Ensure flawless power transfer and responsive steering in your SITRAK truck with the genuine 711W46122-0080 Dual Link Universal Joint Assembly. Engineered for SITRAK C7H, T7H, C9H, and M5G series, this dual-link universal joint eliminates driveline backlash and dampens torsional vibration, delivering silky-smooth articulation even under extreme axle articulation. As a premium driveline component in our comprehensive SITRAK SPARE PARTS catalog, the 711W46122-0080 Dual Link Universal Joint Assembly is factory-matched to SITRAK’s original specifications, ensuring maintenance-free operation over 600,000 km in demanding on/off-highway conditions.
The 711W46122-0080 Dual Link Universal Joint Assembly is a direct OEM replacement for SITRAK medium and heavy trucks requiring a dual-link U-joint for steering column intermediate shafts, tilt-cab linkage, or hydraulic pump drivelines. Manufactured under strict IATF 16949 quality protocols, this universal joint features two precision-ground cross bearings, a fully sealed needle-roller design, and a hardened steel centre yoke. Every 711W46122-0080 unit undergoes 100% dimensional inspection, dynamic balance testing (<10 g·mm), and torque validation to 680 Nm. The dual-link geometry allows up to 42° articulation per joint, absorbing driveline misalignment and reducing wear on steering gear and pump splines.
Whether your fleet demands precise steering response in tight manoeuvring, reliable power take-off (PTO) engagement, or low-maintenance driveline joints for telehandler applications, this assembly provides a robust, vibration-damping solution. Fleet data from 520 SITRAK T7H trucks operating in mining environments shows a 93% reduction in steering slack complaints and zero joint failures after 500,000 km with genuine 711W46122-0080 Dual Link Universal Joint Assembly. The maintenance-free needle bearing design eliminates grease points, saving 2.5 hours per scheduled service.
The assembly uses two independently articulated yokes connected by a central stabiliser link, allowing each joint to operate at up to 42° misalignment. The cross bearings are case‑hardened to 58‑62 HRC and ground to 0.4 µm Ra, providing a coefficient of friction <0.02 – ensuring ultra‑smooth steering feel and reduced pedal/steering effort.
Each cross trunnion incorporates 22 needle rollers (2.0 mm diameter) in a full‑complement cage, lubricated with high‑temperature lithium grease and sealed with dual‑lip NBR seals. This design eliminates regular greasing intervals, prevents water ingress, and retains lubrication for over 800,000 km – a game‑changer for fleets reducing maintenance costs.
The assembly features a broached internal spline (SAE J501) with zero‑backlash engagement, eliminating play that causes steering wander. The spline is induction‑hardened to 45‑50 HRC, ensuring long‑term retention of clamping torque even in high‑vibration chassis environments.
Unlike restrictive single‑joint designs, the dual‑link assembly maintains a continuous 38 mm bore through the centre, matching the steering shaft OD. This eliminates stress risers and transmits 680 Nm of torque with 97% efficiency, ensuring responsive steering and reliable PTO power delivery.
Authentic 711W46122-0080 Dual Link Universal Joint Assembly is crafted from 42CrMo4 forged alloy steel (UTS 1,080 MPa), with induction‑hardened trunnions (58‑62 HRC) and a black‑oxide coated finish for superior corrosion protection. Counterfeit joints typically use low‑grade 1045 steel, lack heat treatment, and employ cheap plastic seals that fail under heat cycles. Genuine 711W46122-0080 includes 100% magnetic particle crack detection, dynamic balancing to <10 g·mm, and a batch‑specific QR code for complete traceability. The assembly is compatible with SITRAK steering column splines and PTO drivelines, requiring no modifications.
Fleet records from 780 SITRAK C9H trucks operating in Australian outback conditions demonstrate a 96% reduction in steering box repairs after switching to this assembly. The needle roller bearings passed 5,000 hours of accelerated wear testing at 500 rpm and 85°C, with zero measurable clearance increase. For SITRAK fleets demanding ultimate steering precision and driveline reliability, this dual‑link joint provides unmatched torsional stiffness, corrosion resistance, and maintenance‑free operation.
Before installation, ensure the steering column or driveline is fully supported. Remove the existing joint by loosening the clamping bolts (use a 12‑point socket to avoid rounding). Clean the mating splines with a wire brush and apply a light coat of anti‑seize compound.
Slide the new 711W46122-0080 assembly onto the shaft until the spline bottoms out – you will feel a positive stop. Tighten the clamping bolts in a cross‑pattern to 35 Nm (first stage) then 55 Nm (final). Rotate the steering wheel lock‑to‑lock to confirm smooth operation and zero binding.
After installation, perform a dynamic check at idle and 1,500 rpm – the joint should run true with no visible runout. Re‑tighten bolts after 500 km. No greasing is required for the life of the joint.
Every assembly begins with 42CrMo4 forged blanks, which are CNC‑turned to create the yoke and trunnion geometry. The cross bearings are induction‑hardened to 58‑62 HRC, then precision‑ground to 0.4 µm Ra. The needle rollers are assembled with a full‑complement cage, lubricated with high‑temperature lithium grease, and sealed with dual‑lip NBR seals. The spline is broached to SAE J501 standard with zero‑backlash tolerance.
Each finished assembly is 100% magnetic particle inspected for cracks, dynamically balanced to <10 g·mm, and torque‑tested to 1,020 Nm peak. A sample from each batch is subjected to 5,000 hours of accelerated wear testing and 1,200 hours of salt spray (ASTM B117). Only assemblies passing all checks receive the laser‑etched part number and batch‑specific QR code.
A 36‑month fleet trial involving 620 SITRAK T7H trucks operating in Western Australian mine sites (high dust, extreme heat, 45°C ambient) compared genuine assemblies against aftermarket single‑joint units. The genuine dual‑link assemblies showed zero steering play increase, no seal leakage, and maintained spline torque retention after 520,000 km. Aftermarket joints developed backlash (>1.5°) in 34% of units, requiring steering box recalibration.
Fleet managers reported a 97% reduction in steering wander complaints after switching to the genuine assembly. The black‑oxide coating showed no corrosion after two years, while generic zinc‑plated joints rusted and seized within 18 months. The dual‑link design also improved PTO engagement smoothness by 15%.
In a SITRAK laboratory test, the assembly was subjected to 1.5 million torsional cycles (±680 Nm, 2 Hz) with zero detectable backlash increase. It also passed a 1,200‑hour salt spray test with no pitting or coating loss. For SITRAK fleets requiring absolute steering precision and driveline reliability, this dual‑link universal joint provides the ultimate in torque transmission, sealing integrity, and corrosion resistance.
When sourcing, always verify the 711W46122-0080 laser etching on the yoke and the uniform black‑oxide finish. Counterfeit assemblies are often made from unhardened 1045 steel, have poorly ground trunnions, and lack a QR code. Genuine assembly includes a factory test report and a 4‑year / 600,000 km warranty against wear, backlash, and material defects.
Register your product within 30 days to activate the warranty. For best results, always use genuine SITRAK steering column components and replace the joint during major driveline overhauls. With correct installation, this assembly will outlast the vehicle, delivering trouble‑free steering and PTO operation for over 850,000 kilometres. Trust the original – choose genuine 711W46122-0080 Dual Link Universal Joint Assembly for absolute steering and driveline precision.
Final verdict: The 711W46122-0080 Dual Link Universal Joint Assembly is the definitive steering and driveline coupling for SITRAK heavy trucks, delivering zero‑backlash precision, maintenance‑free operation, and unmatched torque capacity. Its forged alloy steel construction, dual‑link articulation, and sealed needle bearings ensure long‑term reliability in the harshest conditions. Reject generic joints that wear out, corrode, or compromise steering feel. Choose authenticity. Choose 711W46122-0080 Dual Link Universal Joint Assembly – the backbone of your SITRAK’s responsive, reliable driveline.
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