Ford New Holland 40 Series Tractors (5640, 6640, 7740, 7840, 8240, 8340) Factory Service & Shop Manual Price listed in US Dollar: $55.00 Leave this field blank Complete workshop repair service manual with electrical wiring diagrams for Ford New Holland 40 Series (5640, 6640, 7740, Read more about Ford New Holland 40 Series Tractors (5640, 6640, 7740, 7840, 8240, 8340) Factory Service & Shop Manual