Description
KB791038X - HT/S ADVANTAGE FAN CLUTCH (NAVISTAR / CATERPILLAR 3406)
PART NUMBER(S):
Fleet Products: KB791038X (Remanufactured) | OE: 791038, 91038, 2022856C91
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Navistar / Caterpillar 3406, 3406E (International 9400, 9900 – 1994–1998)
• Clutch Type: On/Off
• Belt Count: 2
• Belt Groove Count: 6K, 10K
• Belt Groove Type: PK (6PK, 10PK)
• Belt 1st Groove Distance: 1.93"
• Pulley Diameter: 6.77", 7.7"
• Fan Pilot Diameter: 5.00"
• Fan Blade Bolt Circle: 6"
• Friction Plate: 9.5"
Applications: Is this fan clutch compatible with your Caterpillar 3406-powered International✔ Yes—engineered for models like the 9400 and 9900 from 1994–1998, this HT/S Advantage delivers reliable on/off engagement, long-life bearings, and OEM fitment for heavy-duty performance.
CROSS-REFERENCE(S):
991231, 981099, 591038, 981238, 991108, 791038, 981386, 2022856C91, KMN2091038, KM N20 91038, ABPN2091038, ABP N20 91038, FLT91038, KMI91038, 3443-91038, KB791038, RF791038X, 3406E, 1695879-C91, 3534869C91, HOR791038, HT791038, KM91038, HOR981238A 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:
✔ Torque pulley-to-hub lock nut to 150 ft-lb (203 Nm)
✔ Torque friction facing button head cap screws to 35–40 in-lb (4–4.5 Nm)
✔ Torque air chamber cap screws to 180 in-lb (20.3 Nm)
✔ Clean and lubricate splines with anti-seize before assembly
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.
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Warranty Information
