2022 T.I.A. ADULT LIMITED WELD STOCK MOWERS
Sign in ends 1 hour before derby starts
Derby entry fee $35.00
Safety Rules
1-Drivers must wear a t-shirt or sleeveless shirt and long pants when in the derby
2-Helmets must be worn at all times unless derby is over or your off the track
3-Drivers ages14-17 must have parents permission and parent/guardianmust be present when driver is registering
Mower Rules
1-Must be front engine riding mower completely belt driven
2-NO drive shafts driven mowers or chain driven mowers
3-Mower decks must be removed before you get to the derby
4-Must have lawn mower engine no bigger than a 25 hp you are allowed a 10 inch by 10 inch by 1/8 inch motor plate that can be bolted down with 4 3/8 bolts. ENGINE PLATE CAN NOT BE WELDED TO THE FRAME IN ANYWAY! IF SO YOU WILL CUT OR LOAD UP.
5-You can change the engine and rear end pulleys for more speed 3/4 or 1 inch 820s are allowed. no true 5 lugs or jd240 style rearends. if its c clipped 5 lugs hub thats fine.
6-Rims can't be any larger than 12" inch rims
7-Tire chains will not be allowed
8-Foam filled and liquid filled and tire tubes are allowed
9-Exhaust must point up or down no bigger than 3 inchs. Must be clear of carburator to avoid fires.
10-Hoods must be stock lawn mower hood If your mower has a plastic hood you can change it with another metal lawn mower hood. you can fill in grill area with same thickness of metal must have head light holes you Can't use street signs at all.
11-Hoods can only be attached by self tapping screws or 10 3/8 bolts or you can have two pieces of 3/4 all thread in front coming up through Hood. you can also weld two washer to the frame for all thread to go through but must be small gap between them and the exhaust plate and all thread is only allowed 4 nuts per piece. Allthread may be sleeved with round or square tubing but must be a firm snug fit meaning ID of sleeving no bigger than 1inch an no thicker than 1/8inch this is to help save you from replacing allthread after each derby.
12-You can weld fender to frame you can seam weld dash and hood but make sure to clean up ur welds
13-You can fill in the front exhaust box hole on a Craftsman frame with a piece of 1/8 inch flat steel no more than half inch overlap only you can only welded on two sides you can also extend the stub nose mowers with two pieces of 2 by 2 1/8 inch angle can overlap on frame 3 in to weld cannot extend any farther than 7 and 1/2 inches out then you can put the exhaust plate on there no wider than 10 in wide and no longer than 5 and 1/2 any more questions on this rule contact me. John Deer 240/craftsman gt or anything frame bigger than 10X5 1/2 can have a 2 inch wide by 1/ 8 inch thick ran down side of the frame on top for the the exhaust hole can only weld on one side and lap around the end one in with Weld
14-You can weld front axle solid so it don't move
15-You can have a spark plug or motor protector as long as it bolts to the engine an engine plate only. can not touch the frame or cage header protector allowed but must be mounted to protector only an not touching hood frame or allthread.
16-Leg guards are Mandatory if u don't have leg guards u can't run no belly bars cage material can be no bigger than 2X3X 1/4 inch tubing
17- you can build a 4-point cage that ties into frame in four spots only and can only be below the frame 6 inches
18-Back bar can only be as wide as the the fenders and can't be tilted back no farther than 5 in past straight up and down
19-Pre ran mowers can put 3x3 plate only on the bends no doubling plates on top each other no more than 6 patch plates
20-You can reinforce the steering with other lawn mower parts or heim joints but no over kill
21-Gas tank and battery must be secured down and place we're they can't be hit Can run any kind of battery just as long as it's secured down. Must have fuel shut off switch in easily reached area incase of fuel leak. Fuel line must be ran around engine not over the top of shroud.
22-no bumper on front of mower or the back of the mowers
23-NO reinforcing frame other than what being allowed
24-Mower well be inspected before the derby hood can be bolted or screwed down or welded but must be able to see in side hood to inspect
25-Must make contact with 90 seconds or you well be out
26-Officials on track has last say we'll not tolerate fighting
27-No drugs or alcohol allowed remember this is a family friendly 28-If it's not in the rules don't assume you can do it call and ask first