Product Description
KB791004X - HT/S ADVANTAGE FAN CLUTCH (KENWORTH / CUMMINS NTC BIG CAM III / IV)
PART NUMBER(S):
Fleet Products: KB791004X (Remanufactured) | OE: 791004, 991004, 793004
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Kenworth T400, T600 (Model Years 1985–1993)
• Engine: Cummins NTC Big Cam III, NTC Big Cam IV
• Friction Plate: 9.5"
• Back Pulley Diameter: 6.38"
• Overall Length: 7.90"
• Belt Configuration: 2V
• Belt Groove Location: 3.36"
• Belt 1st Groove Distance (IN): 3.36"
• Bolt Circle: 3.50"
• Fan Pilot Diameter: 2.00"
• Fan Blade Stud Length: 6x, 3/8-16 Thread, 1.62'' Long
• Vertical Mounting Distance: 11.05"
Applications:
Originally used on Kenworth T400 and T600 models from 1985–1993, this remanufactured HT/S Advantage fan clutch is engineered for use with Cummins NTC Big Cam III and IV engines. Ideal for high-demand linehaul trucks and vocational fleet operations needing consistent cooling performance in intense duty cycles.
CROSS-REFERENCE(S):
20054A, 591004, 591005, 700711AT, 791004, 791005, 793004, 839874, 859822, 91004, 981265, 981288, 981359, 991004, 991009, 991255, 991277, 991369, ABP N20 91004, ABPN2091004, FLT91004, KM N20 91004, KMI91004, KMN2091004, 3443-91004
A 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 mounting and fan dimensions before installation
✔ Ensure belt configuration and pulley alignment match OEM setup
✔ Confirm fan blade stud length and bolt circle prior to fitment
✔ Review all technical specs for exact compatibility with Kenworth T400 and T600 models
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.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com
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