OEM PART NUMBERS:
• 8600453
• 8600483
• 8600495
• 8600737
• 8600739
• 8600807
• 61006082
SPECIFICATIONS:
• Type: Alternator — 55SI Heavy-Duty Brushless
• Family Type: 455
• Voltage: 24V
• Amperage: 250A
• Fan: External (EF)
• Regulator: Internal (IR)
• Mount Type: Quad Pad Mount (gear-driven)
• Pad Span: 4.97 in / 126.24 mm
• DE Mounting Holes: 10.6mm ID Unthreaded
• SRE Mounting Holes: 12.6mm ID Unthreaded
• B+ Terminal: 5/16-18
• R-Terminal: #10
• I-Terminal: #10
• Ground Terminal: 3/8 Rear Housing
• Remote Sense: Yes
• Terminals: Indicator Light, Remote Sense & Relay
• Polarity: Negative
• Temperature Rating: 125°C / 257°F
• Weight: 42.0 lbs / 19.1 kg
• Design: Brushless — fewer moving parts, longer service life
• Condition: New
APPLICATIONS (FITS BY PART NUMBER — VERIFY P/N ON YOUR UNIT):
• Caterpillar (CAT) — Industrial & Off-Highway Equipment with 55SI 24V System
• Komatsu 830E / 860E / 930E / 960E — Off-Highway Mining Trucks with 24V 55SI System
• MCI (Motor Coach Industries) — Transit Bus Applications with 55SI 24V System
• Industrial Transit Bus — Various Models with 55SI 24V Charging System
• Wheel Loaders, Motor Graders, Mining & Construction Equipment — 24V 55SI Applications
⚠️ Confirm one of the listed part numbers on your original alternator before ordering.
Pad span: 4.97 in / 126.24 mm | DE holes: 10.6mm | SRE holes: 12.6mm — verify fit.
HIGH OUTPUT ALTERNATOR — Caterpillar Komatsu MCI Bus Industrial 250A 24V 55SI Brushless:
New 250A 24V 55SI brushless heavy-duty alternator for Caterpillar industrial/off-highway equipment, Komatsu 830E, 860E, 930E, and 960E off-highway mining trucks, and MCI transit bus applications. Pad mount, external fan, internal regulator, 5/16-18 B+, 3/8 rear ground, #10 R/I terminals, remote sense, indicator light and relay terminals, 42.0 lbs, 125°C / 257°F rating. Replaces 8600453 / 8600483 / 61006082 / 8600737 / 8600739 / 8600807 / 8600495.
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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