This genuine JCB 320D9980 alternator is a 12-volt, 100-amp unit, crucial for maintaining the electrical system and charging the battery in a range of JCB machinery. It ensures reliable power supply for demanding agricultural and construction applications, fitting various JCB 3CX and 4CX backhoe loaders, as well as Loadall telehandler models including 531-70, 535-95, 540-140, 540-170, 540-200, 541-70, 550-80, and 560-80.