Description: DM Engine Cooling Fan Clutch Configured for 24-inch fan with 26-inch pilot mounting surface
Condition: New
Brand: Horton®
Part Number: 79A9586
Replacement Part Numbers: 79A9586, F17-1030-001, F17-1014M01
Fitment Guide:
| Truck |
Engine |
Approx. application |
| Kenworth T660 |
Cummins ISX / ISX15 / X15 |
2010–2024* |
| Kenworth T680 |
Cummins ISX / ISX15 / X15 |
2010–2024* |
| Kenworth T700 |
Cummins ISX / ISX15 / X15 |
2010–2024* |
| Kenworth T800 |
Cummins ISX / ISX15 / X15 |
2010–2024* |
| Kenworth T880 |
Cummins ISX / ISX15 / X15 |
2010–2024* |
| Kenworth T800B-123 |
Cummins ISX / ISX15 / X15 |
listed application |
DM generally refers to Horton's DM Advantage fan clutch family. It is commonly found on heavy-duty trucks and diesel engines.
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Prevent engine overheating by providing strong airflow when temperatures rise.
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Save fuel because the fan isn't constantly consuming engine power.
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Maintain engine power by reducing the horsepower required to drive the fan.
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Reduce noise when maximum cooling isn't needed.
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Reduce wear on the fan, belts, bearings, and related components.
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Improve cooling efficiency under heavy loads, during climbing, or in hot weather.
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Signs of Faulty:
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Engine overheating
- Temperature rises under heavy load, climbing hills, or in hot weather.
- The fan doesn't speed up when the engine gets hot.
- This is one of the most important warning signs.
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Fan stays engaged all the time
- Loud fan roaring even when the engine is cold.
- Fan runs at high speed unnecessarily.
- Can cause poor fuel economy and reduced engine performance.
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Fan won't engage
- Engine temperature gets high but the fan doesn't turn on properly.
- You may not hear the normal increase in fan noise when the clutch is commanded on.
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Fan remains at low speed
- Particularly relevant to a 2-speed DM clutch.
- Fan operates, but doesn't switch to high speed when additional cooling is required.
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Air leaking from the clutch
- You hear a hissing sound around the fan clutch.
- Air pressure may drop when the clutch is activated.
- Internal seals can also leak.
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Fan engages/disengages incorrectly
- Fan repeatedly switches on and off.
- Fan engages at the wrong temperature.
- Fan doesn't respond properly to the vehicle's cooling demand.
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Excessive vibration or wobbling
- Fan or clutch appears to wobble while running.
- Could indicate worn bearings, damaged clutch components, or another fan-drive problem.
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Poor fuel economy
- If the clutch is stuck engaged, the engine continually uses power to drive the fan.
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Manufacturer information
Horton® is a world-renowned manufacturer of high-grade engine cooling solutions for the trucking industry for over 65 years. This company believes that improved airflow translates to better performance, reduced emissions, more significant fuel savings, and happy customers. Horton offers best-in-class fans, fan drives, and clutches for on-highway big rigs like heavy-, medium-, and light-duty trucks, R.V.s, buses, refuse vehicles, commercial vehicles, and other applications. This company also takes pride in its off-highway and heavy-duty products, including sweepers, agricultural tractors, mining trucks, aerial work platforms, excavators, generators, articulated vehicles, and industrial compressors. Made to operate in harsh environments, these Horton products withstand temperature extremes, dust, dirt, chemicals, as well as stop-and-go driving. For truck parts that consume less fuel, last longer, and run quieter, trust no other brand than Horton.
Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.
