Description
KB791057X - HT/S ADVANTAGE FAN CLUTCH (FORD / STERLING / CATERPILLAR C10/C12/3176)
PART NUMBER(S):
Fleet Products: KB791057X (Remanufactured) | OE: 791057, 981189, 991192, F6HT 8A627 SB
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Ford / Caterpillar C10, C12, 3176; Sterling / Caterpillar C10, C12, 3176
• Belt Groove: 14K, 3V serpentine belt groove
• Front Pulley Diameter: 5.82"
• Back Pulley Diameter: 7.79"
• Fan Pilot Diameter: 2.56"
• Friction Plate: 9.5"
• Bolt Circle: 6-bolt standard HT/S series
• Clutch Type: On/Off Pneumatic, Air-engaged
• Bearing Design: Advanced hub bearing with long-life air cartridge & HNBR seals
• Spline Type: Fine spline, high-temperature bearing
• Drive Type: Pneumatic / Air driven
Applications:
Is this fan clutch compatible with your Caterpillar-powered heavy-duty truck✔ Yes—engineered for Ford and Sterling models with C10, C12, and 3176 engines, this HT/S Advantage unit delivers high torque capacity, extended service life, and OEM drop-in fitment for demanding vocational and highway applications.
CROSS-REFERENCE(S):
3443-91057, 791057, 91057, 981189, 991192, ABP N20 91057, ABPN2091057, FLT91057, KM N20 91057, KMI91057, KMN2091057, HOR791057, F6HT8A627SB, F6HT-8A627-SB, F6HT 8A627 SB, KB791057, RF791057X, KM91057, 991316, 991201, 791060, 981199, KMN2091060, KM N20 91060, ABPN2091060, ABP N20 91060, FLT91060, KMI91060, 3443-91060A 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 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
✔ Align lockup holes before torquing
✔ Verify air inlet pressure between 90–120 psi during engagement check
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
