8M8550 Caterpillar Friction Disc
8M8550 appears in ALMAX's legacy Caterpillar friction-disc catalog. Detailed dimensions should be confirmed before production. For a purchase decision, confirm the part number against the machine/axle/transmission model, disc stack position, dimensions and friction material.

Specification reference
| Brand reference | Caterpillar |
|---|---|
| OEM / Part Number | 8M8550 |
Specification data is a catalog reference, not a substitute for application verification. Confirm dimensions and material before production.
Before you order
One wrong plate can stop a rebuild. Send the information you already have; we will use it to narrow the match.
- Part number and quantity
- Machine / axle / transmission model
- Photo of both disc faces
- OD, ID, thickness and tooth count
- Drawing or sample when available
What matters beyond the number
FAQ about 8M8550
Do you supply 8M8550?
ALMAX can review inquiries for 8M8550. Availability and final specification are confirmed against your application, quantity, photo, sample or drawing before order acceptance.
How do I confirm 8M8550 before ordering?
Send the equipment or axle model, quantity, and any available photo or drawing. For rebuilds, OD, ID, thickness, tooth/lug count and friction material are especially useful.
Can you manufacture from a sample or drawing?
Yes. Drawing- and sample-based production is available for friction discs and mating plates, subject to engineering review and specification confirmation.