UP28 F Pump features:
• Compact design
• Ball bearing piston race
• Built-in lock valve for positive rudder lock
• Integral relief valve for over-pressure protection
• 3/4” tapered stainless steel shaft
• Easily accessible lock valve and shaft seal for replacement
• Cast iron rotor for greater durability and longer life
• Includes 90° adjustable fittings for 3/8” tube
• X64 - 40198C square flange or X57 - 39464P round flange permit to install the pumps in an intermediate dashboard position.
• Tilt mechanism: X72 - 43140K - Tilt range of 60° and five locking positions

Specifications:
Mounting: Front Mount
Displacement/Revolution: 28 cc - 1.7 cu.in
Number of pistons: 5
Relief Valve Setting: 70 Bar - 1000 PSI
MAx Wheel Diameter: 710mm - 28"
Weight: 5kg - 11lbs

All balanced cylinders: the number of turns lock-to-lock is equal port to starboard and vice-versa.
UC168-I Cylinder Specifications:
Volume: 168 cc - 10.25 cu.in
Torque: 87 kgm - 7565 lbs.in
Output force: 673 kg - 1483 lbs
Inside diameter: 40 mm - 1.57”
Stroke: 178 mm - 7”
3/8” (9,5 mm) Fittings: For high pressure flex hose
Size: A= 178mm, B= 155mm, C= 127mm, D= 512mm, E= 107mm, F= 40mm, G= 105mm.