Siemens Dimension Xpand Capstan Assembly. Call our Parts Department at 844-673-7378 to purchase this part by phone at our preferred pricing, or you may use the form below to email us with any questions you may have on this particular part. We also offer service, service contracts, parts contracts, and re certified equipment sales! To see what quality re certified equipment we have available just click on the Red Banner Below. If you don’t see what you want just give us a call we will find you the perfect unit, re certify it, and provide you with service after the sale!