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New CAT 6Y7934 (6T8687) Disc Friction Caterpillar Aftermarket for Caterpillar Equipment
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Description for 6Y7934 Disc Friction
â–¶Specification for 6Y7934 Disc Friction
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Customer Reviews
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.
Quick and efficient.
Great products and a great team to deal with. We had a small issue with a missing part and the Customer Services Team dealt with it quickly and efficiently and in a way which left me, the customer, feeling entirely satisfied. Would highly recommend.
La mejor experiencia y calidad
Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.
They are great !
Will definitely use regularly!
Shipped the exact product we were looking for. Prompt Customer Service. Seamless cross-border shipping
A Delay Handled the Right Way
Honestly, if I were in Miami like my shipment was, I wouldn?t have been in a hurry to ship out either. I was frustrated at first ? delays cost me time on the job ? but Propel Parts stepped up.
Deb, Daniel and the team owned the mistake, kept the communication clear, and graciously refunded my shipping costs without making it a hassle. That kind of accountability is rare these days, and I genuinely appreciated how they handled it.
Things don?t always go perfectly, but these folks proved they?re more interested in doing right by their customers than just pushing parts out the door. Solid company, solid people.
? Jimmy Spong
Hartco Mobile Welding
P.S. Incredible quality on the pin as well. I had to do some custom modifying, and let?s just say the case hardening was ? well ? hard. Great Stuff! Thank you.
Propel parts is a good Cat vendor that provides a top notch service to customers from ordering to delivery. Their after sales service is really impressive.
Cat blade pins.
Easy transaction good web site.
Great service affordable parts
Product Questions
Frequently Asked Questions
What is the 6Y7934 disc used for?
The 6Y7934 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 6Y7934 disc?
To install the 6Y7934 properly, prepare the area first and confirm the result afterward. Use 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 6Y7934 in the correct orientation and stack order
- Reassemble to specification and confirm smooth engagement
Which Caterpillar machines is the 6Y7934 compatible with?
Compatibility for the 6Y7934 disc varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. If you are unsure don't hesitate to reach out to Propel Parts for help verifying fitment.
Does the 6Y7934 disc meet performance standards?
Yes. The 6Y7934 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 6Y7934 be replaced?
The 6Y7934 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 6Y7934 disc?
A worn 6Y7934 usually gives early warning through the assembly it supports. Watch for these signs:
- 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 6Y7934 important, and what related parts work with it?
A sound 6Y7934 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. Related hardware on our site includes 4B8313 Spring and 6Y1202 C18 C27 C32 Retainer.
Compatible Models
This 6Y7934 Disc Friction is compatible with the following models:
5110B, 518, 527, 910, 916, 926, 931B, 931C, 931C II, 933, 939, D3C III, D4C, D4C III, D4H, D4HTSK II, D5C, D5C III, D5HTSK II, IT18B, IT28B & more...
Shipping | 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.
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