Small-body alternator; 5/8" belt pulley, and pigtail w/diode.
This will fit vehicles where the fit is too tight for the more common 10SI; like the Farmall H & M tractors.
4" body diameter. Corners of the rear housing extends past the body 1/2".
Comes with a blocking diode and offers superior performance to one-wire type alternators.
Lower cut-in speed.
No battery drain.
Blocking diode prevents unwanted ignition feed and annoying no shut-off condition.
Simple two wire hook-up.
New farm, industrial & truck alternator 12V; 40A