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Ford Transit Custom vs Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg)

The Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) is rated 675kg heavier gross.

Last reviewed 13 September 2026

Ford Transit Custom
Ford Transit Custom - image: Ford UK
Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg)
Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) - image: George Smith Horseboxes

Key differences

Specifications side by side

Ford Transit CustomHamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg)
Gross weight3225 kg (320 derivative)3900kg
Payload1079-1207 kg (300 L1H1); 1262-1361 kg (320 L2H1)-
Load volume5.8 m3 (L1H1); 6.8 m3 (L2H1)-
Load length2602 mm (L1H1); 3002 mm (L2H1)-
Towing capacity2500-2800 kg (diesel)-

Sources: Ford Transit Custom, Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg). Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Custom if...

The Transit Custom is the van most UK hire firms stock as their default medium van, and its L1/L2 length and 280/300/320 weight choices cover most trade and removals jobs without stepping up to a large van.

Full Custom specifications →

Buy or hire the Renault Master Horsebox Conversion (3900kg) if...

  • you want one that is rated 675kg heavier gross

This Hamer conversion suits owners who want a van-based horsebox rather than a coachbuilt box, since it keeps the Renault Master's standard cab and drivetrain while adding a horse area behind. It is aimed at buyers who value simpler servicing on a mainstream van base over the extra space of a purpose-built chassis.

Listed by

Full Renault Master Horsebox Conversion (3900kg) specifications →

Common questions

What is the difference between the Ford Transit Custom and the Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg)?

The Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) is rated 675kg heavier gross. The Ford Transit Custom is a medium panel van, Ford's best-selling UK van and the segment benchmark for self-drive hire.; the Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) is a a bespoke horsebox body built by Hamer Horsebox Conversions onto a Renault Master van chassis at 3.9 tonnes..

Can I tow the Ford Transit Custom or the Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) on a car licence?

Hamer Horsebox Conversions Renault Master Horsebox Conversion (3900kg) is rated over 3,500kg gross, which is beyond what a car can tow in the UK.

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