


24V DC electromagnetic clutch with V-belt pulley and Walvoil Group 2 hydraulic pump with 4.1cc displacement, delivering 6.15 L/min at 1500 rpm and 12.3 L/min at 3000 rpm, with a maximum pump pressure of 250 bar.
Product Features:
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4.1cc Group 2 Walvoil Hydraulic Pump with 24V Electromagnetic V-Belt Clutch
The 4.1cc Group 2 Walvoil Hydraulic Pump with 24V Electromagnetic V-Belt Clutch combines a 24 V DC electromagnetic clutch with a 4.1cc Group 2 Walvoil hydraulic gear pump. The reference operating data is shown clearly in the pump performance table below.
Designed for dependable hydraulic power transmission in marine, agricultural, mobile and industrial equipment, including winches, windlasses, service vehicles, tractors and remote hydraulic systems. The pump is supplied with clockwise rotation; an anticlockwise version is available upon request.
Pump Performance - 4.1cc displacement / 78 Nm nominal torque
| Speed | Flow Rate | Maximum Pump Pressure |
|---|---|---|
| 1500 rpm | 6.15 L/min | 250 bar |
| 3000 rpm | 12.3 L/min | 250 bar |
Speeds for reference only. For anything higher or lower than displayed please contact Flowfit.
Assembly Specifications
| Specification | Details |
|---|---|
| Product type | Electromagnetic clutch with 2-groove V-belt pulley and Walvoil hydraulic pump assembly |
| Electrical supply | 24 V DC |
| Pump manufacturer | Walvoil |
| Pump group | Group 2 |
| Pump displacement | 4.1cc |
| Clutch range | 100 Nm |
| Nominal torque | 78 Nm |
| Maximum clutch speed | 5000 rpm |
| Drive arrangement | 2-groove V-belt pulley |
| Pump rotation | Clockwise as supplied; anticlockwise available upon request |
Operating notes
Connect the clutch only to a 24 V DC electrical supply.
Allow a minimum of 20 seconds between clutch connections.
Engage and disengage the clutch with the hydraulic pump in the unloaded position.
Installation guidance
Check coupling alignment carefully and keep the pulley and friction surfaces completely clean, dry and free from oil or grease.
Run the clutch in by engaging and disengaging it several times at speed with the hydraulic pump unloaded.
Do not exceed the stated torque or allow sustained slipping. A slipping condition should not continue for more than 5 seconds, as excessive heat can damage the clutch coil.
Product selection
Confirm the required voltage, pump group, displacement, reference flow rate, maximum pump pressure, torque and pump rotation before ordering. Contact the Flowfit technical team for assistance matching the assembly to your hydraulic system.
General delivery information
Thank you for visiting and shopping at www.flowfitonline.com. Below are the terms and conditions for the Shipping Policy for Harrier Fluid Power Ltd T/A Flowfit.
Orders are processed and shipped during standard working hours (08:30–17:00 BST), Monday to Friday (excluding Bank Holidays). All orders placed before 4pm Monday to Thursday and 3pm on Friday are normally processed and despatched on the same business day, subject to stock availability.
Build and assembly orders may require additional processing time. This includes, but is not limited to, hydraulic power units, gearbox and pump assemblies, hydraulic hose assemblies, and motor/engine pump sets. Due to current demand, these types of orders are currently experiencing an estimated additional 2–3 working days before despatch.
During periods of particularly high order volumes, delivery times may be extended further. Please allow additional time in transit for delivery once your order has been despatched.
If your order is extremely urgent and next-day delivery is critical, please contact our Sales Team before placing your order. We will do our best to accommodate your requirements and advise whether we can meet your requested delivery date.
If there will be a significant delay to your order, we will contact you via email or telephone.
United Kingdom delivery rates & estimates
| Service | Price | Terms |
|---|---|---|
| FREE Delivery | FREE | Free UK delivery is available for orders over £99.99+ VAT. Delivered in 1 -2 working days. |
| Express Delivery | £9.99 + VAT | UK Mainland delivery for orders under £99.99 + VAT. Delivered in 1 -2 working days. |
| Express 9am | £42.95 + VAT | Delivered by 9am next working day. |
| Express 12pm | £20.95 + VAT | Delivered by 12pm next working day. |
| Channel Islands | ||
| Standard Delivery | £20.95 + VAT | Delivery in 2–3 working days. |
| UK Highlands & Isles | ||
| Order value below £99.99 + VAT | £31.95 + VAT | Delivery in 2–3 working days. |
| Order value over £99.99 + VAT | £28.95 + VAT | Delivery in 2–3 working days. |
* Overnight delivery is only available for certain delivery addresses within the United Kingdom. Please contact us beforehand to confirm eligibility.
Email sales@flowfitonline.com or call 01584 876 033.
Collection: Customers are welcome to arrange collection using a courier of their choosing, or collect in person from our depot in Ludlow, Shropshire. Please advise us in advance so we can ensure your order is complete before collection.
International delivery rates & estimates
Shipping charges depend on weight and destination country and are calculated and displayed at checkout. Orders for delivery within the EU typically arrive on a 2–5 day service (depending on the destination). Shipments outside the EU typically arrive on a 3–7 day service (depending on the destination).
Please contact our Sales team for accurate delivery times. If your parcel has not arrived within the expected timeframe, please get in touch. Please ensure the shipping address entered at checkout is correct; we are not responsible for incorrect or undeliverable addresses.
Customs, duties and taxes
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling costs. These charges are the buyer’s responsibility. You may check with your country’s customs office to determine any additional costs.
By placing an international order (shipping outside the United Kingdom), the buyer is responsible for complying with their country’s laws, regulations, and restrictions. If a product is seized and destroyed by customs, we will not be responsible for losses, products, or shipping refunds.
Shipment confirmation & order tracking
You will receive a Shipment Confirmation email once your order has shipped, containing your tracking number(s). Tracking will be active within 24 hours.
Working closely with top carrier experts
We use some of the top carrier companies in the world, although you can also use your own carrier to collect your order. All deliveries require a signature on delivery. Below are our main carrier companies.

Damages
Harrier Fluid Power Ltd T/A Flowfit is not liable for products damaged or lost during shipping. If you receive your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
Returns policy
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.
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