Caterpillar 993K Wheel Loader

October 15, 2012

Recent design refinements to the 993K include a choice of a Tier 4-Final or Tier 2-equivalent Cat C32 engine, new engine control and powertrain features, and a new Cycle Timer feature.

The updated 993K's fuel consumption is reduced as much as 10 percent, Caterpillar says, achieved by lowering rated speed and equipping the machine with Auto Idle Kickdown (reduces throttle-lock speed after a set idling interval) and Engine Idle Shutdown (shuts down the engine after extended periods of idling). A new battery management system shuts down electrical power after the latter system activates. Complementing these features is the Delayed Engine Shutdown system, which allows the engine to idle after key-off to cool the turbocharger.

A new torque converter is matched to work with the reduced engine speed, maintaining rimpull and hydraulic performance while gaining further fuel savings. In addition, the Powertrain Torque Strategy system ensures optimum converter output at reduced speeds, according to the company. The system also reduces engine speed for directional shifts made at high ground speeds.

The 993K Vital Information System, which allows real-time assessment of machine performance and includes an advanced Payload Control System that enables on-the-go weighing and payload recordkeeping, now includes a Cycle Timer feature that tracks and stores all aspects of the truck loading cycle in an eight-segment format. The Cycle Timer provides detailed information that can be used in management reports, such as average cycle time, wait time, fuel consumed, and tons produced per unit of fuel.

Cat 993K Wheel Loader Specifications

  • Net horsepower: 964
  • Payload (std. lift): 30 tons
  • Payload (high lift): 27.5 tons
  • Dump clearance (std. lift): 15.9 feet
  • Dump clearance (high lift): 18.0 feet

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