Asphalt Review - Volume 32 Number 3 (Jun / Juy 12) - Australian ...

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ALL WHEEL DRIVE.ALL WHEEL PERFORThe Cat ® 140M, including theindustry-leading All WheelDrive system, delivers greatermachine versatility, utilisationand performance.Around Australia, there are now onethousand Cat ® M Series Motor Gradersbeing put to work. We’re proud of thismilestone but remain focused on continuingto deliver technology innovations that makeoperators more comfortable, worksites moreproductive and businesses more profitable.M SERIES. 1000 AT WORK.All Wheel Drive (AWD) is a must havefeature for those who work in traction-limitedconditions such as mud, sand, gravel, or snow.An AWD system can also be beneficial onside slope applications, where the additionaltractive effort can help keep the grader fromsliding off the intended line of travel.AWD can boost performance with addedversatility, stability, and an overall increase inpower and torque. The Cat AWD variable frontdrive motors powered by separate dedicatedleft and right hydraulic pumps provide theproper match between torque and speed, sowhen operating in the lower working gears,you will have over 50% more torque than theprevious Cat H Series. If working in a highspeed, loaded condition, you will still havethe necessary pull to power through heavyunderfoot and/or hilly terrain, due to the infinitevariable ratio between torque and speedthroughout the forward and reverse gear range.The Cat AWD infinitely variable pumpsand motors maximise torque in each gearand deliver maximum power to the ground,increasing productivity.
MANCE.Three Mode Operation & Front Wheel Speed Setting –There are three modes of operation for the AWD system:• AWD Off (rear tandem drive only)• All Wheel Drive• Front Wheel Drive-OnlyIn All Wheel Drive mode, front wheel speed can be adjustedup to <strong>12</strong>0% of rear tandem wheel speed.Front Wheel Drive-Only Mode – Standard with AWD, thismode disengages the transmission and provides hydraulicpower to the front wheels only. The ground speed is variablebetween 0-8 km/h (0-5 mph), perfect for precise finish work.Max Net Power to Ground – When the AWD system isengaged, fl ywheel horsepower is automatically increasedby as much as 15% over the base tandem drive power level.This increase in gross power offsets the parasitic lossesassociated with the AWD system and maximises the netpower to the ground for increased performanceand productivity.Cat Steering Compensation – The Cat SteeringCompensation System is standard with AWD. This featureenables a “powered turn” by adjusting the outside front tyrespeed up to 50% faster than the inside tyre. In addition,inside front tyre speed is automatically adjusted faster thanthe inside tandem tyre. The result is improved control, lessdamage to surfaces and a dramatic reduction of turningradius in poor underfoot conditions.The Cat AWD system will ensure you can get the job done inany application and condition.Cat ® C9 ACERT VHP Plus – AWD ModelBase Power(AWD on, 1st gear) – Net 166kW 223 hpVHP Plus Range – Net 166-200kW 223-268 hpGross Vehicle Weight – Max– Total with AWD 23,538kgWith steeringcompensationWithout steeringcompensation
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