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Alternator Compatible With 55Si 12V 420 Amp Brushless 80Mm Pad Mount Heavy-Duty Fire Truck Utility

8600473
OEM PART NUMBERS:
• 8600473
• Supersedes: DRA8600473

SPECIFICATIONS:
• Type: Alternator — 55SI Series
• Family Type: 455
• Series: 5370
• Design: Brushless — fewer moving parts, longer service life
• Voltage: 12V
• Amperage: 420A
• Efficiency: 80%
• Fan: External
• Cooling: Dual Internal Fan Design (DIF)
• Regulator: Internal with Remote Sense
• Mount Type: Pad Mount — 80mm Pad Length
• B+ Output Terminal: 5/16
• I Terminal: #10
• R Terminal: #10
• Remote Sense Terminal: Yes — reduces battery charge time by 50%
• Polarity: Negative
• Weight: ~28 LBS
• Condition: New

KEY FEATURES:
• Highest output alternator in its class
• Brushless design — fewer moving parts, extended service life
• Remote Sense reduces battery charge time by 50%
• Can replace dual alternator systems
• Heat-dissipating radiant vents and thermally tolerant components
• Only 80mm pad mount type available in 12V configuration

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

Was: $4,306.73
Sale: $2,460.99
Save: 43%
Save: $1,845.74
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Description

⚠️ THIS ALTERNATOR FITS VARIOUS APPLICATIONS BY PART NUMBER.
This 55SI is the ONLY 80mm pad mount type in 12V. Verify part number before ordering.

FIRE & RESCUE TRUCKS:
• Fire trucks and emergency vehicles — all OEM fire truck manufacturers
• Rescue trucks and ambulance chassis with high electrical demand

UTILITY & WORK TRUCKS:
• Utility trucks with inverters, plug-in power tools, lights, and electrical equipment
• Work trucks requiring high-output charging for auxiliary equipment
• Can replace dual alternator systems — frees hood space for other accessories

MEDIUM & HEAVY-DUTY TRUCKS:
• Long haul trucks with multiple battery auxiliary power units (APUs)
• Medium-duty and heavy-duty truck applications with 80mm pad mount

INDUSTRIAL & AGRICULTURAL EQUIPMENT:
• Various industrial applications with 80mm pad mount and 12V electrical system
• Agricultural equipment with high electrical load demand

NOTE: Fits by part number 8600473 — verify 80mm pad mount configuration matches your application before ordering.

Details

Shipping Information

  • Item Requires Shipping
  • 42.0 lbs.
  • W17.0000” x H12.0000” x L17.0000”
  • Free Shipping!

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