2020 CAT 301.8-05A , Online Owner's Manual , OPERATING WEIGHT: 1.9 T, TRACK SHOES (PADS) CONDITION: 60 %, UNDERCARRIAGE CARRIER ROLLERS: 60 %, UNDERCARRIAGE IDLERS: 60 %, UNDERCARRIAGE SPROCKETS: 60 %, UNDERCARRIAGE TRACK BUSHINGS: 60 %, UNDERCARRIAGE TRACK LINKS: 60 %, UNDERCARRIAGE TRACK ROLLERS: 60 %,