TM Challenger4 300X 18HP EFI UTV


  • $5,999.95

Affordable FUN Challenger4 300X, now EFI (electronically fuel injected) with an 18 horsepower powerful fully-automatic engine, is a full-size, fully-featured UTV Side-by-Side that fits up to 4 adults! With a durable water-cooled 275.6cc engine, this SxS can cruise up to 35 miles per hour, and with over a half-foot of ground clearance you can take it on even the roughest terrain with no problem. TrailMaster has even added a new gear ratio set up to enhance low-end torque.  So now you can get even more use out of the included trailer hitch with a max loading capacity of 700 pounds! The Challenger4 includes safety features such as an emergency engine kill switch, front and rear hydraulic disc brakes, and four-point safety seatbelts for all riders. Premium features in the X series include aluminum alloy wheels, an LED light bar and an improved windshield. This rugged side-by-side includes features that always come standard on the Challenger UTV series like a digital speedometer/odometer, horn, adjustable steering wheel, 12v outlet, turn signals and a bikini sunshade top. Comes in a selection of great colors with exciting graphics! EPA Certified.


Average delivery time for most of the nation: 2-4 business days after ordering. Have questions before you decide? Call us at 714.888.5114 or text 714.888.5114 ... licensed dealer offering local pickup or shipping nation wide.

Need this unit shipped to Alaska, Hawaii, or Puerto Rico? Contact us.



  • Model: Challenger4 300X
  • Engine: Single-cylinder, Four-stroke, Water-cooled, EFI
  • Displacement: 275.6cc
  • Bore x stroke: 2.85x2.63 inches
  • Transmission: Automatic CVT with Reverse
  • Final Drive: Chain
  • Max Torque: 16 lb ft/5000rpm
  • Max Speed: 35 MPH
  • Max HP: 18hp/6500rpm
  • Starting system: Electric
  • Ignition: CDI
  • Battery: 12V/10Ah
  • Fuel capacity: 1.75 gal.
  • Brakes (Front/Rear): Hydraulic Disc / Hydraulic Disc
  • Tires (Front/Rear): 22x7-10 / 22x10-10
  • Suspension (Front/Rear): Independent Dual A-arm / Independent Swing-arm
  • Features: Aluminum wheels, windshield, steel front bumper, side mirrors, LED light bar, speedometer and odometer, bikini sunshade top, turn signals, horn, trailer hitch, 12V outlet, adjustable steering wheel, engine kill switch, four-point safety seatbelts, individual bucket seats, parking brake, rear utility rack
  • Max load: 700 lbs.
  • Net Weight: 770 lbs.
  • Gross Weight: 920 lbs.
  • Wheelbase: 101.6 inches
  • Dimensions (LxWxH): 132x50x63 inches
  • Shipping Dimensions (LxWxH): 120x53x35 inches
  • Seat Height: 21 inches
  • Min ground clearance: 6.3 inches
  • EPA Certified

*MSRP for CALIFORNIA IN STORE PURCHASES does not include destination charges, taxes, licenses fee or Dealer PDI warranty preparation.

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