Parts list: № Number Qty Name Options 1 A51173 1 CAP Next page: 70-2 HYDRAULIC HOSES AND FITTINGS (1976-1987) FOR DUAL LIFT ASSIST WHEELS WITHOUT HYDRAULIC MAST TO CONNECT LIFT ASSIST WHEELS IN PARALLEL WITH TRACTOR ROCKSHAFT AGRICULTURAL PRODUCT [B10] 70-3 HYDRAULIC HOSES AND FITTINGS (1976-1987) FOR DUAL LIFT ASSIST WHEELS WITHOUT HYDRAULIC MAST AGRICULTURAL PRODUCT [B11] 70-4 LIFT ASSIST WHEEL HYDRAULIC SYSTEM (1987- ) [B12] 70-5 HYDRAULIC HOSES ( -1987) 39A STRAIGHT HYDRAULIC MARKER [B13] 70-6 HYDRAULIC CYLINDER (1970-1987) 25 MM (1") 39A STRAIGHT HYDRAULIC MARKER [B14] 70-17 SINGLE LEVER CONTROL FOR LIFT ASSIST WHEELS AND TRACTOR ROCK SHAFT (1987- ) [B24] 70-16 TRACTOR ROCKSHAFT PISTON COVERS (1976-1987) 4030, 4040, 4230, 4240, 4320, 4430, 4440, 4520 AND 4620 TRACTORS 4020 TRACTORS (201,000- ) TO CONNECT LIFT ASSIST WHEELS IN PARALLEL WITH TRACTOR ROCKSHAFT LIFT ASSIST WHEEL ATTACHMENT AGRICULTURAL PRODUCT 70-15 HYDRAULIC MARKER CYLINDER (1987- ) 63.5 MM X 203.2 MM (2-1/2" X 8") [B22] 70-14 HYDRAULIC MARKER CYLINDER (1987- ) 63.5 MM X 203.2 MM (2-1/2" X 8") [B21] 70-12 MARKER SEQUENCE VALVE (1987- ) [B19]