

Answers:

 

HATCHET

RATCHET 

 

Credit:

The Enigma

March, 2023

A. CHEMEM