• Description
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YAMATO ULF-901U Upright Style Ultra Low Freezer -40ºC to -80ºC, 30 Cu.Ft., Manual Defrost

Product Overview:
The YAMATO ULF-901U Upright Style Ultra Low Freezer delivers substantial ultra-low temperature storage in a high-capacity, upright form factor. Engineered for reliability and engineered to safeguard sensitive samples, this 30 cubic foot laboratory freezer offers a temperature range from -40ºC to -80ºC, making it the optimal solution for biobanking, pharmaceutical storage, and research facilities. With its sturdy design, advanced digital controls, and a spacious interior, the ULF-901U promises peace of mind for professionals requiring precise and consistent temperature management.

Main Advantages:

  • Ample Capacity with Space-Saving Design: The 30 cu.ft. vertical orientation optimizes valuable floor space in every laboratory, maximizing storage flexibility without crowding work areas.
  • Unmatched Reliability and Security: Twin hermetic compressors, cascade-type refrigeration, and CFC & HCFC-free refrigerants deliver stable ultra-low temperatures, while a robust digital alarm system monitors for any deviations—guarding your critical materials against unexpected events.
  • Effortless Operation & Monitoring: An intuitive digital control system displays both set point and chamber temperatures, complemented by easy-to-use controls and a bright digital screen. You can instantly verify and alter environmental conditions for your sensitive specimens.

Why This Product is Essential:
For laboratories and research facilities, optimal sample integrity is non-negotiable. The YAMATO ULF-901U Ultra Low Freezer is essential because it combines massive capacity, precise temperature control, and industry-leading durability—all in an upright, space-saving unit designed for demanding environments. Protect the integrity of your valuable specimens and reagents with dependable storage you can trust, every single day.

Specifications and Guides:

  • Features:

    • Precise temperature range: -40ºC to -80ºC
    • Large 30 cubic foot upright design for maximum storage
    • Manual defrost system for constant, dependable performance
    • Digital display with simple controls
    • Advanced battery-operated alarm system with relay for remote hook-up and full battery test
    • Two hermetic compressors and eco-friendly refrigerants
    • Constructed from industrial-grade, durable materials
  • Manuals:

  • Guides:

  • Specifications:

    • Capacity: 30 cu.ft.
    • Temperature range: -40ºC to -80ºC
    • Electrical: 115V/60 Hz/1 phase, 208V/60 Hz/1 phase, 230V/60 Hz/1 phase, 220V/50 Hz/1 phase, 220V/60 Hz/1 phase
    • Refrigeration: Cascade type; two hermetic compressors
    • Digital over/under temperature alarm with remote relay
    • Upright dimensions designed for space efficiency
    • Manual defrost for stable, reliable cold storage

Elevate your laboratory’s cold storage with the YAMATO ULF-901U—designed to ensure that your sensitive materials remain secure and stable with the most advanced ultra-low temperature technology available in laboratory equipment today.

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 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.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 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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