LDO-42STH40-1684L300E / LDO42STH40-1684CL350E / LDO42STH40-400E TR8X4 Voron Edition NEMA 17

Z-axis motion precision is critical for Voron and Trident builders, where inadequate stepper motors can cause layer shifting or Z-wobble, compromising print quality and reliability.

This LDO Voron Edition NEMA 17 stepper motor integrates a TR8x4 leadscrew with a PEEK nut, designed specifically for Z-axis use in Voron 1.8, Trident, and similar CoreXY printers. Featuring a 1.8° step angle, 1.68A current rating, and 450mN-m holding torque, it delivers smooth, accurate vertical movement. Available with 300mm, 350mm, or 400mm leadscrew lengths, this motor ensures compatibility with various build heights and configurations common in the Voron community.

Why Upgrade?

• Ensures precise Z-axis positioning to prevent layer shifting on Voron 1.8 and Trident printers
• Integrated TR8x4 leadscrew reduces mechanical backlash and wobble common with separate leadscrew setups
• High holding torque supports stable prints with heavy or tall models
• Multiple leadscrew lengths accommodate custom build heights and modifications
• Compatible with Klipper firmware setups popular in Voron and Trident communities

Best For:

• Voron 1.8 and Trident builders upgrading or replacing Z-axis motors
• CoreXY enthusiasts requiring reliable integrated leadscrew motors
• Users seeking smooth, backlash-free Z motion in high-precision 3D printers
• DIY Voron V1 and Trident builds needing standardized, community-trusted Z motors
• Klipper firmware users optimizing stepper performance for Z-axis stability

Pair With the Right Filament

Reliable Z-axis motion is essential for consistent layer adhesion and print quality across all filament types.

• PLA Filament — ideal for standard prints requiring precise layer alignment
• PETG Filament — benefits from stable Z motion to reduce stringing and layer defects
• TPU Flexible Filament — smooth Z movement helps prevent layer shifting in flexible material prints