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Yamato LTF-901U Upright Style Low Temperature Freezer 0ºC to -40ºC, 28 cu.ft., Manual Defrost

Product Overview:

The Yamato LTF-901U Upright Style Low Temperature Freezer delivers exceptional reliability and efficiency for laboratory professionals seeking secure long-term storage of sensitive materials. Combining a generous 28 cubic feet capacity with precise temperature control ranging from 0ºC to -40ºC, this freezer is constructed to safeguard your valuable samples, reagents, and pharmaceuticals. With its upright design and advanced manual defrost system, the LTF-901U meets the high demands of modern laboratories, biobanks, research centers, and pharmaceutical storage facilities.

Main Advantages:

  • Superior Storage Capacity: Ample 28 cu.ft. interior provides room for large volumes of temperature-sensitive samples, optimizing your laboratory’s workflow and organization.
  • Precision Temperature Control: Dual digital displays show both the set and actual temperature, paired with reliable manual defrost technology to ensure consistent low-temperature performance at all times.
  • Advanced Alarm System: Battery-operated alarm with visual and audible alerts, adjustable thresholds, remote relay hookup, and built-in battery test switch protects your materials from unexpected power failures or temperature fluctuations.

Why This Product is Essential:

In laboratory environments where accuracy and reliability are non-negotiable, the Yamato LTF-901U Upright Low Temperature Freezer is an indispensable asset. Its robust construction and streamlined features offer peace of mind, ensuring your critical samples and reagents remain protected against temperature deviations. Investing in this freezer not only preserves your work and results, but also enhances lab productivity and safety through dependable performance and advanced monitoring.

Specifications and Guides:

  • Features:
    • Manual defrost for stable, reliable low-temperature storage
    • Upright vertical design to save floor space and improve organization
    • Easy-to-use controls and clear dual digital display (set vs. actual temperature)
    • High-quality construction for durability in demanding environments
    • Comprehensive digital alarm with remote relay function
    • Single stage refrigeration with hermetic compressor
    • Eco-friendly CFC & HCFC-free refrigerants
  • Manuals:
  • Guides:
  • Specifications:
    • Temperature range: 0ºC to -40ºC
    • Capacity: 28 cubic feet
    • Temperature control: Digital with dual displays
    • Alarm: Battery-operated visual and audible alerts, over/under setting, test switch, remote relay
    • Refrigeration: Single stage, hermetic compressor, CFC & HCFC-free
    • Electrical: 115V, 60Hz/208V, 60Hz/230V, 60Hz/220V, 50Hz/220V, 60Hz (all 1 phase)

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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