Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. Introduced in 2008 the success of the 993K is a testament to its heritage. Created from Cat Large Wheel Loader DNA, the roots of performance, durability, comfort and efficiency runs deep. Move more make more with the 993K.

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Net Power 973HP
Articulation Angle 43°
Bucket Range 12.2-23.7 m3 (16.0-31.0 yd3)
Cat Truck Match - High Lift 777, 785
Cat Truck Match - Standard Lift 777
Note * High lift, 60/65-51 BFOR (311-1938), standard cooling, 13.8 m3 (18.0 yd3) bucket (496-9912).
Operating Weight 294687lb
Operating Weight - Tier 2 Equivalent* 294687lb
Operating Weight - Tier 4 Final* 294687lb
Operating Weight* 294687lb
Rated Payload - High Lift 27.5t
Rated Payload - Standard Lift 30t
Bucket Capacities 12.2-23.7 m3 (16.0-31.0 yd3)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8mile/h
Direct Drive - Forward 3 14.1mile/h
Direct Drive - Reverse 1 4.9mile/h
Direct Drive - Reverse 2 8.8mile/h
Direct Drive - Reverse 3 15.6mile/h
Forward - 1 4.2mile/h
Forward - 2 7.4mile/h
Forward - 3 12.7mile/h
Note 50/65-51 BFOR (311-1938), calculated speeds.
Reverse - 1 4.7mile/h
Reverse - 2 8.1mile/h
Reverse - 3 13.9mile/h
Transmission Type Cat Planetary Power Shift
Front Fixed
Oscillation Angle 10 degrees
Rear Trunnion
Cooling System 80.2gal (US)
Crankcase 31.7gal (US)
Differential - Final Drives - Front 127.3gal (US)
Differential - Final Drives - Rear 127.3gal (US)
Fuel Tank 573.3gal (US)
Hydraulic System - Tank Only 146gal (US)
Hydraulic System Factory Fill 230gal (US)
Note High Lift configuration.
Transmission 52gal (US)
Bore 5.7in
Displacement 1959in³
Emissions U.S. EPA Tier 4 Final
Engine Model Cat® C32 with ACERT™ Technology
Gross Power - SAE J1995 1039HP
Net Power - EEC 80/1269 973HP
Net Power - ISO 14396 1024HP
Net Power - ISO 9249 973HP
Net Power - SAE J1349 964HP
Note Standard ambient cooling.
Peak Torque - 1,250 rpm 4034lb/ft
Rated Speed 1800r/min
Stroke 6.4in
Torque Rise 33%
Bore 5.7in
Displacement 1959in³
Emissions U.S. EPA Tier 2 Equivalent
Engine Model Cat C32 with ACERT Technology
Gross Power - SAE J1995 1041HP
Net Power - EEC 80/1269 973HP
Net Power - ISO 14396 1024HP
Net Power - ISO 9249 973HP
Net Power - SAE J1349 964HP
Note Standard ambient cooling.
Peak Torque - 1,250 rpm 4034ft-lb
Rated Speed 1800r/min
Stroke 6.4in
Torque Rise 33%
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 70dB(A)
Note (1) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. Hearing protection may be needed when the machine is operated wi
Note (2) The machine sound power level is 116 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (3) The machine sound power level is 113 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the sound suppressed machine configuration. The measurement was conducted at 70 percent of the maximum engine cooling fan s
Operator Sound Pressure - ANSI/SAE J1166 FEB08 72dB(A)
Cylinders - Lift/Tilt Double-acting
Lift Cylinder - Bore 10.5in
Lift Cylinder - Stroke 66.2in
Lift/Tilt System - Circuit Positive Flow Control
Lift/Tilt System - Pump Variable Piston
Maximum Flow at 1,650 rpm 311gal/min
Note High Lift configuration.
Relief Valve Setting - Lift/Tilt 4200psi
Tilt Cylinder - Bore 9.3in
Tilt Cylinder - Stroke 40.9in
Dump 1.8s
Lower 3.8s
Lower Float Down 3.1s
Note High Lift configuration, calculated speeds.
Rack Back 2.4s
Raise 9.2s
Total Hydraulic Cycle Time 17.2s
Maximum Flow at 1,985 rpm (6900 kPa/1,000 psi) 133gal/min
Relief Valve Setting - Steering 5000psi
Steering System - Circuit Closed
Steering System - Pump Piston, variable displacement
Total Steering Angle 86°

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • Brakes, oil-cooled, multi-disc, service/secondary
    • Case drain filters
    • Demand fan
    • Driveline parking brake
    • Engine, Cat C32 ACERT
    • Fuel priming pump (electric)
    • Ground level engine shutoff
    • Precleaner, engine air intake (above hood)
    • Radiator
    • Starting aid, ether, automatic
    • Throttle lock, electronic
    • Torque converter, Impeller Clutch (ICTC) with Rimpull Control System
    • Transmission, planetary powershift, 3F/3R electronic control
  • Electrical
    • Alarm, back-up
    • Alternator, 150-amp
    • Batteries, maintenance free, 4 – 1,400 CCA
    • Deutsch terminal connectors
    • Diagnostic connector starting and charging system
    • Electrical system, 24 volt
    • Electronic Service Center
    • Electronic transmission control
    • Lighting system, halogen (front and rear) lighting, access stairway
    • Starter and charging system, 24V
    • Starter receptacle for emergency start
    • Starter and transmission lockouts (bumper)
  • Operator Environment
    • Advisor Display, displays real time operating information, performs calibrations and customizes operator settings
    • Air conditioner
    • Air precleaner
    • Cab, sound suppressed and pressurized, separate external rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 10-amp) and power port
    • Cigar lighter, ashtray
    • Coat hook
    • Controls, lift and tilt function
    • Digital display on center console: – Gear – Ground speed – Machine hours
    • Heater, defroster
    • Horn, electric
    • Instrumentation, gauges: – Coolant temperature – Fuel level – Hydraulic oil temperature – Power train oil temperature – Tachometer
    • Light, cab, dome
    • Lunchbox, beverage and manual holders
    • Mirrors, rearview (externally mounted)
    • Rimpull Control System
    • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
    • Seat, trainer with lap belt, 76 mm (3 in) wide
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC Control System
    • Transmission gear indicator
    • Vital Information Management System (VIMS) with Advisor Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
    • Wet-Arm wipers/washers (front and rear): – Intermittent front and rear wipers
  • Other
    • Automatic bucket leveler
    • Automatic lift and lower bucket kickout
    • Axle ecology drain
    • Bumper service center
    • Deluxe filtration
    • Emergency platform egress
    • Front walkway
    • Fuel, fast fill system
    • Grouped hydraulic pressure ports
    • Guards, crankcase and power train
    • Hitch, drawbar with pin
    • Implement and steering ecology drains
    • Implement lock lever, cab
    • Linkage pins, maintenance free
    • Oil sampling valves
    • Positive Flow Control implement system
    • Product Link
    • Rims
    • Service center with ground level electrical and fluid connections
    • Sight gauges for steering, implement and transmission oil
    • Stairway, left and right rear access
    • Starter lockout, bumper
    • Steering and transmission lock lever, cab
    • Steering, load sensing
    • Toe kicks
    • Transmission lockout, bumper

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • –50° C (–58° F) antifreeze
    • Engine coolant heater (120V)
    • Engine coolant heater (240V)
  • Electrical
    • LED warning strobe
    • Object detection (radar)
    • Power converter
    • Rear vision camera
  • Operator Environment
    • AM/FM/CD/MP3 radio
    • Cab precleaner
    • Satellite Sirius radio with bluetooth
    • Sun screen
  • Machine Control And Guidance
    • Cat Terrain ready
  • Spare Rims
    • 40.00×51 spare rim
  • Miscellaneous Attachments
    • Axle oscillation limit stop
    • Egress, powered rear access
    • Rear roading fenders