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Rancilio MD 40 ST Semi-Automatic Coffee Grinder



Meet the Rancilio MD 40 ST: Your dependable partner in crafting quality coffee. With its robust 50-mm steel burrs and precise manual adjustments, this semi-automatic grinder balances efficiency and customization. Ideal for coffee enthusiasts and bustling cafes alike, it ensures a consistent grind, every time, without the fuss.

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The Rancilio MD 40 ST is not just another coffee grinder; it’s a reliable tool for transforming coffee beans into perfect grinds. Designed to make coffee preparation simpler and more precise, this semi-automatic grinder is a must-have for anyone serious about their coffee.

Who is it for?

The MD 40 ST is perfect for:

  • Coffee Shops & Cafes: Its efficient and consistent grinding capabilities are ideal for places with a steady flow of coffee lovers.
  • Restaurants: For establishments where quality and speed are key, this grinder delivers without compromise.
  • Hotels: Enhancing guest experiences with top-notch coffee is easy with the MD 40.
  • Home Users: Coffee enthusiasts will appreciate its professional-grade features, bringing café-quality grinds right into their kitchen.

Main Feature

The standout feature of the MD 40 ST is its 50-mm flat steel burrs. These burrs offer a precise and consistent grind, crucial for achieving the perfect coffee flavor and texture. This feature caters to the nuanced needs of various coffee preparations, ensuring every cup is just right.

Types of Grinds

From espresso to French press, the MD 40 ST can handle it all. Its manual adjustment allows you to customize the grind size to suit your coffee style, whether you’re pulling a smooth espresso shot or brewing a robust French press.

Ready to elevate your coffee experience? Explore the world of premium grinds with the Rancilio MD 40 ST. It’s time to make every cup count.

What Is Included:

  • Rancilio MD 40 ST Coffee Grinder: High-quality grinding for exceptional coffee.
  • 0.5kg Hopper: Ample capacity, reducing the need for frequent refills.
  • Removable Coffee Grounds Tray: Easy cleaning, maintaining a neat coffee station.
  • Manual Dosage Lever: For personalized control over your coffee.


  • Semi-Automatic Operation: Simplifies the grinding process while offering user control. Enjoy ease and precision with each use.
  • 50-mm Flat Steel Burrs: Deliver uniform and consistent grinds for optimal flavor extraction. Perfect grinds lead to perfect coffee.
  • Thermosteel Treated Burrs: Enhances the durability and performance of the burrs. Experience long-lasting, consistent grinding without heat affecting the coffee’s flavor.
  • Manual Adjustment Knob: Customize your grind size for different brewing methods. Tailor your coffee to your taste.
  • 0.5kg Coffee Bean Container: Large capacity means less refilling and more brewing. Keeps your coffee flowing.
  • Variable Dose (5 – 10 g): Choose the right amount of coffee for your needs. Customization at your fingertips.
  • Anti-static Technology: Reduces mess and waste during grinding. Cleaner, more efficient grinding sessions.
  • Removable Coffee Grounds Tray: Easy cleaning for a neater coffee space. Maintain a clean and inviting coffee area.
  • Compact Design: Fits comfortably in various spaces. A perfect fit for any coffee area.


FeatureUS MetricsEU Metrics
ModelMD 40 STMD 40 ST
Power Supply110 V / 50-60Hz230 V / 50-60Hz
Power140 W140 W
Burrs Diameter1.9 in50 mm
Hopper Capacity17.6 oz0.5 kg
Coffee Production5.5 – 7.7 lbs/h2.5 – 3.5 kg/h
Variable Dose0.1 – 0.3 oz5 – 10 g
Dimensions (W x H x D) 5.5 x 17.3 x 13.2 in140 x 440 x 335 mm
Weight19.8 lbs9 kg
Average Output (Espresso)0.024 – 0.034 oz/s0.69 – 0.97 g/s
Burrs MaterialSteel with Thermosteel treatmentsSteel with Thermosteel treatments




  • All Rancilio coffee grinders come with a 1-Year Parts and Labor Warranty.

Procedure for Warranty Claims:

  1. If facing issues with your Rancilio grinder, please first refer to the user manual to troubleshoot common problems.
  2. If the issue persists, contact our customer service at [email protected].
  3. Upon contacting, you may be asked to provide proof of purchase to validate the warranty period.
  4. If your claim is approved, you will be provided with an authorization number to track the status of your warranty repair.


  • Defects in materials and workmanship under normal use and maintenance.

Not Covered:

  1. Plastic and wearable parts such as grinder burrs, bean hoppers, etc.
  2. General wear and tear and normal deterioration.
  3. Damage resulting from:
    • Accidents, misuse, or abuse.
    • Not performing necessary maintenance and/or cleaning.
    • External causes like power surges or shortages.
  4. Any damage or malfunction resulting from using non-original parts for repairs.
  5. Services or repairs performed by third parties outside of Tim’s Coffee or our official partners.
  6. Shipping costs for repairs after the first 30 days. Within the first 30 days, shipping for approved warranty repairs is covered by Tim’s Coffee.

Learn more about our warranty policies here.

100% Free Shipping In USA

Experience exceptional service and commitment at Tim’s Coffee. Enjoy the delight of purchasing Rancilio products with the following shipping details and options:

  • Free Shipping:
    • Delight in 100% free shipping exclusively for Rancilio products.
  • Shipping Locations:
    • We ship without charge to all U.S. states.
  • Standard Delivery:
    • Your product will be shipped to you within 3-8 business days.

Return Policy

  • Return Window:
    • Items are eligible for return within 30 days of purchase.
  • Condition:
    • Ensure the item is in its original condition, without signs of wear and tear, and in its original packaging for the return to be approved.
  • Restocking Fee:
    • A 10% restocking fee will be applied to the returned item.
  • Freight/Shipping Charges:
    • Shipping costs for returns after the first 30 days are borne by the customer. Within the first 30 days, Tim’s Coffee covers approved warranty repairs’ shipping.

Note: Please adhere to these conditions to ensure a smooth return process. Products showing signs of use or wear and tear will not be accepted for return. Learn more about our shipping and return policies here.

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Rancilio MD 40 ST Semi-Automatic Coffee Grinder