MACK Clutch Products
MACK clutch products mainly serve its heavy-duty/medium-duty trucks and engine systems. They are corely divided into two major categories: heavy-duty truck main clutches and engine fan clutches, with a complete range of genuine and remanufactured parts. They are compatible with all MACK vehicle models and engines, featuring high durability, low pedal effort, and excellent adaptability to heavy-duty operations.
1. Core Product Classification & System
MACK clutch products are designed around two core demands: vehicle power transmission and engine temperature control, forming a complete product matrix.
| Product Category | Core Functions | Main Types | Core Components |
|---|---|---|---|
| Main Clutch System | Connects / disconnects engine and transmission | Dry single-plate / dual-plate, self-adjusting / adjustable | Pressure plate, clutch disc, release bearing, clutch kit / assembly |
| Fan Clutch | Engine temperature control, reduces parasitic loss | Viscous type (electronic / pneumatic control) | Viscous coupling, hub, pulley, control module |
| Supporting Accessories | Auxiliary transmission & system stability | Clutch brake, pilot bearing, flywheel, adjusters | Clutch brake, pilot bearing, dual-mass flywheel, release fork |
2. Heavy-Duty Truck Main Clutch (For Power Transmission)
As the core product line of MACK clutches, it is specially designed for heavy-duty applications, dominated by dry clutches. It is available in genuine assemblies/kits and core components, matching various horsepower and vehicle models.
1. Core Product Series (By Performance & Size)
Speedshift Series: Focuses on low pedal effort, optimized for long-haul transportation and frequent shifting scenarios, serving as the flagship series of MACK main clutches.
14-inch Size: Model e.g. 2104-10805059A, clamping force 3600 lbs, torque rating 1400 ft-lb, 8-spring design, 4 friction discs, suitable for medium-heavy duty conditions.
15.5-inch Size: Model e.g. 108935-61, clamping force 3600 lbs, torque rating 1750 ft-lb, 9-spring design, suitable for 500+HP ultra-heavy duty applications.
VHD Ultra-Heavy Duty Series: For extreme heavy-duty scenarios such as mining, construction, and oversize transport.Model e.g. AN-155698-6VHD/7VHD, clamping force 2250 lbs, 9-spring cover, compatible with 500+HP engines.
SB Standard Heavy-Duty Series: Model e.g. AN-155698-12SB10, clamping force 1850–2050 lbs, suitable for 450–500HP engines, balancing cost and performance.
