Description

Part Number: 670145
• Name: Grain Header Chain Sprocket / Reel Chain Sprocket
• Function: This sprocket is installed in the grain header chain drive system and primarily drives the reel or header feed chain. Its function is to transmit power smoothly and accurately, ensuring the reel rotates at the correct speed, thereby smoothly moving the crop toward the cutterhead and conveyor.
• Material: Typically made of high-strength steel, heat-treated to ensure tooth wear resistance and overall strength.

Main Applicable Machines
This sprocket has been widely used on various Claas grain harvester (combine) header models over the years. The following are some of the main applicable machine series:
Please note: Due to the high versatility of this part, the following list may not be comprehensive, but it is important to confirm the match for your specific harvester model before purchasing.
1. Lexion Series (Claas’s top-of-the-line series)
This is the most commonly used series for this sprocket. • Lexion 400 Series: Lexion 410, 420, 430, 440, 450, 460, 470, 480
• Lexion 500 Series: Lexion 520, 530, 540, 550, 560, 570, 580
• Lexion 600 Series: Lexion 620, 630, 640, 650, 660, 670, 680
• Lexion 700 Series: Lexion 720, 730, 740, 750, 760, 770, 780
• Lexion 800 Series: Lexion 770/780 TT, as well as the earlier 8000 Series.
2. Tucano Series (Tucano)
• Tucano Series: Grain harvesters such as the Tucano 320, 330, 340, 350, 360, 370, and 380.
3. Dominator Series (Dominator – an older, but classic series)
• Dominator Series: Later models such as the Dominator 106, 108, 110, 115, 116, 118, and 120.
4. Medion Series (Medieo)
• Medion Series: Such as the Medion 320, 330, 340, and 350.
5. Mega Series (Older Models)
• Mega Series: Such as Mega 202, 202+, 208, 212, 218, etc.