
Grass-Hopper
Nice!
The textures have 3 variations: clean, shabby and dirt with dust.
Each variation contains maps: AO, BaseColor, Emissive, Height, Metallic, Normal_DirectX, Normal_OpenGL, Roughness.
Texture resolution 4096x4096 16 bit.
There is also a set of maps consisting of: AO, BaseColor, Curvature, Height, MatID, Normal with a resolution of 4096x4096 pixels, which can be used in Substance Painter to get the color variations and muddiness you need.