Leyland T45 Roadtrain

The Leyland Roadtrain was a range of heavy goods vehicle tractor units manufactured by Leyland Trucks between 1980 and 1990. The nomenclature "T45" refers to the truck range design as a whole and encompasses models such as the lightweight 7.5-ton roadrunner, Freighter (4 wheel rigid truck) constructor (multi axle rigid tipper or mixer chassis-its chassis owing much to the outgoing Scammell 8-wheeler Handyman) and Cruiser (basic spec low weight tractor unit). The Roadtrain itself was a max weight model with distance work in mind.

The cab design was a joint effort between Leyland, BRS and Ogle Design and was seen as the height of modernity when compared with its predecessors, the idea being to have one basic design to replace the various outgoing models (for example, the Bathgate built G cab on the Terrier, the Ergomatic cabbed Lynx, Beaver etc.). This did indeed make good economic sense; however, there has been speculation that Leyland did in fact alienate a number of customers who had traditionally purchased other marques from within the Leyland empire—Albion, AEC, Scammell, etc.—who were now left with no alternative but to have a Leyland branded vehicle or purchase from elsewhere.

Throughout its production run, engine choices included the AEC-based TL12, a straight carry over from the preceding "stopgap" model Marathon range, The Rolls-Royce Eagle 265/300 and the Cummins 290 L10 and 14-litre 350 coupled to a Spicer or Eaton transmission, although all versions produced a distinctive whine from the propshaft knuckle joint when approaching 60 mph (97 km/h). The TL12 engine was dropped early on in the production run, with most large fleet buyers choosing the Rolls-Royce engine.

The Roadtrain was available in day- and sleeper-cabbed form, in high and low datum versions—this refers to the cab height—high datum versions were intended as long haul vehicles with higher mounted cabs and more internal space. 6x2 versions were built in high cab form only on a chassis that was basically that of the ageing Scammell trunker.

In 1986, the high roofed Roadtrain interstate was introduced, a top of the range long distance truck with standing room inside.

The Roadtrain was a common sight throughout most of the 1980s, with a great many of the major fleet users in the UK such as Tesco, Blue Circle (unusually with high datum day cabs) and BRS running them. The Firm of Swain's based at Rochester in Kent had a number of roadtrains in its fleet which enjoyed a comparatively long service life (until the late 1990s) before being replaced by the newer DAF 85.

The photo is courtesy of and copyrighted to Mark Beeston.

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