DAF introduces new CF and XF multi-axle models

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DAF Trucks Press Release  /  September 7, 2017

• Up to 7% higher fuel efficiency
• New ultra-compact EAS
• Higher payloads from 100 up to 250 kgs
• New electro-hydraulic steered trailing axles
• New dual-mounted trailing axles
• New double drive hub reduction tandem axles
• New light weight 8x4 mixer chassis
• Highest body builder friendliness for New CF and XF rigids
• New and innovative Battery Energy Monitoring (BEM) System
• New PACCAR MX-11 and MX-13 engines
• New TraXon transmission
• New highly efficient rear axles
• Advanced software functionality

The New CF and New XF range is complete. DAF Trucks has added 11 tractor and rigid axle configurations to its new line up; eight 2, 3 and 4 axle rigids and three 3 and 4 axle tractors. The new trucks are up to 7% more fuel-efficient, are at least 100 kg lighter which enhances payloads, have integrated body builder modules to shorten body building time and provide best in class jobsite performance. DAF now has a complete set of industry leading work trucks for its customers and is proud to offer the highest performing custom fit solutions for every application.

DAF launched the first long haulage versions of the New CF and XF at the beginning of summer and is now introducing a new series of multi-axle and rigid vehicles. The new vehicles are now available with common as well as some unique new features. 

Up to 7% higher fuel efficiency
All the new DAF trucks include up to 7% better fuel efficiency as a result of the  seamlessly integrated and completely new and innovative down-speeding powertrains.

New ultra-compact EAS: extra chassis layout options and extra payload
The new rigid chassis benefits from the ultra-compact EAS of the New CF and XF. The EAS can now be fitted in its entirety (i.e. as one single unit) between the first and second front axles (in the 8x4 FAD). This makes it possible to use the free space for the addition of crane legs, toolboxes or extra (fuel) tanks and results in increased frame layout options and extra payload, thanks to its 50 kg lower weight.

Higher payloads from 100 up to 250 kilograms
Similarly, the latest range of multi-axle tractors and rigids are equipped with powertrain and exhaust configurations that are up to 100 kg lighter in total on average, resulting in higher payload capacity for DAF customers. New axles and tandem sets contribute to total weight savings of up to 250 kg for the CF FAD 8x4 for construction applications.

New electro-hydraulic steered trailing axles
One of the most important innovations within the New CF and XF program is the new trailing axle for both tractors and rigids that facilitates maximum maneuverability. 

The new trailing axle incorporates a newly developed EHS (Electric Hydraulic Steering) system which is 30 kg lighter, resulting in extra payload. The steering is very precise because the EHS continuously calculates the optimal steering angle for the rear axle wheels on the basis of speed and wheelbase. The resulting benefits are most noticeable when driving through urban areas and maneuvering the truck. The minimizing of friction losses and the fact that the steering pump is only activated while steering results in an additional 1% reduction in fuel consumption. 

At speeds of over 40 km/h, the axle locks itself in the straight forward position and guarantees maximum vehicle stability and supports excellent fuel efficiency. In addition, the trailing axle steering system contains significantly fewer components, which supports first class robustness and reliability. 

The new steered trailing axle can be fitted on 6x2 rigids and tractors as well as 8x2 rigids. 

The EHS is complimented on 6x2 CF and XF FAN vehicles by a new air suspension that can be quickly lowered 90 millimetres and lifted 185 millimetres for fast and reliable loading and unloading of swap bodies.

New dual-mounted trailing axles
DAF is also introducing a new dual-mounted 10 ton trailing axle, which has a static load capacity of no less than 34 tons. This is highly valuable when loading and unloading heavy containers. The new axle has reduced curb weight by 25 kg. When combined with the other New CF and XF weight reductions, this results in an overall 125 kg of additional payload.

DAF's new dual-mounted trailing axle can be fitted on 6x2 tractors and rigids, as well as 8x2 rigids. 

New double-drive hub reduction tandem axles
For vehicles that regularly drive off-road, DAF is presenting a new double-driven tandem with hub reduction (HR1670T). This axle set boasts a completely new cast-iron axle housing that provides an extra weight reduction of 60 kg. 

In order to achieve the highest possible fuel efficiency, even faster final drive ratios (3.46, 3.61, 3.76:1) are available. These ratios allow the engine to operate at even lower revs. To ensure the lowest possible operational costs, oil-change intervals for the new tandem set have been raised to 3 years or 450,000 kilometres.

The new dual driven tandem with hub reduction is available on 6x4 and 8x4 tractors and rigids for heavy duty applications. This range includes the FAD 8x4 rigid with two steered front axles commonly used in the transportation of sand and gravel. In this model the SCR unit is no longer integrated in the vertical exhaust. Instead it is in the new EAS unit, which thanks to its compact dimensions can fit entirely between both front axles. This redesign results in a 115 kg reduction in weight and more chassis space.

New lightweight 8x4 mixer chassis throughout Europe
The lightweight CF FAD 8x4 mixer chassis is now available with a 19-ton single reduction (SR1132T) tandem and two 7.1 ton front axles. This cost effective high performing chassis which is popular in the United Kingdom is now available throughout Europe. As a result of the optimization of the steering system and the suspension, the use of disc brakes and the new compact EAS unit with vertical tail pipe, the curb weight of this lightweight truck is a mere 9,150 kg, which sets the benchmark for its class. The unique mixer chassis comes with the new PACCAR MX-11 engine, in power ratings from 270 to 330 kW (370 to 450 hp).

Highest body builder friendliness for New CF and XF rigids 
DAF has introduced important enhancements to the chassis for industry-leading body builder friendliness. The new Body Attachment Modules (BAM) play an important role in the speedy fitting of a box body, a heavy crane, tipper or hook lift system.

The new and extended hole pattern in the rear-end of the chassis facilitates easy fitment of tail lifts, cranes and boxed bodies and also makes it easy to relocate components or mount a draw bar installation or underrun protection. As a result, the new hole pattern saves body builder costs while shortening vehicle lead-times.

New and innovative Battery Energy Monitoring System 
Another new feature is the innovative Battery Energy Monitoring system - BEM for short. This optional system uses a newly developed sensor to measure the exact charging conditions of the battery, and is even able to take environmental conditions into account to ensure the vehicles are ready to work and have the highest availability. 

New PACCAR MX-11 and MX-13 engines
In line with the DAF Transport Efficiency philosophy, every effort has been made to obtain the maximum performance from every drop of fuel. The PACCAR MX-11 and MX-13 engines have been given a complete makeover. An important objective during the development of the new powertrains was the reduction of engine revs commonly refered to as ‘down speeding’ as lower revs results in lower fuel consumption. At the same time, the maximum torque of the PACCAR engines was increased significantly, with the maximum torque now available at an amazing 900 revs per minute.

The power of almost every powertrain rose by 7 kW/10 hp to 14 kW/20 hp, while the torque for all of the new engines was increased by 50 to 200 Nm. Furthermore, DAF applies ‘Multi Torque’ on the New CF and XF, which results in the release of an additional 100 to 150 Nm in the highest gear. This allows driving for longer periods in the highest gear, which in turn optimises fuel consumption and maximises performance.
 
The newest TraXon: faster and less friction
The new PACCAR MX-11 and MX-13 engines come standard with the latest generation TraXon automated gearboxes. These transmissions have lower friction loss and are characterized by an extremely smooth gear shifting behaviour. Specific shifting strategies are available for Standard Transport, Liquid Transport, Heavy Haulage and Eco Combi’s. In the Construction models of the DAF CF FAD, FAT (rigids) and FTT (tractor) the TraXon transmission comes with an additional 
off-road setting for optimal transmission performance and clutch actuation. When activated, the TraXon shifts extremely fast and at higher revs to ensure maximum traction.

Advanced software functionality for the driveline
As with the first New CF and New XF configurations introduced, the new DAF multi-axle models boast a completely new electrical and electronic architecture, featuring a new control unit to manage all powertrain components in an integrated fashion. Functionalities such as EcoRoll and Cruise Control have been expanded to further improve their contribution to optimal fuel economy.

Highly efficient rear axles 
An important component of the new, faster powertrains are the rear axles designed and manufactured by DAF. Faster reductions of 2.05:1 are now available, allowing to cruise at 85 km/h at 1,000 rpm, depending on the driveline specifications. For the new generation of rear axle differentials, the crown wheel and pinion were redesigned in order to ensure optimal longevity and efficiency as well as extremely low noise levels.

With the introduction of eight 2-, 3- and 4-axle rigids and three 3- and 4-axle tractors, Pure Excellence is now the standard throughout DAF’s entirely new range of trucks. Pure Excellence expresses the DAF Transport Efficiency philosophy for achieving the lowest operational costs and highest vehicle availability. At the same time, it is synonymous for the impeccable manufacturing quality and the unmatched driver comfort of the New CF, New XF – and also the New LF.

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