Products › Knife Kit 40' with Rollers - Double Drive Image 1 of 1 Knife Kit 40' with Rollers - Double Drive $5,701.00 Part #JD2029Compatible with: John Deere 640FD Add To Cart Added! Part #JD2029Compatible with: John Deere 640FD You Might Also Like AGCO Skid Shoe Kit 9250 (CHD01101-FHD01100) 25' x14 $1,206.00 AGCO Skid Shoe Kit 9250 (CHD01101-FHD01100) 40' x14 $1,819.00 New Holland 73C74C 25ft Kit with Rollers Single Drive $3,596.00 Skid Shoe Kit 35' x 3/8" $1,237.00 New Holland 973 30ft Replacement Knife Double Drive No Knifehead $822.50