Description
KB790007X – S ADVANTAGE FAN CLUTCH (CATERPILLAR 3406)
PART NUMBER(S):
Fleet Products: KB790007X (Remanufactured) | OE: 790007, 79A0007, 99A0007
DESCRIPTION:
Model: S Advantage
Vehicles: Caterpillar 3406, 3406B, 3406 ATAAC – KENWORTH, OSHKOSH, PETERBILT, VOLVO GM, WESTERN STAR 1970-1997
• Clutch Style: Slip Type, Air Engaged
• Friction Plate Diameter: 7.50″ (190.5 mm)
• Fan Pilot Diameter: 2.00″ (50.8 mm)
• Belt Groove Configuration: 4V, Belt 1st Groove Distance 2.31"
• Back Pulley Diameter: 7.50″ (190.5 mm)
• Bolt Circle Diameter: 3.50″ (88.9 mm)
• Overall Length: Approx. 7.19 in, 6x, 3/8-16 Thread, 2.62'' Long studs
• Engagement Type: Pneumatic air-engaged, S-type on/off mechanism
• Application Style: Single pulley, remanufactured to OEM specifications
Applications: Used in cooling systems of Caterpillar 3406 engines across Kenworth, Peterbilt, Volvo, and Western Star trucks. Ideal for fleets requiring dependable reman fan clutches that maintain OEM standards and support consistent engine cooling.
CROSS-REFERENCE(S):
790007, 79A0007, 90007, 980007, 98A0007, 990007, 99A0007, FC790007, 3912-99A0007, 3912-99A0007-2, 79A0007-2, 79A0007RMAN, 98A0007-2, 99A0007-2, ABP N20 14256, ABP N20 24256, ABP N20 99007, ABP N20 990072, FLT14256, FLT24256, FLT99007, FLT990072, HOR 79A0007, HOR 79A0007-2, HOR 99A0007, HOR 99A0007-2, HOR79A0007, HOR79A0007-2, HOR99A0007, HOR99A0007-2, ZBH99A0007, ZBH99A0007-2, 980081, 899865, 869874, 990062, 990143, 990070, 511369016, 05-11369-016, 869865, 590007, 511369015, 05-11369-015, KMN2090007, KM N20 90007, ABPN2090007, ABP N20 90007, FLT90007, RX790007RMANRF, RX790007RMAN, KMI90007, 3443-90007, 0511369015, 0511369016, 1000-790007, 1000790007, 790007RMAN, 790007X, 790007-HO, 790007C1, 790007HO, HI590007, HI790007, HOR790007, HR590007, HR790007C1, K790007, NJ790007, RC790007, RF590007X, RF790007X, ZBH790007, 101778, 102069, 104164, 104905, 1611462C91, 20052A, 20822-0136, 20822-0176, 20822-3441, 208220136, 208220176, 208223441, 22731, 23754, 23755, 24209, 24643, 24774, 24904, 3912790007, 3946766, 50006, FC212071A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Always inspect pulley, bracket, and fan blades for wear or damage before installing the replacement clutch
✔ Confirm air system pressure is within OEM specification to ensure proper engagement
✔ Torque all mounting hardware to Horton-recommended values
✔ Replace worn O-rings and gaskets during installation to avoid air leaks
✔ Ensure correct belt alignment and tension to prevent premature failure
S Advantage Repair Kits:
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
