Using a Kaluza-Klein framework, we consider a relativistic fluid whose projection yields the supersymmetric non-relativistic Chaplygin gas introduced by Bergner-Jackiw-Polychronakos and by Hoppe, The conserved (super)charges of the Chaplygin gas are obtained as the projection of those arising in the extended model. (C) 2001 Elsevier Science B.V. All rights reserved.