GetBrent

Head to head

Ifor Williams LM146 vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)

The Ifor Williams LM146 is 10kg lighter empty and carries 10kg more.

Last reviewed 13 September 2026

Ifor Williams LM146
Ifor Williams LM146 - image: blains.co.uk
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) - image: Indespension

Key differences

Specifications side by side

Ifor Williams LM146Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Gross weight3500kg3500kg
Unladen weight735kg745kg
Payload2765kg2755kg
Overall length5.60m-
Overall width2.10m-
Bed4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width)-
Tyres195/60R12C-
Internal size-3.04 x 1.68
Bed height-430mm

Sources: Ifor Williams LM146, Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the LM146 if...

  • you want one that is 10kg lighter empty
  • you want one that carries 10kg more

The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.

Listed by

Full LM146 specifications →

Buy or hire the Challenger 50 Beavertail 10 x 5 (AD35105BTS) if...

A UK built galvanised plant trailer with a low loading beavertail for mini diggers, scissor lifts and rollers. Common on mini digger hire fleets and with small groundworks firms.

Full Challenger 50 Beavertail 10 x 5 (AD35105BTS) specifications →

Common questions

What is the difference between the Ifor Williams LM146 and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Ifor Williams LM146 is 10kg lighter empty and carries 10kg more. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.

Which is lighter, the Ifor Williams LM146 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Ifor Williams LM146. It is 10kg lighter empty than the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS).

Which carries more, the Ifor Williams LM146 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Ifor Williams LM146, by 10kg.

Can I tow the Ifor Williams LM146 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) 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.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.