Product Code: HRT-991451
Manufacturer Code: 991451
Engages only when neededProvides required torque for high-airflow fans without slippageCompletely disengages in "off" mode for fuel and horsepower savingsEngine Cooling Fan ClutchPneumatic, fan clutch, engine cooling, fan drive, performance, cooling system, horsepower, on-off fan clutchFREIGHTLINER, STERLINGHT650 Fan Clutch
- Heavy Duty: TRUE
Number of Slots: 6
Overall Length: 5.23
Pilot Diameter for Fan to Clutch: 5
CLUTCH TO FAN MOUNTING SURFACE: 2.01
Flange Thickness: 0.25
Hub Pilot Diameter: 2.56
Number of Studs: 6
Pilot Depth Diameter: 0.19
Slot Width: 0.41
Fan Blade Stud Length: 17.688
- Manufacturer / Manufacturer # / Horton OEM # - HORTON / 991433 / 981446
Manufacturer / Manufacturer # / Horton OEM # - MACK / 40MH410A / 981446
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