Here are the classes we will be running.
1.9 Tire Stock 4x4 (SMS Rules)
Chassis: Production Scale 4x4 (SCX10, Hi-lift, Bruiser, etc

Motor: 27t Brushed or higher
Battery: 2s Lipo
Tires: All 1.9 Scale Crawling Tires
Hitch: Zip tie around axle permitted.
Weight: No external weight added for pulling. Truck must be as appears on trail.
2.2 Tire Stock 4x4 (SMS Rules)
Chassis: Must be solid axle w/ center driveshaft.(Wraith, Night Crawler, etc

Motor: 20t Brushed or higher
Battery: 2s Lipo
Tires: All 2.2 Scale Crawling Tires.
Hitch: Zip tie around axle permitted.
Weight: No external weight added for pulling. Truck must be as appears on trail.
8lbs 17.5 Pro-Stock 4x4 (MMRCTPA Rules)
Chassis: Production or scratch shaft drive
Motor: 17.5 Brushless 550 can, 17t Brushed
Battery: 2s Lipo
Tires: 1.9 scale appearing crawling tire
Hitch: 2.5'' max height. Must be 3'' from center line rear axle to hole.
Weight: 8 lbs max, weight box permitted
8lbs 27t Pro-Stock 4x4 (CIPA Rules)
Chassis: Production or scratch shaft drive
Motor: 27t Brushed
Battery: 2s Lipo
Tires: 1.9 scale crawling tire, Tamiya TLT-1, or RC4WD 1.9 Pullers
Hitch: 2.5'' max height. Must be 3'' from center line rear axle to hole.
Weight: 8 lbs max, weight box permitted
8 lbs Modified Diesel 4x4 (MMRCTPA Rules)
Chassis: Production or scratch shaft drive
Motor: 4000 kv, 550 can
Battery: 2s Lipo
Tires: Any 1.9 max 3.75 tall, max width 2.0. V-tread allowed. May run duals on rear if no v-tread. Tires may be cut
Weight: 8 lbs max, external weights permitted if scale.
Hitch: 2.5'' max height. Must be 3'' from center line rear axle to hole.
Weight: 8 lbs max, weight box permitted
8 lbs Modified 4x4 (MMRCTPA Rules)
Chassis: Production or scratch shaft drive
Motor: 6000 kv, 550 can
Battery: 2S Lipo
Tires: Tamiya TLT-1 or RC4WD 1.9 Puller, tires may be cut
Weight: 8 lbs max, external weights permitted if scale.
Hitch: 2.5'' max height. Must be 3'' from center line rear axle to hole.
Weight: 8 lbs max, weight box permitted
10 lbs Super Modified 4x4 (CIPA Rules)
Chassis: Production or scratch shaft drive
Motor: 7900 kv, 550 can
Battery: 3s Lipo
Tires: Tamiya TLT-1 or RC4WD 1.9 Puller, tires may be cut
Weight: 10 lbs max, external weights permitted if scale.
Hitch: 2.5'' max height. Must be 3'' from center line rear axle to hole.
Weight: 10 lbs max, weight box permitted
8 lbs Modified 2wd (MMRCTPA Rules)
Chassis: Production or scratch
Motor: 7000 kv, 550 can
Battery: 2s Lipo
Tires: Tamiya Midnight Pumpkin/Lunchbox, RC4wd 1.9 Puller, TLT-1, tires may be cut
Weight: 8 lbs max, external weights permitted if scale.
Hitch: 3'' max height
Vehicle Length: 19''
8 lbs Super Modified 2wd (CIPA, SMS Rules)
Chassis: Production or scratch
Motor: 7900 kv, 550 can
Battery: 3s Lipo
Tires: Tamiya Midnight Pumpkin/Lunchbox, RC4wd 1.9 Puller, TLT-1, tires may be cut
Weight: 8 lbs max, external weights permitted if scale.
Hitch: 4'' max height
Vehicle Length: 19''
10 lbs Pro Stock Tractor (MMRCTPA Rules)
Motor: 5000 kv, 550 can
Battery: 2S Lipo
Tires: Maximum of 6.75 inches. The Maximum tread width is 3 inches. Must be agricultural single V type bar tire. Tires are allowed to be cu
Weight: 10 lbs max, external weights permitted if scale.
Hitch: 2'' max height
Dimensions:Maximum over all length is 19 inches. Maximum tractor width is 14 inches. Maximum tractor length is 18 ? inches. The wheelie bars may be ? inch past the rearmost part of the tractor. The furthest point forward shall be no further than 15 ? inches from the center of rear axle.
Weight: 10lbs max, external weight must be scale appearing suitcase weights
10 lbs Super Stock Tractor (MMRCTPA Rules)
Motor: Any 550 size motor legal
Battery: Any voltage
Tires: Maximum of 6.75 inches. The Maximum tread width is 3 inches. Must be agricultural single V type bar tire. Tires are allowed to be cu
Weight: 10 lbs max, external weights permitted if scale.
Hitch: 2'' max height
Dimensions:Maximum over all length is 19 inches. Maximum tractor width is 14 inches. Maximum tractor length is 18 ? inches. The wheelie bars may be ? inch past the rearmost part of the tractor. The furthest point forward shall be no further than 15 ? inches from the center of rear axle.
Weight: 10 lbs max, external weight must be scale appearing suitcase weights
4 lbs Garden Tractor (MMRCTPA Rules)
Chassis: Production or scratch
Motor: 5000 kv, 550 can
Battery: 2s Lipo
Tires: Tamiya TLT-1 Tires or comparable
Hitch: 4'' max height
Vehicle Length: 12.5
Wheelie Bar: May not extend more than 2 inches past the rearmost portion of the hitch. Wheels may be replaced with skid pads.
Weight: 4 lbs max, external weights must be scale
25 lbs Open Unlimited "Run Whutcha' Brung" (SMS Rules)
Motor: Nitro or Electric Power permitted (no voltage limit). May use multiple motors. No Gasoline.
Chassis: Production or scratch - must be 1/10 or 1/8 scale
Weight: Must not exceed 25 lbs and must be able to safely hook to sled.