Description
Loader Friction Plates for Professional Repair Shops
Wheel loaders and track loaders take a beating on job sites, and friction plates are among the first components to show wear. The Friction plate for Caterpillar wheel loader 966D 966F 966G 970F 972G 980C 980F (Part #370-9775 6Y5911) is a quality replacement friction plate for Caterpillar 966D, 966F, 966G, 970F, 972G, 980C, 980F, ready for professional installation in your repair facility.
Common Failure Signs You Will See
Customers bring in loaders with these friction plate-related issues:
- Clutch slipping under load – power loss when pushing material
- Delayed engagement – hesitation when selecting gears
- Brake chatter or grabbing during deceleration
- Burning odor from the clutch housing area
- Increased operating temperature in transmission area
Part Identification
| Part Number | 370-9775 6Y5911 |
| Description | Friction plate for Caterpillar wheel loader 966D 966F 966G 970F 972G 980C 980F |
| Application | For Caterpillar 966D, 966F, 966G, 970F, 972G, 980C, 980F |
| Location | Steering clutch, transmission clutch, or brake assembly |
| Material | Copper-based powder metallurgy friction material |
| Warranty | 6 months |
| Origin | Made in China |
Repair Procedure Checklist
Standard friction plate replacement procedure in a workshop setting:
| Step | Action | Critical Point |
|---|---|---|
| 1 | Position machine safely, relieve hydraulic pressure | Safety first – use proper blocking |
| 2 | Drain transmission/clutch oil | Inspect oil for metal particles |
| 3 | Remove clutch housing cover | Document plate sequence for reassembly |
| 4 | Remove complete plate stack | Count friction and steel plates |
| 5 | Inspect all components | Replace steel plates if scored or warped |
| 6 | Clean housing and piston | Check piston seal condition |
| 7 | Reassemble with new plates | Follow correct alternating sequence |
| 8 | Torque housing bolts to spec | Use torque wrench, follow pattern |
| 9 | Refill with clean hydraulic oil | Bleed air from the system |
| 10 | Test operation before returning | Check for leaks and proper engagement |
For additional technical background on loader components, see our final drive inspection guide and center joint analysis. Our parts selection guide helps with cross-referencing. Order part 370-9775 6Y5911 at Negotiable with 1 piece minimum. Check more loader parts or read supplier evaluation tips.
