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John Deere RSX 850i Blends Utility and Sport in a Single UTV
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The RSX Series and John Deere’s Entry into Sport UTVs
John Deere, a company founded in 1837 and globally recognized for its agricultural and construction equipment, made a bold move in 2012 by entering the sport utility vehicle market with the RSX series. The RSX 850i was designed to compete with performance-oriented side-by-sides like the Polaris RZR and Can-Am Commander, while still retaining the rugged utility DNA that defines the John Deere brand.
Unlike traditional Gator models built for farm and worksite use, the RSX 850i was engineered for recreational riders who wanted speed, handling, and trail capability without sacrificing durability. It marked a shift in John Deere’s strategy, targeting outdoor enthusiasts, hunters, and landowners who needed a machine that could haul gear and still rip through wooded trails or desert terrain.
Core Specifications and Performance Profile
The RSX 850i features:
  • Engine: 839cc V-twin, liquid-cooled, four-stroke
  • Horsepower: 62 hp
  • Transmission: CVT with high/low/reverse and engine braking
  • Suspension: Independent double A-arm front and rear
  • Ground Clearance: ~10.3 inches
  • Top Speed: ~53 mph
  • Payload Capacity: ~400 lbs in cargo box
  • Towing Capacity: ~1,200 lbs
  • Wheelbase: ~77.8 inches
The engine, developed in partnership with Italian manufacturer Piaggio, delivers strong mid-range torque and smooth acceleration. The CVT transmission includes a centrifugal clutch and a belt-driven system that provides consistent power delivery and engine braking on descents.
Terminology Notes
  • CVT (Continuously Variable Transmission): A belt-driven transmission that adjusts gear ratios seamlessly based on speed and load
  • Engine Braking: A feature that slows the vehicle using engine resistance rather than relying solely on brakes
  • A-arm Suspension: A type of independent suspension using wishbone-shaped arms for better wheel articulation
  • Payload: The maximum weight the vehicle can carry in its cargo area
  • Side-by-Side (SxS): A type of off-road vehicle with side-by-side seating for two or more passengers
Ride Quality and Handling Characteristics
The RSX 850i was praised for its responsive steering and stable cornering. With a wide stance and low center of gravity, it handles uneven terrain with confidence. The suspension system absorbs trail chatter and moderate jumps without bottoming out, making it suitable for both trail cruising and light-duty hauling.
In 2015, a hunting outfitter in Montana used the RSX 850i to transport clients and gear across rocky ridgelines and muddy creek beds. The machine’s traction and ground clearance allowed it to navigate terrain that would have stopped a conventional ATV, while the enclosed cab and optional roof kept riders protected from the elements.
Common Issues and Maintenance Considerations
Like any high-performance UTV, the RSX 850i has its quirks:
  • CVT Belt Wear
    Aggressive riding or heavy towing can accelerate belt wear. Replace every 1,000 miles or sooner if slipping occurs.
  • Electrical Connectors
    Exposure to moisture can cause corrosion in wiring harnesses. Use dielectric grease and inspect connectors quarterly.
  • Suspension Bushings
    High-impact use may wear bushings prematurely. Check for play and replace as needed to maintain steering precision.
  • Cooling System
    Mud and debris can clog the radiator. Clean fins regularly and monitor coolant levels during hot weather operation.
Routine maintenance includes:
  • Oil changes every 50 hours
  • Air filter cleaning every 25 hours in dusty conditions
  • Brake inspection every 100 hours
  • Greasing suspension pivots monthly
  • Checking tire pressure before each ride
Customization and Accessories
John Deere offered a range of factory accessories for the RSX 850i:
  • Winch kits up to 4,000 lbs
  • Full cab enclosures with windshield and roof
  • LED light bars and brush guards
  • Rear cargo racks and gun mounts
  • Audio systems and GPS units
Aftermarket support also grew, with lift kits, performance exhausts, and upgraded clutch kits available from third-party vendors. Many owners modified their RSX units for trail racing, overlanding, or specialized work tasks.
Market Reception and Legacy
While the RSX 850i didn’t outsell its competitors in volume, it carved out a loyal following among John Deere enthusiasts and landowners who valued build quality and brand consistency. Its blend of sport and utility made it a unique offering in a crowded market.
Production of the RSX series was eventually phased out in favor of newer Gator models with enhanced comfort and emissions compliance. However, used RSX 850i units remain popular in the resale market, often commanding premium prices due to their durability and low-hour availability.
Conclusion
The John Deere RSX 850i stands as a bold experiment in blending sport performance with utility toughness. With its powerful V-twin engine, agile suspension, and trail-ready features, it proved that green and yellow could run with the fastest machines in the woods. For riders who wanted more than just a workhorse, the RSX delivered adrenaline and reliability in equal measure.
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