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 Auger Liner 22-1/2' $1,106.00 Guard $18.50 Skid Shoe Kit 30' x 3/8" $1,138.00 Auger Liner Kit 18' - 20' $918.00 Skid Shoe Set 16' x 1/4" $633.50