Parts list: № Number Qty Name Options 1 AR59805 1 LOCK (SUB R52667) Next page: 70-18 LEVER LOCK ( -1977) FOR JOHN DEERE 4030, 4230, 4430 AND 4630 TRACTORS LIFT ASSIST WHEEL HYDRAULIC MAST ATTACHMENT [B11] 70-19 HYDRAULIC MAST ( -1977) [B12] 70-2 MAIN FRAME HYDRAULIC CYLINDER ( -1981) 3" BORE X 10" STROKE (75 MM X 255 MM) AND 3-1/2" BORE X 10" STROKE (90 MM X 255 MM) [A19] 70-20 PIVOTING CENTER MAST (1977- ) [B13] 70-21 MARKER HYDRAULIC CYLINDER SYSTEM MECHANICAL LATCH [B14] 70-17 LEVER LOCK ( -1977) FOR JOHN DEERE 2510, 3010 AND 3020 ( -122,999), 4010 AND 4020 ( -200,999) 5010 AND 5020 TRACTORS USING JOHN DEERE HYDRAULIC SYSTEM LIFT ASSIST WHEEL HYDRAULIC MAST ATTACHMENT [B10] 70-16 LEVER LOCK ( -1977) FOR JOHN DEERE 7020 TRACTORS ( -001,815) LIFT ASSIST WHEEL HYDRAULIC MAST ATTACHMENT [B09] 70-16 LEVER LOCK ( -1977) FOR JOHN DEERE 2520 (017,000- ), 3020 (123,000- ), 4000, 4020 AND 7520 TRACTORS LIFT ASSIST WHEEL HYDRAULIC MAST ATTACHMENT [B09] 70-15 SINGLE LEVER CONTROL FOR LIFT ASSIST WHEELS AND TRACTOR ROCK SHAFT [B08] 70-14 HYDRAULIC COUPLERS AND HOSES ( -1981) TO CONNECT LIFT ASSIST WHEELS IN PARALLEL WITH TRACTOR ROCKSHAFT [B07]