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Service Magazine Machinery information Caterpillar:

Crankshaft Counterweights Are Now Available for Certain C175 Off-Highway Truck Engines {1231} New Charging Alternator Group, Alternator Mounting Group, and Alternator Guard Group Are Now Used on Certain Off-Highway Truck Engines {1154, 1405, 7150, 7174} New C175 Enhanced Engine Oil Filtration System Upgrade Kits Are Now Available for 793F, 794 AC, and 796 AC Off-Highway Trucks {1306, 1307, 1308, 1328} New EC520 Controller Software is Now Available for Cat Grade System Used on Certain Machines {7220, 7606, 7620} A New Counterweight Is Now Used on Certain 320 to 345 GC Excavators {1408} Improved Transmission Control Group Is Now Used on Certain 120 and 140 Motor Graders {3065, 5258} A New Breather Gasket Is Now Used on Certain Cat Machine Engines {107F, 7555} A New Procedure is Now Available to Check the Rear Crankshaft Seal for Suspected Leaks on Certain 336 Hydraulic Excavator Engines {0701, 7555, 7583} Rear Suspension Bellow Retention Clamps for 794 AC, 796 AC, and 798 AC Off-Highway Trucksare Available {7200, 7201, 7213} New Track Roller Frame Assembly Is Now Used on Certain 390F Excavators, Mobile Hydraulic Power Units, and OEM Excavator Based Specialty Solutions Equipped with Ripper Application {4150} Improved Back-Office System to Handle the Exception to Tether Unsubscribed Devices is Now Available For Certain Cat<SUP>&reg; Products {7606} The Steering Group Is Improved on Certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks {4303} The Water Line Group Hose and Pipe Assemblies are Improved on Certain 794 AC and 796 AC Off-Highway Trucks {1380} Bolts with Correct Coating for Door Group are Now Used on Certain 308 Mini Hydraulic Excavators {7273} New Firmware is Now Available for Certain MS955, MS975, and MS995 Global Navigation Satellite System (GNSS) Receivers {7010, 7490, 7601, 7603, 7610, 7620} A New Hydraulic Cylinder Seal Kit is Now Used in the Steering Cylinder Group on Certain Large Off-Highway Trucks {4303, 7555, 7562} New Machine and Monitor Software Is Now Available on Certain 320 to 340 Excavators {7610, 7620} New Machine Software Is Now Used on Certain 320 to 352 Excavators {7610, 7620} A New Engine Access Ladder Is Now Available On Certain 794 AC, 796 AC, And 798 AC Off-Highway Trucks {0679, 7050, 7051, 7254} The Powered Access Stairway is Improved on Certain 797F Off-Highway Trucks {0679, 7050, 7253, 7254, 7255, 7256, 7277} Rear Wheel Traction Motor Air Cooling Flex Hose Retention is Improved on Certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks {0679, 4017, 7051} A New Valve Cover Bolt Torque Is Now Used on Certain C9 and C9.3 Machine Engines {1107} New Hardware Updates are Now Used On Certain Excavators {7000} The Air Lines Group is Improved on Certain 797F Off-Highway Trucks {1071} A New Coolant Tube Assembly Is Now Used on Certain C15 and C18 Machine Engines {7554}


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