John Deere Model JS35 Walk Behind Mower Parts - GreenPartStore John Deere Model JS35 Walk Behind Mower Parts - Machine Serial Number is located on left-hand side of mower deck. Engine Serial Number is located on b John Deere Operators Manual - OMGX23069 - See product detail for serial number range (0) $31. Please allow up to 2 weeks for delivery. Add to Cart. 1 2 Next Page View All.