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Alternator Compatible With 2001-14 Caterpillar 325D 0R4841

12774A1
CATERPILLAR OEM PART NUMBERS — 0R AND 10R SERIES:
• Caterpillar: 0R4841 / 0R-4841 / 0R4843 / 0R-4843
• Caterpillar: 10R-9789 / 10R9789
• Caterpillar: 10R-9790 / 10R9790

CATERPILLAR OEM PART NUMBERS — NUMERIC SERIES:
• Caterpillar: 169-3345 / 1693345 / 177-9953 / 1779953
• Caterpillar: 185-5294 / 1855294 / 190-6564 / 1906564
• Caterpillar: 197-8820 / 1978820
• Caterpillar: 209-8384 / 210-1675 / 217-6635 / 237-9470 / 240-8521
• Caterpillar: 248-6952 / 250-4044 / 253-6265 / 256-4715 / 257-9466
• Caterpillar: 260-9802 / 2609802 / 262-5046 / 280-2703 / 345-7649
• Caterpillar: 439-8544 / 5612986 / 566-9549 / 5669549

DENSO PART NUMBERS:
• Denso: 101211-8130 / 1012118130 / 101211-8140 / 1012118140
• Denso: 101211-8270 / 101211-8271 / 101211-8272
• Denso: 101211-8300 / 101211-8310 / 101211-8311
• Denso: 101211-8340 / 1012118340 / 101211-8341 / 1012118341
• Denso: 021080-0730 / 0210800730
• Denso: 211-8004 / 211-8006

KOMATSU PART NUMBERS:
• Komatsu: 600-821-8260 / 6008218260

SPECIFICATIONS:
• Type: Alternator
• Unit Type: Denso D150 Series
• Construction: Brushless
• Voltage: 24 Volts
• Amperage: 95 Amps
• Output at Idle: 20 Amps
• Rotation: CW (Clockwise)
• Regulator Location: Internal
• Fan Location: External
• Mount Type: J180
• Mount Hole 1: 1/2-13 Threaded
• Mount Holes 2 and 3: 13mm Unthreaded
• B+ Terminal: 5/16-18 Stud
• Second Terminal: R Relay Pin
• Pulley: Not Supplied
• Polarity: Negative Ground
• Condition: New

APPLICATIONS:
• Caterpillar 320C / 320D / 322C / 324D / 325C / 325D / 329D Excavator
• Caterpillar 330C / 330D / 336D / 340D / 345B / 365C / 374D / 385C / 390D Excavator
• Caterpillar M325C / M325D / M330D Material Handler
• Caterpillar 120H / 12H / 140H / 14H / 160H / 120K / 140K / 160M Motor Grader
• Caterpillar 924G / 928G / 938G / 950G / 962G / 980G / 992G / 994 Wheel Loader
• Caterpillar D5N / D6N / D6R / D6T / D7R / D8R / D9R / D11R Track Type Tractor
• Caterpillar 735 / 740 / 773E / 777D / 785C / 793C Off-Highway Truck
• Caterpillar 511 / 521 / 541 / 552 / 2290 / 2590 / TK711 / TK732 Feller Buncher
• Caterpillar R1300G / R1600H / R2900G / AD30 / AD45B / AD55 Underground
• Caterpillar C10 / C13 / C15 / C27 / 3306 / 3406E / 3412E / 3508B Industrial Engine
• Komatsu PC650 Excavator • Prentice 1190T Feller Buncher

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

DENSO D150 BRUSHLESS 24 VOLT 95 AMP ALTERNATOR — CATERPILLAR HEAVY EQUIPMENT APPLICATIONS:

HYDRAULIC EXCAVATORS — 3066 3126B C6.4 AND C7 DIESEL:
• Caterpillar 320C / 320C L / 320C FM / 320C LRR 6.4L 3066 Excavator (2001-2008)
• Caterpillar 320D / 320D L / 320D FM / 320D RR / 320D Log Loader 6.4L C6.4 Excavator (1996-2013)
• Caterpillar 322C / 322C L / 322C FM / 322C LGP 7.2L 3126B Excavator (2001-2007)
• Caterpillar 324D / 324D L / 324D LN / 324D FM / 324D FM LGP 7.2L C7 Excavator (2005-2014)
• Caterpillar 325C / 325C L / 325C FM 7.2L 3126 and 3126B Excavator (2000-2008)
• Caterpillar 325D / 325D L / 325D MH / 325D FM LL 7.2L C7 Excavator (2002-2012)
• Caterpillar 326D / 326D L / 328D / 328D LCR 7.2L C7 Excavator (2006-2015)
• Caterpillar 329D / 329D L / 329D LN / 330 GC 7.2L C7 Excavator (2006-2023)

LARGE EXCAVATORS SHOVELS AND MATERIAL HANDLERS — C9 C15 C18 3176C 3196 3456:
• Caterpillar 330C / 330C L / 330C LN / 330C MH 8.8L C9 Excavator (2001-2006)
• Caterpillar 330D / 330D L / 330D LN / 330D MH 8.8L C9 Excavator (2006-2018)
• Caterpillar 336D / 336D L / 336D LN / 336D2 / 336D2 L 8.8L C9 Excavator (2008-2014)
• Caterpillar 340D L / 340D2 L 8.8L C9 Excavator (2011-2023)
• Caterpillar 345B / 345B L / 345B II / 345B LC / 345B MH 10.3L 3176C Excavator (1998-2007)
• Caterpillar 365B / 365B L / 365B II / 365B MH 12.0L 3196 Excavator (1999-2007)
• Caterpillar 365C / 365C L / 365C MH / 365C FS 15.2L C15 Excavator (2004-2010)
• Caterpillar 374D / 374D L 15.2L C15 Excavator (2009-2014)
• Caterpillar 385B / 385B L 15.8L 3456 Excavator (2000-2007)
• Caterpillar 385C / 385C L / 385C FS / 385C LMH 18.1L C18 Excavator (2003-2013)
• Caterpillar 390D / 390D L 18.1L C18 Excavator (2011-2014)
• Caterpillar 5090B 15.8L 3456 Front Shovel (2000-2004)
• Caterpillar 5110B / 5110B ME 27.0L 3412E Mining Shovel (2001-2004)
• Caterpillar 5130 / 5130B 34.5L 3508B Mining Shovel (1993-2000)
• Caterpillar 5230 / 5230B 69.0L 3516B Mining Shovel (1995-2001)
• Caterpillar M325C / M325C MH / M325D / M325D L / M325D MH 7.2L Material Handler (2002-2016)
• Caterpillar M330D 8.8L C9 Material Handler (2008-2014)
• Caterpillar W345B II 10.3L 3176C Material Handler (1998-2007)

MOTOR GRADERS — 3116 3306 3406C 3412E AND C7 DIESEL:
• Caterpillar 120H / 120H NA 6.6L 3116 Motor Grader (1996-2007)
• Caterpillar 120K / 120K II / 12K 7.2L C7 Motor Grader (2007-2024)
• Caterpillar 12H / 12H ES / 12H NA 10.5L 3306 Motor Grader (1996-2007)
• Caterpillar 135H / 135H NA 6.6L 3116 Motor Grader (1996-2008)
• Caterpillar 140H / 140H ES / 140H NA 10.5L 3306 Motor Grader (1996-2007)
• Caterpillar 140K / 140K II / 140M / 140M AWD 7.2L C7 Motor Grader (2007-2023)
• Caterpillar 143H / 14H 10.5L 3306 Motor Grader (1996-2007)
• Caterpillar 160H / 163H / 163H NA 10.5L 3306 Motor Grader (1996-2007)
• Caterpillar 160K / 160M / 160M AWD / 12M 7.2L C7 Motor Grader (2007-2022)
• Caterpillar 16H / 16H NA 14.6L 3406C Motor Grader (1996-2007)
• Caterpillar 24H 27.0L 3412E Motor Grader (1996-2007)

WHEEL LOADERS TRACK LOADERS AND INTEGRATED TOOLCARRIERS:
• Caterpillar 910G 6.4L 3064 Wheel Loader (2001-2004)
• Caterpillar 924G / 924GZ / 924H / 924HZ 6.0L 3056 and 6.6L C6.6 Wheel Loader (2000-2015)
• Caterpillar 928G / 928GZ / 928H / 928HZ 6.0L 3056 and 6.6L C6.6 Wheel Loader (1996-2013)
• Caterpillar 930G / 930H 6.0L 3056 and 6.6L C6.6 Wheel Loader (2005-2014)
• Caterpillar 938G / 938G II 7.2L 3126B Wheel Loader (1996-2008)
• Caterpillar 950G / 950G II / 950H 7.2L 3126 and C7 Wheel Loader (1998-2013)
• Caterpillar 962G / 962G II / 962H 7.2L 3126B and C7 Wheel Loader (1998-2013)
• Caterpillar 966F / 966F II / 966G II 7.2L 3126 Wheel Loader (1996-2006)
• Caterpillar 972G II 12.0L 3196 Wheel Loader (2002-2006)
• Caterpillar 980G / 980G II / 980H 14.6L C15 Wheel Loader (1998-2014)
• Caterpillar 986H 14.6L C15 Wheel Loader (2013-2019)
• Caterpillar 988G / 988H / 990 / 990 II 27.0L 3412 Wheel Loader (1996-2007)
• Caterpillar 992G 34.5L 3508B Wheel Loader (1998-2007)
• Caterpillar 994 / 994D / 994F / 994H 69.0L 3516B Wheel Loader (1992-2021)
• Caterpillar 953C / 953C LGP / 953C WH 6.6L 3116 Track Loader (1996-2008)
• Caterpillar 963C / 963C LGP / 963C WH / 973C / 973D 10.5L 3306 Track Loader (1999-2009)
• Caterpillar IT28G / IT38G II / IT62G / IT62G II / IT62H Toolcarrier (1995-2008)

TRACK TYPE TRACTORS — 3126B C9 3176C 3406E 3408 3412E 3508B:
• Caterpillar D5N / D5N LGP / D5N XL 7.2L 3126B Track Type Tractor (2003-2007)
• Caterpillar D6N / D6N DS / D6N LGP / D6N XL 7.2L 3126B Track Type Tractor (2001-2020)
• Caterpillar D6G XL II / D6G2 XL 10.5L 3306 Track Type Tractor (1996-2007)
• Caterpillar D6R / D6R II / D6R III / D6T with LGP XL XW and VP builds 8.8L C9 (1995-2020)
• Caterpillar D7H / D7R / D7R II with LGP and XR builds 10.3L 3176C (1995-2010)
• Caterpillar D8L / D8R / D8R II / D8T 14.6L 3406E Track Type Tractor (1992-2014)
• Caterpillar D9N / D9R / D9T 18.0L 3408 Track Type Tractor (1995-2005)
• Caterpillar D10N / D10R / D10T 27.0L 3412E Track Type Tractor (1996-2006)
• Caterpillar D11N / D11R / D11R CD 34.5L 3508B Track Type Tractor (1996-2008)

OFF-HIGHWAY TRUCKS ARTICULATED TRUCKS WHEEL DOZERS AND COMPACTORS:
• Caterpillar 735 / 740 14.6L 3406E and C15 Articulated Truck (2001-2015)
• Caterpillar 770 / 772 D-343 and D-346 Off-Highway Truck (1978)
• Caterpillar 771D / 773D / 773E / 775D / 775E 27.0L 3412E Off-Highway Truck (1995-2024)
• Caterpillar 776C / 776D / 777 / 777B / 777C / 777D 34.5L 3508B Off-Highway Truck (1984-2009)
• Caterpillar 784B / 784C / 785 / 785B / 785C / 785D 51.8L 3512B Off-Highway Truck (1992-2017)
• Caterpillar 789B / 789C / 793B / 793C / 793D 69.0L 3516B Off-Highway Truck (1992-2014)
• Caterpillar 797 / 797B 117.1L 3524B Off-Highway Truck (1999-2003)
• Caterpillar D250E II / D300E II 10.5L 3306 Articulated Truck (1996-2002)
• Caterpillar 824C / 824H / 825C / 825H / 826C / 826H 14.6L C15 Soil Compactor (1996-2016)
• Caterpillar 834G / 834H / 844 / 854G 27.0L 3412E Wheel Dozer (1996-2008)
• Caterpillar 69D 18.0L Off-Highway Truck (1997-1998)

FELLER BUNCHERS SKIDDERS AND FORESTRY MACHINES:
• Caterpillar 511 / 521 / 521B / 521T / 522 / 522B 8.8L C9 Feller Buncher (2004-2016)
• Caterpillar 532 / 541 / 541 II / 551 / 552 / 552 II 8.8L C9 Feller Buncher (2004-2013)
• Caterpillar 2290 / 2390 / 2391 / 2491 / 2590 8.8L C9 Track Feller Buncher (2004-2014)
• Caterpillar 1090 / 1090T / 1190T / 1290T / 1390 / 1490 8.3L Cummins QSC Feller Buncher (2003-2010)
• Caterpillar TK370 / TK371 / TK380 / TK381 / TK711 / TK721 / TK722 Feller Buncher (2001-2013)
• Caterpillar TK732 / TK741 / TK751 / TK752 / TK1051 8.8L Feller Buncher (2001-2013)
• Caterpillar 517 / 517GR / 527 / 527GR / 527CA 7.0L 3304 Track Skidder (1997-2012)
• Caterpillar 525B / 525C / 535B / 535C / 545 / 545C 7.2L 3126 Wheel Skidder (1997-2011)
• Caterpillar 533 / 543 7.2L 3126 Feller Buncher (1999-2003)
• Prentice 1190T 8.3L Cummins QSC Feller Buncher (2003-2010)
• Timberjack TK732 8.8L Track Feller Buncher (2001-2012)
• Timberking TK711 / TK721 / TK722 / TK732 Feller Buncher

PAVING COLD PLANERS PIPELAYERS AND UNDERGROUND MINING:
• Caterpillar AP655C / AP755 / BG2255C 6.0L 3056 and C7 Asphalt Paver (2000-2007)
• Caterpillar PM-200 / PM-201 18.1L C18 Cold Planer (2008-2011)
• Caterpillar PM-465 / PM-565 14.6L 3406 and 18.0L 3408 Cold Planer (1992-2003)
• Caterpillar RM350B / RM500 14.6L C15 Reclaimer Mixer (2000-2017)
• Caterpillar 561N 7.2L 3126B Pipelayer (2003-2008)
• Caterpillar 572R / 572R II 10.3L 3176C Pipelayer (1993-2012)
• Caterpillar 583T / 587R / 587T / PL83 / PL87 Pipelayer
• Caterpillar R1300 / R1300G / R1600G / R1600H / R1700G Underground Loader (2002-2017)
• Caterpillar R2900 / R2900G / R3000H 14.6L C15 Underground Loader (2002-2022)
• Caterpillar AD22 / AD30 / AD45B / AD55 18.1L C18 Underground Truck (2004-2017)
• Caterpillar MD5125 / MD6290 Drill • Caterpillar Deuce Track Machine

INDUSTRIAL AND POWER GENERATION ENGINES:
• Caterpillar C10 / C11 / C13 / C15 / C16 / C27 Industrial Engine
• Caterpillar 3116 / 3126B / 3126E / 3176C / 3306 Industrial Engine
• Caterpillar 3406C / 3406E / 3408A / 3408C / 3408E Industrial Engine
• Caterpillar 3412C / 3412E / 3456 Industrial Engine
• Caterpillar 3508B / 3512B / 3512C / 3512C HD / 3516B / 3516C HD Industrial Engine
• Caterpillar CX31 / CX31DB / CX35 / CX48 Transmission Package
• Komatsu PC650 Hydraulic Excavator

CHECKS BEFORE YOU BUY:
• Output: 24 Volt 95 Amp — read the rating plate on your original
• Family: Denso D150 Brushless — 20 Amp output at engine idle
• Mount: J180 three ear pad — 1/2-13 threaded and two 13mm unthreaded
• Terminals: B+ 5/16-18 stud with a pin type R relay terminal
• Pulley: supplied without a pulley — transfer the one on your original
• Rotation: CW clockwise viewed from the drive end

HOW TO VERIFY FIT:
• Match one Caterpillar number: 0R4841 / 197-8820 / 10R-9789 / 10R-9790 / 169-3345
• Match one Denso number: 101211-8340 / 101211-8341 / 101211-8300 / 101211-8310
• Komatsu machines: match 600-821-8260
• Confirm the engine: 3066 3116 3126 3306 3406 3412 C6.4 C7 C9 C15 C18 C27
• Confirm the charging system is 24 Volt

CROSS REFERENCE:
• Caterpillar: 0R4841 / 0R-4841 / 0R4843 / 10R-9789 / 10R9789 / 10R-9790 / 10R9790
• Caterpillar: 169-3345 / 1693345 / 177-9953 / 1779953 / 185-5294 / 1855294
• Caterpillar: 190-6564 / 197-8820 / 1978820 / 209-8384 / 210-1675 / 217-6635
• Caterpillar: 237-9470 / 240-8521 / 248-6952 / 250-4044 / 253-6265 / 256-4715
• Caterpillar: 257-9466 / 260-9802 / 2609802 / 262-5046 / 280-2703 / 345-7649
• Caterpillar: 439-8544 / 5612986 / 566-9549 / 5669549
• Denso: 101211-8130 / 1012118130 / 101211-8140 / 1012118140 / 101211-8270
• Denso: 101211-8271 / 101211-8272 / 101211-8300 / 101211-8310 / 101211-8311
• Denso: 101211-8340 / 1012118340 / 101211-8341 / 1012118341
• Denso: 021080-0730 / 0210800730 / 211-8004 / 2118004 / 211-8006 / 2118006
• Komatsu: 600-821-8260 / 6008218260

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  • 16.0 lbs.
  • W12.0000” x H12.0000” x L17.0000”
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