5606109 Alternator for CAT Equipment

5606109 | CAT Alternator
$249.13

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
5606109
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Description for 5606109 Alternator

This aftermarket Caterpillar 5606109 Alternator is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Alternator.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 5606109 Alternator

Replacement Part Number(s): 560-6109
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 15.50 LBS | 7.03 KG
Dimensions: 9.06 x 9.06 x 9.06 (inches)
Condition: New

Exact Fit Guarantee for 5606109 Alternator

Looking for a reliable replacement Caterpillar 5606109 Alternator ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Dimensions 9.06x9.06x9.06
Customer Reviews
  1. 100%
    Australian buyer, sales where professional and very responsive with secure parts identification.
    Highly recommend.
    Bedrock Exploration Pty Lt, Australia

    Customer Follow-Up After Delivery:

    Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
    I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
    With thanks again.
    Regards, Gerard
  2. 100%
    Original Review (Spanish)
    Si necesitas piezas de repuesto a buen precio para tu m?quina grande y quieres un servicio al cliente atento, esta tienda es una muy buena opci?n.

    English Translation
    If you need affordable replacement parts for your heavy equipment and want attentive customer service, this store is a very good option.
  3. 100%
    Grateful I found this company!
    I’m grateful I found this company! They answer the phone every time plus the parts are packaged very well!! Even the angriest mailman couldn’t damage your parts! lol The parts showed up as planned and for being aftermarket the quality seems to be good!! The warranty is the same as CAT. Thank you Daniel!!!
  4. 100%
    :) great service
  5. 100%
    Great pricing and fast shipping!
    I'll admit that I was skeptical of propel parts, but they are an honest site and came through with the order. I was skeptical because I've never ordered heavy machinery parts, and didn't know who to trust. The parts that I ordered showed in stock, but after checking with their vendor, they only had half of the order in stock. I was notified the day after the order, and most of the parts arrived in a few days. There was one part that was not shipped putz but I was able to talk with who I assumed is the owner who rectified the situation and had the part overnighted to me.

    I will say that communication speed could use a little work, but they will eventually get back with you.
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Frequently Asked Questions

Product

What is the function of the 5606109 alternator?

The 5606109 alternator generates electrical power to charge the battery and supply electrical energy to systems like lights, sensors, controls, and starters while the engine is running. It ensures a reliable power supply for your machine’s electrical components and stable performance during operation.

How do I install the 5606109 alternator?

Here’s a general guide for proper installation:

  1. Turn off the engine and disconnect the battery to prevent electrical shock or shorts.
  2. Remove belts, guards, or panels that block access to the old alternator.
  3. Disconnect electrical connectors and mounting bolts from the old unit.
  4. Remove the old alternator and clean the mounting area.
  5. Install the new 5606109 alternator, secure it with bolts to the torque specs in your service manual, and reconnect all electrical connectors.
  6. Reinstall belts and protective guards, reconnect the battery, then start the engine to verify proper charging output.

Which machines or systems use the 5606109 alternator?

The 5606109 alternator is a direct-fit replacement designed for a variety of Caterpillar machines that use this part number in their charging systems. It is often used on Caterpillar excavators and other heavy equipment powered by compatible engine types that require this alternator size and output. Verify fitment using your machine’s service documentation before ordering. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.

Does the 5606109 alternator meet performance expectations?

Yes, this alternator is built to meet or exceed OEM specifications for fit, performance, and durability. After stringent quality checks, it is engineered to match the electrical output and reliability of the original part, helping ensure dependable charging under demanding conditions.

How often should an alternator like the 5606109 be inspected or replaced?

Alternators should be inspected during routine electrical maintenance or if electrical issues appear. Regular checks include looking for worn belts, loose connections, damaged wiring, or signs of overheating. If the alternator fails to charge properly, make unusual noises, or the battery continually drains, it may be time to replace it.

What are common signs that the 5606109 alternator needs replacement?

Typical indicators include:

  1. Battery warning light or fault codes on startup
  2. Dim, flickering, or fluctuating lights
  3. Dead or repeatedly discharged battery
  4. Squealing, grinding, or unusual noise from the alternator area

Why is using a quality alternator important for equipment performance?

A quality alternator ensures a stable supply of electrical power, supporting consistent battery charge, reliable engine starting, and proper operation of electronic systems. Using a part that meets or exceeds OEM expectations helps reduce the risk of electrical failures, improve reliability, and contribute to long-term durability of your equipment’s electrical system.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.