Custom Tang Hydraulic Cylinder Manufacturer
Every cylinder goes through pressure resistance testing before delivery.
MOQ starts from 1 piece, and custom orders typically ship within 10 to 15 days.
Our technical team will review your drawings and provide you with a detailed quotation
Brands We Serve in Hydraulic Industry
Tang Hydraulic Cylinders
Tang hydraulic cylinders have lug supports with pin holes welded onto the cylinder tube; it is fixed to the equipment frame via hinge pins. The cylinder can swing slightly along with the equipment, driven by hydraulic oil, the piston moves the piston rod to perform lifting, pushing and pulling operations. They are widely used on sanitation vehicles, tipper equipment, agricultural machinery and other machines.
We choose the cylinder barrel material based on the working conditions. For high pressure, we use alloy steel, for heavy loads use 27SiMn, have high material strength can handles high pressure well and reduces the risk of barrel deformation. The piston rod is made of CK45 carbon steel, quenched and tempered then hard-chrome plated. It has good machinability, bending resistance and wear resistance to keep equipment running smoothly.
Our trunnion cylinders have reliable welding and a combined boring and honing process, ensuring solid welds and good sealing performance. Custom designs are available based on your drawings.
Your Reliable Supplier of Tang Hydraulic Cylinders
The tang cylinder has a compact overall design, because its special mounting design, the cylinder can swing at a small angle to compensate for angular deviation during equipment operation, to prevent extra side force on the piston rod. This type of cylinder need high welding quality and machining precision.
We have years of experience making trunnion cylinders and have handled projects for dump trucks, sanitation equipment. We analyze actual working conditions to recommend the best trunnion mounting style. For example, rear-end lug mounting is used for heavy-load conditions with large swing angles. It allows the cylinder to swing freely and transfers lateral impact force to the frame, protecting the cylinder for long-term stable operation.
We can custom-make cylinders based on your drawings and working conditions. We’ll do a technical review and give you optimization suggestions if needed, to deliver high-quality hydraulic cylinders.
Tang Hydraulic Cylinders
Applications of Tang Hydraulic Cylinders
Dump Trucks and Tipping Systems
Tang hydraulic cylinders are used on dump trucks. One end of the cylinder is fitted to the truck frame, and the rod end connects to the bottom of the cargo box. Hydraulic oil extends the piston rod to lift the cargo box for material unloading. The box falls back into position by its own weight when the rod retracts. The trunnion mount transfers side forces to the frame, reducing bending stress on the piston rod and extending cylinder service life.
Waste Compaction Equipment & Recycling Machinery
Trunnion cylinders are used in waste compactors, hey move the push plate back and forth. When the rod extends, it pushes the plate to compress the waste and push out the bale. When it retracts, it pulls the plate back to start the next cycle to finish waste compression and discharge. The cylinder has a tie-rod-less, fully welded design with no exposed fasteners, this help lower the risk of dust and corrosive substances getting inside, making them well-suited for dusty and humid landfill conditions.
Forklift Mast and AGV Lifting Platform
Tang hydraulic cylinders are also used in forklift mast systems, the bottom of the cylinder is fixed to the mast via trunnion lugs, it extends and retracts to raise and lower the mast, working with the chain drive to move the forks for faster lifting and lowering. The piston rod is precision-ground and hard-chrome-plated, so the surface is smooth and wear-resistant. This reduces seal wear, prevents leaks, and extends the cylinder’s service life.
Tractor Mounted Implements
Tang hydraulic cylinders are also widely used in agricultural machinery , such as tractors, The extending and retracting piston rod drives the lift arm to raise or lower farm tools, adjusting their working depth for transport and field work. The cylinder surface is zinc-plated and fitted with multi-stage dust-proof seals with secondary lips, this helps keep dust from the field out of the cylinder.
Small-Size Gate Opening-Closing Mechanism
Tang hydraulic cylinders are used in water conservancy and wastewater-treatment facilities，through the piston rod extends and retracts to lift and lower the gate, closing or opening it to stop or resume water flow, they can also be stopped at any point to adjust the flow rate. The tang-mount design takes up little space. It fits well in narrow spaces such as gate wells and improves space utilization.
Mining Crushing Equipment
Tang hydraulic cylinders are used in mineral-crushing equipment. For crushers, the moving piston rod pushes the adjusting wedge to change the discharge opening gap and control the output size of ore. The tang mount design lets the cylinder swing a little when the crusher frame flexes slightly, which stops extra bending stress on the piston and keeps the equipment running reliably.
Tang Weld Cracking Under Cyclic Heavy Loads
The weld joint between trunnion and cylinder barrel bears the piston rod’s push-pull force together with repeated bending loads. If the welding isn’t done right, tiny fatigue cracks can start and slowly spread. These cracks are hardly noticeable at early stage. Once the weld fractures, the cylinder fails, and in severe cases it may cause equipment to fall and create safety accident.
To avoid that, we have strict welding procedures. Before we weld, we will make a qualification check to look at the material and plate thickness, and then choose the right welding settings,preventing hidden risks caused by mismatched parameters from the very beginning. We follow the AWS D14.9 standard for hydraulic cylinder welding, and use double-sided groove multi-pass welding to achieve full penetration at the weld root.
Tang Pin Hole Elongation
The pin goes through the trunnion hole and the mounting bracket to hold the cylinder in place. During operation, the pin and the hole rub against each other and take impact loads. Over time, the hole wears out and the clearance gets bigger. his causes misalignment of the cylinder, creates side-loading force on the piston rod, scratches the rod and damages seals, and may eventually render the whole cylinder useless.
To solve this problem, we select materials according to working conditions. For heavy-duty applications, we use forged 42CrMo alloy steel, which are stronger and more wear-resistant, so they handle impact better and slow down the wear on the pin hole. We also use high-precision machining and keep tight control over the hole diameter tolerances to reduce wear from early impact.
Speed runaway during load lowering
Tang cylinders are widely used in dump trucks, lifting platforms, and similar equipment. After lifting, these machines rely on the load's own weight to lower back down. Oil flows out and circulates back from the cap-end chamber during this process. If the return-oil throttle is not adjusted properly, the load may drop out of control with sudden falling and heavy impact, affecting stable equipment operation.
To solve this, we install an adjustable cushion plunger at the cylinder bottom, when the piston gets near the end, it gradually blocks the return oil passage to slow it down and prevent hard impacts. We also calculate the opening pressure and throttle hole size for counterbalance valves based on equipment load, cylinder size and target lowering speed. This helps match different working conditions and keeps the load descending smoothly and safely at all times.
Certifications
REACH Certificate
ISO 9001 Certificate
ISO 14001 Certificate
Certificate of Conformity
Why Work with Us
Fatigue-Resistant Welded Structure
Precision Mounting Dimension Control
We keep strictly control over pin-hole tolerances to avoid impact wear from excessive clearance, according to customer need to match machine for precise fitting between pin holes and pins.
Full-Process Application Engineering
For customer-provided equipment types and installation space, our technical team will analyze information and recommends optimal mounting positions for better adaptation to on-site working conditions.
Agile Supply Chain Response
We have ample stock of key materials for lug hydraulic cylinders and multiple production lines, the inventory is 1.5 times the monthly consumption, greatly cutting material lead-time and ensuring fast order production and delivery.
How to Customize Your Tang Hydraulic Cylinders
Send Your Drawing
Provide us the detailed drawing or physical sample or critical dimensions, working pressure, mounting details.
Working Environment
Whether the cylinders works in high temperature, humidity, salt spray, dust and high frequency, pressure.
Get Quick Quote
We review all details of drawing and requirements and provide optimization suggestions with our experiences if necessary.
Production Procedure
Integral forging
Turning
Induction hardening
Cylinder barrel turning
Welding
Assembly
Dimensional measurement
Pressure test
Get Free Quote Today!
You'll receive a comprehensive Technical Quote Package, including:
- Customized Quote: Transparent pricing in EXW/FOB/CIF.
- Technical Data Sheet: Material specs, seal brands, and surface treatment details.
- Lead Time & Logistics: Precise production schedule and shipping estimates.