Page 29 - Cat Motor Grader Application Guide AEGQ0947-00

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M S E R I E S M O T O R G R A D E R S A P P L I C A T I O N G U I D E

27

All Wheel Drive (AWD)

System

The optional AWD system utilizes dedicated left and right pumps for precise hydraulic control. The infinitely variable pumps and motors maximize torque in each gear delivering the most power to the ground in the industry and increasing productivity in the most demanding applications. AWD: Constant Net Power.

When equipped with AWD, the 120M will automatically increase the gross power up to 26 kW (35 hp) when the system is engaged. This offsets the parasitic losses and maintains a constant net power to the ground for maximum productivity. AWD: Hydrostatic Mode.

Standard with AWD, this mode disengages the transmission and provides hydraulic power to the front wheels only. The ground speed is infinitely variable between 0-8 km/h (0-5 mph), perfect for precise finish work. AWD: Steering Compensation.

The Caterpillar exclusive Steering Compensation System is standard with All Wheel Drive. This feature enables a “powered turn” by adjusting the outside front tire speed up to 50% faster than the inside tire. The result is improved control, less damage to surfaces and a dramatic reduction of turning radius in poor underfoot conditions.

Snow Plowing

C A U T I O N

In snow plowing applications, machines are frequently equipped with bulky attachments on the front, side and rear. Blowing snow and other conditions may cause restricted visibility. Machines often work in areas with heavy traffic, or the application may require frequent changes of direction. Safety must be your Number One objective.

Before moving or reversing the machine, check all directions to assure there are no personnel or vehicles in your path.

For safety, work in the direction of traffic when possible.

Motor graders have long been recognized as excellent tools for snow plowing. The introduction of high speed hydraulics and frame steering has made the motor grader even more productive in this application.

Page 29 - Cat Motor Grader Application Guide AEGQ0947-00

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