Cat provides competency control system for small loaders
Recognising that the operating skill of workers using small loaders on typical jobsites ranges from the novice to the expert, Caterpillar has developed a new control feature, that allows each operator to run a Cat C-series skidsteer, multi-terrain or compact track loader safely, productively, and comfortably.
The new Hystat response control system (HRCS), uses software that permits the loader’s hydrostatic drive/steer system to be adjusted to one of three response rates—standard, intermediate or maximum—to determine how rapidly the machine accelerates/decelerates, and how quickly it responds to steering commands.
Each successive setting results in more aggressive response, permitting skilled operators to use the machine to its full potential, but also accommodating operators of lesser experience. The net result is that jobsite tasks are handled efficiently and productively—no matter who is in the seat.
The HRCS standard setting provides acceleration/deceleration rates that feel smooth and controlled, as does steering response. In the intermediate setting, the machine will start and stop more quickly, and steering-response lag is diminished. When operated in the maximum setting, the loader will accelerate aggressively in forward, will stop abruptly and will respond instantaneously to steering commands.
C-series loaders equipped with the Cat advanced machine information and control system (AMICS) option, allow the operator to select one of the three response rates from the monitor in the cab. A visual indicator (one, two or three bars) indicates the selected setting. Non-AMICS equipped machines can be programmed with one of the three response rates via the Cat electronic technician system. The only cost involved for machines in service may be that of a nominal charge by the dealer for programming.
Owners of non-AMICS-equipped machines, can capitalise on full HRCS potential however, by adding an AMICS kit. The kit typically is installed in about an hour by the Cat dealer and has a list price of approximately $US700.
Equipping a Cat C-series loader with the AMICS kit, not only allows full use of HRCS capability, but also enhances the operator’s control of the machine, by providing features such as implement speed control and work speed control (creep mode), as well as providing an interface for an AccuGrade system.
Weekly Top Stories
- Atlas Copco introduces basic diesel generating sets
- Melbourne’s West Gate Bridge laid bare at Scienceworks
- Dial Before You Dig: 30 days notice is not required
- Gehl loaders turn at angles up to 45˚
- These boots are made for welding
- Caltex starts building 20ML diesel tanks at Port Hedland
- Unique Astec flywheels maximise tough trenching performance
- Coal is the future
- NY Stock Exchange promotes Call Before You Dig
- Hochtief takeover would strengthen King’s hand at Leighton
- Brisbane Airport Flyover to open early
- Earthmoving plant imports up in July


