PRO UTV OPEN
Unlimited UTV. Maximum engine size 2000CC N/A, 1000cc Turbo
* Updated March 1st, 2023 *
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Two seat vehicles. Maximum engine size 2000cc.
Entrants in this class shall comply with all applicable general regulations.
This class is an unlimited class and all components will be considered unlimited unless unrestricted herein.
NOTE: The UTR abbreviations listed under this class (I.E. UTR1 HELMETS) refer to UTR cross reference listings in the front of this book. These UTR cross-referenced listings are part of the class rules. Where a conflict occurs between the UTR cross-referenced listing and a rule contained under this class, the rule contained under this class takes priority.
UTR2 PROTECTIVE CLOTHING
UTR3 EYE PROTECTION and DENTURES
UTR4 HEAD AND NECK RESTRAINTS
UTR5 FIRST AID KIT
UTR6 EMERGENCY SIGNALING DEVICES
UTR9 FIRE SUPPRESSION EQUIPMENT
UTR10 SURVIVAL SUPPLIES
Maximum track width as measured outside of tire to outside of tire at ride height is eighty (80) inches.
Wheelbase is restricted to 135 inches maximum.
UTR11 SHOCK ABSORBERS and BUMP STOPS
Must have one shock per wheel in working condition at start of event.
UTR12 SECONDARY SUSPENSION
UTR13 WHEELS and TIRES
Wheel diameter is fifteen (15) inch maximum.
Maximum tire size is 35×12.5.
STEERING and BRAKE COMPONENTS
Power steering is open. Steering or turning brakes allowed.
Batteries and locations are open. All batteries mounted in the driver’s compartment must be sealed enclosure. All batteries must be securely mounted. Battery shut off switch is required.
All vehicles must have a minimum of two (2) taillights and two(2) brake lights. Tail and brake lights must be 3 inch in diameter. All UTV’s must also have four (4) additional rear facing safety lights. One (1) solid amber, one(1) flashing amber, one(1) solid blue, and one(1) flashing blue. All safety lights must be LED with a minimum of 2000 lumens output. All safety lights must be wired directly to the battery switch. All lights must be mounted 48 inches from the ground minimum. Safety lights must be on at all times. Vehicles without working safety lights will not be allowed to leave the starting line or pass through a check point. All light subject to M400 approval.
UTR22 FUEL TANKS
UTR23 FUEL FILLERS LINES, VENTS, and CAPS
Fuel cell mandatory.
ENGINE, TRANSMISSION and DRIVELINES
UTR24 ENGINE and ENGINE DISPLACEMENT
Maximum engine displacement is 2000cc normally aspirated, 1000cc forced induction.
Motorcycle, snowmobile and UTV engines may be used.
No automotive engines allowed.
UTR25 ENGINE REPLACEMENT
UTR29 DRIVE SHAFTS
UTR30 FLYWHEEL SHIELDS
UTR31 FLUID COOLERS
UTR32 AUXILIARY EQUIPMENT
UTR33 SUPERCHARGERS and TURBOCHARGERS
VEHICLE SAFETY EQUIPMENT
UTR34 ROLL CAGES
UTR35 SAFETY HARNESS
UTR36 SAFETY NETS
Race seats only. All stock seats must be removed.
GENERAL VEHICLE COMPONENTS
UTR38 DRIVERS COMPARTMENT
Metal firewalls protecting occupants from fire, fuel, and liquids are required. Metal firewalls, steel or aluminum must be .040 thick minimum. Any pass-through holes required must be keep to a minimum.
UTR39 DOORS AND LATCHES
No opening doors allowed. All door openings must be braced with 1.5x.095 tubing minimum. All door openings must be covered with metal .060 thick minimum.
UTR44 BUMPERS and HAZARDOUS PROTRUSIONS
Safe front and rear bumpers required. No shape corners or hazardous protrusions.
UTR46 SKID PLATES
UTR48 CHASSIS and BODY
Roof must be covered with sheet metal .060 thick minimum.
UTR50 IDENTIFICATION MARKINGS
M400 will assign race numbers.
UTR51 ADVERTISING on VEHICLES
UTR52 RADIO EQUIPMENT
UTR54 TRACKING DEVICE