About the 600-HLD-7500 imprint

600-HLD-7500 is the part number of the common casting used to make the following finished products.

• Seeding knife holder 600-KNH-7510
• NH3 cold flow knife holder 600-KNH-7520
• NH3 hot gas knife holder 600-KNH-7530
• NH3 cold flow and granular fertilizer knife holder 600-KNH-7550
• Seeding Double shoot liquid knives 600-KNH-7561 and 600-KNH-7562