2020 CAT 637K Bumper: Good; Cab or Canopy: Good; Differential Supports: Good; Front Crankcase Guard / Batter: Good; Front Engine Enclose Hood / St: Good; Front Fenders: Good; Front Frame: Good; Front Pre-Cleaner Bowl: Good; Front Radiator Grill & Shroud: Good; Front Sheet Metal: Good; Grab Irons: Fair; Paint: Fair; Rear Crankcase Guard / Batter: Good; Rear Engine Enclose Hood / Sta: Good; Rear Fenders: Good; Rear Frame: Good; Rear Fuel Tank: Good; Rear Pre-Cleaner Bowl: Good; Rear Radiator Grill & Shround: Good; Rear Sheet Metal: Good; Steps / Ladder: Fair; Horn: Good; Air Conditioner: Fair; Dash Console: Fair; Door Latches: Fair; Gauges: Good; Glass/Mirrors: Good; Heater: Good; Meter: Good; Seat Cushion / Arm Rest: Fair; Switches: Fair; Windshield Wipers: Fair; Operating Condition - FRONT ENGINE: Good; Operating Condition - REAR ENGINE: Good; Coolers - FRONT COOLING SYSTEM: Good; Fan - FRONT COOLING SYSTEM: Good; Hoses - FRONT COOLING SYSTEM: Fair; Radiator - FRONT COOLING SYSTEM: Good; Water Pumps - FRONT COOLING SYSTEM: Good; Coolers - REAR COOLING SYSTEM: Good; Fan - REAR COOLING SYSTEM: Good; Hoses - REAR COOLING SYSTEM: Fair; Radiator - REAR COOLING SYSTEM: Good; Batteries / Cables - FRONT ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Lighting - FRONT ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Starter - FRONT ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Batteries / Cables - REAR ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Lighting - REAR ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Starter - REAR ELECTRICAL, STARTING & CHARGING SYSTEM: Good; Case - FRONT TRANSMISSION: Good; Controls - FRONT TRANSMISSION: Good; Operating Condition - FRONT TRANSMISSION: Good; Seals - FRONT TRANSMISSION: Good; Torque Converter - FRONT TRANSMISSION: Good; Transmission - Forward Shifts - FRONT TRANSMISSION: Good; Transmission - Reverse Shifts - FRONT TRANSMISSION: Good; Case - REAR TRANSMISSION: Good; Controls - REAR TRANSMISSION: Good; Operating Condition - REAR TRANSMISSION: Good; Seals - REAR TRANSMISSION: Poor; Torque Converter - REAR TRANSMISSION: Good; Transmission - Forward Shifts - REAR TRANSMISSION: Good; Transmission - Reverse Shifts - REAR TRANSMISSION: Good; Steering Cylinder: Good; Steering Linkage: Good; Steering Valves / Pumps: Good; Control Valve: Good; Operating Condition - BRAKE: Good; Parking Brake: Good; Pump - BRAKE: Good; Apron Cylinder: Good; Control Linkage: Good; Ejector Cylinder: Good; Hose Lines: Fair; Overall Operating Condition: Good; Pumps & Valves: Fair; Rear Lift Cylinders: Good; Apron: Fair; Bail: Good; Bowl: Fair; Cutting Edge: Good; Ejector: Fair; Ejector Rollers: Fair; Floor: Fair; Moldboard / Frog: Good; Cushion Hitch Control Valve: Good; Cushion Hitch Cylinder: Good; Cushion Hitch Operation: Good; Cushion Hitch Pump: Good; H-Link Pins: Good; Horizontal Pins: Fair; Vertical Pins: Fair; Front Axle - FINAL DRIVES: Good; Front Final Drives: Good; Rear Axle: Good; Rear Final Drives: Good; Wheel Lugs & Rims: Good; , AIR CL