Product Description
KB799223X - DRIVEMASTER FAN CLUTCH
PART NUMBER(S):
Fleet Products: KB799223X (Remanufactured) | OE: 799223, KB799223, 999223
DESCRIPTION:
Model: DM Advantage (Drivemaster On/Off Pneumatic Fan Clutch)
Vehicles: Freightliner and other heavy-duty trucks with Detroit Diesel engines
• Type: Air-operated, spring-engaged, air-disengaged fan clutch
• Torque: 271 N·m (2,400 in-lbs) – high holding force for large fans
• Friction Disc Diameter: 200.6 mm (7.9 in)
• Fan Diameter Supported: Up to 813 mm (32 in)
• Power Range: 186–447 kW (250–600 HP)
• Minimum Air Pressure: 90 psi (620.5 kPa)
• Fan Pilot: Standard 2.56", adaptable to 5" with insert (sold separately)
• Fan Bolt Circle: 3.5" typical Drivemaster pattern
• Mounting Hole Count: 4-bolt pattern
• Maintenance: Field-serviceable using Horton or Kit Masters kits
• Condition: Remanufactured – core return required
• Construction: Engineered to OE spec with improved durability and wear resistance
• Repairability: Compatible with 294346 (Minor), 294351 (Major), 295568/295575/Q299999 (Super)
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
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
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 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
- Fast, reliable shipping across North America
- Competitive pricing with core return refunds
- Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
