Description
KB791035X – HT/S ADVANTAGE FAN CLUTCH (FREIGHTLINER / CATERPILLAR 3176, STERLING / CATERPILLAR 3176)
PART NUMBER(S):
Fleet Products: KB791035X (Remanufactured) | OE: 791035, 91035, 991121
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner, Sterling with Caterpillar 3176 (vocational, medium- and heavy-duty applications)
• Clutch Type: On/Off Pneumatic, Air-engaged
• Belt Groove: Serpentine Belt
• Friction Plate: 9.5"
• Fan Pilot Diameter: 5.00"
• Pulley Diameter: 6.25" – V-belt: 9"
• Belt Count: 2
• Belt 1st Groove Distance: 1.09"
• Fan Blade Bolt Circle: 3.5"
• Engagement Type: Pneumatic air drive with fail-safe lockup
• Bearing Design: Advanced hub bearing, extended life air cartridge, high-temp blue HNBR seals
• Drive Type: Pneumatic / Air-driven
• Performance: High torque output, premium friction liner, state-of-the-art dust seal
Applications:
Is this HT/S Advantage fan clutch the right fit for your Caterpillar 3176-powered Freightliner or Sterling✔ Yes—purpose-built for dual belt serpentine drive systems, this unit delivers OEM torque, enhanced sealing, and safeguards for long service life in on- and off-highway vocational duty.
CROSS-REFERENCE(S):
KB791035, RF791035X, 591035, 791035, 981114, 981136, 981149, 981226, 981327, 991121, 991140, 991153, 991328, 10770777005, 10930777105, 3912-791035, 3912791035, 791035-HO, 791035HO, 791035RMAN, ABPN2091035, ABP N20 91035, FLT91035, KMN2091035, KM N20 91035, KMI91035, ZBH791035, HOR 791035, HOR791035, HOR981149, NJ791035A 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 lock nut (pulley to hub) to 150 ft-lb (203 Nm)
✔ Torque button head cap screws (friction facing) to 35–40 in-lb (4–4.5 Nm)
✔ Torque air chamber cap screws to 180 in-lb (20.3 Nm)
✔ Lubricate splines with recommended anti-seize before installation
✔ Align lockup holes before final torque to ensure proper engagement
✔ Verify 90–120 psi air supply for engagement test after install
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
