Gotoh SD91-05M 6x1 Machine Heads

Gotoh SD91 Vintage-Style Machine Heads – 6-in-Line Left-Handed
Classic Looks. Pro-Level Performance. Precision Fit.

The Gotoh SD91 is a trusted choice for luthiers and guitar techs seeking authentic vintage tone and aesthetics without sacrificing tuning accuracy. These 6-in-line left-handed tuners feature classic Kluson-style stamped housings and oval buttons, paired with Gotoh’s renowned smooth operation and tight manufacturing tolerances.

Ideal for vintage restorations, custom builds, and professional upgrades, the SD91 delivers stable tuning, consistent performance, and a drop-in fit for many vintage-style guitars.

Key Features:

Vintage-Inspired Design – Traditional Kluson-style tuners with oval buttons and stamped nickel or gold housings for an authentic mid-century aesthetic.

Smooth Tuning Action – A 15:1 gear ratio ensures precise, reliable tuning control with minimal backlash.

Professional Fit & Finish – Japanese-built quality with consistent tolerances, designed for long-term reliability.

Two Finish Options – Available in Nickel or Gold to match your instrument’s hardware.

Technical Specifications:

Orientation: 6-in-line, left-handed

Gear Ratio: 15:1

String Post Diameter: 6.35 mm

Press-In Bushing Outer Diameter: 8.80 mm

Mounting Style: Vintage press-fit bushings (included)

Button Type: Oval metal

Finish Options: Nickel or Gold

Includes: 6 machine heads, bushings, and mounting screws

Recommended For:
Vintage-style Strat and Tele builds, boutique instruments, left-handed custom necks, and restoration projects requiring accurate vintage reproduction with modern tuning stability.