Precision Control for Marine Autopilot Systems

The Furuno PUMPLA11-12 Linear Drive Unit is a high-performance actuator designed to integrate seamlessly with autopilot systems in vessels equipped with mechanical steering mechanisms. Whether your boat relies on wire, cable, or chain drive systems, this linear actuator delivers precise and efficient steering automation. The unit consists of a rugged hydraulic drive, a durable steering cylinder, and high-quality interconnecting hoses, ensuring smooth and reliable operation in demanding marine environments.

Heavy-Duty Hydraulic Performance

Built for endurance, the PUMPLA11-12 features a robust hydraulic drive system that provides consistent power and reliability. Its heavy-duty brass cylinder and stainless steel braid-covered hoses enhance durability, while the balanced cylinder design ensures efficient force distribution for optimal steering control.

Key Technical Specifications

• Cylinder Material: Heavy-duty brass
• Bore & Stroke: 2” bore x 11” stroke
• RAM Size: 1.5” x 9”
• Hoses: Stainless steel braid-covered
• Cylinder Stroke & Swept Volume: 9 in. (23 cm) / 13.1 cubic in. (215 cc)
• Cylinder Thrust (500 psi): 785 lbs (356 kg)
• Motor Voltage: 12VDC
• Average Motor Current: 3-6 Amps
• Solenoid/Clutch Current Draw: 1.5 Amps (12V) / 0.75 Amps (24V)
• Hard Over Time (HOH): ~13 seconds
• Max Rudder Torque (@ 8 in. shaft to tiller bolt distance): 6280 in. lbs. (710 Nm)

Compact and Rugged Design

Designed to withstand harsh marine conditions, this actuator offers a compact yet rugged build, making it ideal for vessels requiring precise autopilot control. The unit is engineered to deliver a balance of power and efficiency, ensuring smooth and responsive steering.

Compatibility with Autopilot Systems

The PUMPLA11-12 is designed to be a direct equivalent to leading autopilot linear drive models, including:

• Raymarine Equivalent: TYPE 1 (For boats up to 22,000 lbs / 10,000 kg displacement)
• Simrad Equivalent: HLD350

Highlights

• Integrates seamlessly with autopilot systems for enhanced steering control
• Durable brass cylinder and stainless steel-reinforced hoses for marine-grade durability
• Compact, rugged hydraulic drive unit for space-saving installation
• Provides precise and efficient steering for mechanical systems
• Compatible with Raymarine and Simrad equivalent linear drives

The Furuno PUMPLA11-12 Linear Drive Unit is a reliable choice for boat owners seeking a durable and high-performance solution for autopilot-assisted steering.