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PRO STOCK TRACTOR

CLASS INFO

Originates from 1/16 scale 2 wheel drive tractor WEIGHT CLASSES: 3lb. & 5lb. MAX.

WHEELBASE: 8"

LENGTH LIMIT (Center of rear axle forward): 10 1/2" MAX.

NUMBER ENGINES: 1 MAX.

ENGINE DISPLACEMENT (Cubic inches): .061

 THROTTLE CABLE ALLOWED

TIRE DESIGN: Black rubber only 35 durometer or higher

MAX. TIRE SIZE: 1 5/8" x 4 1/4"

MAX. HITCH HEIGHT: 1 1/4"

MIN. HITCH LENGTH (Center of rear axle to back of hitch hole): 1 1/8"

TWO WHEEL DRIVE

Replicates 2 wheel drive road vehicle

MAX. WEIGHT: 4lbs.

MAX. WHEELBASE: NO LIMIT

LENGTH LIMIT (center of rear axle to front of vehicle): 12"

MAX. NUMBER OF ENGINES: 1

MAX. ENGINE DISPLACEMENT(cubic inches): NO LIMIT

THROTTLE CABLE ALLOWED

TIRE DESIGN: OPEN

MAX. TIRE SIZE: 2 1/2" x 3 1/2"

MAX. HITCH HEIGHT: 1 1/4"

MIN. HITCH LENGTH(center of rear axle to back of hitch hole) 1 1/8"

MAX. GEAR RATIO: 300:1

SUPER STOCK TRACTOR

Originates from 1/16 scale 2 wheel drive tractor

MAX. WEIGHT: 5lbs.

MAX. WHEELBASE: 8"

LENGTH LIMIT (center of rear axle to front of vehicle): 10 1/2"

MAX. NUMBER OF ENGINES: 1

MAX. ENGINE DISPLACEMENT (cubic inches) :   .15

THROTTLE CABLE ALLOWED

TIRE DESIGN: OPEN

MAX. TIRE SIZE: 3"x5"

MAX. HITCH HEIGHT: 1 1/4" MIN.

HITCH LENGTH (center of rear axle to back of hitch hole): 1 1/8"

FOUR WHEEL DRIVE

Replicates 4 wheel drive road vehicle

MAX.WEIGHT: 6lbs.

MAX. WHEELBASE: 8 5/8"

LENGTH LIMIT (center of rear axle to front of vehicle): 13"

OVERALL LENGTH: 16"
MAX. NUMBER OF ENGINES: 1

MAX. ENGINE DISPLACEMENT (cubic inches):  .15

THROTTLE CABLE ALLOWED

TIRE DESIGN: OPEN

MAX. TIRE SIZE: 1 1/2" x 3"

MAX. HITCH HEIGHT: 1 1/4" MIN.

HITCH LENGTH (center of rear axle to back of hitch hole): 2 1/2"

FRONT TIRES MUST BE CENTERED IN WHEEL WELLS

UNLIMITED TRACTOR

MAX. WEIGHT: 6lbs.

MAX. WHEELBASE: NO LIMIT

LENGTH LIMIT: 18" MAX.

NUMBER OF ENGINES: NO LIMIT

MAX. ENGINE DISPLACEMENT: NO LIMIT

THROTTLE CABLE ALLOWED

TIRE DESIGN: OPEN

MAX. TIRE SIZE: WIDTH OPEN x 6" DIAMETER

MAX. HITCH HEIGHT: 1 1/4" MIN.

HITCH LENGTH (center of rear axle to back of hitch hole): 1 1/8"

SEMI "BIG RIG"

MAX. WEIGHT: 7lbs.

RECOGNIZABLE TRUCK BODY

LENGTH LIMIT: 18"

MAX. NUMBER OF ENGINES: ONE

MAX. ENGINE DISPLACEMENT: NO LIMIT

ENGINE MUST STAY INSIDE THE BODY, ONLY THE EXHAUST OR CYL HEAD MAY BE OUTSIDE THE BODY

THROTTLE CABLE ALLOWED

TIRE DESIGN: OPEN

MAX. TIRE SIZE: WIDTH 3" x 3" DIAMETER if running singles, 1 1/2" x 3" if running duals

TANDEM DRIVE AXLES ARE ALLOWED, MAX DISTANCE BETWEEN DRIVE AXLES 4 1/4"

MAX. HITCH HEIGHT: 1 1/4" MIN.

HITCH LENGTH (center of rear axle to back of hitch hole) : 1 1/8"