For Models; H)-RG, CRG, RP, CRP, HRPD, RPB, CRPB Series 8, (C)-RGBL, RPBL, PGBL and SSCBL manufactured beginning 12/96 (Serial No.Date Code AVL), H)-RX, CRX, RPV Series 8, SC Series 6,  H)-X, CX, XE, CXE Series 8, CRPV Series 5 and 6, DFAH, PDFAH prior to Series 6, (C)-PAK, RPAK, RPVAK Series 6, PV, PVA, PVB, PVE, RCG 7-1/2 and 10 Ton, RGB, CRGB, (C)-RGBL, RPBL manufactured prior to 12/96 (last Serial No. Date Code AVK), RP, HRPD with Option BU12, (H)-RX, CRX, REB, CREB, RPV, CRPV, RPVE, RPBE Series 6 and 7; (H)-CRPV Series 5 and 6, UA; UB, (H)-X, CX, XE, CXE Series 6 and 7.