Sherpa 4x4 Grunter Electric Boat Trailer Winch – 12V & 24V
Freight costs for heavy & bulky items includes a tailgate truck cost. If a forklift is available please contact our sales team to discuss.
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For orders outside of Australia contact us for a quote.
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Description
The Sherpa Grunter Electric Boat Trailer Winch is purpose-built for retrieving heavy boats and vehicles onto trailers. Unlike a general-purpose recovery winch, the Grunter combines fast line speeds, strong pulling performance and an electric motor brake in a compact, heavy-duty package designed specifically for trailer retrieval.
Available in 12V and 24V, the Grunter features a powerful 6.6HP series-wound motor, genuine Albright heavy-duty solenoid, IP68-rated construction and corrosion-resistant 316 stainless steel components. A lower-geared HP model is also available for particularly large boats and demanding trailer setups.
IMPORTANT POWER REQUIREMENT
The vehicle engine must be running during winch operation so the alternator is charging the electrical system. The Grunter draws very high current under load and should not be operated from an isolated battery without suitable charging support. Correct electrical installation is essential for reliable winch performance.
Sherpa Grunter Electric Boat Trailer Winch
- Purpose-built for boat and trailer retrieval
- Standard model recommended for boats up to approximately 5,500kg
- HP model recommended for demanding applications with boats approximately 4,500–9,000kg
- Available in 12V or 24V
- Powerful 6.6HP series-wound motor
- Fast line speed for efficient boat retrieval
- Genuine Albright heavy-duty solenoid
- Electric motor brake for controlled operation
- 316 stainless steel fittings, cross members and drum
- IP68 rated
- 10m heavy-duty 50mm webbing strap
- 7m positive power cable supplied
- Waterproof wired hand remote control
- Optional plug-and-play wireless remote
- 5 year warranty
Purpose-Built for Boat Trailer Retrieval
The Sherpa Grunter has been designed specifically for pulling boats and suitable vehicles onto trailers. Rather than simply adapting a conventional 4WD recovery winch, the motor, gearing, braking system and electrical components have been selected around the requirements of trailer retrieval.
This provides a useful combination of pulling performance and retrieval speed, particularly for larger boats where conventional manual or lower-powered trailer winches can be slow.
Standard & HP Models
Standard Grunter: Recommended for boats weighing up to approximately 5,500kg, subject to trailer design, ramp angle, roller arrangement and overall resistance. This model provides a strong balance between line speed and pulling performance.
Grunter HP: Designed for more demanding trailer applications and boats approximately 4,500–9,000kg. The HP model uses lower gearing to increase available pulling force, making it particularly useful where trailer resistance is higher.
The HP model operates at approximately half the line speed of the Standard Grunter due to its lower gearing.
6.6HP Series-Wound Motor
A heavy-duty 6.6HP series-wound motor provides the power required for demanding trailer retrieval. Series-wound motors are well suited to high-load winching applications where strong torque is required.
The winch is supplied with a 7m positive power cable intended to run from the vehicle's electrical system toward the rear tow-bar area.
Electric Motor Brake
The Grunter uses an electric brake located at the motor. The brake releases during powered winching and engages when the control is released, helping provide controlled load holding during normal operation.
The braking system is designed specifically for powered trailer retrieval and should always be operated in accordance with the supplied instructions.
3-Stage Planetary Gearbox
A heavy-duty 3-stage planetary gearbox provides power-in, power-out and free-spool operation. The gearing is configured to balance line speed, pulling performance and electrical current draw for trailer winching.
Corrosion-Resistant Construction
Marine trailer equipment is regularly exposed to water and corrosive environments, so the Grunter incorporates 316 stainless steel fittings, cross members and drum. The aluminium winch body provides strength while helping reduce overall weight.
The winch is also IP68 rated for protection against dust and water ingress.
Genuine Albright Heavy-Duty Solenoid
The Grunter control system incorporates a genuine Albright heavy-duty solenoid designed for high-current winching applications.
The contactor has a stated rating of up to 800A, providing the switching capacity required for the high electrical loads generated during heavy boat retrieval.
Supplied for Installation
- Sherpa Grunter boat trailer winch
- 10m x 50mm heavy-duty webbing strap
- 7m positive power cable
- Heavy-duty vehicle-to-trailer plug set
- Control box with genuine Albright solenoid
- Waterproof wired hand remote
- Winch cover
- Winch and control box mounting hardware and brackets
Professional installation by a suitably qualified auto electrician is recommended due to the high-current electrical requirements of the winch.
Optional Extras
- Plug-and-play wireless remote kit for wireless operation
- 500A continuous-rated battery isolation switch
- Synthetic rope conversion – 12m x 7mm synthetic rope with 9,480lb minimum breaking strength, drum fixing lug and stainless steel hook
Standard Grunter Specifications
| Specification | Standard Grunter |
|---|---|
| Recommended Boat Weight | Up to approximately 5,500kg |
| Maximum Stated Vertical Lift Capacity | 10,000lb (4,545kg) |
| Motor | 6.6HP series-wound motor |
| Voltage Options | 12V or 24V |
| Operation | Power in, power out and free spool |
| Gearbox | 3-stage planetary |
| Webbing | 10m x 50mm heavy-duty webbing strap rated to 11,000lb |
| Mounting Bolt Diameter | 11.2mm |
| Drum Size | 64mm diameter x 50mm length |
| Mounting Bolt Pattern | 87mm x 114.3mm |
| Weight | Approx. 25kg |
| Clutch | 180° turn, free-spooling slide ring gear |
| Brake | Electric motor brake |
| Solenoid | Genuine Albright International heavy-duty solenoid, stated up to 800A |
| Duty Cycle | Intermittent |
| Ingress Protection | IP68 |
| Warranty | 5 Years |
Grunter HP Specifications
| Specification | Grunter HP |
|---|---|
| Recommended Boat Weight | Approximately 4,500–9,000kg |
| Maximum Stated Vertical Lift Capacity | 17,000lb (approx. 7,711kg) |
| Gearing | Lower gearing for greater pulling force |
| Approximate Line Speed | Approximately half the Standard model line speed |
Important: Recommended boat weight and maximum vertical lift capacity are different specifications. Boat retrieval performance depends on trailer angle, rollers or skids, hull position, friction and other installation factors. The vertical lift figure should not be interpreted as the recommended boat weight for trailer retrieval.
12V Standard Model Performance
| Line Pull | Line Speed | Motor Current |
|---|---|---|
| 0lb | 12.5m/min | 75A |
| 1,000lb | 8.6m/min | 125A |
| 2,000lb | 7.3m/min | 185A |
| 4,000lb | 4.7m/min | 245A |
| 6,000lb | 3.7m/min | 325A |
| 8,000lb | 2.8m/min | 375A |
| 10,000lb | 2.1m/min | 425A |
Performance Note: The above performance figures apply to the 12V Standard Grunter. HP model and 24V performance will differ.
Electrical Installation
The high current draw shown in the performance table highlights the importance of correct cable sizing, sound electrical connections and adequate charging capacity.
The supplied 7m positive power cable is intended for installations of a similar electrical run length to a Toyota LandCruiser 200 Series. Larger vehicles or installations with longer cable routes may require longer or differently sized cabling.
The vehicle engine must be running while operating the winch so the alternator is charging the electrical system.
Important Operating Information
The Grunter is an intermittent-duty winch. Allow appropriate cooling periods during demanding or extended retrieval operations and never exceed the rated capacities or electrical limitations of the winch.
Ensure the trailer, winch post, mounting structure, fasteners, electrical system, strap or rope and associated hardware are suitable for the loads involved.
Keep people clear of the winch line and load path during operation and follow the supplied Sherpa installation and operating instructions.