Quick Answer Cummins, Perkins, CAT and most other prime power generator brands do not manufacture their own AVR, the voltage regulation card is built by an alternator specialist such as Stamford, Leroy Somer, Mecc Alte or Marathon and simply fitted inside the genset. Read the model printed on the AVR card itself, Stamford AS440 or … Read more
Quick Answer Match a replacement alternator to the generator set’s kVA rating, output voltage, frequency and mounting frame size before anything else. An alternator that is electrically correct but physically the wrong frame size will not couple to the engine, and one that is the right frame but the wrong kVA rating will underperform or … Read more
Quick Answer A clicking sound when you turn the key usually points to a weak battery or a failing solenoid, not the starter motor itself. A single loud click followed by silence more often means the solenoid. Slow, labored cranking with no click at all points toward the starter motor windings or a bad connection. … Read more
