Whirlpool drains but spins only when not loaded, when loaded it will not spin

I have a Whirlpool Washer Model # LSR8233JQ1 and on the spin cycle with a load of clothes it will not spin. The water drains out but the clothes are dripping wet because the tub doesn’t spin. With no cloths it will spin. Do you know what part would need to be replaced to get this up and running again?