3E7577 Alternator 24V 75A Fits Caterpillar 8N0999 D250E II D300E II 816F 826G

One New Aftermarket Replacement Alternator for Caterpillar (Cat) Heavy Equipment

This 24-volt, 75-amp Delco 25SI-series alternator replaces Caterpillar OEM part number 3E7577 and fits a wide range of Cat construction, mining, earthmoving, and scraper equipment powered by 3306, 3406, 3408, 3412, 3508, 3512, and 3516 series engines.

Specifications

• Voltage: 24V
• Amperage: 75A
• Unit Series: Delco 25SI
• Fan: External
• Regulator: Internal
• Mount Type: J180
• Terminal: Pin
• Polarity: Negative
• Wiring: 1-Wire System
• Weight: approx. 29 lbs

Compatible Models

Caterpillar Articulated Dump Trucks: D250E II, D300E II

Caterpillar Earthmoving Compactors: 815F, 816F, 825G, 826G, 836

Caterpillar Wheel Dozers: 814F, 824G, 834B

Caterpillar Off-Highway / Mining Trucks: 784B, 785, 785B, 789, 789B, 793, 797, 797B

Caterpillar Wheel Tractor-Scrapers: 621F, 623F, 627F, 631E, 637E, 651E, 657E

Caterpillar Wheel Loaders: 938G, 938G II, 950F, 950G, 950G II, 950H, 962G, 962G II, 962H, 966F II, 966G, 966G II, 970F, 972G, 972G II, 980G, 988B, 988F, 988F II, 992C, 992D

Caterpillar Track Tractors: D7H, D8N, D9N

Caterpillar Excavators: 345B, 345B II, 345B II MH, 345B L, 350, 350 L, 350-A, 350-A L, 365B, 365B II, 365B L, 375, 375 L, 375-A, 375-A L, 385B, 5080, 5090B, W345B II

Caterpillar Motor Graders: 120H, 120H ES, 120H NA, 12H ES, 12H NA, 135H NA, 140H ES, 140H NA, 143H, 14H NA, 160H ES, 160H NA, 163H NA, 16H NA

Caterpillar Underground Articulated Trucks: AD30, AD40, AD45, AE40, AE40 II

Caterpillar Pipelayer: 572R II

Caterpillar Engines (standalone): 3114, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3306, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412E, 3508, 3508B, 3512, 3512B, 3512C, 3512E, 3516, 3516B, 3516C, C-9, C-10, C-12, G3516

Replaces Part Number(s):

3E7577, 3E-7577, 0R3615, 0R-3615, 8N0999, 8N-0999, 0R2415, 0R-2415, 5Z1083, 5Z-1083, 568-2214, 5682214, 183-7632, 1837632

Aftermarket Interchange Numbers

Delco/AC Delco: 10459007, 10459062, 10459071, 10459076, 10459102, 10459148, 10461237, 1117069, 1117238, 1117249, 1117256, 1117281, 19010000, 19010002, 19010008, 19010022, 19010024, 321-655, 321-697 | Cummins: 3056492, 3078116, 203179 | Prestolite: 110-446 | Lucas: LRA02490 | Lester: 7252 | Euclid: E820131X

New aftermarket replacement part - not remanufactured, not used.