K20-3075B-4P Motor, 3/4hp, 230/460V, 3ph, bm

LiftMaster K20-3075B-4P — Motor, 3/4hp, 230/460V, 3ph, bm. Genuine LiftMaster replacement part, fits HJ5011, 230, 460V.

When a motor fails the operator hums without moving, trips the breaker, or cuts out on thermal overload. Check the capacitor first — a failed capacitor gives the same symptoms for a fraction of the cost.

Not sure this is the right part? Send us the model number from your operator’s data plate and a photo of the part you are replacing — parts@gatehousesupplies.com or 866-965-5599. We install and service this equipment and would rather confirm it than have you order twice.