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Daf updates LF for Euro-4
Page 10
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Dal's Euro-4 LF has received an in-cab upgrade to go with its new engine. CM takes an exclusive first look at all the changes.
CM EXCLUSIVE EURO-4 VERSIONS of Dais big-selling light-middleweight LF truck range are already bodied and liveried, ready to go into fleet service.From the outside there's little to distinguish the latest lower-emission LFs. apart from larger adjustable double mirrors on both sides.
That said, sharp-eyed observers will spot the SCR system's cylindrical AdBlue tank with its signature blue filler cap on the left of the chassis just behind the cab.
Inside the LF cab, the instrument panel and controls have been substantially upgraded. In the interests of safety, several functional controls are moved to the spokes of the steering wheel (which now contains a crash-protection airbag): this follows the example of Dais Euro-4 flagship XF105 chassis.
The relocated controls include the speed limiter, cruise control and exhaust brake.Where a mobile phone is installed, two accompanying switches on the steering wheel allow hands-free operation.
Silver surrounds The gauges,now with eye-catching silver surrounds, incl ude an AdBlue tank level indicator for the SCR system. And a wider selection of data, for example the last dialled number on the mobile phone, can now be displayed on the multi-information screen on the dashboard's central panel.
Self-tensioning seat-belts are another new feature.
Cummins' four-cylinder and sixcylinder Euro-4 ISBe engines have increased in capacity to 4.5 and 6.7 litres respectively. This endows both LF models with extra performance over their smaller Euro-3 predecessors.
Models previously powered by the 130hp-rated four-cylinder engine, for example. now take its 35% larger Euro-4 successor with a 140hp rating. Visible changes to the engine include the Bosch common-rail injection system's higher-pressure and physically larger fuel pump, and relocated function-sensor connections.
The ISBe engines, which are produced at Cummins' Darlington plant in the north-east of England, continue to carry a Paccar logo on their valve covers, but the plates that give details such as power ratings continue to proclaim their Cummins provenance.