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Head to head

Brian James Race Transporter 5 vs Ifor Williams LM166

The Ifor Williams LM166 is 405kg lighter empty. The Brian James Race Transporter 5 has a bed 23cm longer.

Last reviewed 13 September 2026

Brian James Race Transporter 5
Brian James Race Transporter 5 - image: Trek Trailers
Ifor Williams LM166
Ifor Williams LM166 - image: blains.co.uk

Key differences

Specifications side by side

Brian James Race Transporter 5Ifor Williams LM166
Gross weight3500kg3500kg
Unladen weightfrom 1200kg795kg
Payloadup to 2300kg2705kg
Internal bed5.0m / 5.5m long4.77m x 1.98m
Internal width2.12m-
AxlesTwin-

Sources: Brian James Race Transporter 5, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Race Transporter 5 if...

  • you want one that has a bed 23cm longer

Used by race teams and professional recovery operators moving cars that need slightly more bed length or restraint options than the Race Transporter 4 offers. It remains a twin-axle single-car trailer rather than a multi-car hauler.

Listed by

Full Race Transporter 5 specifications →

Buy or hire the LM166 if...

  • you want one that is 405kg lighter empty

Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.

Listed by

Full LM166 specifications →

Common questions

What is the difference between the Brian James Race Transporter 5 and the Ifor Williams LM166?

The Ifor Williams LM166 is 405kg lighter empty. The Brian James Race Transporter 5 has a bed 23cm longer. The Brian James Race Transporter 5 is a an open twin-axle hydraulic tilt-bed car transporter, longer than the Race Transporter 4; the Ifor Williams LM166 is a a long-bed flatbed trailer.

Which is lighter, the Brian James Race Transporter 5 or the Ifor Williams LM166?

The Ifor Williams LM166. It is 405kg lighter empty than the Brian James Race Transporter 5.

Can I tow the Brian James Race Transporter 5 or the Ifor Williams LM166 on a car licence?

Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.

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