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UD Trucks has launched an all-new heavy-duty range to the Australian market with the arrival of Japan's most popular heavy-duty prime mover, the GW.
The GW, known in Japan as Quon, will initially be available in two different models, the GW400 and the GW470, both offering the choice of either airbag or leaf spring suspension.
The GW offers more power and the same torque than the CW models they replace, while delivering lower emissions and better fuel consumption.
The all new GW cab is safer, more user friendly and more comfortable with air suspension, more room and a new driver friendly dash layout.
The GW cab was recognised as a standout truck cab design by winning the 2005 Japanese Good Design Award, a factor that has helped make it the most popular prime mover on the Japanese heavy duty market.
According to general manager of UD Trucks, John Bushell, the new GW is the flagship of the UD range and will broaden the market reach of the company with great appeal to a wider range of operators and tasks.
"The GW has earned its stripes in Japan where it is the clear number one choice amongst prime mover operators at the heavy end of the market," said John Bushell.
"Its predecessor, the CW model, has been the number one selling Japanese truck over 350hp in Australia for the past three years and has built an enviable track record.
"We have already had strong interest in the GW from both our traditionally strong markets such as the container freight and tipper dog operators as well as new markets such as line-haul and intra-state freight," he added.
"These are amongst the cleanest and most efficient heavy-duty trucks to be launched in Australia thanks to the use of a combination of SCR and EGR emission technology which enables the GW to comply with Euro 5 standards, a factor which has given the truck added appeal to major corporations and government departments," he said.
"It is an all-new heavy-duty line up that brings together the latest technology in terms of engine, emission reduction, cab design and safety and will equip UD for the challenge of increasing our market share and volume in Australia," he added.
The GW470 headlines the new UD heavy-duty range with a 13-litre ultra high pressure unit injector system with overhead-cam four-valve per cylinder intercooled engine using a Variable Nozzle Turbocharger(VNT) and intercooling. It produces 460 horsepower (340KW) at 1800rpm and 2255Nm of torque at 1200rpm.
This represents a 4.5 percent power increase compared with the previous CW445 model.
The GW470 is the most powerful UD ever sold in Australia making it suitable for a wide range of applications and operations. It is mated to an 18-speed Eaton RoadRanger manual transmission. An automated transmission is expected to be introduced in the GW range in the next few months.
UD has also introduced a new 390 horsepower GW model using a re-rated version of the same 13-litre overhead cam ultra high pressure unit injector turbo diesel used in the GW470 with maximum power produced at 1800rpm and maximum torque of 1716Nm produced at 1100rpm. The new GW400 will be ideally suited to a wide range of applications including tipper dog, urban semi trailer and intra-state distribution work.
The GW400 comes equipped with a 13-speed version of the Eaton Road Ranger transmission.
The use of UD's FLENDS emission reduction technology has enabled the new GW to meet the JPN LT05 regs, which in turn means it also meets and exceeds the latest ADR 80/02 legislation as well as allowing it to meet the still to be introduced Euro 5 standard, that is not due to be introduced until January 1, 2011.
FLENDS brings together both SCR and EGR technology in a high efficiency package, which takes advantage of the benefits of both systems while minimising the drawbacks. SCR is the primary emission reduction system while the EGR is a secondary system.
UD was the first truck manufacturer in the world to introduce SCR technology to its vehicles and continues to develop the system.
This means that the GW range maximises the fuel economy, performance and PM reduction benefits afforded by SCR while utilising the secondary benefits of EGR in terms of reduction in NOx emissions and convenience.
Both of the new GW models utilise an all new cab bringing together contemporary design with better occupant and user safety, more interior space, a quieter and smoother ride, increased visibility and a new interior layout for better ergonomics and ease of use.
The new cab also has significantly improved aerodynamics compared with the CW model it replaces enhancing the GW's efficiency and fuel consumption.
ENGINE
The new GE13TB (400) and GE13TD (470) are amongst the cleanest and most fuel-efficient truck engines available on the market today thanks to the use of a range of technologies that will give operators a clear productivity benefit.
Both engines are 13-litre six cylinder, turbocharged and intercooler overhead cam four valve per cylinder with electronically controlled ultra high pressure unit injection.
The engines have both been designed with a bore and stroke of 136mm x 150mm and a compression ratio of 17.5 to 1 with a governed engine speed of 1800rpm for the GW400 and 2000rpm for the GW470.
The GE13TB produces its maximum power at 1800rpm while maximum torque of 1715Nm is produced at 1100rpm. The higher horsepower GE 3TD produces its maximum power at the same revs while maximum torque is produced 100rpm higher at 1200rpm.
Engine braking is handled by an Exhaust plus Engine compression brake.
The lubrication on both engines is by force fed gear pump and utilises a flat feed type oil cooler with a full flow and bypass oil filter which uses a replacement element. The lubrication system has a capacity of 41 litres.
The engine's air system is water cooled with a reciprocating type twin cylinder oil mist separator and air dryer.
Cooling is handled by a high capacity aluminium corrugate fin type radiator with a reserve tank. It is cooled by a 720mm 10 blade fan with a viscous coupling drive, while coolant is circulated through the system via a force feed centrifugal pump.
The high pressure, electronically controlled ultra high pressure unit injection system is fed from the standard 400 litre aluminium fuel tank via replaceable primary and secondary fuel filters while the engine's air intake is via a high mounted right hand side intake snorkel and dual paper element air filters.
Exhaust leaves the truck via the UD FLENDS SCR/EGR emission system which is integrated along with the muffler and catalytic converter into the under chassis mounted horizontal exhaust which discharges through the rear facing outlet under the truck.
CAB
The new GW cab comes to the Australian market with the significant weight of the 2005 Japanese Good Design Award to its credit.
In a country that puts enormous emphasis on good design and engineering, this recognition of the new UD GW cab is an independent endorsement of the thought and expertise UD engineers applied to creating the best possible truck cab.
The forward control GW cab is air suspended with increased travel delivering a smooth, quieter and more 'European' ride for driver and cab occupants.
The air suspension system uses a 36 percent larger airbag at the front and a 28 percent larger airbag at the rear. It also boasts a 26 percent increase in the diameter of the front stabiliser as well as larger bushes and bump rubbers and a single unified air tank all of which means a reduction in cab pitching and a more comfortable and even ride for driver and occupants.
The cab has been built utilising a range of new and improved safety features including a stronger floor panel, side intrusion beams in the doors and stronger door frames. It also features a new stronger bumper with built in headlights and a new three-piece bumper for easier and lower cost repair.
Cab interior height has been increased by 100mm delivering more interior room as well as better aerodynamics thanks to a smoother and more rounded profile. The new cab windscreen angle has been raised by eight degrees further enhancing interior room and all round visibility.
This has result in a 17mm increase in shoulder clearance, a 51mm increase in the length of the occupant area inside the cab, 63mm more knee room and 100mm more headroom.
The sleeper bunk is now 1655mm wide, a 30mm increase on the previous model, and features a 1507mm height clearance, an increase of 100mm. The back of the passenger seat can now be folded forward and flat for better access to the sleeper while the seat cushion can be lifted upwards giving more room for changing clothes, etc.
The new air suspension driver's seat features more forward and aft adjustment with a 27mm increase in slide travel from 165mm to 192mm while still delivering a 46mm reclining angle for the seat back.
The doors open to 90 degrees allowing easy access to the driver and passenger areas.
Subtle improvements to the cab shape including more rounded corners and a more efficient design for the integrated bumper and headlights has resulted in an increase in aerodynamic efficiency. This not only benefits fuel consumption but also dramatically lowers wind noise.
Inside the new quieter, redesigned GW cab is a fully integrated dash design with a stylish wrap around instrument cluster, which has been ergonomically designed for better driver efficiency and comfort. It features an array of storage areas, cup holders and stowage hatches, including a coin holder and card holder to maximise the convenience, safety and productivity of drivers.
The cab features an electric-hydraulic cab tilt system and the new GW boasts a 65 degree cab tilt compared with a 45 degree tilt on the previous model, allowing better access for maintenance and repairs. It also features a convenient front inspection panel for easy access to vital elements such as engine oil, clutch fluid and windscreen washer reservoir, as well as the engine oil filter and wiper motor.
The GW now comes equipped with automatic climate control air conditioning as standard equipment with new round dial controls that are easier to operate for better ergonomics and less driver distraction.
As well as climate control air conditioning, the GW also boasts other significant convenience and comfort features including heated/cooled drink compartments, cruise control, power windows, remote power mirrors which are also heated and remote central locking.
TRANSMISSIONS
Both GW models use Eaton RoadRanger manual transmissions, a 13-speed in the GW400 and an 18-speed in the GW470.
The Eaton Fuller RTLO 14913A in the GW400 has 13 forward speeds and two reverse speeds. It has constant mesh on each shift, and synchromesh on range shift.
The gear shift is operated via a mechanical remote control shift. The gearbox uses an integrated oil pump and cooler with 13-litre oil capacity for lubrication. The RoadRanger features two PTO openings - one on the top right hand side and one on the bottom.
The Eaton Fuller RTLO 18918B in the GW470 has the same features as the unit in the GW400 but with 18 forward speeds and four reverse speeds.
An automated shift option is under development for Australian conditions and is expected in the third quarter of 2008.
BRAKES
The new GW range is equipped with a full Wabco Electronic air brake System (EBS) mated with 4 channel Wabco ABS and traction control (ASR). Braking is handled by automatic adjusting taper roller internal expanding leading and trailing shoe type brakes.
The drum diameter both front and rear is 410mm with a total lining area of 10,280 sq cm.
The parking brake is operated via a pneumatically controlled spring brake operated on both drive axles.
GW is also equipped with a progressive trailer brake with hand controller in the cab with air connections at the rear of the cab.
STEERING
The new GW range uses a tried and proven recirculating screw type steering box with hydraulic power assistance. The steering gear ratio is 22.42 to 1.
The steering column features a tilt and telescopic adjustment with a steering lock and a 460mm diameter wheel.
ELECTRICS
The growing need for additional electrical power for a range of ancillary devices and accessories including GPS navigations systems, mobile phones, AV systems and portable fridges has resulted in UD engineers upgrading the 24volt power system on the GW range. The trucks feature two 12 volt 150Ah batteries.
WHEELS AND TYRES
The new GW range comes equipped with one-piece steel disc wheel rims measuring 8.25"x 22.5" and with a 165mm offset. The ISO 10 stud wheels are fitted with 295/80R 22.5 - 152 148/L tyres on the front with 11 R 22.5 - 16PR 148/145L dual tyres mounted on the rear axles.
AXLES
UD FF85 and UD RM1A axles are used at the front and rear respectively on the new GW models equipped with steel leaf springs, while the GW air bag suspension models features UD RW1A axles at the rear and the same UD FF85 unit on the front.
The front UD FF85 axle is a reverse "ELLIOT" type drop forged steel "I" section beam with a front axle capacity of 8500kg.
The rear UD RM1A and RW1A axles on the leaf spring models are fully floating pressed steel banjo type housings with in line tandem type power divider and a remote operated diff lock. They both have a capacity of 23600kg and use a single reduction hypoid gear rear differential with a final reduction gear ratio of 4.625 to 1.
SUSPENSION
The GW models utilises long taper leaf springs at the front mated to telescopic double acting shock absorbers while at the rear there are trunion mounted semi-elliptic leaf springs with six torque rods.
The front springs are anchored at the front and use a shackle at the rear and are 1550mm long and 90mm wide. The spring pack uses three leaves and has a capacity of 6000kg.
At the rear the eight leaf main spring is 1300mm long and 90mm wide while the eight-leaf helper is 1100mm long and 80mm wide. The rear springs feature an anchor at the front and shackle fixing at the rear.
The Road Friendly Compliant Airbag suspension models utilise a two bag, full floating Hendrickson HAS460 rear suspension system with height control valve and dump valve, acting with tuned telescopic double acting shock absorbers The system is RFS compliant with a 18000kg ground capacity. It features cross channel stabiliser and a remote driver operated dump valve.
OPTIONAL EQUIPMENT
While UD has packed the new GW400 and GW470 full with standard features there is a range of optional equipment to maximise the model's versatility and practicality across a wider number of applications.
A range of paint colours is available on GW models while other options include 6500kg taper leaf front springs, a front stabiliser bar, a 400litre auxiliary fuel tank, an electronic engine governor control and an electronic transmission PTO control. A rear engine PTO is also available as an option on GW400.
Alcoa aluminium wheels, an 80 Amp hour alternator and a front air dam bumper on GW400 (std. on GW470) are all optional extras as well as a 4.333 diff ratio on the GW400 and 4.875 ratio on the GW470.
STANDARD EQUIPMENT
• Overhead centre console with driver and passenger sun visor and overhead tray
• 24v Cigarette lighter / power supply
• Large centre console (GW470) Three seats on GW400
• Large fluorescent interior light
• Independent driver and passenger On / Off / Door interior lights
• Triple arm, 2-speed wipers with variable intermittent and integrated washers
• Heated and electrically operated LH and RH main mirrors
• Passenger side, rear and downward spot mirrors
• Electric horn, reverse warning light and alarm
• 2 occupant seats with retractable seat belts (GW470)
• Multi adjustable air suspended driver's seat with auto height control
• Flat folding assistant seat with lift up base
• ADR42/04 compliant sleeper bunk with mattress ( 2-up driving)
• Full cab curtain rails with curtains (Covers all windows)
• Power operated driver and passenger windows
• Remote operated keyless central locking
• Fully automatic electronic climate control air conditioning
• Heated / cooled storage box and drink holders (2)
• AM/FM radio with CD player
• Tachograph (7day)
• Cruise control - Stalk mounted
• Rear facing work light mounted on rear of cab
• Halogen multi reflector headlamps
• Roof mounted clearance lights (ADR49/00)
• 2 centre and 2 door cup holders
• 2 DIN sized compartments for accessory fitment
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