New 2171577 Pad As. Replacement suitable for Caterpillar Equipment
- New Pad As. Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Description for 2171577 Backhoe Loader Pad
â–¶Specification for 2171577 Backhoe Loader Pad
â–¶Exact Fit Guarantee for 2171577 Backhoe Loader Pad
â–¶| Models | 420E, 428E, 430E, 422E, 432E, 442E, 444E |
|---|---|
| Dimensions | 9.84x5.12x5.12 |
-
Very nice job
-
Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!
-
Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.
-
Cat blade pins.
Easy transaction good web site. -
I’ve been ordering parts from propel for about 3 years & counting. I live in Hawaii where we have a hard time getting parts especially for decent prices with fast shipping. I've been 100% satisfied with the company and the customer service and will continue to use them. I recommend propel to everyone here in Hawaii and we are all happy to have you guys. Thank you!!!
Frequently Asked Questions
What is the function of the Caterpillar 2171577 Pad AS?
The 2171577 Pad AS is designed to provide cushioning, support, and stability within Caterpillar equipment assemblies. It helps reduce vibration and protects surrounding components from excessive wear during operation.
Why are equipment pads important in heavy machinery?
Pads help absorb shock, reduce metal-to-metal contact, and improve overall equipment durability in demanding working environments.
What are common signs that a pad assembly should be replaced?
Common signs include cracking, excessive wear, deformation, vibration issues, or reduced equipment stability during operation.
Is the 2171577 Pad AS compatible with multiple Caterpillar machines?
- Yes, this pad assembly may fit various Caterpillar equipment models depending on the application and configuration.
- It is commonly used in different Caterpillar machine setups where pad assemblies are required for support and wear protection.
- Check your manual or reach out to Propel Parts for help verifying fitment.
Can worn pads affect equipment performance?
Yes. Damaged or worn pads may lead to increased vibration, uneven wear on nearby components, and reduced operating efficiency.
Are aftermarket replacement pads reliable?
Yes. High-quality aftermarket pad assemblies that meet or exceed OEM specifications can provide dependable durability and performance in heavy equipment applications.
Are there related Caterpillar hardware components commonly used with this pad assembly?
Yes, related fastening components such as the Caterpillar 5J4771 bolt may be used alongside pad assemblies to help ensure secure installation and stability.
This 2171577 Backhoe Loader Pad is compatible with the following models:
420E, 428E, 430E, 422E, 432E, 442E, 444E & more...

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.

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.

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.
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number? Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.We Make It Right
Wrong part? We'll make it right.Fast. At our expense.
Worldwide Shipping






