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ALTERNATOR 3789640 - Caterpillar


3789640 ALTERNATOR Caterpillar parts C6.6, CS-56B, CS-74B, CW-34
Rating:
27
Alternative (cross code) number:
CA3789640
378-9640
3789640
Caterpillar 3789640 ALTERNATOR
Weight: 17 pounds 7 kg.

Buy ALTERNATOR 3789640 Caterpillar genuine, new aftermarket tractor parts with delivery
INDUSTRIAL ENGINE, VIBRATORY COMPACTOR,

Related part:
3789640  ALTERNATOR GP -B  20R4763  R

You can buy:

Alternator (C6.6-666)
$517,30

03 Jun 2025
Massy Machinery Ltd

Compare Prices: .

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$488.35

21 Jul 2025

US: Yushu Technolog
CNKDHFYM 24V 100A Alternator Fits Perkins Industrial Engines Pns 100-Amperage Internal-Fan 11204258 11204255 2205660 3789640 11204337 11204244 AAN5595 AAN5124 AAN5806 686696455692 AAN5546
CNKDHFYM Part Number:11204258,11204255,2205660,3789640,11204337,11204244,AAN5595,AAN5124,AAN5806,686696455692,AAN5546 || Amperage:100 || Fan:Internal || Item Description:Alternator || Feature: Replaces Part Numbers&Specifications || Built Standard: Built with high standard and care to meet industry standards for quality control, ensuring reliable and consistent performance || Material: the item is crafted using materials, carefully selected for their superior strength and durability, ensuring super-quality and performance
$221.37

21 Jul 2025
17.45[7.85] Pounds
US: Quality Solutio
New Professional Grade 24V Alternator Compatible with Perkins Engines Replaces 2871A902 2871A903 3789640 2205660 22056600 IA1133 11.204.255 AAN8167 11.204.337 AAN5806 11.204.258 AAN8170 11.204.244
Generic Internal Regulator Internal Fan 24 Volt 100 Amp CW || AAN8156 11.203.702 AAN5597 11.203.694 AAN5595 11.203.502 AAN5546 11.203.102 AAN5124 || Meets or Exceeds OEM Specifications || One Year Warranty || 100% Computer Load Tested for Reliability
$391.76

21 Jul 2025
0.1102[0.05] Pounds
CN: jieshen hu mall
Aftermarket ATG11622 Alternator Compatible For PERKINS 2871A902 2871A903 3789640 11.203.102 11.203.502 11.203.694 11.203.702 MG142
TBEFQVAW Efficient and stable output: Stable output current ensures efficient operation of the vehicle's electrical system || Quick response: Equipped with a high-speed rectifier, stable output can be achieved immediately upon startup || Wide adaptability: Accurately matching multiple vehicle and engine models, strictly following original factory standards || Intelligent protection: Built in overload and overvoltage protection devices, automatically adjust output to prevent circuit failures || Aftermarket ATG11622 Alternator Compatible For PERKINS 2871A902 2871A903 3789640 11.203.102 11.203.502 11.203.694 11.203.702 MG142
Number on catalog scheme: 1
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Compatible equipment models: 3789640:

INDUSTRIAL ENGINE  C6.6  
PNEUMATIC COMPACTOR  CW-34  
VIBRATORY COMPACTOR  CS-56B   CS-74B   Caterpillar

Information:

Assembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-0510     Driver Group     1    
B     1P-0808     Multipurpose Grease     -    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01029786
Install bearing (4) in pulley (5) .
Install lip seal (3) with Tooling (A), as shown. Apply Tooling (B) to the lip of the seal.
Install spacer (2) so the end with the taper is toward the inside of pulley (5) .
Install spacer (6) and bearing (9) in the front of pulley (5) .
Position O-ring seal (7) on the front of pulley (5). Install the pulley on shaft assembly (1) .
Install retainer (10) and bolts (11). Tighten bolts (11) to a torque of 25 6 N m (18 4 lb ft).
Install the fan adapter on pulley (5). Tighten bolts (8) to a torque of 47 9 N m (35 7 lb ft).
Fill the fan drive with Tooling (B) .End By: Install the fan drive. Refer to Disassembly and Assembly, "Fan Drive - Install".

Caterpillar parts catalog:

Caterpillar parts catalog
C6.6 Industrial Engine 66600001-UP
CS56B,CP56B,CS68B,CP68B Vibratory Soil Compactor M4M00001-UP (MACHINE) POWERED BY C6.6 Engine
CW34 Pneumatic Compactor J3H00001-UP (MACHINE)
CS68B, CP68B Compactor 43900001-UP (MACHINE) POWERED BY C6.6 Engine
CS78B Compactor 44300001-UP (MACHINE) POWERED BY C6.6 Engine
CS56B Compactor 43700001-UP (MACHINE) POWERED BY C6.6 Engine
CS74B Compactor 44100001-UP (MACHINE) POWERED BY C6.6 Engine
CW34 Pneumatic Compactor C3400001-UP (MACHINE) POWERED BY C4.4 Engine
CS74B, CP74B, and CS78B Compactor-Vibratory Soil E7E00001-UP (MACHINE) POWERED BY C6.6 Engine
CS79B Vibratory Soil Compactor C7900001-UP (MACHINE) POWERED BY C6.6 Engine


Parts alternator Caterpillar catalog:

2267683 ALTERNATOR GP-CHARGING
140H, 143H, 14H, 160H, 163H, 16H, 2384C, 2470C, 2484C, 2570C, 2670C, 2864C, 374F L, 390F L, 553C, 559C, 563C, 573C, 579C, 586C, 770G, 772G, 773F, 775F, 777C, 777D, 777F, 844H, 953D, 963D, 990H, AD55B,...
2776080 ALTERNATOR GP-CHARGING
2470C, 553C, 953D, 963D, C6.6, D6K, D6K LGP, D6K XL, D6N, PL61, R1300G II
3832557 ALTERNATOR
3054C, 3054E, 3056E, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 444E, 444F, 450E, C4.4, C6.6, CB-54B, D3K...
3832556 ALTERNATOR
414E, 416E, 422E, C4.4, C6.6
3991485 ALTERNATOR
3054C, 3054E, 420E, 914G, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4, C6.6, CP-56, CP-76, CS-54B, CS-64, CS-74, IT14G, IT14G2, M313D, M315C, M315D, M315D 2, M316D, M317D ...
2253147 ALTERNATOR GP-CHARGING
924G, 924GZ, 930G, C6.6, IT28G, M316C, M318C, M318C MH, M322C
2907110 ALTERNATOR GP-CHARGING
C6.6, CS-56B, CS-68B, CS-74B, CS-78B, CW-34
2907110 ALTERNATOR GP-CHARGING
C6.6, CS-56B, CS-68B, CS-74B, CS-78B, CW-34
2253147 ALTERNATOR GP-CHARGING
924G, 924GZ, 930G, C6.6, IT28G, M316C, M318C, M318C MH, M322C
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