Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue
Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue

Go Kart - Full Size - 4 Seater - 300 XRS4 - Blue

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300 XRS4

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Drive now, Pay later!

The new TrailMaster 300 XRS4 Full Size 4 Seater is one of our favorites and a blast to drive!

This is a full size go kart that is designed to fit up to 4 adults and comes with a more powerful engine than the competition making is one of the best values on the market for 4 seat Go Karts.

We assemble and tune each of these Full Size Go Karts at our facility in Texas to ensure they are properly assembled and tuned. Price shown includes full assembly and tuning (recommended). Delivery is available for an extra charge. Unassembled crated units are also available at times. Please call us directly for more information and options.

TrailMaster 300 XRS4 Go Kart features the new CVT Fully Automatic Transmission and is outfitted with a powerful 17hp 300cc Liquid Cooled Engine. The competing units still use the smaller 150cc engine. This is a full size 4 seater and can easily hold 4 people with enough power to move!

The Go Kart features a heavy duty frame with a max load capacity of up to 800lbs. The driver and passenger seats are adjustable and this kart can fit a driver and/ or passenger up to 6’2" in height. The front seat to rear seat distance is an impressive 26".

This model is outfitted with big front and rear tires (20 x 7-8 / 21 x 10-10). The Kart is also outfitted with a special gear ratio set up that allows plenty of power to take off and also be able to transport up to 4 people.

This is the one of the biggest and most powerful Trailmaster Go Karts. This model is chain driven and comes with a  300cc Water Cooled Engine, Fully Automatic Transmission with Reverse Gear, Rear Independent Suspension, 12v Power Source, Chrome Wheels, Custom Side Rearview Mirrors, Electric Start, Digital Speedometer/ Odometer, Turn Signals, Horn, adjustable steering wheel, parking brake and hydraulic disc brakes. It is even outfitted with a Trailer Hitch for light towing!

 Key Features:
  • 17 HP Powerful 300cc Engine
  • CVT Fully Automatic Transmission with optional Reverse Gear
  • Water Cooled
  • Heavy Duty Frame
  • Net Weight 608 lbs
  • Max Load 800 lbs
  • Adult Size 4 Seat Go Kart
  • Digital Speedometer
  • Digital Odometer
  • Headlights
  • 12V Power Source
  • Stainless Steel Performance Exhaust System
  • Five-Point Safety Harness/ Seat Belt
  • Adjustable Steering Wheel
  • Adjustable Front Driver and Passenger Seat
  • Pedal to Center Seat Back adjustable from 41” to 46”
  • Fits driver/ passenger up to 6’2 in height (front)
  • Front Seat to Rear Seat distance 26"
  • Fits rear Passengers up to 6’2 in height
  • Handles extremely well on trails
  • Electric Start with Kill Switch
  • Custom Side Mirrors
  • Custom Sport Steering Wheel
  • Outfitted with Turn Signals
  • Individual Sport Seats
  • Polished Stainless Steel Muffler
  • Upgraded Tires: F / R: 20 x 7-8 / 21 x 10-10
  • Bikini Sunshade Top Included
  • Adjustable Heavy Duty Front and Rear Shock Absorbers
  • Rack and Pinion Steering
  • Front and Rear Hydraulic Disc Brakes
  • 4 custom wheel fenders
  • Trailer Hitch
  • Large Gas Tank
  • Horn
  • Roll Cage
  • Roll Cage Pads

  Engine Information
  •  4-stroke, 300cc, single cylinder
  • Water Cooled
  •  Max HP: 17.4HP/ 6500rpm
  • Max TQ: 16 lb ft/ 5000rpm
  • Bore x Stroke: 2.85" x 2.63"
  • Max speed: 50 mph
  • Climbing ability: 15 degrees 
  • Min Turning Radius: 229"
  • Ignition:  C.D.I
  • Starting System: Electric Start
  • Battery: 12V 10Ah
  • Gear Oil: MoS2&W-2WD-4D


Additional Information
  • Driveline / Driving Wheels:  Chain / Dual wheel drive
  • Suspension, F / R Dual A-arm / swing-arm
  • Front Brakes:  Hydraulic Disc Brakes
  • Rear Brakes: Hydraulic Disc Brakes
  • Tires, F / R: 20 x 7-8 / 22 x 10-10
  • Fuel Capacity: 2.25 gal
  • Net Weight: 608lbs
  • Gross Weight: 758 lbs
  • Max Load: 800 lbs

Dimension Information
  • Wheelbase: 84.5"
  • OA L x W x H: 116.1" x 54.5" x 59.2"
  • Height to Seat, Front: 17", Rear: 18.2"
  • Distance between front and rear seats: 25.6"
  • Min. Ground Clearance: 15.8"
  • Pedal to center seat back: 41" - 46" 

This Go Kart is available in Black, Red and Blue. This listing is for the Blue Model. Please check out our other listings for Black and Blue options.

Please note: Some images show optional Side Rear View Mirrors that are available at checkout. 

MADNESS Autoworks is an Authorized Dealer for TrailMaster. We stock their products in our Texas location and offer full assembly, turn key vehicles along with service on premises.

About Manufacturer

TrailMaster Powersports Products are manufactured to provide you the enthusiast with a great product that also represents a great value for the money. In addition, the company works hard to provide the best products with the best service before, during and after the sale.

TrailMaster products are designed to provide you the user with the best combination of quality, features, performance and design while offering all this at a fantastic price.

Every product TrailMaster offers passes their strict quality assurance testing in their facility in Texas. TrailMaster also carries a complete line of replacement parts in their Texas Distgribution Center to make sure if there is ever a need for repair a replacement part can be quickly available to get you back on the road.             

TrailMaster understands that their products are only as good as the support behind it. Fantastic customer service in addition to their great products is what separates them from the rest.

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Two locations to serve you


22108 SH 71 W.
Spicewood, TX 78669
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed


2716 Dawson Ave.
Signal Hill, CA 90755
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed