R14633 Trimmer Gearbox Head Replaces Stihl 4137-640-0100
Replaces Stihl 4137 640 0100
Trimmer Gearbox Head - Complete unit with gears.
Fits Stihl models: FR130, FR220, FR350, FR450, FR480,
FS36, FS40, FS44, FS80, FS75, FS83, FS85, FS90, FS100,
FS120, FS130, FS200, FS250, FS460, FS-KM, FT100.
R14823 Universal Trimmer Gear Box Kit
Universal Trimmer Gear Box Kit for use with most brands
and models of Brush Cutters & String Trimmers.
Fits trimmers from 20cc to 40cc.
Has 10mm x 1.25 LHM arbor for trimmer head mounting,
same as used by Echo.
Kit Includes mounts using included adapter bushings
for the most common shaft housings, 24mm, 25mm, 25.4mm, 26mm.