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Powermatic Oscillating Edge Sander 1PH 230V OES9138B PM1-263

Introducing the OES9138B Edge Sander—your ultimate solution for precise sanding and flawless finishes. Crafted to exceed expectations, this powerhouse combines advanced features with unmatched performance, ensuring every sanding task is a breeze. Featuring a robust 3HP, single-phase, 230-Volt motor and a spacious 9x138" abrasive belt, it effortlessly handles large workpieces.

Enjoy unparalleled versatility with adjustable speeds ranging from 1000 to 4200 FPM, while 30-50 oscillations per minute keep your belt cleaner for longer, enhancing efficiency and longevity. The expansive 10" x 47.5" stay-flat table provides ample workspace, ensuring you have the room you need to tackle any project.

Keep total control with the adjustable belt tilt feature, allowing you to achieve the perfect angle for every sanding task. Plus, with convenient dust collection capabilities and user-friendly controls, sanding has never been easier or more efficient.

Experience the difference with the OES9138B - where power, precision, and performance meet in perfect harmony. Take your craftsmanship to new heights.

Features:

  • Spacious Workspace — The generous 10" x 47.5" stay flat table provides ample room for your projects.
  • Unrivaled Power — With a robust 3HP, Single Phase, 230 Volt motor, tackle even the toughest sanding jobs effortlessly.
  • Versatile Sanding — Enjoy the flexibility of a 9x138" abrasive belt, perfect for large workpieces.
  • Enhanced Efficiency — Benefit from 30-50 oscillations per minute, keeping your belt cleaner for longer.
  • Adjustable Speeds — Take control with variable belt speeds ranging from 1000 to 4200 FPM.
  • Efficient Dust Collection — Keep your workspace clean with a strategically placed dust port.
  • Precision Control — Achieve the perfect angle with 0-45-degree belt tilt adjustability.
  • User-Friendly Design — Easily accessible controls and a large display ensure effortless operation.
  • Premium Build — Smooth-moving handles and sleek chrome accents add durability and style.

Specifications:

  • Model Number — OES9138B
  • Stock Number — PM1-263
  • Motor — 3HP, 3Ph*, 230V
    • *The PM1-263 model has an inverter to allow the 3-phase motor to run on a 1-phase circuit.
  • Cycle — 60 Hz
  • Belt Size (in.) — 9 x 138
  • Platen Size (in.). — 47.5 x 10
  • Belt Operating Angle (degrees) — 0 to 45
  • Main Table Size (L x W, in.) — 46 x 13 x 1.5
  • End Table Size (in.) — 21.653 dia
  • Belt Speed (FPM) — 1000 to 4200
  • Oscillations Speed (strokes per min.) — 30 to 50
  • Dust Connection Diameter (in.) — 4
  • Base Size (in.) — 40 x 18.5
  • Overall Dimensions (L x W x H) (in.) — 74.375 x 29.25 x 45.5

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

A Customer-First Approach

We’re more than an online store—we’re your partner in finding the best machine for your need. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

  • Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
  • Free Shipping – Enjoy free delivery on most* orders across the lower 48 U.S. states.
  • 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
  • Exclusive Packages & Volume Discounts – Custom pricing available for workshops, labs, schools, and bulk orders.
  • Authorized Dealer – Every order is protected with full manufacturer support and warranties.


With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

Yes! We provide free and fast shipping on orders within the continental United States.
Most orders ship out within 1–3 business days and arrive within 5-7 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-720-5193 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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