Precision Autopilot Integration for Mechanical Steering

The Furuno PUMPLA17-12 Linear Drive Unit is designed to seamlessly integrate with autopilot systems, providing precise and reliable control for mechanical steering configurations such as wire, cable, or chain drives. Engineered for durability and efficiency, this linear actuator includes a hydraulic drive unit, a robust steering cylinder, and stainless steel braided interconnecting hoses for enhanced resilience in marine environments. Its compact and rugged design ensures optimal performance, even in demanding conditions, making it an excellent choice for vessels requiring high thrust and dependable steering automation.

Advanced Technical Specifications

• RAM Size: 1.75" x 9"
• Hydraulic Cylinder Type: Balanced design
• Maximum Cylinder Stroke: 12 in. (30.5 cm)
• Swept Volume: 23.5 cubic in. (215 cc)
• Maximum Cylinder Thrust (@ 500 psi): 1045 lbs (474 kg)
• Hard Over Time (HOH): Approximately 14.7 seconds
• Average Motor Current Draw:4-8 Amps (PUMPLA17-12, 12VDC Motor)
• 3-5 Amps (PUMPLA17-24, 24VDC Motor)
• Solenoid/Clutch Current Draw:1.5 Amps (12V)
• 0.75 Amps (24V)
• Maximum Rudder Torque: 10,450 in. lbs. (1181 Nm) (@ ±35° with 10.5 in. rudder shaft to tiller bolt distance)

Durable and Compact Design

Built to withstand the harsh marine environment, this drive unit is equipped with stainless steel braid-covered hoses for superior durability. Its compact construction ensures ease of installation while maintaining the strength required for consistent autopilot operation.

Compatible Equivalent Models

• Raymarine Equivalent: Type 2 Linear Drive (Recommended for boats up to 48,500 lbs. / 22,000 kg displacement)
• Simrad Equivalent: HLD2000L

Key Features at a Glance

• Hydraulic linear actuator for mechanical steering systems
• High-performance, balanced cylinder design for precise steering
• Stainless steel braided hoses for added protection and longevity
• Efficient and compact drive unit for reliable operation
• Compatible with major autopilot brands, including Raymarine and Simrad