Product Description
TrailMaster Challenger 300EX — Full‑Size EFI UTV‑Style Go Kart
The TrailMaster Challenger 300EX is a full‑size, high‑performance UTV‑style go kart engineered for teens, adults, and growing families who want more power, space, and a refined trail ride. Powered by a strong 300cc liquid‑cooled EFI engine, it delivers smooth acceleration, superior hill‑climbing ability, and cleaner cold starts than traditional carbureted models.
With long‑travel independent suspension, hydraulic disc brakes, a wide cockpit, and premium bucket seating, the Challenger 300EX feels more like a compact side‑by‑side than a go kart. Whether you’re exploring wooded trails, maintaining property, riding gravel roads, or enjoying weekend family adventures, the 300EX has the strength, stability, and comfort to handle it all.
If you want the most capable, best‑riding 300‑class go kart TrailMaster offers, the 300EX is the sweet spot.
Key highlights
- 300cc liquid‑cooled EFI engine — smooth, powerful, hill‑dominating performance
- Automatic CVT with reverse — simple, reliable operation for any rider
- Long‑travel independent suspension — premium trail comfort
- Full‑size cockpit — fits teens and adults
- Electric start — reliable and user‑friendly
- Hydraulic disc brakes — strong, confident stopping power
- Sport‑inspired bodywork — aggressive and modern styling
- LED headlights & taillights — excellent visibility
- Adjustable driver seat — fits multiple riders
- Heavy‑duty off‑road tires — ready for dirt, grass, and uneven terrain
Who the Challenger 300EX is best for
- Teens, adults, and taller riders
- Riders roughly 5'0" to 6'4"
- Families upgrading from the Challenger 200 series
- Property owners who need something durable and comfortable
- Riders wanting a mini UTV without the cost of a full‑size SxS
- Anyone needing stronger power for trails and hills
The 300EX is spacious, stable, and powerful—perfect for families who want a machine everyone can ride.
Ride comfort & handling
Designed for elevated comfort, the Challenger 300EX combines:
- Long‑travel suspension that absorbs ruts, rocks, and bumps
- Wide‑track stability that inspires confidence on hills and corners
- Layered bucket seats that reduce fatigue on longer rides
- Strong torque and smooth power delivery that build driver confidence
- Quiet, efficient EFI engine that reduces tuning and maintenance
It’s the best combination of comfort and capability in the 300‑class.
Safety features
- Protective full steel roll cage
- 3‑point harness seatbelts
- Side doors with safety netting
- Hydraulic disc braking system
- Parking brake
- LED lighting package
- Adjustable throttle governor
- Reinforced bumpers
Parents appreciate the safety. Riders love the power and comfort.
Specifications
- Engine: 300cc liquid‑cooled EFI
- Transmission: Automatic CVT with reverse
- Cooling: Radiator‑based liquid cooling
- Front suspension: Independent long‑travel A‑arm
- Rear suspension: Independents Long‑travel swing‑arm shock
- Brakes: Hydraulic disc, all 4 wheels
- Top speed: ~40+ mph, varies by terrain & rider
- Ground clearance: ~10 inches
- Tires: Large off‑road tires, about 22" front and 22–23" rear
- Seats: Dual bucket seats
- Weight capacity: ~500 lbs
- Lighting: LED headlights & taillights
Why choose the TrailMaster Challenger 300EX?
- More powerful, higher speeds than all 200‑series models, but not made for hill climbing
- EFI reliability with minimal maintenance
- Wide cockpit fits teens and adults comfortably
- Great suspension for real off‑road riding
- Strong steel construction
- Perfect for trail riding, weekend adventures, and property use
- Ideal for small farms, family homestead, yard chores
The TrailMaster Challenger 300EX is the ultimate full‑size trail machine for families who want power, comfort, and a premium UTV‑style experience—without the high cost of a full side‑by‑side.
