Torsion Axles: Torflex Light Duty

The TORFLEX® suspension system is a torsion arm type suspension which is completely self contained within the axle tube. It attaches directly to the trailer frame using brackets which are an integral part of the axle assembly. The TORFLEX axle provides improved suspension characteristics relative to leaf spring axles through the unique arrangement of a steel torsion bar surrounded by four rubber cords encased in the main structural member of the axle beam.

The wheel/hub spindle is attached to a lever, called the torsion arm, which is fastened to the rubber encased bar. As load is applied, the bar rotates causing a rolling/compressive resistance in the rubber cords. This rotating action provides the same functionality as conventional sprung axles with several operating advantages including independent suspension.

Except for periodic inspection of the fasteners used to attach the TORFLEX axle to the vehicle frame, no other suspension maintenance is required on TORFLEX axles. They are, of course, subject to the maintenance and inspection procedures regarding brakes, hubs, bearings, seals, wheels, and tires as outlined in Dexter’s current Operation Maintenance Service Manual (available below).

• #13 & #13T TORFLEX®
• Complete service manual
• Precision machined steel spindles and integral cast iron hub/drums
• Standard oil bath lubrication; grease or NEV-R-LUBE® option
• Press-in wheel studs, 9/16" or 5/8"
• Hydraulic brakes are available with and without parking feature
• Hydraulic brakes – uni-servo and duo-servo available
• Hydraulic disc brakes available
• 12 1/4" x 3 3/8" self-adjusting electric and hydraulic brakes
• Inner wiring system for easier installation and protection of brake wiring
• Heavy wall 3 1/2" diameter tube
• Straight or Drop spindles (4" drop only)
• High quality alloy steel springs in a variety of capacities
• Single, tandem or triple axle assemblies with equalized suspensions
• Totally rubber-cushioned for smooth, quiet, independent ride
• Easy installation with less maintenance
• Less transfer of road shock which insulates cargo from road shocks and vibration
• Rubber cords compounded for maximum dependability and durability
• Load-carrying cross member
• Self-damping action
• Independent wheel suspension system
• 10 year limited warranty on suspension system
• Low profile for maximum road clearance
• Various starting angles to control trailer height
• High and low profile brackets with optional mounting brackets are available
• Rubber cushioning eliminates metal-to-metal contact
• Shock absorption provided by the natural hysteresis of rubber
• Single or tandem axle assemblies
• Durable, wear-resistant components

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