Dual motor, dual drive bowden extruder. Uses two NEMA14 motors and two drive gears. The two motors should be wired to run in opposite directions, and can be wired in serial or parallel (I would tend ...

Redrex Dual Gear Ender 3 Extruder with Two Washers Metal Drive Feeder Upgrade Kit Compatible with Creality Ender 3 V2 Pro,Ender 3 Neo Series,CR10 3D Printer TPU Filament Supported (Motor Shaft>20mm) ...

A lightweight compact extruder with 5:1 gearing using BMG dual drive. It is capable of pushing up to 48mm^3/s through a 0.4 nozzle. Footprint is a very compact 41x45mm and weighs 107g (with steel ...