Ultraflex UP33F Steering Pump 8M0056141

Overview

The Ultraflex UP33F steering pump is the top-of-the-line model in the UP series, with a displacement of 33 cm³. It is specifically designed for dual-motor configurations paired with two UC128 cylinders. Its high displacement ensures reduced steering effort even in the most demanding applications.

Technical Specifications

ULTRAFLEX UP33F Pump

• For use in dual-motor configurations with UC128 cylinders
• Number of turns port/starboard with 1x UC128 actuator: 4.7 turns
• Number of turns port/starboard with 2x UC128 cylinders: 6.5 turns
• This hydraulic tiller is a standard 39 cm³ model with compression fittings.
• The shaft is made of anodized steel with a composite reservoir.
• The pressure relief is 1000 PSI for high-torque applications for improved performance.

Recommended operating conditions

The UP39F pump is designed for twin-engine boats equipped with two UC128 cylinders. With a single UC128 cylinder, it provides 3.2 turns lock-to-lock—very responsive for sporty driving. With two cylinders, it offers 6.5 turns for smoother, more precise steering. Complete system bleeding is required during installation.

Technical benefits

• 33 cm³ displacement: smooth steering even on high-power twin-engine installations
• 1,000 PSI relief: hydraulic protection under extreme loads
• Marine-certified Ultraflex construction: durability under heavy-duty conditions

Usage and Maintenance Tips

• Flush the entire hydraulic system after installation
• Check the hydraulic fluid level before each season
• Inspect both hose circuits independently on twin-engine installations
• If the steering becomes stiff, check each cylinder separately