Description
KB791070X – HT/S ADVANTAGE FAN CLUTCH (CATERPILLAR 3406, C15)
PART NUMBER(S):
Fleet Products: KB791070X (Remanufactured) | OE: Horton 987078, 981365, 981366
DESCRIPTION:
Model: HT/S Advantage (High Torque Slip Type, Air Engaged, PFD: Piston Friction Disc)
Vehicles: Freightliner, Sterling (1997–2000) with Caterpillar 3406 and C15 engines
• Back Pulley Diameter: 7.50"
• Front Pulley Diameter: 9.00"
• Overall Length: 7.28"
• Belt Configuration: Serpentine (6PK, 8PK)
• Belt Groove Location: 1.94"
• Fan Pilot Diameter: 1.99"
• Vertical Mounting Distance: 4.19"
• Horizontal Mounting Distance: 5.00"
• Friction Plate: 9.5"
• Fan Centers Supported: 19", 20"
Applications:
Is this fan clutch compatible with your Caterpillar-powered Freightliner or Sterling✔ Yes—engineered for 3406 and C15 models from 1997–2000, this remanufactured HT/S Advantage delivers reliable, OE-spec cooling performance for heavy-load fleet applications.
CROSS-REFERENCE(S):
1000-791070, 1000791070, 3443-91070, 791070, 91070, 981365, 981366, 987078, 987079, 991375, 997088, ABP N20 91070, ABPN2091070, FC791070, FLT91070, HOR791070, HOR987078, K5 91070, K591070, KM N20 91070, KM91070, KMI91070, KMN2091070, RC 791070, RC791070, ZBH791070A 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 fan pilot and bolt circle dimensions match your original before installation.
✔ Confirm belt groove style, count, and location match your application.
✔ Inspect pulleys and belts for wear before reinstalling a remanufactured clutch.
✔ Follow OE torque specifications when mounting to ensure correct preload and alignment.
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
