Condition UsedUsed on the following models:Life FitnessTR-3500 – GK40-00006-XXXX (SN 843157-846063)TR-3500 – GK40-00010-XXXX (After SN 846064)TR-4000 – GK40-00008-XXXX (After SN 558000)TR-4000 – GK40-00012-XXXX (SN 561990-562014)TR-4500 – GK40-00003-XXXX (SN 544000-545076)TR-4500 – GK40-00005-XXXX (SN 545077-546453)TR-4500 – GK40-00007-XXXX (SN 546454-548365)TR-4500HR – GK40-00009-XXXX (After SN 548366)TR-4500HR – GK40-00013-XXXX (After SN 563091)TR-5500 – GK36-00008-XXXX (After SN 273954)TR-5500HRS – GK36-00006-XXXX (SN HTE266037-HTE273953)TR-8500 – GK45-00001-XXXX (SN 352000-353476)TR-8500 – GK45-00005-XXXX (SN 353477-354704)TR-8500 – GK45-00010-XXXX (After SN 354705)TR-8500 – GK45-00012-XXXX (After SN 357700)TR-9000 – GK45-00003-XXXX (SN CTC339500-CTC341199)TR-9000 – GK45-00009-XXXX (After SN 341200)TR-9000 – GK45-00011-XXXX (SN 344637-344672)TR-9100 – GK26-00015-0100 (SN 333423-336775)TR-9100 – GK26-00022-0100 (SN 345780-349474)TR-9100HR – GK26-00012-XXXX (SN 333423-336893)TR-9100HR – GK26-00026-0100 (SN 348981-348995)TR-9100HR – GK26-00026-XXXX (After SN 349475)TR-9500HR – GK26-00030-XXXX (After SN 313976)TR-9500HR – GK26-00030-XXXX (SN 313516-313566)TR9100 – GK26-00020-0100 (SN 336894-345779)TR9100HR – GK26-00012XXXX (S/N 333423-336893)