New CAT 1015144 (6Y9372) Disc-Friction Caterpillar Aftermarket for Caterpillar Equipment
- New Disc-Friction 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 1015144 Friction Disc
â–¶Specification for 1015144 Friction Disc
â–¶Exact Fit Guarantee for 1015144 Friction Disc
â–¶| Models | 517, 527, 561M, 561N, 572R, 572R II, 583R, 587R, 587T, D4HTSK III, D5HTSK II, D5M, D5N, D6M, D6N, D6R, D6R II, D7R, D7R II, PL87 |
|---|---|
| Dimensions | 16.14x16.14x0.39 |
-
He resolved all my doubts and gave me clear solutions.
-
Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time -
Excellent experience.
Mike has been very helpful. I am looking forward to keep doing business with them -
Very knowledgeable and quick to quote parts.
Very quick to respond to parts quotes. Knowledgeable and Polite, and very quick shipping. Definitely will purchase parts from these guys in the future. -
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.
Frequently Asked Questions
What is the 1015144 disc used for?
The 1015144 disc transfers or controls motion through friction or clamping contact within its assembly. A flat, true disc engages smoothly and resists heat and wear.
How do I install the 1015144 disc?
A reliable installation of the 1015144 starts with inspection and ends with verification. Follow this process:
- Shut down the machine and follow lockout procedures
- Remove the old disc and inspect the housing and mating faces
- Clean all contact areas and check for warping or glazing
- Install the 1015144 in the correct orientation and stack order
- Reassemble to specification and confirm smooth engagement
Which Caterpillar machines is the 1015144 compatible with?
The 1015144 disc is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.
Does the 1015144 disc meet performance standards?
Yes. The 1015144 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 1015144 be replaced?
Service life for the 1015144 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure. The 3K4196 Sc Spring Inner is often renewed during the same service, so many technicians replace both at once to reduce downtime.
What are the signs of a worn or failing 1015144 disc?
Catching a failing 1015144 early prevents wider damage. The common warning signs include:
- Slipping or inconsistent engagement
- Reduced performance under load
- Glazing, scoring, or thinning of the surface
- Unusual noise, heat, or a burning smell
Why is the 1015144 disc important, and what related part is commonly replaced with it?
Keeping the 1015144 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. For a complete repair, the 1081770 Clamp is another component from the same assembly that is commonly replaced at the same time.
This 1015144 Friction Disc is compatible with the following models:
517, 527, 561M, 561N, 572R, 572R II, 583R, 587R, 587T, D4HTSK III, D5HTSK II, D5M, D5N, D6M, D6N, D6R, D6R II, D7R, D7R II, PL87 & 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


























































