Description
KB799223X - DRIVEMASTER FAN CLUTCH
PART NUMBER(S):
Fleet Products: KB799223X (Remanufactured) | OE: 799223, KB799223, 999223, 1077-09289-01, 10032429, 1077-09289-01, 20R-8393 Caterpillar
DESCRIPTION:
Model: DM Advantage (Drivemaster On/Off Pneumatic Fan Clutch)
Vehicles: Freightliner Century, Columbia, C120, CT120, ST120 (2002–2005) with Detroit Diesel Series 60 engines
• Fan Pilot Diameter: 2.56″
• Pulley Diameter: 7.54″
• Belt Count: 1
• Belt Groove Count: 10
• Belt Groove Type: PK
• Belt Type: 10PK
• Fan Blade Bolt Circle: 3.50″
• Fan Drive Bolt Pattern: 2.56″ Pilot, 3.50″ BC, 6x, 3/8-24 Thread, 0.81″ Long
• Stud Thread Size: 3/8-24 UNF
• Overall Length: 10.55″
• Pulley Distance: 4.17″
• Engagement Type: Spring-engaged, air-disengaged
• Drive Type: Direct, mechanical
• Torque Capacity: 5,000 in-lbs+
Applications:
Designed for Detroit Diesel-powered Freightliner trucks and other Class 8 vehicles requiring heavy-duty cooling control. This Horton Drivemaster-style on/off fan clutch enables efficient engine cooling while reducing fuel use during disengaged cycles.
CROSS-REFERENCE(S):
KB799223, 999223, 79A9223, 799223, 989223, 79a9223, 98a9223, 99a9223, KMN2099223, ABPN2099223, FLT99223, RX79A9223RMANRF, KMI99223, 3443-99223, 98A9223-2, 989989, 999989, 79A9223-2, 99A9223-2, KMN20992232, KM N20 992232, ABPN20992232, ABP N20 992232, FLT992232, KMI992232, 3443-992232, 799238, 79A9238, 989238, 98A9238, 99238, 999238, 99A9238, FC799238
A cross-reference listing means this part may be a compatible replacement for the part numbers listed based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Requires minimum 90 psi air pressure for consistent disengagement
✔ Verify fan bolt circle and pilot bore before install
✔ Install per OEM torque specs and Horton service procedures
✔ Core must be returned to receive reman credit
✔ Friction disc wear limit: Replace when liner thickness is below 5.76 mm
Drivemaster On/Off 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
