2019 CAT 340FUHD , Online Owner's Manual , TRACK SHOES (PADS) CONDITION: 80 %, TRACK SHOES (PADS) WIDE: 600 MM, UNDERCARRIAGE CARRIER ROLLERS: 60 %, UNDERCARRIAGE IDLERS: 70 %, UNDERCARRIAGE SPROCKETS: 60 %, UNDERCARRIAGE TRACK BUSHINGS: 30 %, UNDERCARRIAGE TRACK LINKS: 60 %, UNDERCARRIAGE TRACK ROLLERS: 60 %,
