Description
KB799074X – HORTON DRIVEMASTER FAN CLUTCH (CATERPILLAR 3406)
PART NUMBER(S):
Fleet Products: KB799074X (Remanufactured) | OE: Horton 79A9074, 989074, 99A9074
DESCRIPTION:
Model: Horton DMA SE 21 On/Off (Remanufactured)
Vehicles: Freightliner FLH, FLX (2000–2005) with Caterpillar 3406 engines
• Back Pulley Diameter: 7.50″ (191.2 mm) / Front Pulley Diameter: 9.00″ (229.6 mm)
• Belt Configuration: 8PK / 6PK Grooved
• Belt Count: 2
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.50″
• Fan Blade Studs: 6x, 3/8-24 Thread, 0.81″ Long
• Overall Length: 9.03″
• Drive Type: Air-engaged ON/OFF (DMA SE 21)
• Bearing: Double row angular contact
Applications: Is this fan clutch compatible with your Caterpillar 3406-powered Freightliner FLH or FLX from 2000–2005✔ Yes—engineered for DMA SE 21 specifications, this Horton Drivemaster provides reliable cooling control with direct OEM fitment.
CROSS-REFERENCE(S):
20R-8386, 799074, 79A5074, 79A9074RMAN, 989074, 99074, 999074, 99A9074, HOR 79A9074, HOR79A9074, K799074, R799074, ZBH79A9074, 98A9074, KMN2099074, KM N20 99074, ABPN2099074, ABP N20 99074, FLT99074, KMI99074, 3443-99074, 010019008, 19097S, 3443-99074, 3912-999074, 3912999074, 999074-HO, 999074HO, HOR 989074, HOR 999074, HOR989074, HOR999074, KM N20 99074, ZBH999074, 1093-09068-03, 1077-09067-03A 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 belt groove configuration (8PK/6PK) matches your application before installation.
✔ Ensure fan pilot diameter and bolt circle match existing fan hub.
✔ For conversion to 2-speed, install fan spacer to prevent interference.
✔ Torque fan mounting hardware to OEM specifications to prevent imbalance or premature wear.
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
