AGE GROUP: Must be at least 4 years old and no older than 10 years old or at discretion of race director.
MAX ENGINE: 6.75hp Vertical shaft of push mower origin. (No horizontal shaft engines)
DRIVE TRAIN: Must use F/R gear boxes or 90 degree boxes, multiple speed transmissions not allowed. Centrifugal clutches recommended.
WHEELBASE AND MAXIMUM WIDTH: Recommended width is 34″. Wheelbase is 37-38″.
STEERING: Any improvement in steering is recommended, if stock steering is used it will be subject to tech inspectors discretion
FRAME: Must use the small 37″-38″ wheelbase early MTD / Huffy style frames. Fabricated frames are allowed using these dimensions: A rectangle measuring 42″x13″ outside, using 1″x2″ rectangular tubing. The front axle is place at one end, (MTD uses a piece of 3/8″x2″ flat iron for a front axle) the centerline of the king pin to king pin measurement is 16″-17 3/4″. From the front axle center, measure back 37″-38″ for rear axle centerline. Customized or scaled down bodies allowed, they must resemble a lawn tractor.
BRAKES: Must be intact and working, any improvement in brakes is recommended.
WHEELS/HUBS: Must use 6″ max diameter wheels, steel or aluminium. Turf tires recommended, slicks allowed.
BUMPER/SIDE BARS: Rear bumpers are mandatory, must be in 1″ from each side of the tire width and installed at the standard 7″ height. Secondary loops are recommended. Front bumpers are optional, if installed see general rules.
A speed limit will be enforced.