Timbren Industries ASR35HDSRH 3500 lb Heavy-Duty Axle-Less Trailer Suspension Right Side

The Timbren Industries ASR35HDSRH is the right-hand (passenger side) component of Timbren's 3,500 lb Heavy-Duty Axle-Less Trailer Suspension system. Engineered for demanding off-road trailer applications, this single-side suspension unit eliminates the traditional beam axle entirely, delivering improved ground clearance and an independent suspension geometry that fits virtually any trailer frame width.

At the heart of this system is Timbren's proprietary AEON® progressive-rate hollow rubber spring, which absorbs road shock and supports the trailer's load while delivering a smooth, stable ride regardless of load size. The suspension compresses and becomes progressively stiffer as load increases, while the rebound spring acts as a return device to minimize rattle and bottoming out — keeping constant pressure on the arm so the system is never fully relaxed.

Key Features:

• 3,500 lb rated capacity — optimal operating load between 2,100 and 2,800 lbs (60–80% of rated capacity)
• Heavy-gauge steel construction for durability under the increased demands of off-road use
• Axle-less independent design — each side operates independently for better control and reduced trailer sway
• AEON® rubber jounce and rebound springs for smooth, quiet shock absorption
• Polyurethane bushings at the control arm pivot point for precise alignment and long-term stability
• Included alignment shims allow adjustment of suspension alignment and camber to suit your specific trailer frame
• Built-in camber and toe-in geometry helps the trailer track straight and reduces tire wear
• Black powder-coated steel mounting brackets for corrosion resistance
• Right-hand (passenger side) unit — sold individually

Timbren's axle-less suspension design is built to perform in extreme environments, from desert heat to sub-freezing winters. Mounting hardware is included for a straightforward installation. Note: Hub and brakes are not included with this spindle-only component; compatible hubs and brake kits are available separately.