78-1083 Belt Engine to Compressor for Thermo King MD-II SR w/TK 3.74 Engine
$65.99
Sale price
$65.99
Regular price
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SKU:
ZZ3F06001
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78-1083 Belt Engine to Compressor for Thermo King MD-II SR w/TK 3.74 Engine
$65.99
In Stock
$65.99
Sale price
$65.99
Regular price
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Compatible equipment / model
Belt Engine to Compressor for Thermo King MD-II SR w/TK 3.74 Engine
This 78-1083 belt engine to compressor is a replacement drive belt for Thermo King MD-II SR units equipped with the TK 3.74 engine, matching OEM cross-reference 781083. It transmits power between the engine and compressor for reliable operation.
Overview
This belt engine to compressor for Thermo King MD-II SR with TK 3.74 engine transfers rotational force to drive the compressor. It is a direct fit replacement that matches the factory belt specifications for this specific engine and unit combination.
Built For Performance
- Fabric-reinforced rubber withstands high belt speed
- Dimensional accuracy matches original 78-1083 routing
- Oil and ozone resistant for under-hood environments
- Low elongation keeps tension stable over time
- Rib profile prevents slipping at startup
- Compatible with TK 3.74 engine pulley geometry
Fits These Machines
- for Thermo King MD-II SR
On-The-Job Use
- Replaces a failed belt on reefer units during breakdown repair
- Serves as replacement during scheduled engine service
- Maintains compressor speed for accurate temperature control
- Fits the MD-II SR with the TK 3.74 engine package only
Specs At A Glance
| Part Number(s) | 78-1083, 781083 |
| Belt Type | Engine to Compressor |
| Compatible Engine | TK 3.74 |
Good To Know
Q: Can this belt be used on a standard MD-II without the SR package? A: This belt is specifically engineered for MD-II SR with the TK 3.74 engine, so use it only on that configuration to avoid length mismatch.
Q: What are signs the engine-to-compressor belt needs replacement? A: Cracking, glazing, or squealing when the compressor engages are common indicators. Inspect the belt regularly for wear and replace without delay.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.