John Deere Model 31 Tiller. Missing gear chain cover. The item “John Deere Model 31 Tiller” is in sale since Sunday, December 22, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts”. The seller is “koasinger-123″ and is located in Cle Elum, Washington. This item can’t be shipped, the buyer must pick up the item.