New 3112540 Disc-Brake Replacement suitable for Caterpillar Equipment
- New Disc-Brake Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 3112540 Disc-Brake
â–¶Specification for 3112540 Disc-Brake
â–¶Exact Fit Guarantee for 3112540 Disc-Brake
â–¶| Models | 446B, 446D |
|---|---|
| Dimensions | 10.04x10.04x0.39 |
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Very prompt services !
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Great customer service!
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helpful and professional.
quick and professional service. -
Great service!
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Excelente atencion y refacciones de calidad
Frequently Asked Questions
What is the 3112540 disc used for?
The 3112540 is a friction or drive disc that needs an even surface to engage reliably and handle the heat generated in service.
How do I install the 3112540 disc?
Fitting the 3112540 correctly comes down to clean surfaces and following the manual sequence. Work through these steps:
- 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 3112540 in the correct orientation and stack order
- Reassemble to specification and confirm smooth engagement
Which Caterpillar machines is the 3112540 compatible with?
Compatibility for the 3112540 disc varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Please reach out to Propel Parts for help verifying fitment.
Does the 3112540 disc meet performance standards?
Yes. The 3112540 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.
How often should the 3112540 be replaced?
The 3112540 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear.
What are the signs of a worn or failing 3112540 disc?
When the 3112540 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- 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 3112540 important, and what related parts work with it?
Replacing the 3112540 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 3056843 Spring Guide and 8N7294 Retainer.
This 3112540 Disc-Brake is compatible with the following models:
446B, 446D & 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.
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