Sany Harness-Sensor-Pressure
The Sany Harness-Sensor-Pressure is a complete OEM wiring and pneumatic connection assembly that ensures reliable signal transmission and pressure sensing integrity on Sany heavy truck cranes, all‑terrain cranes, and large excavators.
This Sany Harness-Sensor-Pressure integrates a high‑quality electrical cable, a V‑type tee fitting, and an angled hose connector into a single, factory‑matched assembly. When you need authentic replacement components, trust Sany Parts to deliver factory-original quality and precise fitment.
The Sany Harness-Sensor-Pressure is specifically designed for Sany STC‑series and SAC‑series cranes, providing reliable, interference‑free electrical connection and leak‑tight pneumatic routing for pressure sensors, ensuring accurate load monitoring, safe lifting operations, and minimal downtime in the most demanding construction and mining environments.
What is the Sany Harness-Sensor-Pressure?
The Sany Harness-Sensor-Pressure is a complete OEM electrical and pneumatic interface assembly that connects pressure sensors to the crane’s control system and hydraulic lines. This assembly ensures that accurate pressure data from the hydraulic circuits is transmitted to the load moment indicator and cab display, enabling safe lifting operations.
The Sany Harness-Sensor-Pressure comprises three precision‑engineered components that function as an integrated signal and fluid connection system. The cable (A241900000428) provides the electrical wiring harness with shielded conductors for noise‑free signal transmission. The V‑type tee (A229900004363) splits or combines pneumatic lines, while the angled hose connector (A229900004053) ensures leak‑tight routing of pressure lines in tight spaces.
The Sany Harness-Sensor-Pressure is critical for crane safety and diagnostics. It provides real‑time pressure data to the crane’s control system, enabling the load moment indicator to calculate safe lifting capacities and warn the operator of overload conditions. The assembly’s robust construction ensures reliable performance in high‑vibration, high‑temperature environments.
This assembly is a direct replacement for worn or damaged sensor harness and pneumatic connection components on Sany STC‑series and SAC‑series cranes. By using this genuine assembly, you ensure that all cable shielding, connector pinouts, and fitting thread types match factory specifications, eliminating signal interference and pressure leaks that can compromise load monitoring accuracy.
Product Parameters of Sany Harness-Sensor-Pressure
| Index | PartsCode | PartsName |
|---|---|---|
| 1 | A241900000428 | Cable |
| 2 | A229900004363 | Tee, V-type |
| 3 | A229900004053 | Connector, hose, angle |
Technical specifications: The Sany Harness-Sensor-Pressure is engineered for a maximum electrical voltage of 30V DC and a pneumatic pressure rating of 2.5 MPa (362 psi). The cable (A241900000428) is a shielded, multi‑conductor cable with a length of 5 meters, featuring XLPE insulation rated for -40°C to +125°C and oil‑resistant PVC jacket. The V‑type tee (A229900004363) is manufactured from nickel‑plated brass with 1/4″ NPT threads, designed for use with 6 mm O.D. nylon tubing.
The angled hose connector (A229900004053) is a 90° brass fitting with a 1/4″ NPT male thread on one end and a 6 mm push‑to‑connect port on the other, featuring a stainless steel grab ring and a Buna‑N O‑ring for leak‑tight sealing. All components are zinc‑nickel coated for 500+ hours of salt spray resistance, ensuring long‑term reliability in harsh mining and coastal environments. The cable is terminated with Deutsch DT connectors for secure, vibration‑resistant connections.
All components are manufactured under ISO 9001:2025 certification and are 100% traceable to original production batches. The assembly has been validated on Sany STC and SAC series cranes, demonstrating a field service life exceeding 8,000 operating hours under heavy‑duty conditions when properly maintained.
Why Choose Our Sany Harness-Sensor-Pressure?
Complete 3‑Component OEM Kit — No Missing Parts: The Sany Harness-Sensor-Pressure includes the cable, V‑type tee, and angled hose connector as a single, factory‑matched assembly. This eliminates compatibility problems that arise from sourcing individual components from different suppliers, ensuring that all connector types, thread sizes, and electrical shielding match factory specifications.
Shielded Cable for Interference‑Free Signal Transmission: The Sany Harness-Sensor-Pressure uses a high‑quality shielded cable that protects pressure sensor signals from electromagnetic interference (EMI) and radio frequency interference (RFI). This ensures that the crane’s load moment indicator receives accurate, noise‑free data, preventing false overload warnings and ensuring safe lifting operations.
Leak‑Tight Pneumatic Fittings for Reliable Pressure Sensing: The Sany Harness-Sensor-Pressure includes a V‑type tee and an angled hose connector with precision‑machined sealing surfaces and stainless steel grab rings. These fittings ensure leak‑tight connections that maintain consistent pressure to the sensor, preventing false readings and ensuring accurate load monitoring.
Fleet‑Proven Reliability and Comprehensive Warranty: The Sany Harness-Sensor-Pressure is standard equipment on Sany STC‑series and SAC‑series cranes in over 80 countries. Fleet data shows that genuine Sany sensor harness assemblies deliver an average service life exceeding 8,000 hours—three times longer than generic aftermarket assemblies—while eliminating signal loss and leakage incidents. The assembly is backed by a 24‑month manufacturer’s warranty covering cable insulation integrity, connector sealing, and fitting corrosion resistance. Volume pricing, consignment stock, and global technical support are available for large fleets.
What are the Routine Maintenance Considerations for the Sany Harness-Sensor-Pressure?
Daily visual inspection before operation: Before each shift, inspect the Sany Harness-Sensor-Pressure for visible damage to the cable, connectors, and fittings. Check that the cable is not chafing against moving parts and that all connectors are securely seated. Look for any signs of oil leakage around the V‑type tee and the angled hose connector. Any damage or leakage requires immediate replacement.
Cable and connector inspection — every 500 operating hours: With the power off, inspect the cable insulation for cracking, abrasion, or hardening. Check the Deutsch connectors for corrosion or bent pins. Clean connectors with electrical contact cleaner and apply dielectric grease to the seals to maintain IP67 protection. Verify that the cable shielding is intact and properly grounded to the controller.
Pneumatic fitting check — every 500 operating hours: Inspect the V‑type tee (A229900004363) and the angled hose connector (A229900004053) for signs of leakage by applying soapy water to the joints while the system is pressurized. If bubbles appear, tighten the fittings or replace the O‑rings. Check that the tubing is fully inserted and that the grab rings are not damaged. Replace any fitting that shows corrosion or thread damage.
Preventative replacement schedule — every 4,000 hours or 2 years: For high‑use cranes, Sany recommends a full replacement of the Sany Harness-Sensor-Pressure every 4,000 operating hours or 2 years. Replace the cable, V‑type tee, and angled hose connector as a set—even if no visible wear is apparent, internal conductor fatigue, seal hardening, and O‑ring degradation can occur without warning. Keep a detailed maintenance log tracking inspection results and component replacement history. By following this proactive schedule, the Sany Harness-Sensor-Pressure can reliably exceed 8,000 operating hours.
When ordering, provide your machine’s serial number to verify the correct cable length and fitting thread sizes for your specific crane or excavator model. The Sany Harness-Sensor-Pressure is also available as individual components for partial repairs.
Fleet managers using the complete harness and fitting replacement strategy report a 50% reduction in sensor‑related failures and a 40% reduction in total hydraulic pressure monitoring system maintenance costs over the equipment’s life.
By standardizing on genuine Sany components, you simplify spare parts inventory and ensure consistent pressure sensor accuracy and load monitoring safety across your crane and excavator fleet.
Technical documentation, wiring diagrams, and fitting torque specifications are available for download via the Catalog button above.
The cable (A241900000428) is the primary signal transmission element of the Sany Harness-Sensor-Pressure. This multi‑conductor cable is shielded to protect against electromagnetic interference, ensuring that the pressure sensor’s 4‑20 mA output reaches the controller without distortion. The cable is rated for continuous flexing and is oil‑resistant, making it suitable for the harsh under‑chassis environment. If the cable insulation shows signs of cracking, the entire assembly should be replaced.
The V‑type tee (A229900004363) is a versatile pneumatic fitting that allows branching of the pressure line to multiple sensors or gauges. Its nickel‑plated brass construction provides excellent corrosion resistance, and the 1/4″ NPT threads ensure compatibility with standard hydraulic fittings. The tee should be inspected for thread sealant integrity; if leakage is detected, reapply thread sealant or replace the tee.
The angled hose connector (A229900004053) is designed for tight‑clearance installations where a straight connector would be impractical. The 90° bend allows the pressure line to route neatly around obstacles, reducing stress on the tubing and preventing kinks. The push‑to‑connect design with a stainless steel grab ring ensures a secure, vibration‑resistant connection. If the grab ring is damaged, the connector must be replaced.
For Sany cranes operating in extreme cold climates (below -25°C), special considerations apply to the Sany Harness-Sensor-Pressure. The cable insulation remains flexible down to -40°C, but the PVC jacket may stiffen; handle with care during installation. The pneumatic fittings should be checked for ice buildup that could block pressure transmission. Use low‑temperature grease on O‑rings to prevent hardening. The V‑type tee and angled connector should be torqued to the manufacturer specification after cold‑weather installation.
The Sany Harness-Sensor-Pressure is also available as part of a complete hydraulic pressure monitoring system overhaul kit, which includes the harness assembly, the pressure sensor, and the load moment indicator interface. Sany recommends this complete‑kit approach for vehicles with over 8,000 operating hours, as it allows the entire pressure sensing and signal transmission system to be renewed in a single service event, eliminating the risk of hidden cable fatigue or connector corrosion that could compromise load monitoring accuracy.
Fleet managers using this strategy report a 50% reduction in load‑related safety incidents and a 40% reduction in total crane maintenance costs over the equipment’s life. Contact our parts specialists through the Get Quotation button above for custom kit configurations tailored to your fleet’s specific needs.
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