What is a QHG50 Power Take-Off (PTO)?
The QHG50 Power Take-Off is a heavy-duty, gear-driven device that mounts to the vehicle's transmission. It provides a dedicated output shaft to drive auxiliary equipment, enabling functions like dump body lifting, refuse compaction, or fluid pumping, without requiring a separate engine or motor. Supplied by Xi'an Yuesheng Xingyao Trading Co., Ltd.-a professional supplier of this critical component-it is engineered to transfer reliable mechanical power from commercial vehicle engines to auxiliary equipment. Built for robust performance and seamless integration, the QHG50 PTO ensures efficient power extraction for hydraulic systems, pumps, and other onboard machinery in dump trucks, garbage compactors, and various specialized vehicles.
Product Specifications
|
Parameter |
Value/Description |
|
Model |
QHG50 |
|
Type |
full power multi-speed ratio actuator |
|
Mounting |
Flange installation, compatible with standard gearbox interface |
|
Operation |
Pneumatic control (standard), with optional manual or electric control |
|
Max Input Torque |
500 Nm (Refer to similar products) |
|
Output Speed |
Proportional to engine speed, with common speed ratios of 1:1 or custom |
|
Output Shaft |
spline shaft (specifications such as 10T,22T, etc., to be confirmed) |
|
Lubrication |
splash lubrication or forced lubrication |
|
Weight |
Approximately 25-40 kg (depending on the configuration) |
Product Features
Robust & Durable Construction: Built with high-strength alloy gears and precision bearings to handle high torque loads and continuous operation.
Smooth Engagement: The pneumatic (or optional) actuation ensures reliable and shock-free power engagement, protecting both the PTO and driven equipment.
Compact & Integrated Design: Engineered for easy mounting on various transmission models, saving space and simplifying the driveline layout.
Efficient Power Transfer: Optimized gear design minimizes power loss, ensuring maximum power delivery to auxiliary equipment.
Wide Compatibility: Designed to interface with common transmission models used in medium to heavy-duty trucks and special vehicles.
Reliable Sealing: Multiple sealing points prevent oil leaks and contamination ingress in dusty or wet environments.
Low Maintenance: Durable design and quality components require minimal routine maintenance, reducing total cost of ownership.
Product Applications
Dump Truck Hydraulic Systems (for lifting the cargo body)
Garbage/Refuse Compactor Trucks (to power the packing mechanism)
Sewer & Vacuum Tanker Trucks (to drive the vacuum pump)
Concrete Mixer Trucks (to rotate the mixing drum)
Mobile Crane & Aerial Work Platform
Snow Plow & Salt/ Sand Spreader Trucks
Product Details
Precision-Machined Gears: Helical or spur gears for smooth and quiet power transmission.
High-Capacity Bearings: Tapered roller bearings to support substantial radial and axial loads.
Durable Housing: Cast iron or aluminum alloy housing provides strength and heat dissipation.
Engagement Mechanism: Internally mounted shift fork and durable clutch teeth for reliable engagement.
Sealed Connections: High-quality oil seals and gaskets at all critical interfaces.
Productifications & Evidence
The QHG50 PTO is manufactured to meet the demands of commercial vehicle applications:
Quality System: Produced under IATF 16949 or ISO 9001 quality management systems, ensuring automotive-grade standards.
Performance Testing: Each unit undergoes run-in testing to verify smooth operation, engagement function, and absence of leaks.
Durability Validation: Key components like gears and bearings are selected and tested based on torque and cycle life requirements.
Material Certification: Critical materials are traceable and comply with specified mechanical and chemical properties.
Considerate Services
We provide comprehensive support for your PTO integration:
Pre-Sales Consultation: Assist in confirming the compatibility of the QHG50 with your specific vehicle transmission model and auxiliary equipment requirements.
Technical Data: Provide installation dimensions, torque specifications, and recommended lubrication details.
After-Sales Support: Supply installation guidance, troubleshooting advice, and genuine spare parts when needed.
FAQ
Q: What does the model "QHG50" indicate?
A: In typical PTO nomenclature, "QH" often denotes the series or manufacturer's code, "G" may indicate a specific design or gear ratio, and "50" is frequently associated with the nominal input torque rating (e.g., around 500 Nm) or a series identifier. Always confirm exact specifications with the datasheet.
Q: Is the QHG50 a 6-bolt or 8-bolt PTO? What is the mounting interface?
A: The specific bolt pattern (e.g., SAE 6-bolt or 8-bolt) and interface must be confirmed against your transmission's PTO opening. We can assist in matching based on your transmission model number.
Q: Can the engagement be controlled automatically?
A: Yes, the standard pneumatic control can be easily integrated with the vehicle's existing air system and controlled via a dash switch. It can also be linked to the hydraulic system's control circuit for automatic engagement.
Q: What is the recommended service interval?
A: Regular checks of the oil level (if applicable) and listening for unusual noises are recommended. Follow the vehicle's maintenance schedule, typically inspecting the PTO linkage and seals every time the transmission oil is changed.
Q: What should I do if the PTO won't engage or disengage properly?
A: Common causes include: low air pressure (for pneumatic types), issues with the control valve or dash switch, damaged shift linkage, or internal wear. Check the air supply and controls first before inspecting mechanical components.
Q: Is the output shaft rotation clockwise (CW) or counter-clockwise (CCW)?
A: The rotation direction is typically determined by the transmission's internal gearing and the PTO's own gear design. It must be specified when ordering to match the driven equipment's requirement.
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