Description
KB791013X - HT/S ADVANTAGE FAN CLUTCH (FREIGHTLINER / CATERPILLAR 3406)
PART NUMBER(S):
Fleet Products: KB791013X (Remanufactured) | OE: 791013, 591013, KMN2091013, KM N20 91013, ABPN2091013, ABP N20 91013, FLT91013, KMI91013, 3443-91013
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner (1989–1994) with Caterpillar 3406
• Clutch Type: Pneumatic On/Off
• Friction Plate: 9.5"
• Belt Configuration: 4V (4 groove)
• Belt Groove Location: 2.31"
• Belt Groove Type: V
• Belt Count: 4
• Front Pulley Diameter: 9.5"
• Back Pulley Diameter: 6.25"
• Overall Length: 6.65"
• Bolt Circle: 6"
• Fan Pilot Diameter: 5.00"
• Fan Blade Stud Length: 0.00 (.312-18)
• Vertical Mounting Distance: 10"
• Horizontal Mounting Distance: 4.88"
• 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 Freightliner models from 1989–1994, this HT/S Advantage reman delivers consistent on/off cooling with drop-in OEM fitment for the Caterpillar 3406 engine.
CROSS-REFERENCE(S):
591012, 511369039, 05-11369-039, 981216, 511369027, 05-11369-027, 991147, 981140, 991176, 981172, 991202, 991050, 791012, 991020, 981036, 981004, KMN2091012, KM N20 91012, ABPN2091012, ABP N20 91012, FLT91012, KMI91012, 3443-91012, 1608044C91, 3443-91013, 3912-791013, 3912791013, 3947390, 591013, 791013, 791013-HO, 791013HO, 91013, ABP N20 91013, F2HS 8A616 AA, F2HS8A616AA, HOR 791013, HOR791013, KM N20 91013, KMI91013, RF591013X, RF791013X, ZBH791013A 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 both front and back pulley diameters match your existing unit before installation.
✔ Confirm belt configuration and groove measurements to ensure proper alignment and performance.
✔ Maintain recommended minimum air supply of 90 PSI to avoid premature wear.
✔ Replace hub bearings during clutch service to maximize longevity.
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
