This phrase typically refers to the (also known as the LGX™ large-gear extruder) and the SE36 stepper motor, specifically for installation or configuration instructions on a 3D printer.
If you’re missing a step-by-step for your exact printer, Bondtech’s generic LGX manual with your printer’s extruder replacement guide. The SE36 motor behaves like a standard NEMA 17 but with lower inductance—so avoid high microstepping (1/16 is fine) and keep wiring carefully verified. bnd50 se36 instructions full