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Single-Rider

Onslaught 550

Rev it up and ride fearless. Onslaught rides smooth and delivers more power than you'll ever need.

Starting at $6,299* MSRP

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Back to Onslaught 550

Overview

Tackle trails – and to-do lists. Our Onslaught 550 ATV gives you plenty of power, and an EFI engine that knows how to make the most of it. 

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Capabilities

Hit the trails or get more work done. The Onslaught can handle it all.

Power
Onslaught brings more than enough power with a liquid-cooled 503cc engine featuring electronic fuel injection.
Suspension & Handling
Electronic Power Steering and four-wheel double A-arm suspension give you total command and comfort.
Customization
Explore our accessories to customize Onslaught for exactly what you need.
Reliability
Onslaught is backed with an unsurpassed 1-year warranty.

Available Models

single-rider

Onslaught 550

Onslaught 550
Standard
single-rider

Onslaught 550

Starting at $6,299 MSRP
  • Four-Wheel Independent Suspension
  • 503cc Liquid-Cooled EFI Engine
  • 12-inch Ground Clearance
  • Standard Front and Rear Cargo Rack
single-rider

Onslaught 550 EPS

Onslaught 550 EPS
Standard
single-rider

Onslaught 550 EPS

Starting at $7,299 MSRP
  • Four-Wheel Independent Suspension
  • 503cc Liquid-Cooled EFI Engine
  • 12-inch Ground Clearance
  • Standard Front and Rear Cargo Rack
  • Electronic Power Steering
single-rider

Onslaught 550 EPS Camo

Onslaught 550 EPS Camo
Optional
single-rider

Onslaught 550 EPS Camo

Starting at $7,799 MSRP
  • Four-Wheel Independent Suspension
  • 503cc Liquid-Cooled EFI Engine
  • 12-inch Ground Clearance
  • Standard Front and Rear Cargo Rack
  • Electronic Power Steering
  • Realtree® Xtra® Camoflauge Pattern

Specifications

  • Body & Frame
  • Dimensions
  • Engine & Drivetrain
  • Performance
  • Steering & Suspension
  • Features
Body & Frame
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Frame Structurally Welded High Strength Steel Structurally Welded High Strength Steel Structurally Welded High Strength Steel
Body & Finish Automotive Quality Paint Automotive Quality Paint Automotive Quality Paint
Skid Plate Plastic Plastic Plastic
Standard Colors
  • Olive Green
    Olive Green
  • Black
    Black
  • Black
    Black
  • Olive Green
    Olive Green
-
Optional Colors - -
  • Realtree Xtra
    Realtree Xtra
Dimensions
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Overall Length 84.8 in (2155mm) 84.8 in (2155mm) 84.8 in (2155mm)
Overall Width 48.6 in (1235 mm) 48.6 in (1235 mm) 48.6 in (1235 mm)
Overall Height 49.2 in (1250 mm) 49.2 in (1250 mm) 49.2 in (1250 mm)
Wet Weight 803.0 lb (364 kg) 803.0 lb (364 kg) 803.0 lb (364 kg)
Wheel Base 50.4 in (1280 mm) 50.4 in (1280 mm) 50.4 in (1280 mm)
Ground Clearance 12 in (305 mm) 12 in (305 mm) 12 in (305 mm)
Seat Height 36.1 in (914 mm) 36.1 in (914 mm) 36.1 in (914 mm)
Hitch Standard/2-inch Receiver Standard/2-inch Receiver Standard/2-inch Receiver
Engine & Drivetrain
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Battery 12V 18Ah 12V 18Ah 12V 18Ah
Motor Type Liquid-Cooled 4-Stroke, SOHC Single-Cylinder, Gas Engine Liquid-Cooled 4-Stroke, SOHC Single-Cylinder, Gas Engine Liquid-Cooled 4-Stroke, SOHC Single-Cylinder, Gas Engine
Horsepower (KW) 39HP 39HP 39HP
Displacement 503cc 503cc 503cc
Drive Train CVT CVT CVT
Fuel System Electronic Fuel Injection (EFI) Electronic Fuel Injection (EFI) Electronic Fuel Injection (EFI)
Fuel Tank Capacity 4.2 Gal. (16 ltr) 4.2 Gal. (16 ltr) 4.2 Gal. (16 ltr)
Gear Selection L/H/N/R L/H/N/R L/H/N/R
Differentials Manual Locking Manual Locking Manual Locking
Performance
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Total Load Capacity Front 675 lb (306 kg) | Rear 679 (308 kg) Front 675 lb (306 kg) | Rear 679 (308 kg) Front 675 lb (306 kg) | Rear 679 (308 kg)
Front Rack 99 lb (45 kg) 99 lb (45 kg) 99 lb (45 kg)
Rear Rack 165 lb (75 kg) 165 lb (75 kg) 165 lb (75 kg)
Steering & Suspension
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Steering Standard Electronic Power Steering Electronic Power Steering
Front Suspension Double A-Arm, IRS 8.7 in (22.0 cm) Travel Double A-Arm, IRS 8.7 in (22.0 cm) Travel Double A-Arm, IRS 8.7 in (22.0 cm) Travel
Rear Suspension Double A-Arm, IRS 9.4 in (24.0 cm) Travel Double A-Arm, IRS 9.4 in (24.0 cm) Travel Double A-Arm, IRS 9.4 in (24.0 cm) Travel
Brake System Hydraulic Disc Brakes (200 mm), Hydraulic Disc Brakes (180 mm) Hydraulic Disc Brakes (200 mm), Hydraulic Disc Brakes (180 mm) Hydraulic Disc Brakes (200 mm), Hydraulic Disc Brakes (180 mm)
Foot Brake Rear Foot Brake Rear Foot Brake Rear Foot Brake
Parking Brake Lockable Hand Lever Lockable Hand Lever Lockable Hand Lever
Tires AT25 X 8-12, AT25 X10-12 AT26 X 8-14, AT26 X 10-14 AT26 X 8-14, AT26 X 10-14
Wheels Steel Steel -
Features
Onslaught 550 Onslaught 550 EPS Onslaught 550 EPS Camo
Frame Structurally Welded High Strength Steel Structurally Welded High Strength Steel Structurally Welded High Strength Steel
Lighting Dual 60w Low/High Beam Lights, Third-Head Light, Dual Brakelights, Taillights Dual 60w Low/High Beam Lights, Third-Head Light, Dual Brakelights, Taillights Dual 60w Low/High Beam Lights, Third-Head Light, Dual Brakelights, Taillights
Start Method Electric Start Electric Start Electric Start