Left Curved Rotary Tiller Blade for BCS 715 (America Long Type) - Part Number: 55776

The Left Curved Rotary Tiller Blade (part number 55776, flat steel section 25 × 6 mm, mounting holes Ø 8.5 mm with 55 mm center-to-center distance, extended working dimensions X = 55 mm, Y = 185 mm, Z = 20 mm, adaptable OEM reference 580 43434) is an extended-profile drop-forged tillage part engineered for high abrasion resistance and impact durability. Formed with a left-hand helical curvature to work in complete dynamic balance alongside its matching right-hand blade, it ensures deep soil penetration, clean clod inversion, and smooth rotor operation across BCS two-wheel tractors and rotary tillers (model Two-Wheel Tractor 715 Long America Type).

Key Features & Benefits

• Extended “America” Long Profile (Y = 185 mm): The extended 185 mm vertical reach enables deeper soil tillage compared to standard blades, ensuring thorough fracturing and cultivation in hard or heavy ground conditions.
• Forged & Through-Hardened Alloy Steel: Hot-forged from 25×6 mm high-grade wear-resistant steel and heat-treated to retain edge sharpness, preventing permanent bending or brittle fractures upon stone impacts.
• Optimized Left Helical Arc (Z = 20 mm): The calibrated curvature (working reach X = 55 mm, lateral offset Z = 20 mm) promotes smooth soil slicing and clean furrow inversion while minimizing engine load and fuel consumption.
• Precision 8.5 mm Mounting Holes (55 mm Spacing): Dual 8.5 mm bolt holes designed for M8 hardware match factory BCS rotor flanges, ensuring a secure, play-free seat.

Technical Specifications

Application Table & Compatible Implements

Installation Technical Note: Assemble using grade 8.8 or 10.9 high-tensile M8 fasteners fitted with prevailing torque locknuts or locking spring washers. Ensure the rotor holder hole spacing matches 55 mm center-to-center and re-tighten hardware after the first operating hour.