Description
KB791012X – HT/S ADVANTAGE FAN CLUTCH (CATERPILLAR 3306)
PART NUMBER(S):
Fleet Products: KB791012X (Remanufactured) | Replaces OE: Horton: 791012, 981216, 991147, 981140, 991176, 981172, 991202, 991050, 991020, 981036, 981004 | Peterbilt: 05-11369-027, 05-11369-039 | Oshkosh: 3037149 | Volvo: 3967208, 8122376 | Western Star: 20822-3495 | Facet: 20084A | BorgWarner: 1093-08070-02, 1077-08069-02 | Alliance: ABPN2091012 | Fleetrite: FLT91012
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner, Kenworth, Peterbilt, Volvo, Western Star, Sterling, Marmon (Caterpillar 3306, 1989–1997)
• Clutch Type: Pneumatic On/Off
• Friction Plate: 9.5"
• Belt Configuration: 5V (5 groove)
• Belt Groove Location: 1.93"
• Belt Groove Type: V
• Belt Count: 5
• Front Pulley Diameter: 7.16"
• Overall Length: 6.86"
• Bolt Circle: 6"
• Fan Pilot Diameter: 5.00"
• Fan Blade Stud Length: 6x, 3/8-16 Thread, 1.62'' Long
• Vertical Mounting Distance: 7"
• Horizontal Mounting Distance: 4"
• Drive Type: Pneumatic
• Bearing Design: Durable dual bearing hub assembly with advanced sealing
Applications:
Is this fan clutch compatible with your Caterpillar-powered heavy-duty vehicle? Yes—engineered for models like Freightliner, Kenworth, Peterbilt 375/377/379, Volvo, Western Star, Sterling, and Marmon equipped with the Caterpillar 3306 engine from 1989–1997, this HT/S Advantage reman delivers reliable on/off cooling.
CROSS-REFERENCE(S):
591012, 511369027, 511369039, KMN2091012, KMI91012, KM91012, 3443-91012, HOR791012, HOR981216, 91012
A 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:
✔ Verify belt groove alignment (1.93") before installation to prevent premature wear.
✔ Maintain a minimum 90 psi air supply for consistent clutch engagement.
✔ Inspect fan blades for cracks or damage before installation to ensure proper balance.
✔ Replace hub bearings when installing a new or remanufactured fan clutch for extended service life.
HTS 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.
Warranty Information
