Tipping Kit

The components of a tipping kit include a hydraulic tank, hydraulic pump, tipping valve, and a pneumatic controller in the cab. Optional items: power take-off (PTO), PTO switch, indicators, and hose kit. Since vehicle layouts vary, it is advisable to have the hoses custom-made during installation. We offer tipping system installations at our specialized workshop. We properly adjust the pressure relief valve for the tipping cylinder, establish the connection with the trailer, and guarantee flawless, error-free operation.

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Hydraulic Tipping Kits

Hydraulic tipping kits provide the hydraulic power needed to operate the tipping platform or body of a tipper truck or trailer.

The system consists of a hydraulic pump, hose and fitting kit, hydraulic tank, tipping valve, and cross member. The hydraulic tipping kit never includes mechanical components, such as body parts (e.g., swivel pins, tipping cups, cross members, hydraulic cylinders, PTO, etc.). Since hoses and fittings are often vehicle-specific, in many cases, these must be purchased separately for the specific vehicle.

At MPH Ltd., we recommend our hydraulic tipping kits to be installed on vehicles, with PTO installation on the gearbox if necessary.

The tipping valve must be equipped with a pressure relief valve. This ensures that the cylinder is not supplied with pressure exceeding the limits set by the manufacturer, which could cause severe damage. Excessive hydraulic pressure can push out the seals from the cylinder’s components, potentially causing the cylinder to collapse, which could lead to serious injury or damage. Too much pressure can also mechanically deform the cylinders, causing them to "bulge."

The pressure relief valve in the tipping valve can be either cartridge-type or adjustable. The advantage of a cartridge-type valve is that it cannot be tampered with by an unqualified person (or someone who thinks they are qualified). This system is ideal for tipper trucks, but if the vehicle needs to tow a trailer with a different type of hydraulic cylinder, this would require significant modifications and retrofitting in a hydraulic workshop. We prefer adjustable systems that can be sealed and, if needed, adjusted by a professional without additional purchases. Tipping is controlled from the cab via a proportional pneumatic tipping control valve, which automatically disconnects the PTO during lowering if it is not computer-controlled. Some prefer a simple on/off switch, which is a cheaper option but often less practical.

Hydraulic cylinders on tipper vehicles are almost exclusively telescopic. Depending on the placement, they can be located under the platform—allowing for three-way tipping—or they can be front-mounted, which offers a longer stroke but only allows rear tipping.

MPH Ltd. supplies all types of hydraulic cylinders, whether telescopic or double-acting.

When purchasing a hydraulic kit, it’s important to consider the capacity of the hydraulic tank, as well as its material (steel, aluminum, or stainless steel). If the tank doesn’t hold enough oil, the lifting will stop when the oil runs out, or worse, the hydraulic pump could run dry, leading to damage. We recommend a 150-liter tank, which is generally suitable for fully extending front-mounted cylinders, but this should always be checked in advance. In some cases, stroke limitation can be applied based on the hydraulic tank’s capacity. The tipping valves we supply are capable of end-position limitation. Larger tanks require more space on or within the chassis, which can sometimes be problematic, making a smaller tank more practical for smaller volume cylinders. Higher-pressure systems can deliver the same thrust with smaller cylinder diameters, reducing cylinder volume. However, in higher-pressure systems, piston pumps are recommended over the more affordable gear pumps.

The tipping speed is determined by the flow capacity of the hydraulic pump. With gear pumps, increasing the size reduces the permissible pressure, a detail often overlooked. Overloading can significantly reduce the lifespan of the pump or lead to sudden failure.

As you can see, setting up a tipping system requires careful attention, not to mention the issues that may arise during installation, such as incorrect pump rotation direction or space limitations that the installer must creatively resolve. There are pre-packaged, low-cost tipping kits that focus on affordability rather than usability. At MPH Ltd., we offer the most optimal solution for the customer, including purpose-built tipping kits tailored to their needs.

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