PC951 Hydraulic Excavator Service Repair Manual (S/N: and up) PC95R2 Hydraulic Excavator Service Repair Manual (SN 21D and up, 21D and up) PC95R2 Hydraulic Excavator Service Repair Manual (SN 21D and up) PC95R2 Hydraulic Excavator Service Repair Manual (SN 21D and up)