The Ifor Williams HB506 is a premium double horsebox engineered with the safety, comfort, and transport security of your horses as the absolute priority. Combining the much-loved, legendary build qualities of the Ifor Williams range with continuous design enhancements, the HB506 stands as one of the safest and strongest horsebox trailers on the market. It is specifically configured to transport two horses up to 16.2hh in absolute comfort.

The trailer features a striking exterior profile designed to complement popular modern 4x4 vehicles. Beneath its sleek appearance lies a highly resilient structural frame utilising a hot-dipped galvanised steel chassis and robust side panels. This standard factory build comes exceptionally well-equipped, complete with integrated sliding side windows, a side-mounted spare wheel, a full centre partition, and two sets of adjustable breast and breeching bars. Relying on the signature Ifor Williams heavy-duty beam axles and leaf-sprung suspension system paired with 165R13C high-load commercial tyres, it delivers a remarkably quiet, smooth, and stable ride. 

Technical Specifications

• Maximum Horse Size: Suitable for two horses up to 16.2hh

• Gross Vehicle Weight: 2600kg

• Unladen Weight: 920kg

• Payload Capacity: 1680kg

• Internal Dimensions: 3.16m Length x 1.67m Width x 2.26m Headroom

• Overall Exterior Dimensions: 4.30m Length x 2.13m Width x 2.75m Height

• Stall Dimensions: 83cm Stall Width | 1.48m to 1.86m Stall Length (Min/Max)

• Breeching Bar Height: Adjustable between 111cm and 132cm

• Tyre/Wheel Specification: 165R13C Heavy-Duty Commercial Wheels

• Standard Infrastructure: Sliding side windows, spare wheel, centre partition, 2x breast bars, and 2x breeching bars

Optional Equipment & Accessories

We supply and install genuine factory components to further configure the HB506 to your specific stable or travel requirements. Select from the options below to view full specifications:

• [Ifor Williams Wheeled Tack Pack] – Pricing on request

• [Ifor Williams Door Mounted Tack Pack] – Pricing on request

• [Ifor Williams Centre Head Partition] – Pricing on request

• [Ifor Williams Full Width Breast & Breeching Bars] (Pair) – Pricing on request

• [Ifor Williams Sliding Hay Net Rail Kit] – Pricing on request

• [Ifor Williams Front Window Protection Bars] – Pricing on request

• [Ifor Williams Heavy-Duty Rear Prop Stands] (Pair) – Pricing on request

• [Ifor Williams Lockable Spare Wheel Carrier] (Padlock not included) – Pricing on request

• [Ifor Williams Interior Stowage Net] – Pricing on request

• [Ifor Williams Heavy-Duty Wheel Chocks] (Pair) – Pricing on request

• [Premium Weatherproof Trailer Cover] – Pricing on request

Equestrian & Commercial Pricing

• Manufacturer RRP: £7,018.00 + VAT

Why Buy from Blains Trailers & Tyres?

• Stock & Rolling Allocation: We maintain a regular supply of the HB506 series at our depot. Units are frequently available for prompt yard collection or forward-ordering from upcoming factory shipments, allowing you to secure premium equestrian transport while bypassing standard manufacturer backlogs.

• Geographic Coverage: Based in Great Gaddesden (HP1 3BZ) near Hemel Hempstead, our depot directly serves equestrian operators, competitive riders, and commercial stables across Hertfordshire, Bedfordshire, and Buckinghamshire. We also act as a primary, trusted supplier for customers sourcing specialist trailers across the wider region to our West and South West, including Oxfordshire and Berkshire.

• Collection Logistics: Handover and collection are arranged directly from our main yard. Our team will ensure the unit is fully prepared, safety-checked, and correctly coupled to your towing vehicle upon arrival.

• Part-Exchange Program: Contact our sales team to arrange a trade-in appraisal and asset valuation against this model.

To confirm current yard availability, reserve an incoming unit, or request a formal part-exchange quotation, please contact the sales office on 01442 842419 or submit an enquiry using the secure form below.