Simrad PUMP-3 12V Hydraulic 1.6L Autopilot Pump
The Simrad PUMP-3, 12V Hydraulic, 1.6L is an autopilot hydraulic pump with 12V DC power and a 1.6 L pump size. It drives reversible hydraulic steering for boats up to 50 ft, and installers pair the unit with Simrad NAC-3 autopilot systems.
Technical Specifications
| Brand | Simrad |
|---|---|
| Product category | Autopilot |
| Power | 12V DC |
| Pump size | 1.6 L |
| Pump type | Reversible hydraulic gear pump |
| Cylinder volume range | 160-550 cc; 9.8-33.5 cu.in |
| Weight | 5.73 lb (2.60 kg) |
| Dimensions | 4 x 10 x 4 in (101.6 x 254 x 101.6 mm) |
Compatibility & Applications
- Fits hydraulic-steered boats up to 50 ft.
- Pairs with Simrad NAC-3 autopilot systems.
- Wires to 12V DC marine electrical systems.
- Fits steering cylinder volumes from 160-550 cc.
- Fits cylinder displacement ranges from 9.8-33.5 cu.in.
- Mounts in autopilot hydraulic steering pump installations.
In a NAC-3 autopilot retrofit on a hydraulic-steered boat under 50 ft, the pump connects to 12V DC power and supports 160-550 cc cylinders. Its documented 9.8-33.5 cu.in cylinder range separates it from unspecified hydraulic pump substitutions.







