Heavy Duty Alternator

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Equivalent Replacement Parts for CUMMINS Part Number 3944879

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Part Number	Description	Brochure (English)	Brochure (Spanish)
19011013 19011013 23SI New Alternator Status: Obsolete Type: New Voltage: 12 Rated Output: 100 Amps Mount Type: J180 Hinge B+ Output: 1/4 R Terminal: #10 I Terminal: #10 Remote Sense: No Polarity: Negative	23SI New Alternator

Upgrade Options

Part Number	Description	Amps	Feature	Brochure (English)	Brochure (Spanish)	Notes
8600313 8600313 28SI New Alternator Status: Active Type: New Voltage: 12 Rated Output: 200 Amps Mount Type: J180 Short Hinge B+ Output: 5/16 R Terminal: #10 I Terminal: #10 Remote Sense: Yes Polarity: Negative	28SI New Alternator	200	High Output	Download PDF	Download PDF	Dual Internal Fans / Tech Tip Video Dual Internal Fan Alternators When replacing an external fan alternator with an internal fan alternator DO NOT take the external fan from the original model and apply to the internal fan alternator. This will result in pulley and belt misalignment. Tech Tip Video: Dual Internal Fans
8600064 8600064 35SI New Alternator Status: Active Type: New Voltage: 12 Rated Output: 140 Amps Mount Type: J180 Hinge B+ Output: 1/4 R Terminal: NULL I Terminal: NULL Remote Sense: Yes Polarity: Negative	35SI New Alternator	140
8600126 8600126 36SI New Alternator Status: Active Type: New Voltage: 12 Rated Output: 170 Amps Mount Type: J180 Hinge B+ Output: 1/4 R Terminal: #10 I Terminal: #10 Remote Sense: Yes Polarity: Negative	36SI New Alternator	170	Improved Performance & 3 Year Warranty	Download PDF	Download PDF
8600310 8600310 24SI New Alternator Status: Active Type: New Voltage: 12 Rated Output: 160 Amps Mount Type: J180 Hinge B+ Output: 5/16 R Terminal: #10 I Terminal: #10 Remote Sense: No Polarity: Negative	24SI New Alternator	160		Download PDF	Download PDF	Dual Internal Fans / Tech Tip Video Dual Internal Fan Alternators When replacing an external fan alternator with an internal fan alternator DO NOT take the external fan from the original model and apply to the internal fan alternator. This will result in pulley and belt misalignment. Tech Tip Video: Dual Internal Fans