Bobcat 6678205 Alternator Assembly

The Bobcat 6678205 alternator is a 12-volt, 90-amp charging unit designed for heavy-duty construction equipment. It features an internal voltage regulator, clockwise rotation, and a single-groove pulley with a 10:00 plug clock position. The unit utilizes a negative ground polarity and mounts via two ears with thicknesses of 36.6 mm and 12.9 mm respectively. This alternator serves as a direct replacement for Bobcat OEM part numbers 6675292, 6681857, 6690593, and 7008772. It is engineered to meet original equipment specifications for reliable electrical output across a wide range of Bobcat skid steer loaders, compact track loaders, mini excavators, and Toolcat utility work machines. The alternator is commonly paired with Kubota V3800, V2203, and V3300 series diesel engines.