SPIDER

This tractor spider gear replacement part is engineered for dependable performance in tractor planetary and differential systems. Designed as a direct replacement for OEM part numbers 81873051 and 8396458, this spider gear meets OEM specifications for fit, strength, and reliability.

Constructed from premium hardened steel, this heavy-duty tractor spider gear is built to withstand high torque, continuous operation, and harsh agricultural working conditions. Precision machining ensures accurate dimensions (27 x 70 mm, 50 mm) for proper alignment, smooth rotation, and reduced wear on surrounding components.

Ideal for tractor repair, maintenance, or restoration projects, this spider gear delivers OEM-level durability and performance. Choose this tractor spider gear replacement part to keep your farm equipment operating smoothly and reliably under tough working conditions.