VEVOR House Floor Jack, 54"-150" Height Range, 11200 lbs Max Load Capacity, Adjustable Support Beam Basement Jack Post Pole for Leveling, Lift Support Steel Telescoping Jack for Temporary Support

Yes, this product has a maximum load capacity of 11200 lbs / 5080.23 kg.

Net weight 17.15 kg.

I did not find any information about replacement parts in the product description or customer reviews.

I did not find any information about whether it comes with a storage case in the product description or customer reviews.

While the product information does not explicitly mention whether the height is adjustable while loaded, it does state that the basement jack post has an adjustable height from 54 to 150 inches. Additionally, customers appreciate its versatility and quality.