John Deere Original Equipment Extension Spring (24-PACK) - A42984 This includes 24 Extension Spring A42984's The part specifications for A42984: Part Number: A42984 Part Name: Extension Spring End Type(ALPHA): 03/03 Wire Diameter(IN): 0.1770 Outside Diameter(IN): 1.0970 Free Length(IN): 5.5100 Spring Rate (LBF/in or N/mm)(LBF/IN): 93.9999 Initial Tension (LBF or N)(LBF): 30.0000 Number of Coils(UNITY): 22.0000 Material(ALPHA): A15-2 Finish(ALPHA): This A42984 Extension Spring fits these models: 110 Disk 111 Disk 115 Disk 210 Disk 215 and 215 Dura-Cushion Disks 230 Power-Flex Wing-Fold Disk 2310 Mulch Finisher 2330 Mulch Finisher 235 Center-Fold Disk 235 Wing-Fold Disk 2620, 2623, 2625 Disk 2623VT Vertical Tillage 2630, 2633, 2635 Disk 2633VT Vertical Tillage 330 Power-Flex Wing-Fold Disk 331 Power-Flex Wing-Fold Disk 630 Tandem Disk 637 Disk 722 Finisher Mulch Tiller 726 Mulch Finisher 8100 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8100 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8100 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8100 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8200 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8200 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8200 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8200 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8300 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8300 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8300 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8300 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8400 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8400 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8400 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8400 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8500 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8500 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8500 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8500 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8600 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8600 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8600 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8600 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 8700 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8700 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8700 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 8800 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 513822-515999) 8800 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 516000 - 516999) 8800 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) 9600 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 9700 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 9800 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) 9900 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 619000 - 619999) This is an OEM John Deere part.
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