40‑2 40‑4 Trimmer Head Brush Cutter Quick Feed Cutting Head

40‑2 and 40‑4 are line‑feed trimmer heads for large‑displacement brush cutters. 40‑2 is 2‑line style while 40‑4 is heavy‑duty 4‑line style. They share the same thread specification and are interchangeable on compatible machines for different weeding conditions. Designed with quick‑feed structure, trimmer line can be refilled without complete disassembly, simplifying field operation and saving line‑changing time. It fits multiple high‑power brush cutters, widely used for heavy‑duty work such as wasteland and orchard weeding.

Check machine thread before installation and tighten firmly. The 4‑line version delivers larger cutting coverage and higher efficiency for thick weeds. Good stock for garden repair shops, replaces worn original trimmer heads to keep brush cutter working steadily.