Simrad RPU300 Pump

RPU160 Drive Unit

Hydraulic steering systems are now being used in every category of small vessel. In many respects hydraulic steering is preferable to mechanical steering. Hydraulic systems normally comprise of two main components, a steering wheel pump and steering cylinder(s). The steering wheel pump may be either a gear pump or a plunger pump. Which ever type is installed, steering is achieved by turning the steering wheel in either direction causing oil from the wheel pump to be supplied to the appropriate side of the cylinder. Oil is returned via the opposite side of the cylinder back to the pump.

The linear motion of the cylinder rod is transformed to a rotary motion by the tiller, which turns the rudder shaft and rudder. Check valves (non-return valves) are usually incorporated to prevent the rudder driving the steering wheel pump. If an autopilot is to be included in such a hydraulic steering system, then the oil flow providing the rudder movement must be controlled by electrical signals from the autopilot. The maximum flow rate of RPU300 is 3.0 l/min respectively, measured at a pressure of 10 bar with nominal voltage (12vdc) on the motor terminals.

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We are pleased to announce our new shipping promotions below. These rates apply to your entire order*!

*These offers apply to in-stock orders to the lower 48 states only. We cannot include shipments to Alaska, Hawaii, Puerto Rico or any other US Territory. Please call or email us for rates to these locations. Oversized packages are also excluded for 3, 2, and next day shipping. Items that are shipped freight are also excluded. Because we have many different warehouses around the United States we reserve the right to choose the carrier. Signature service can be requested for $3 extra.

International Customers:

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Please use the shipping calculator for an accurate shipping quote.
We ship via DHL International and USPS. Shipping insurance is optional but recommended and costs $5 for all international orders. Items that can fit in a flat rate envelope are shipped via flat rate service. Please keep in mind that USPS Flat Rate Priority Mail does not include detailed tracking and is not covered by insurance to certain countries. For a list of these countries please email us.

International order processing takes approx. 3-5 business days.
Many countries impose their own customs, duties, tariffs, taxes, etc... on items imported from the USA. We do not cover those costs.

The shipping transit times are approx. as follow: