993K Wheel Loader

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

Operating Specifications

Operating Weight 294687lb
Note * High lift, 60/65-51 BFOR (311-1938), standard cooling, 13.8 m3 (18.0 yd3) bucket (496-9912).
Operating Weight - Tier 2 Equivalent* 294687lb
Rated Payload - High Lift 27.5t
Operating Weight* 294687lb
Cat Truck Match - Standard Lift 777
Operating Weight - Tier 4 Final* 294687lb
Rated Payload - Standard Lift 30t
Cat Truck Match - High Lift 777, 785
Bucket Range 12.2-23.7 m3 (16.0-31.0 yd3)
Articulation Angle 43°


Bucket Capacities 12.2-23.7 m3 (16.0-31.0 yd3)


Transmission Type Cat Planetary Power Shift
Forward - 1 4.2mile/h
Forward - 2 7.4mile/h
Forward - 3 12.7mile/h
Reverse - 1 4.7mile/h
Reverse - 2 8.1mile/h
Reverse - 3 13.9mile/h
Note 50/65-51 BFOR (311-1938), calculated speeds.
Direct Drive - Reverse 3 15.6mile/h
Direct Drive - Reverse 1 4.9mile/h
Direct Drive - Reverse 2 8.8mile/h
Direct Drive - Forward 3 14.1mile/h
Direct Drive - Forward 2 8mile/h
Direct Drive - Forward 1 Lock-up disabled


Front Fixed
Rear Trunnion
Oscillation Angle 10 degrees

Service Refill Capacities

Fuel Tank 573.3gal (US)
Cooling System 80.2gal (US)
Crankcase 31.7gal (US)
Transmission 52gal (US)
Hydraulic System - Tank Only 146gal (US)
Differential - Final Drives - Rear 127.3gal (US)
Hydraulic System Factory Fill 230gal (US)
Note High Lift configuration.
Differential - Final Drives - Front 127.3gal (US)

Hydraulic System - Steering

Total Steering Angle 86°
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

Engine - Tier 4 Final

Stroke 6.4in
Displacement 1959in³
Peak Torque - 1,250 rpm 4034lb/ft
Net Power - EEC 80/1269 973HP
Net Power - SAE J1349 964HP
Gross Power - SAE J1995 1039HP
Bore 5.7in
Rated Speed 1800r/min
Net Power - ISO 9249 973HP
Torque Rise 33%
Net Power - ISO 14396 1024HP
Emissions U.S. EPA Tier 4 Final
Engine Model Cat® C32 with ACERT™ Technology
Note Standard ambient cooling.

Engine - Tier 2 Equivalent

Stroke 6.4in
Gross Power - SAE J1995 1041HP
Peak Torque - 1,250 rpm 4034ft-lb
Net Power - EEC 80/1269 973HP
Bore 5.7in
Net Power - ISO 14396 1024HP
Rated Speed 1800r/min
Net Power - ISO 9249 973HP
Displacement 1959in³
Net Power - SAE J1349 964HP
Emissions U.S. EPA Tier 2 Equivalent
Torque Rise 33%
Engine Model Cat C32 with ACERT Technology
Note Standard ambient cooling.


Operator Sound Pressure - ANSI/SAE J1166 FEB08 72dB(A)
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 (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
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.

Hydraulic System - Lift/Tilt

Note High Lift configuration.
Lift/Tilt System - Pump Variable Piston
Cylinders - Lift/Tilt Double-acting
Relief Valve Setting - Lift/Tilt 4200psi
Maximum Flow at 1,650 rpm 311gal/min
Tilt Cylinder - Bore 9.3in
Lift Cylinder - Bore 10.5in
Lift/Tilt System - Circuit Positive Flow Control
Lift Cylinder - Stroke 66.2in
Tilt Cylinder - Stroke 40.9in

Hydraulic Cycle Times

Note High Lift configuration, calculated speeds.
Lower 3.8s
Rack Back 2.4s
Lower Float Down 3.1s
Total Hydraulic Cycle Time 17.2s
Dump 1.8s
Raise 9.2s

Standard Equipment

  • 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
  • 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
  • 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

  • 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)
  • 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