Description
1137 640 2005 STIHL Clutch Drum with 6-Tooth Sprocket, 3/8″ Picco
The 1137 640 2005 is a clutch drum assembly with an integrated sprocket designed for use in STIHL chainsaws that operate with a 3/8-inch Picco pitch chain. The drum includes a 6-tooth drive sprocket and is manufactured from heat-treated steel.
This part is designed to match original equipment dimensions and tolerances for compatible STIHL chainsaw models.
Specifications:
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Part Number: 1137 640 2005
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Type: Clutch drum with chain sprocket
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Pitch: 3/8 inch (Picco)
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Teeth: 6
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Material: Steel
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Function: Transfers engine rotation to the saw chain
Compatibility:
Compatible with STIHL chainsaw models that use a 3/8″ Picco chain and are designed for a 6-tooth clutch drum. This part is used as a direct replacement according to the chainsaw’s original equipment specification.
