p&t

Rail track maintenance machines, rail track building machines, machines for measuring rail track geometry, rail track tamping machines, tamping units and tamping tines for rail track tamping machines for the tamping of rail track ballast beds, parts of the aforementioned goods as far as included in this class; air cleaners (air filters), injection pumps, injection nozzles, fuel filters, oil filters, all aforementioned goods for engines excluding those for land and air vehicles; rolling bearings, slide bearings, shafts, shaft seals, gear wheels for machines, drive wheels, gears, springs, filters, pumps, speed governors, pressure relief valves, oil coolers, brakes, hydraulic pumps, hydraulic cylinders, hydraulic reservoirs, hydraulic filters, hydraulic pipes being parts of machines, hydraulic motors, hydraulic valves, power boosters for hydraulic transmission gears, all aforementioned goods for machines in this class; motors and engines for machines in this class; connecting shafts for machines; hydraulic pumps and hydraulic motors and components thereof; control valves and brake valves for machines; compressors, compressed air reservoirs, compressed air cylinders and compressed air motors; ballast conveyors, ballast conveyor belts, ballast excavators, parts of the aforementioned goods, as far as included in this class. Vehicle dynamics control devices, namely control systems for the optimization of vehicle acceleration, traction control systems, namely control systems for matching the traction forces exerted on rail tracks by several vehicle chassis, memory-programmable control devices, memory-programmable devices, namely devices for generating subprogrammes for programming automatic processes, and memory- programmable electric measuring data acquisition devices in each case for rail track maintenance machines, rail track building machines, machines for measuring rail track geometry and rail track tamping machines, each moveable on rail tracks. Maintenance, repair and servicing of rail track maintenance machines, rail track building machines, rail track tamping machines and machines for measuring rail track geometry.