Simplicity P1728E Signature Pro 28 Snowblower 16.5TP 420cc Engine#1696521Simplicity P1728E Signature Pro 28 Snowblower 16.5 TP 420cc Engine #1696521. This item ships free to a residence. Brandnewengines is unable to arrange transportation of items to or from an authorized service center. We are also unable to arrange for a technician to come to your.