MACK 6-Plate Copper-Based Ceramic Steel Clutch Driven Disc

Designed for MACK Granite dump trucks, mixer trucks and heavy-duty mining vehicles, this clutch disc is engineered for construction-site heavy loads and frequent half-clutch engagement conditions. The 6-plate performance heavy-duty clutch steel disc with damping springs shown in the figure features five core selling points covering friction material, damping structure, durability, operating costs and fitment advantages:

I. Friction Lining Material (Copper-Based Ceramic Wear-Resistant Lining)

High-Copper Ceramic Facing Adopts a composite formula of copper wire and ceramic, with heat resistance exceeding 380°C. It prevents lining burnout during frequent takeoffs and half-clutch operation on muck trucks and mixers. Compared with ordinary asbestos and semi-metallic linings, its high-temperature fade resistance is improved by 60%, eliminating slippage under heavy-load uphill takeoffs.

Stable Friction Coefficient The friction coefficient barely fluctuates across high and low temperature conditions. Torque transmission does not drop during fully loaded hill climbing and repeated clutch operation on congested construction sites, preventing power slippage and speed loss.

Non-Abrasive to Pressure Plate & Flywheel The moderately hard copper-based material delivers a smooth friction surface. Long-term use will not scratch the working surfaces of flywheels and pressure plates, drastically cutting costs for flywheel resurfacing and replacement.

Extra-Thick Wear-Resistant Lining Each friction layer features an increased thickness design. Under identical working conditions, its service life is 2 to 3 times that of standard resin linings, lowering replacement frequency.

II. Structural Advantages of 6-Prong Steel Disc Body

Integrated High-Carbon Steel 6-Prong Core Stamped high-strength spring steel disc resists torsion and impact. It resists deformation and cracking under bumpy mining road conditions and heavy load shocks, avoiding single-piece fracture and edge warping failures.

Hollow Lightweight Design Six-segment hollow construction reduces rotational inertia for smoother clutch disengagement during gear shifts and less wear on transmission synchronizers. The lightweight build slightly lowers overall vehicle weight to boost cargo capacity.

Rivet Reinforcement to Prevent Detachment Solid copper rivets secure friction linings on both sides with multi-point locking. Linings and fragments will not fall off under prolonged violent vibration and high temperatures, eliminating roadside breakdowns caused by sudden clutch failure.

III. Multi-Stage Damping Spring Buffer System

Dual-Stiffness Inner & Outer Spring Assemblies Sets of thick and thin springs filter engine idle vibration and construction road impacts. They deliver soft buffering during takeoff to reduce shock damage to drive shafts, differentials and transmission gears.

Heavy-Duty Fatigue-Resistant Springs Quenched 65Mn damping springs maintain consistent rebound after repeated compression. They resist breakage and chassis resonant noise under long-term full-load operation.

Vibration & Noise Reduction Effectively suppresses shudder during low-speed takeoff and gear shifts, minimizing cab vibration to ease driver fatigue and prevent premature damage to driveline components.

IV. Core Advantages of Splined Hub Power Transmission

High-Precision Involute Internal Splines Matches the input shaft of original MACK transmissions with minimal meshing clearance for backlash-free power transfer. Gear shifts are smooth without clattering noises and spline tooth wear is avoided.

Extra-Thick Forged Hub Base Hot-forged integrated hub withstands extreme torque without spline slipping or tooth breakage, compatible with high-power MACK MP7/MP13 heavy-duty engines.

Built-In Wear-Resistant Bushing Self-lubricating wear-resistant lining inside splines eliminates frequent grease top-ups and prevents scoring of the input shaft under sustained heavy loads.

V. Exclusive Advantages for Heavy-Duty Applications (Solutions to Pain Points of Muck, Mixer & Mining Fleets)

Extreme Torque Capacity The 6-plate layout delivers a large total friction area to bear peak torque from high-power MACK engines, eliminating slippage and clutch burnout when hauling sand, cement tanks and oversized heavy cargo.

High-Temperature Burn Resistance Resists carbonization and groove formation on friction linings during prolonged half-clutch engagement and hill stop-start cycles at construction sites. Unlike single-plate clutch discs, it avoids roadside breakdowns due to high-temperature failure.

Lower Total Lifecycle Costs The triple durable structure (wear-resistant linings, high-strength steel prongs and damping springs) extends maintenance intervals. It reduces wear on flywheels, pressure plates and transmission parts, slashing fleet repair expenses.

Compatibility with Harsh Environments The entire steel disc undergoes electrophoretic anti-rust coating to resist corrosion from construction mud, brine and dust, preventing rust seizure of springs and rivets.

Translation Notes

Industry Terminology Standardization: Adopts mainstream heavy-duty auto aftermarket English terms (driven disc, pressure plate, flywheel, synchronizer, involute spline, electrophoretic coating etc.) consistent with North American commercial vehicle parts manuals.

Technical Parameter Accuracy: "65Mn", "380℃", "MP7/MP13" and model designations retain original technical coding without modification.

Scene Adaptation: Terms like muck truck, mixer truck, mining vehicle match North American construction fleet naming conventions.

Logical Layout: Preserves the original five-chapter marketing structure while adjusting sentence phrasing to conform to English industrial product copywriting habits.