621 Series Single Foot Alternators
621 Series models feature a single-foot (spindle) mount. These alternators include a 1" mounting foot
for Motorola-style engine applications, and a bushed 1" spacer, which allows the 621-Series to be installed on
engines requiring a 2" (Delco-style) single foot mount
Balmar’s Top Selling Alternator Line
70A, 100A and 120A Versions
Patented Smart Ready® Technology
Dual Fan Cooling
High Airflow Frame
Maximum RPM: 12,000
USCG Title 33, ISO, SAE and CE Compliant
Ideal for Modest Charging Upgrades