Introduction to the 2021 Hisun Sector 550 EPS
The 2021 Hisun Sector 550 EPS is designed to be a versatile and robust utility ATV that caters to a wide range of users, from agricultural workers and hunters to outdoor enthusiasts. As a part of Hisun’s reputable lineup, this model exhibits a range of notable features and updates for the current model year, making it a standout utility ATV in 2021.
With a focus on durability and performance, the 2021 Hisun Sector 550 EPS is equipped with advanced construction features such as a steel frame, plastic body material, and standard exterior guards. Additionally, its Continuously Variable Transmission (CVT) with Hi/Low Range and Reverse, along with shaft primary drive for both front and rear wheels, ensures reliable and efficient operation across various terrains and conditions.
Furthermore, the inclusion of standard exterior covers, A-arm skid plates, and a hard cab canopy material underscores the 2021 Hisun Sector 550 EPS’s commitment to user safety and protection. These features, along with its robust design, make it an ideal choice for demanding tasks and outdoor adventures, cementing its position as a leading utility ATV in the market.
Model Classification and Key Features
The Hisun Sector 550 EPS holds a significant position within the Hisun lineup as a versatile and robust Utility ATV, designed to excel in various off-road environments. This model is specifically engineered to cater to a wide range of users, from outdoor enthusiasts to agricultural workers, offering exceptional performance and reliability in every scenario.
Setting it apart from other ATVs in its category, the Hisun Sector 550 EPS boasts advanced features such as independent double A-arm suspension on both the front and rear, providing superior stability and smooth handling over challenging terrains. Additionally, its fuel-injected single-cylinder engine delivers ample power and efficiency, further enhancing its appeal in the market.
Price and Value of the Hisun Sector 550 EPS
The 2021 Hisun Sector 550 EPS is priced at an MSRP of $9,199. This standard price is accompanied by a warranty of 24 months under limited conditions. It’s important to note that the MSRP may vary based on different configurations or editions of the ATV, which can offer additional features or specifications.
When compared to similarly priced models in the market, the Hisun Sector 550 EPS stands out due to its combination of independent double A-arm front and rear suspension, along with adjustable fork pre-load and rear shock/spring pre-load. These features, coupled with the 24-month warranty, make the Hisun Sector 550 EPS a compelling choice for ATV enthusiasts seeking value and performance.
Model | Price |
---|---|
Hisun Sector 550 EPS | $9,199 |
Engine Specifications and Performance
The Hisun Sector 550 EPS is equipped with a robust Single-Cylinder engine known for its outstanding performance and durability. With a displacement of 546cc and a 4-stroke engine stroke, this powerplant delivers reliable power and torque for off-road adventures.
Featuring liquid cooling and fuel injection, the engine of the Hisun Sector 550 EPS is designed to withstand harsh off-road conditions while providing consistent power delivery. The 91mm bore and 84mm stroke contribute to the engine’s torque characteristics, making it well-suited for challenging terrains.
Specification | Value |
---|---|
Engine Type | Single-Cylinder |
Engine Stroke | 4-Stroke |
Cooling | Liquid |
Valves | 2 |
Valves Per Cylinder | 2 |
Compression Ratio | 9.6:1 |
Starter | Electric |
Fuel Type | Gas |
Fuel Injector | Yes |
Bore (mm/in) | 91 / 3.58 |
Stroke (in/mm) | 3.31 / 84 |
Displacement (cc/ci) | 546 / 33.3 |
Transmission System and Shifting Options
The 2021 Hisun Sector 550 EPS comes equipped with a Continuously Variable Transmission (CVT) system, offering a seamless and smooth shifting experience. This type of transmission does not have traditional gears, providing an infinite number of gear ratios to optimize power delivery for various driving conditions. The CVT’s operation is based on a system of two pulleys connected by a belt, and it offers the advantage of maintaining the engine at its most efficient speed, resulting in improved fuel economy and reduced wear on engine components.
The Continuously Variable Transmission in the 2021 Hisun Sector 550 EPS provides several benefits for both utility work and off-road adventures. For utility tasks, the smooth and precise power delivery of the CVT system enhances control and maneuverability, allowing the vehicle to navigate challenging terrains and tight spaces with ease. When it comes to off-road adventures, the CVT’s ability to maintain optimal engine speed enables seamless power application, ensuring consistent traction and performance across varying terrain conditions.
Specification | Value |
---|---|
Transmission | Standard |
Transmission Type | Continuously Variable (CVT) |
Hi / Low Range | Yes |
Reverse | Yes |
Primary Drive (Front Wheel/Rear Wheel) | Shaft / Shaft |
Driveline Configuration and 4×4 Capabilities
The Hisun Sector 550 EPS is equipped with an advanced driveline configuration featuring On-Demand™ technology. This driveline offers selectable 4X2 and 4X4 modes, providing exceptional versatility for navigating various types of terrain. The driveline also includes a standard front differential lock, enhancing traction and stability in challenging off-road conditions.
Furthermore, with two selectable driveline modes, the Hisun Sector 550 EPS empowers drivers to adapt to diverse off-road environments with ease. This driveline configuration ensures that the vehicle can confidently traverse through rugged landscapes, offering superior off-road capability and handling under varying terrain conditions. The combination of the driveline’s features provides drivers with the control and performance needed to conquer challenging off-road adventures.
Specification | Value |
---|---|
Driveline Brand | On-Demand™ |
Driveline Type | Selectable 4X2 / 4X4 |
Number Of Driveline Modes | 2 |
Differential Lock | Standard |
Differential Lock Location | Front |
Dimensions and Technical Specifications
Specification | Value |
---|---|
Length (in/mm) | 118 / 2997.2 |
Width (in/mm) | 61 / 1549.4 |
Height (in/mm) | 75.5 / 1917.7 |
Wheelbase (in/mm) | 76.5 / 1943.1 |
Ground Clearance (in/mm) | 12 / 304.8 |
Dry Weight (lbs/kg) | 1638 / 743 |
Towing Capacity (lbs/kgs) | 1200 / 544.3 |
GVWR (lbs) | 2341 |
Fuel Capacity (gal/l) | 7.5 / 28.4 |
Engine Displacement to Weight (cc) | 0.33 |
The 2021 Hisun Sector 550 EPS comes with standard dimensions and weight specifications that play a crucial role in determining its usability and performance across various scenarios. The ATV measures 118 inches (2997.2 mm) in length, 61 inches (1549.4 mm) in width, and 75.5 inches (1917.7 mm) in height, with a wheelbase of 76.5 inches (1943.1 mm) and a ground clearance of 12 inches (304.8 mm). With a dry weight of 1638 lbs (743 kg), towing capacity of 1200 lbs (544.3 kg), and a GVWR of 2341 lbs, the Sector 550 EPS also features a fuel capacity of 7.5 gallons (28.4 liters) and an engine displacement to weight ratio of 0.33 cc/lbs.
Exterior Design and Visual Appeal
The Hisun Sector 550 EPS boasts a robust exterior design that seamlessly blends functionality with visual appeal. The frame, constructed from sturdy steel, not only provides structural integrity but also ensures durability and resilience in demanding off-road conditions. This utilitarian approach to frame design is further complemented by the availability of standard exterior guards, front and rear fender flairs, and a skid plate, all of which contribute to the ATV’s rugged aesthetic and off-road readiness. Moreover, the hard cab canopy material and integrated cab cage and rollbar reinforce the vehicle’s safety and protection features, enhancing both its visual impact and functional capabilities.
In addition to its robust construction, the Hisun Sector 550 EPS offers a range of color options, allowing owners to personalize the ATV according to their preferences. This customization aspect adds a distinct visual appeal to the vehicle, catering to diverse consumer tastes and enhancing its overall aesthetic versatility. Furthermore, the inclusion of built-in functional elements such as a CV boot cover, cab doors, and an A-arm skid plate further exemplifies the ATV’s seamless fusion of design and functionality, ensuring that every exterior component serves a dual purpose of visual enhancement and practical utility.

Steering System and Handling Performance
The Hisun Sector 550 EPS features a power steering system, offering enhanced control and maneuverability, which is crucial for both utility and off-road applications. The power steering system significantly reduces steering effort, ensuring precise handling in various terrains and conditions.
In utility settings, the power steering system allows for effortless navigation through tight spaces and when carrying heavy loads, enhancing overall productivity. In off-road environments, the system provides responsive and accurate steering input, contributing to improved safety and agility across challenging terrains.
Suspension System and Ride Comfort
The Hisun Sector 550 EPS is equipped with an advanced suspension system designed to tackle various terrains with ease. The front suspension features an independent double A-arm setup, while the rear suspension also utilizes an independent double A-arm configuration. This setup provides enhanced stability and control, allowing the vehicle to navigate through rugged terrains with confidence.
Additionally, the front suspension comes with adjustable fork pre-load, offering the flexibility to fine-tune the suspension to suit different riding conditions. While the front stabilizer bar is not included, the rear suspension incorporates adjustable shock/spring pre-load and two rear shock absorbers, further enhancing the vehicle’s ability to absorb impacts and deliver a smooth ride.
Specification | Value |
---|---|
Front Suspension Type | Independent Double A-Arm |
Front Adjustable Fork Pre-Load | Yes |
Front Stabilizer Bar | No |
Rear Suspension Type | Independent Double A-Arm |
Rear Adjustable Shock / Spring Pre-Load | Yes |
Number Rear Shock Absorbers | 2 |
Air Adjustable | No |
Wheels and Tires for Off-Road Performance
Specification | Value |
---|---|
Wheels | Standard |
Wheels Composition | Aluminum |
Tires | Standard |
Front Tire Width | 9 |
Front Wheel Diameter | 14 |
Rear Tire Width | 11 |
Rear Wheel Diameter | 14 |
Front Tire Diameter (in) | 26 |
Rear Tire Diameter (in) | 26 |
Front Tire (Full Spec) | 26 X 9-14 |
Rear Tire (Full Spec) | 26 X 11-14 |
When it comes to the Hisun Sector 550 EPS, the standard wheels and tires play a crucial role in its off-road performance. The standard wheels are made of aluminum, providing a balance of strength and lightness, while the tires are designed specifically for off-road use. The front tire width measures 9 inches, and the rear tire width measures 11 inches. Both front and rear tires have a diameter of 26 inches, with the front tire size specified as 26 X 9-14 and the rear tire size as 26 X 11-14. This tire setup ensures optimal traction, stability, and durability when navigating challenging off-road terrain, making the Hisun Sector 550 EPS well-suited for demanding off-road conditions.
Braking System and Safety Features
The Hisun Sector 550 EPS is equipped with a robust braking system, featuring dual hydraulic disc brakes at the front and rear. This setup ensures reliable and consistent stopping power, essential for a vehicle designed for utility and off-road use. The dual hydraulic disc brakes provide enhanced braking performance over traditional drum brakes, offering better heat dissipation and resistance to brake fade, ultimately contributing to improved safety and control for users.
In addition to the advanced disc braking technology, the Hisun Sector 550 EPS also comes with standard engine braking, further enhancing its safety features. Engine braking provides an additional layer of control, especially when navigating steep descents, by assisting in maintaining a safe and controlled speed without relying solely on the hydraulic brakes. This combination of braking technologies equips the Hisun Sector 550 EPS with comprehensive safety measures, ensuring users can confidently maneuver challenging terrains while prioritizing safety.
Braking System Specification | Value |
---|---|
Brakes | Standard |
Front Brake Type | Dual Hydraulic Disc |
Rear Brake Type | Dual Hydraulic Disc |
Engine Braking | Standard |
Towing and Cargo Capacity
The 2021 Hisun Sector 550 EPS boasts impressive towing and cargo capacities, making it a versatile workhorse for utility applications. With a towing capacity of 1200 lbs (544.3 kgs) and a rear hitch type of receiver, this model is well-equipped to handle various towing tasks. Additionally, the standard winch and roller fairlead, along with a weight of 3500 lbs (1587.6 kgs), further enhance its utility capabilities.
When it comes to cargo capacity, the Hisun Sector 550 EPS offers ample space to transport tools, equipment, and supplies, essential for utility tasks. The combination of its towing and hauling capabilities makes it an ideal choice for agricultural, construction, and landscaping purposes, providing the reliability and functionality required in demanding work environments.
Specification | Value |
---|---|
Towing Capacity (lbs/kgs) | 1200 / 544.3 |
Rear Hitch Type | Receiver |
Winch | Standard |
Roller Fairlead | Standard |
Weight (lbs/kgs) | 3500 / 1587.6 |
Seating and Comfort Features
The 2021 Hisun Sector 550 EPS is designed with a focus on providing exceptional seating and comfort features for both the rider and passenger. The seat type is a bench, constructed with durable vinyl material that ensures reliability and longevity in various conditions. Additionally, the inclusion of headrests contributes to enhanced comfort and support during extended rides, making it an ideal choice for off-road adventures.
In terms of passenger comfort, the seat design incorporates standard seat specifications, including a grab rail or strap for added security and stability. Furthermore, the 2021 Hisun Sector 550 EPS features two seats in a single row, providing ample space for both the rider and passenger. These features, combined with the quality materials used in the construction, ensure a comfortable and enjoyable riding experience for all occupants.

Dashboard and Instrumentation
The Hisun Sector 550 EPS is equipped with a comprehensive array of digital instrumentation and displays, providing the operator with essential information for monitoring and controlling the vehicle’s performance in various conditions. The dashboard and instrumentation features play a pivotal role in enhancing the rider’s control and situational awareness, thereby ensuring a safe and efficient riding experience.
- Digital Instrumentation: Standard
- Clock: Standard
- Speedometer: Standard
- Tachometer: Standard
- Trip Odometer: Standard
- Lap Timer: Standard
- Fuel Level Warning: Standard
- Fuel Level Warning Type: Gauge
- Temperature Warning: Standard
- Temperature Warning Type: Light
Storage Options and Utility Features
The Hisun Sector 550 EPS is equipped with a range of storage and utility features that significantly enhance its versatility for various tasks. These features include glove box/dash storage, rack rails, cupholders, and a cargo bed with specific dimensions and capacity. Let’s delve into the details of these storage options and how they contribute to the ATV’s adaptability and functionality.
The glove box/dash storage and rack rails are provided as standard features on the Hisun Sector 550 EPS, offering convenient spaces for storing essential items and equipment. Additionally, the cargo bed, constructed with polyethylene material, is designed with tilt functionality and integral tie-down hooks, ensuring secure transportation of cargo. With a generous bed capacity of 500 lbs / 226.8 kgs and specific dimensions of 34″ length, 11″ height, and 45″ width, the cargo bed provides ample space for carrying loads, further enhancing the ATV’s adaptability for a wide range of tasks.
Specification | Value |
---|---|
Glove Box / Dash Storage | Standard |
Rack Rails | Standard |
Rack Rails Location | Cargo Bed |
Cupholder | Standard |
Number Of Cupholders | 2 |
Cargo Bed Material | Polyethylene |
Cargo Bed Tilt | Yes |
Integral Tie-Down Hooks | Yes |
Bed Length (in/mm) | 34 / 863.6 |
Bed Height (in/mm) | 11 / 279.4 |
Bed Width (in/mm) | 45 / 1143 |
Bed Capacity (lbs./kgs.) | 500 / 226.8 |
Lighting System and Visibility Enhancements
The 2021 Hisun Sector 550 EPS is equipped with an advanced lighting system designed to enhance safety and visibility, particularly during low-light conditions. The headlight and taillight types and specifications play a crucial role in improving the overall lighting and visibility features of this utility vehicle.
The Hisun Sector 550 EPS features a standard halogen headlight, offering reliable illumination for nighttime driving and low-light situations. In addition, the taillights are designed to provide clear visibility to other drivers and enhance the overall safety of the vehicle.
- Standard halogen headlight for reliable illumination
- Taillights designed to enhance visibility and safety
Convenience and Additional Features
The 2021 Hisun Sector 550 EPS comes equipped with several convenience features that enhance the user experience for daily use and utility tasks. These features are designed to provide practical solutions and improve overall usability, making the Sector 550 EPS a versatile and user-friendly vehicle for various applications.
- Power Outlet
- Adjustable Levers
- Seat Belts
These features provide added convenience and safety, allowing users to power electronic devices, adjust levers for optimal comfort, and secure themselves with seat belts during operation. The inclusion of these standard features ensures that users can operate the Hisun Sector 550 EPS with confidence and ease, whether for work or recreational purposes.
Mounting Options and Custom Attachments
The Hisun Sector 550 EPS comes with various mounting options and custom attachments that can significantly expand the functionality of the vehicle. These options include windshield mounts, plow mounts, cargo carriers, and more. Each of these attachments serves specific purposes, enhancing the versatility of the ATV for different tasks and environments.
- Windshield Mounts: Standard
- Plow Mounts: Optional
- Cargo Carriers: Available