Introduction
Thank you for choosing the Oster Commercial Milkshake Machine. This heavy-duty, 2-speed mixer is designed for commercial use in restaurants, bars, and soda fountains, providing consistent results for milkshakes and other mixed beverages. Please read this manual carefully before operating the machine to ensure safe and efficient use.
Important Safety Instructions
- Always ensure the machine is unplugged before cleaning or performing any maintenance.
- Do not immerse the motor unit in water or any other liquid.
- Keep hands and utensils away from the agitators during operation.
- Ensure the cup is properly seated before starting the machine.
- This appliance is for commercial use only.
- Do not operate the machine with a damaged cord or plug. Contact qualified service personnel for repair.
Product Components
Familiarize yourself with the main parts of your Oster Commercial Milkshake Machine:
- Motor Unit/Chrome Head: Contains the powerful 110-watt motor and agitators.
- Agitators: Integrated for consistent mixing.
- Cup Support/Lever: Holds the mixing cup and activates the machine.
- Mixing Cup: Polished aluminum cup with measurement slots.
- Base: Weighted for maximum stability.
- Speed Selector: Lever for choosing between two speeds.

Image 1: Front view of the Oster Commercial Milkshake Machine with the mixing cup in place. The chrome motor head is visible above the cup, which rests on the cup support. The machine has a light blue base.
Setup and First Use
- Unpacking: Carefully remove all components from the packaging. Retain packaging for future storage or transport.
- Placement: Place the machine on a stable, flat, and dry surface. Ensure there is adequate space around the unit for ventilation and operation.
- Cleaning: Before first use, wash the mixing cup and agitators with warm, soapy water. Rinse thoroughly and dry. Wipe the exterior of the motor unit and base with a damp cloth.
- Power Connection: Plug the power cord into a grounded electrical outlet. Ensure the voltage matches the machine's requirements (110V).

Image 2: Side view of the Oster Commercial Milkshake Machine, highlighting the sleek design and the cup support mechanism.
Operating Instructions
The Oster Commercial Milkshake Machine features an automatic activation system and two speed settings for versatile mixing.
- Prepare Ingredients: Add your desired ingredients to the mixing cup. Do not exceed the maximum fill line indicated by the measurement slots on the cup.
- Insert Cup: Place the mixing cup onto the cup support. The machine will automatically activate when the cup is properly inserted. The arrow support vessel allows for hands-free operation.
- Select Speed: Use the lever to select your desired speed:
- Low Speed: Ideal for gentle mixing or incorporating ingredients.
- High Speed: Suitable for thick milkshakes, frothing, or thorough blending.
- Mix: Allow the machine to mix until the desired consistency is achieved. The integrated agitators ensure consistent results.
- Remove Cup: Once mixing is complete, lift the cup from the support. The machine will automatically shut off.
- Serve: Pour your prepared beverage and serve.

Image 3: The Oster Commercial Milkshake Machine shown with a finished milkshake in a glass, demonstrating its intended use.
Care and Maintenance
Regular cleaning and maintenance will prolong the life of your Oster Commercial Milkshake Machine.
- Daily Cleaning:
- After each use, unplug the machine.
- Remove the mixing cup and wash it thoroughly with warm, soapy water. Rinse and dry.
- Wipe the agitators and the chrome head with a damp cloth to remove any residue. The chrome head's design allows for easy cleaning.
- Wipe down the exterior of the machine with a clean, damp cloth.
- Deep Cleaning: Periodically, perform a more thorough cleaning. Ensure no liquids enter the motor unit.
- Storage: Store the machine in a clean, dry place when not in use.
- Do Not Use Abrasives: Avoid using abrasive cleaners or scouring pads, as they can damage the finish of the machine and cup.
Troubleshooting
If you encounter issues with your machine, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not turn on. |
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| Motor runs but ingredients are not mixing well. |
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| Machine makes unusual noise. |
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If the problem persists after trying these solutions, please contact Oster customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Oster |
| Model Name | milk shake machine |
| Model Number | milk shake |
| Power Source | Corded Electric |
| Motor | 110 watt |
| Speeds | 2 (High, Low) |
| Material | Metal, Plastic (Chrome head, polished aluminum cup) |
| Item Weight | 11 Pounds |
| Operation Mode | Automatic (cup activated) |
| Included Components | Machine, Mixing Cup |
Warranty and Support
Oster products are manufactured to high-quality standards. For warranty information or technical support, please refer to the warranty card included with your product or visit the official Oster website. You may also contact customer service directly for assistance with any issues not covered in this manual.
Customer Service Contact: Please refer to your product packaging or the official Oster website for the most current contact information.





