C4 AR fabric seat upper

UnitedSeats C4 AR Fabric Seat Upper – Ergonomic Comfort for Professional Use

Modular design. Back support. Built for all-day comfort.

The UnitedSeats C4 AR seat upper is a robust and ergonomic seating solution designed for integration with a wide range of suspension bases. With a high back profile, built-in mechanical lumbar support, and an adjustable backrest, this seat upper offers a significant upgrade in operator comfort for industrial, agricultural, and construction machinery.

🛠️ Key Features

• High Back Design: Provides upper spine and shoulder support during long operating hours.
• Mechanical Lumbar Support: Adjustable support improves posture and reduces lower back fatigue.
• Adjustable Backrest: Easily adapts to operator preferences and working conditions.
• Fabric Upholstery: Durable UnitedSeats textile trim ensures breathability and long wear life.
• Seat Width: 480 mm cushion fits most cabin layouts comfortably.

🔧 Technical Specifications

• Seat Type: Upper section only (requires compatible suspension base)
• Backrest: Adjustable angle
• Lumbar Support: Mechanical adjustment
• Seat Width: 480 mm
• Trim: UnitedSeats fabric (optional PVC available)

🎯 Optional Features

• Heavy-duty PVC trim (easy to clean, waterproof)
• Adjustable armrests or control pods
• Headrest
• 3-point or 2-point seatbelt
• Operator presence contact switch
• Integrated heating (12V / 24V / 48V)

🚜 Fitment & Compatibility

The C4 AR fabric upper is compatible with a wide range of mechanical and air suspension bases including:

• UnitedSeats mechanical bases: CS85, MGV120, US20
• UnitedSeats air suspension bases: LGV90, LGV120, Voyager Series

It is suitable for use in:

• Tractors (MTZ, Valtra, John Deere, Kubota, Massey Ferguson)
• Compact and medium construction equipment
• Municipal, forestry, and utility vehicles
• Special-purpose off-road equipment

🧭 Final Thoughts

The C4 AR seat upper offers ergonomic upgrades for seat systems that demand modular flexibility. Whether you're retrofitting an existing base or building a new seat setup, this unit delivers proven comfort and professional-grade durability.