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Alternator 24V Compatible With John Deere 6090Sfm85 Marine

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22181A5
JOHN DEERE OEM PART NUMBERS:
• John Deere: RE551447 — current John Deere number
• John Deere: RE540805 — earlier John Deere number

LETRIKA ISKRA PART NUMBERS:
• Letrika Iskra: 11.204.425 / 11204425 — current build
• Letrika Iskra: 11.204.246 / 11204246 — earlier build
• Letrika Iskra Sales: IA 1443 / IA1443
• Letrika Iskra Tech: AAN5841 — current build
• Letrika Iskra Tech: AAN8158 — earlier build

MAHLE PART NUMBERS:
• Mahle: MG 273 / MG273
• Mahle: 72735272

SPECIFICATIONS:
• 24 Volt / 28V Rated / 100 Amp / Clockwise (CW) Rotation
• Internal Regulator, Internal Fan, Open Frame, Dust Cover
• Pulley: 8-Groove V-Ribbed Solid (S8) / 63mm OD
• Pulley face to mounting lug: 45.6mm
• Mounting: 2 bores / 13.2mm / 101.0mm spacing / 99.0mm point diameter
• Terminal: W tachometer • Weight: 8.58 kg / 18.9 lb
• Condition: New Aftermarket

JOHN DEERE POWERTECH MARINE APPLICATIONS:
• John Deere 6090AFM75 PowerTech Marine 9.0L Tier 2
• John Deere 6090SFM85 PowerTech Marine 9.0L Tier 2
• John Deere 6125AFM75 PowerTech Marine 12.5L
• John Deere 6135AFM85 PowerTech Marine 13.5L
• John Deere 6135SFM85 PowerTech Marine 13.5L Tier 3
• John Deere 6135HFM85 PowerTech Marine 13.5L Tier 3 auxiliary

WHAT THIS UNIT IS:
• Output: 24 Volt 28V rated 100 Amp clockwise
• Pulley: 8-groove V-ribbed solid 63mm
• Case number: RE551447 RE540805 IA1443 or MG 273
• Engines: John Deere PowerTech Marine 9.0L 12.5L and 13.5L
• Frame: open frame with an internal fan and enclosed brushes

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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Description

ALTERNATOR 24V 100 Amp CW S8 — JOHN DEERE POWERTECH MARINE:

TWO CHECKS BEFORE YOU BUY:
• System: 24 Volt rated at 28V charging
• Output: 100 Amp clockwise
• Pulley: eight groove V-ribbed solid 63mm outer diameter
• Case number: RE551447 RE540805 IA 1443 MG 273 or 11.204.425

JOHN DEERE POWERTECH 9.0L MARINE:
• John Deere 6090AFM75 PowerTech Marine 9.0L Tier 2
• John Deere 6090SFM85 PowerTech Marine 9.0L Tier 2
• 6090 series marine propulsion 9.0 litre six cylinder

JOHN DEERE POWERTECH 12.5L MARINE:
• John Deere 6125AFM75 PowerTech Marine 12.5L
• 6125 series marine propulsion 12.5 litre six cylinder

JOHN DEERE POWERTECH 13.5L MARINE:
• John Deere 6135AFM85 PowerTech Marine 13.5L
• John Deere 6135SFM85 PowerTech Marine 13.5L Tier 3
• John Deere 6135HFM85 PowerTech Marine 13.5L Tier 3
• 6135HFM85 is the variable speed auxiliary and generator drive engine
• 6135 series marine propulsion 13.5 litre six cylinder

OEM PART NUMBERS:
• John Deere: RE551447 — current John Deere number
• John Deere: RE540805 — earlier John Deere number
• Letrika Iskra: 11.204.425 / 11204425 — current build
• Letrika Iskra: 11.204.246 / 11204246 — earlier build
• Letrika Iskra Sales: IA 1443 / IA1443
• Letrika Iskra Tech: AAN5841 — current / AAN8158 — earlier
• Mahle: MG 273 / MG273 • Mahle: 72735272

PART NUMBER CHAIN:
• John Deere RE540805 is superseded by RE551447
• Letrika 11.204.246 with Tech AAN8158 — earlier build
• Letrika 11.204.425 with Tech AAN5841 — current build
• Both builds sit under one Sales number IA 1443
• Both builds sit under one Mahle number MG 273
• Iskra became Letrika and Letrika was acquired by MAHLE
• Three brand names on one alternator is normal here

MEASUREMENTS:
• Pulley: 8-Groove V-Ribbed Solid (S8) / 63mm outer diameter
• Pulley face to mounting lug: 45.6mm
• Mounting bores: 2 off / 13.2mm diameter
• Mounting bore spacing: 101.0mm centre to centre
• Mounting point diameter: 99.0mm
• Weight: 8.58 kg / 18.9 lb

DUTY AND INSTALLATION:
• Marine propulsion engines — same alternator
• Marine generator drive and auxiliary engines — same alternator
• Tier 2 and Tier 3 emissions engines — same alternator
• 24 Volt system with two 12 Volt batteries in series
• Charging voltage rated at 28V

HOW TO VERIFY FIT:
• Match RE551447 RE540805 IA 1443 or MG 273 on your original
• Count eight grooves on the pulley
• Measure 63mm across the pulley
• Confirm 13.2mm mounting bores at 101.0mm spacing

JOHN DEERE DESCRIPTION:
• Internal Fan Open Frame Alternator 28 Volts 100 Amp
• Enclosed brush design
• Dust cover fitted
• W terminal for a tachometer feed

WHAT THIS UNIT IS:
• Output: 24 Volt 28V rated 100 Amp clockwise
• Pulley: 8-groove V-ribbed solid 63mm
• Regulator: Internal • Fan: Internal • Frame: Open
• Case number: RE551447 RE540805 IA 1443 or MG 273
• Engines: John Deere PowerTech Marine 9.0L 12.5L and 13.5L
• Duty: marine propulsion and marine generator drive

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  • 12.0 lbs.
  • W9.0000” x H9.0000” x L9.0000”
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