810W61851-6030_1 stands as the benchmark for hydraulic locking performance in commercial vehicles. Engineered for extreme durability, this HOWO/Sitrak truck parts solution delivers consistent clamping force, reduced wear, and seamless integration with T5G chassis. Whether you operate in mining, long‑haul, or construction, the Hydraulic lock assembly (T5G) ensures your suspension and articulation systems remain flawlessly locked under the most punishing loads.
Built for the T5G platform – the 810W61851-6030_1 hydraulic lock assembly offers an unmatched combination of holding strength, thermal stability, and corrosion resistance. Its compact yet robust design reduces maintenance intervals and improves overall vehicle uptime. Every unit is pressure‑tested to 420 bar and features dual sealing rings for zero‑leak performance.
| Parameter | Value / specification |
|---|---|
| OEM number | 810W61851-6030_1 |
| Product name | Hydraulic lock assembly (T5G) |
| Brand / fitment | HOWO · Sitrak · T5G series |
| Max. working pressure | 420 bar (6090 psi) |
| Locking force (nominal) | 58 kN |
| Fluid type | ISO VG 46 / 68 hydraulic oil |
| Seal material | FKM (Viton®) + PTFE backup |
| Operating temperature | -40 °C … +120 °C |
| Weight (dry) | 18.7 kg ±0.5 kg |
| Mounting interface | M18x1.5 / 4‑bolt flange |
The 810W61851-6030_1 hydraulic lock assembly is not just another replacement part; it is an upgrade. Designed with a high‑flow internal damping orifice, it eliminates pressure spikes and ensures smooth lock engagement even under rapid articulation. The T5G series benefits from reduced chassis stress, better steering response, and predictable handling in off‑road conditions. Field tests show a 32% increase in locking cycle life compared to previous generation locks.
This hydraulic lock assembly directly replaces the original equipment on HOWO T5G, Sitrak C7H, and many heavy‑duty 6×4 and 8×4 configurations. The mounting holes align with standard chassis brackets, and the included O‑ring kit ensures a leak‑free seal in minutes. No adapter plates or modifications are required – a true direct fit for workshop efficiency.
Every 810W61851-6030_1 unit starts with a forged 42CrMo4 steel body, heat‑treated to HRC 38‑42 for optimal toughness. The external surface receives a zinc‑nickel plating with a trivalent passivation layer, exceeding 720 hours of salt spray resistance (ASTM B117). Internal wear surfaces are diamond‑honed to a 0.2 µm RA finish, reducing friction and extending seal life.
The hydraulic lock assembly (T5G) is delivered with a detailed test report, including pressure decay and dimensional verification. Every batch is traceable to raw material certificates.
Unlike generic aftermarket locks, this assembly is specifically engineered for the T5G’s unique suspension geometry. The internal spool valve is tuned to match the chassis damping characteristics, providing a balanced lock‑up that reduces driveline shock. Fleet operators report 18% fewer chassis component failures after switching to this hydraulic lock. Additionally, the modular design allows for quick cartridge replacement without removing the entire assembly – a major time‑saving advantage.
Under normal operating conditions, the 810W61851-6030_1 hydraulic lock requires inspection every 1500 hours of operation. The external wear indicators and bleed port allow for easy pressure checks. With proper care, the unit delivers >8000 hours of reliable service. All seals and O‑rings are commercially available, making rebuilds simple and cost‑effective.
From the Australian outback to the Siberian tundra, the T5G hydraulic lock assembly has proven its mettle. In independent lab tests, the 810W61851-6030_1 maintained consistent locking torque after 5000 thermal cycles between -35°C and +110°C. The anti‑gall coating on the piston rod ensures smooth sliding even after prolonged static load. For operators who demand zero drift and zero compromise, this is the definitive choice.
This hydraulic lock assembly (T5G) is the product of continuous improvement and field feedback. It combines superior materials, precise manufacturing, and a design that prioritizes serviceability. When you choose this HOWO‑grade component, you invest in reduced downtime, safer operation, and long‑term cost savings. The 810W61851-6030_1 is more than a part number – it is a promise of reliability.
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