The charge relief and loop flushing apparatus on the older models will still be available in the parts manual. The new part numbers are listed above. The older models the swashplate and pivot arm will no longer be available to get as service parts. And these parts are no interchangeable. You will have to put […]
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Sundstrand Series 22 Variable Displacement Motor Read More »
This unit is used on vehicles that have propel transmission. It uses a foot pedal to control it. You can preset speed settings for it to run better, to stop it easily, use the emergency stopping while using a clutch and brake pedals, use the inching implement smoothly and use preset road speeds with foot
On the new models the MDC, the trepan groove has been taken out from the two servo ports on the control. So now you will need washers put into the two servo ports. The washers are put in all the kits now. You will need to put the orings in the servo port outlets. Put
Sundstrand Series 20 Manual Displacement Control Read More »
This change will affect these models, 90-55, 75 and 100cc variable pumps. They added a rubber gripping element on the pin that goes in the main pump housing. It helps in retaining the pin in the housing while in normal pump assy. It also helps in servicing parts, maximizing the interference fit that is between
Sundstrand Series 90-55cc Swashplate Bearing Cage Locator Pin Change Read More »
The new design is a press fit that goes into a groove in the new swashplate. It takes a special kind of machining for this so it will come as a kit. The parts are already assembled and used on 55, 75 and 100cc units. The parts will go in the vintage pumps. But the