Uncompromised Power Transfer: Friction Discs 3S7981
Engineered for severe-service environments, our OEM-equivalent friction discs (Part #3S7981) deliver consistent torque transmission in planetary gears, wet brakes, and PTO systems. Precision-bonded composites withstand 250°C+ temperatures and high-pressure engagement cycles.

Certified Cross-Platform Fitment:

• Equipment Coverage:
  Hydraulic Excavators | Crawler Loaders | Road Rollers | Industrial Forklifts | Agricultural Tractors | Bulldozers

• Verified Brand Compatibility:
  Komatsu • Caterpillar • Shantui • John Deere • ZF • Volvo • Case • JCB • Kawasaki • YTO

Critical Performance Features:
✅ Dynamic Friction Stability

• Maintains μ=0.12±0.03 across 50-300°C range

• Anti-shudder grooves reduce vibration

✅ Extended Service Life

• Reinforced fiber core resists delamination

• Exceeds 500K engagement cycles (ISO 8121)

✅ Precision Manufacturing

• ±0.03mm thickness consistency

• Laser-etched traceability codes

Core Applications:

• Excavator travel motor assemblies

• Tractor power-shift transmissions

• Loader torque converter packs

• Forklift steering clutches

• Roller hydraulic brake systems

Why Global Fleets Choose 3S7981 Discs:
→ CE-compliant manufacturing
→ 30-day performance guarantee
→ Custom packaging solutions

Instant Technical Support via WhatsApp:
8615866053319
Confirm fitment for your equipment:

• Komatsu D65EX-18 steering clutch discs

• CAT 966K transmission plates

• John Deere 6120M PTO clutch pack

• ZF 6WG-310 friction sets

• Shantui SD22 final drive discs