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TrailMaster Challenger 300E (EFI) UTV Side-by-Side, Liquid Cooled

  • $5,299.88
  • $5,799.00
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The Trailmaster Challenger 300E is an Electronic Fuel Injected replacement of the Challenger 300S. With an adjustable seat, tilt steering wheel and adjustable speed control, teens to adults can comfortably operate. The Challenger 300E UTV is equipped with a powerful high output liquid cooled power plant. Fully automatic CVT drive system with a reverse gear. The 300 power plant puts out over 17hp and with EFI Electronic Fuel Injection you will have no problems starting in cold or high altitudes. You will appreciate not only the awesome ride but also the durability of the double A-arm front suspension and heavy-duty rear swingarm. 
 
Safety features on the Trailmaster 300E include 4-point seat belts, an adjustable throttle pedal, heavy-duty top cage system, side nets and headrests. It's loaded with standard equipment the others call “options” such as a speedometer and odometer, Hi/Lo headlights, taillight with brake lights, turn signals and flashers. You'll be able to keep up with the pack with a top speed of 45 mph. The bikini sunshade top will keep the rays down. Reliability, Fun, and Safety round out this popular Trailmaster Utility Vehicle. 

Fuel Injected, Liquid Cooled, Extended Cab.
It climbs hills. It crosses streams. It conquers sand dunes. Engineered to corner, cross, accelerate, climb, and take you any place you want to go. Much more Power than the Challenger 150. Suitable for rough terrain. High quality!

We can ship it to you MOSTLY ASSEMBLED, Select this option above.  Even with this option, final assembly and setup must still be performed by a qualified mechanic prior to operation. *please allow up to 5 extra days for this option.

Features

  • Powerful Liquid-Cooled 300cc EFI engine
  • CVT fully automatic with reverse
  • Extended Cab
  • Graphics Package
  • Steel Wheels
  • Front bumper
  • Bikini sunshade top
  • Side nets
  • Turn signals
  • Horn
  • Trailer Hitch
  • 12V outlet
  • Top speed 45M/H
  • Electric start with kill switch
  • Fully automatic with reverse
  • Adjustable steering wheel
  • Large tires with 22X7-10 in the front and 22X10-10 in the back
  • Four-point safety seatbelt
  • Individual sporting seats
  • Adjustable driver seat: pedal to seat back adjustable from 38” to 43”
  • Adjustable heavy duty front and rear shock absorber
  • Central rear view mirror
  • Rack and pinion steering wheel
  • Front and rear hydraulic disc brake
  • 4-point rear swing arm
  • Parking brake
  • Large rear utility rack

Specifications

  • Engine type: 4-stroke, single cylinder, water- cooled
  • Displacement: 300cc
  • Max HP: 17.4hp/6500rpm
  • Max torque: 16 lb ft/5000rpm
  • Bore x stroke: 2.85x2.63 inches
  • Max speed: 52 mph
  • Ignition: C.D.I
  • Starting system: Electric
  • Battery: 12V 10Ah
  • Engine oil: SAE 15W-40
  • Clutch: Automatic CVT with reverse
  • Drive train / Chain / Dual wheel drive
  • Suspension F / R: Independent Dual A-arm / Swing Arm, Double Oil Damped Shock
  • Brakes, F / R: Both hydraulic brakes, Disc
  • Tires, F / R: 22x7-10 / 22x10-10
  • Fuel capacity: 1.75 gal
  • Weight, G.W. / N.W.: 705 / 617 lbs
  • Max load: 500 lbs.
  • Dimension Information Wheelbase: 72 inches
  • OA L x W x H: 98x50x60 inches
  • Height to seat: 21 inches
  • Minimum ground clearance: 6.3 inches
FAQ Accordion with Animation

Frequently Asked Questions

When will my order be shipped and how long does delivery take?
Orders containing in-stock items typically ship within 3–5 business days. Orders that include assembly will require 7–10 business days to prepare. Please note that during the holiday season (Thanksgiving through Christmas), processing times may be longer due to high order volume. Once your order has shipped, you’ll receive an email with tracking information. Most orders are shipped via Less Than Truckload (LTL) freight and generally arrive within 3–7 business days. Deliveries to remote areas (such as mountains, forests, valleys, or islands) may take longer. You can check the estimated delivery date on the carrier’s website using the tracking number we provide.
How your vehicle is shipped?
Unless otherwise noted, the vehicles we offer are shipped crated or on a pallet and do not come assembled unless you’ve selected our assembly service. Assembly typically requires a few basic tools and mechanical knowledge. If you're not confident in your ability to safely assemble a high-speed off-road vehicle, we strongly recommend selecting professional assembly or having it assembled by a local mechanic.

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Do you offer financing?
Yes. Buy-now-pay-later financing is available with our preferred partner, BreadPay® (please see their icon under product pricing for details).

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How can I get assistance if I have question on products?
Please call 888-886-5846 and talk to one of our knowledgeable sales representatives between 9am-3pm PST. Or send us email at orders@gokartsusa.biz.
What warranty is included with my purchase?
You're covered with confidence at GoKarts USA®. Your satisfaction is our top priority. Every purchase comes with manufacturer-backed warranty protection—including up to 12 months of engine coverage—to keep your ride running strong. TrailMaster products also include a 6-month parts warranty for added peace of mind.

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What does 95% or 98% Assembly Mean? What do I need to assemble if shipped in crate?

For shipping safety, most vehicles cannot be fully assembled prior to delivery.

Minor assembly is required—this typically includes installing mirrors, connecting the battery, adjusting handlebars, and other small components. Before operation, please ensure all screws and fasteners are tightened, engine fluids are at proper levels, and the battery is fully charged. Your factory warranty remains valid right out of the box.

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