Alternator For John Deere Excavator 330C 330LC 370 370C 1999 on MAHLE 24v 50a. Unit of Measure EACH. Description ALT 24V 50A MAHLE. Adjusting Hole Diameter 8. Mount Leg Thickness 51mm. Pivot Hole Diameter 10. Suits Unit Make Mahle. Alternator Mount Single Leg. Mount Cnt to Cnt 173mm. Alternators also fulfil all international standards and requirements for electromagnetic compatibility, and are manufactured using environmentally friendly technologies and materials.