One New Aftermarket Replacement Idler Pulley for John Deere (John Deere) Combines and Cotton Pickers
This steel flat idler pulley serves the feed accelerator and secondary jackshaft drive system on John Deere STS, WTS, CTS, and S-Series combines as well as John Deere cotton pickers. It maintains proper belt tension in the feeder house sheave assembly, ensuring reliable power transfer through the feed accelerator and secondary jackshaft circuits. Replaces OEM part numbers AH204389 and AH166439.
Specifications
- Type: Flat Idler Pulley
- Material: Steel
- Effective Diameter: 203.2 mm (8.0 in)
- Width: 67.5 mm
- Groove Width: 63.5 mm
- Bore Size: 16.41 mm
- Weight: 4.89 lb
Compatible Models
John Deere Combines – 9 Series STS/WTS/CTS: 9470 STS, 9540 WTS, 9540i WTS, 9550, 9550 SH, 9560, 9560 SH, 9560 STS, 9560 WTS, 9560i WTS, 9570 STS, 9580 WTS, 9580i WTS, 9640 WTS, 9640i WTS, 9650, 9650 CTS, 9650 STS, 9660, 9660 CTS, 9660 STS, 9660 WTS, 9660i WTS, 9670 STS, 9680 WTS, 9680i WTS, 9750 STS, 9760 STS, 9770 STS, 9780 CTS, 9780i CTS, 9860 STS, 9870 STS, C670, CTS
John Deere Combines – S Series: S540, S550 (SN 745100-764999), S560, S650 (ASN 785001), S660 (ASN 745100), S670 (ASN 745100), S670 HILLMASTER (BSN 765000), S680 (ASN 745100), S680 HILLMASTER (BSN 765000), S690 (ASN 745100), S690 HILLMASTER (SN 745101-765000), S760, S770, S780, S785, S790
John Deere Combines – W/T Series: W540, W550, W650, W660, T550, T560, T660, T670
John Deere Cotton Pickers: 7260, 7660, 7760, CP690
Replaces Part Number(s):
AH204389, AH166439
Aftermarket Interchange Numbers
AMAH204389 (Abilene Machine)
New aftermarket replacement part – not remanufactured, not used.
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