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Service Magazine Machinery information Caterpillar:

New Telematics Software Is Now Available for Certain 320 to 340 Excavators {7490, 7601, 7610, 7620} A New Boom Line Support is Now Used on Certain 336, 336 GC, and 340 Excavators {5057} New Breather Assembly and Clamp Are Now Used on Certain Cat Machine Engines {1074, 1317} A New Bucket Cylinder Group Is Now Used on Certain Excavators, Mobile Hydraulic Power Units, and OEM Excavator Based Specialty Solutions {5457} A New Cylinder Head Is Now Used for Certain C175 Off-Highway Truck Engines {1100} Improved All-Wheel Drive (AWD) Lines Group Is Now Used on Certain Motor Graders {5057} Coupling Inspection and Replacement Instructions for Certain CX48-P2300, TH48, TH55 FT-E70, and TH55-E90 Transmissions {3030, 3252} New EC520 Controller Monitor Software is Now Available for Cat Grade System {1408, 7220, 7490, 7610, 7620} Cooling Lines Group Retention is Improved on Certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks {1374, 1380, 5057} An Improved Counterbalance Travel Valve is Now Used on Certain Excavators, Mobile Hydraulic Power Units, and OEM Based Specialty Solutions. {5811} New Injector Cooling Tank Is Now Available for Certain 320 to 336 Excavators {1355, 1380} A New Hydraulic Return Oil Filter Element Assembly is Now Available for Certain D2/E/F Series Excavators {3004, 4295, 431F, 5068, 5091, 5092} New Engine Software and Aftertreatment Software are Now Used for 797F Tier 4 Off-Highway Trucks {1920, 7620} New Control Valve Spool Group for Travel on Main Control Valve are Now Used on Certain 336, 336 GC and 340 Excavators {5051} New Engine Harness Assembly is Now Available For Certain Excavators {1408} New Sheet Assembly for the Engine Bottom Guard Is Now Available for 374F and 390F Excavators {7153} New Engine Software for Certain C7.1 Engines {1920} An Improved Fuel Injector is Now Used on Certain C9.3 Machine Engines {1251, 1254, 1290, 1713} New Hard Washers are Used for the Mounting Hardware on the Oil Scavenge Pump Group for Certain C175 Off-Highway Truck Engines {1312} A New Check Valve and Regulator are Used with Updated Mounting Hardware for Oil Pump Outlet Elbow on Certain C175 Machine Engines {1304, 5117} A New Steering Cylinder Buffer Seal is Now Used on Certain 797B and 797F Off Highway Trucks {4303, 7555} Improved Attachment Valve (F2) Is Now Used on Certain 320, 320 GC and 323 Excavators {5051} New Lifter Assembly is Now Used on Certain Machine Engines {1102} New Liner Bore Inserts are Now Available for C175 Engine Rebuilds {1216} Improved Blocks for the Delivery Lines are Now Used on Certain Excavators, Mobile Hydraulic Power Units, and OEM Excavator Based Specialty Solutions {5057}


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