The KitchenAid Heavy Duty 5KSM55SXXBOB mixer delivers professional-grade performance with its all-metal construction and powerful 375-watt motor. This robust stand mixer handles everything from delicate meringues to heavy bread dough with ease.
Featuring 11 distinct speeds including a special fold setting, this mixer provides precise control for every recipe. The bowl-lift design secures the 5.2-litre stainless steel bowl with a three-point locking system for stable operation during heavy mixing tasks.
Built for durability, it includes thermal protection and high heat cut-off safety features. The Soft Start technology prevents ingredient splashing by gradually accelerating to your chosen speed, making mixing cleaner and more controlled.
This heavy duty model features all-metal construction throughout, including metal gears instead of plastic ones found in lighter models. It has a more powerful motor and enhanced thermal protection system. The bowl-lift design provides greater stability for heavy mixing tasks compared to tilt-head models. This makes it ideal for frequent use and demanding recipes like dense bread doughs.
Yes, this mixer excels at heavy-duty tasks. The 375-watt motor and all-metal gear system provide sufficient power for thick bread doughs and dense batters. The bowl-lift design keeps the bowl stable during vigorous mixing. Many users specifically praise its performance with bread dough and the thermal protection prevents overheating during extended kneading sessions.
There's an adjustment screw located behind the bowl attachment point. Turn this screw counterclockwise to lower the beater or dough hook closer to the bowl bottom. Make small adjustments and test the clearance - you want the beater to nearly touch the bowl bottom but not scrape against it. This adjustment ensures proper mixing and ingredient incorporation.
The mixer includes a white coated spiral dough hook and flat beater. Additional attachments available separately include wire whips, pasta makers, meat grinders, ice cream makers and grain mills. All KitchenAid stand mixer attachments are compatible with this model, giving you versatility to expand its capabilities for various cooking tasks.
While robust and durable, this is designed for home use rather than commercial applications. However, its heavy-duty construction, all-metal gears and thermal protection make it suitable for serious home bakers and those who bake frequently. The build quality exceeds typical domestic mixers, making it appropriate for demanding home kitchen environments.
Users report this mixer operates surprisingly quietly compared to other stand mixers. The all-metal construction and quality engineering reduce vibration and noise. While it's not silent, it's considerably quieter than many competitors, making it more pleasant to use without disturbing others in the home.
KitchenAid provides warranty coverage, though specific terms vary by region. If issues occur, contact KitchenAid customer service directly rather than relying solely on retailer support. Document any problems with photos and keep purchase receipts. Some users have experienced delays with repair services, so consider purchasing from retailers with strong return policies.
Regular maintenance includes wiping down the motor housing with a damp cloth and ensuring the bowl and attachments are thoroughly dried after washing. Don't submerge the motor unit in water. Periodically check the beater height adjustment and lubricate the bowl-lift mechanism if it becomes stiff. Store in a dry location and avoid overloading the mixer beyond its capacity recommendations.
| Model Number | 5KSM55SXXBOB |
| Colour | Onyx Black |
| Capacity | 5.2 litres |
| Motor Power | 375 watts |
| Voltage | 240V |
| Number of Speeds | 11 |
| Weight | 12.7 kg |
| Height | 41.9 cm |
| Width | 28.7 cm |
| Depth | 37.2 cm |
| Bowl Material | Stainless Steel |
| Body Material | Metal |
| Gear System | All-Metal Gears |
| Design Type | Bowl-Lift |
| Locking System | 3-Point Bowl Lock |
| Control Type | Lever Speed Control |
| Safety Features | High Heat Cut-off, Thermal Protector |
| Start Technology | Soft Start |
| Included Attachments | Spiral Dough Hook, Flat Beater |
| Attachment Hub | Universal KitchenAid Compatible |
| Country of Origin | USA |
| Dishwasher Safe | Bowl and Attachments Only |
| Fold Speed | Half Speed of Stir Setting |
| Construction | Full Metal Body |
| Beater Coating | White Coated |