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YAMATO ULF-501U Upright Style Ultra Low Freezer -40ºC to -85ºC, 18 cu.ft., Manual Defrost

The YAMATO ULF-501U Upright Style Ultra Low Freezer delivers advanced, reliable ultra-low temperature storage for laboratories that demand performance and security. Designed to safeguard sensitive materials, this high-capacity, upright ultra low freezer offers exceptional efficiency and user-friendly control, making it the preferred choice for researchers, biobanks, and pharmaceutical facilities alike. With a generous 18 cubic feet capacity and a temperature range extending from -40ºC to -85ºC, you can confidently store your most critical samples and reagents in a state-of-the-art solution purpose-built for laboratory environments.

Engineered to maximize space and ensure durability, the ULF-501U uprights freezer blends robust construction with cutting-edge features. This laboratory equipment stands out for its precise temperature controls, reliability, and advanced alarm systems, providing peace of mind and superior sample protection in any scientific setting.

Main Advantages:

  • Superior Sample Protection: Experience unwavering temperature stability and safety, supported by a battery-operated digital alarm system that alerts you to any temperature fluctuations or system malfunctions.
  • Space-Saving Upright Design: Optimize your lab’s layout with an upright format that offers easy access, better organization, and convenient inventory management, all within a minimal footprint.
  • Durable Construction & User-Friendly Controls: Built for longevity, the freezer’s high-quality materials and intuitive digital controls make operation simple and consistent, even in demanding laboratory use.

Why This Product is Essential:

When it comes to safeguarding irreplaceable scientific samples, reagents, or biological materials, compromising on storage is never an option. The YAMATO ULF-501U Upright Style Ultra Low Freezer is an essential laboratory equipment investment, providing security, accuracy, and ease of use to support your research and protect decades of work. With its advanced technology and robust build, it's the go-to solution for maintaining sample integrity in any laboratory environment.

Specifications and Guides:

  • Features:
    • Temperature range: -40ºC to -85ºC
    • Spacious 18 cu.ft. storage capacity
    • Manual defrost system ensures consistent performance
    • Upright design for efficient space utilization
    • Cascade-type refrigeration with two hermetic compressors
    • CFC & HCFC-free refrigerants for eco-friendly operation
    • Battery-operated digital alarm system with over/under temperature settings and relay for remote hook-up
    • User-friendly digital temperature control and clear display
    • Built to withstand demanding lab environments
  • Manuals: Operation and installation details are available upon request or from the manufacturer’s website.
  • Guides: For additional lab best practices, check out Mastering Vortex Mixing: Techniques and Tips for Optimal Laboratory Results.
  • Specifications:
    • Electrical: 115V/208V/230V, 60 Hz, 1 phase; 220V, 50/60 Hz, 1 phase
    • Dimensions: Upright, 18 cu.ft. capacity
    • Temperature Control: Digital set point & chamber display

Upgrade your laboratory equipment today with the YAMATO ULF-501U Upright Style Ultra Low Freezer – the ultimate blend of performance, reliability, and safety for your ultra-low temperature storage needs.

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.
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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 MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 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.
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Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
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