LBD-4 Mechanical 4-Row Automatic Mini Donut Maker (1,800 pcs/hr, Classic Knob Control)

The Reliable Workhorse for High-Volume Mini Donut Production

Simplicity meets modern structural precision. The Tenshine LBD-4 (Mechanical Version) is the classic, heavy-duty choice for food trucks, bustling outdoor festivals, and commercial kitchens. Unlike fully digital models, this 4-row automatic donut robot utilizes robust mechanical knobs for its core heating system, combined with a smart digital counter for production tracking. It is designed for operators who demand tactile control, maximum durability, and exact inventory accountability.

🏆 Why Choose the LBD-4 Mechanical Model?

1.Classic Mechanical Control + Smart Digital Tracking

Built for the real world. The core operations (temperature regulation and conveyor speed) rely on heavy-duty analog knobs and simple switches, ensuring maximum durability against heat and grease. However, it also features an independent 6-Digit Digital Display Counter that tracks every single donut flipped and produced, giving owners exact numbers for perfect food cost control.

2. High-Speed 4-Row Output (1,800 pcs/hour)

Don't sacrifice speed for simplicity. Equipped with 4 fixed 25mm precision molds, this machine processes 4 rows of batter simultaneously, delivering an incredible output of approximately 1,800 mini donuts (30-50mm) per hour to help you crush long queues.

3. Advanced Structural Upgrades (Rotating Head)

We’ve modernized the mechanical classic. The machine features an innovative multi-directional rotating dropping head. Simply swing the 5.5L hopper aside to safely access, drain, and clean the heavy-duty 10.8L stainless steel frying tank. Rapid assembly and easy cleaning mean less downtime between shifts.

4. Ultimate Commercial Safety Systems

Your staff’s safety is our priority. Backed by patented technology and CE certification, the mechanical LBD-4 is equipped with a strict Dual-Button Start System and an Automatic Overheat Protector. The constant-temperature heating system constantly monitors the oil, automatically cutting power if temperatures exceed safe commercial thresholds.

5. 5-Level Thickness Adjustment

You have absolute control over the final product. Easily adjust the plunger settings across 5 mechanical levels to change the batter drop volume, switching effortlessly between light, airy bites and rich, dense mini donuts.

📊 Technical Specifications

• Model: LBD-4 (Mechanical Knob Control Version)
  
• Target Application: Food Trucks & Mobile Catering
  
• Control Type: Analog Knobs & Switches (with Digital Auto-Counter)
  
• Power Source: Commercial Electric (2000W / 2kW)
  
• Voltage: 220V/50-60Hz (110V support available upon request)
  
• Production Output: 1,800 pcs/hour
  
• Donut Size Range: 30-50mm (Mini Donut)
  
• Included Molds: 4 x 25mm Fixed Plungers
  
• Hopper Capacity: 5.5 Liters (5.5L)
  
• Frying Tank Capacity: 10.8 Liters (10.8L)
  
• Frying Tank Dimensions: 388 x 248 x 63 mm
  
• Conveyor Dimensions: 380 x 275 x 60 mm
  
• Net Machine Dimensions: 500 x 400 x 400 mm (Length expands by +240mm with receiving tray attached)
  
• Packing Dimensions: 570 x 450 x 440 mm
  
• Weight (Net / Gross): 16 kg (35.2 lbs) / 17.5 kg (38.5 lbs)
  
• Certifications: CE Certified, Patented Technology
  

❓ Frequently Asked Questions (Q&A)

Q: What is the exact difference between the Mechanical and Electronic LBD-4 models?

A: Both models feature the precise 6-digit production counter for inventory tracking. The main difference lies in the core operating system: the Mechanical model uses traditional knobs and physical toggle switches for temperature and speed regulation, while the Electronic model utilizes a full digital motherboard. The Mechanical version is highly preferred for its ruggedness and simplicity in outdoor or mobile food truck environments. 

Q: Is the mechanical version hard to repair?

A: No, it is actually the opposite! One of the main advantages of the Mechanical model is its simplicity. The core heating and motor components are standard, non-proprietary electrical parts that are easy to access, making it incredibly maintenance-friendly for long-term commercial use. 

Q: How does the rotating dropping head help with cleaning?

A: Instead of having to lift a heavy batter hopper straight up and off the machine, the multi-directional rotating head allows you to simply swing the dropping mechanism out of the way. This gives you immediate, unobstructed access to the oil tank for rapid draining and wiping.