The KitchenAid KSM55 is a 5.5-quart bowl-lift stand mixer — the entry point into the residential bowl-lift lineup. It features a stationary head with a lever-operated bowl lift and a 500-watt motor. The KSM55 shares the bowl-lift platform architecture with the KSM60 and KSM70, with many internal components interchangeable across the residential bowl-lift family.

✓ Model-Specific Repair Pages

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The KSM55 uses a 500-watt motor with a 10-speed planetary drive. The bowl-lift cam and lift arm are the primary wear points. The 5.5-quart stainless bowl is specific to this model. Cross-reference with KSM60 and KSM70 for shared internal components.

✓ Common Symptoms Fixed

Bowl won't rise or lock: Bowl lift cam or arm worn.

Grinding noise: Worm gear worn — replace with grease pack.

Shuts off mid-use: Carbon brushes worn — replace both.

Erratic speed: Speed control board failure.

✓ Key Features & Specifications

Model: KSM55 | Type: Bowl-Lift | Series: Residential

Bowl Capacity: 5.5 Quarts | Motor: 500 Watts | Speeds: 10

✓ Buying Options

OEM Parts: Original KitchenAid factory parts — exact fit, full manufacturer specifications.

XPart Aftermarket: Premium aftermarket replacements engineered to OEM specifications. XPart aftermarket replacement parts are not affiliated with, sponsored by, or endorsed by KitchenAid or any OEM manufacturer.

✓ Replacement Part Numbers

W10490648 (Carbon Brush Set) | W10119326 (Speed Control Board) | W10820039 (Grease Pack) | W10916114 (Worm Gear) | W10672878 (Flat Beater) | W10672879 (Dough Hook)

✓ Installation Tips

Unplug before any repair. Access internal components by removing the top cover plate. Inspect the lift cam and arm pivot points whenever servicing the lift mechanism.

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