993K Wheel Loader

Overview
Net Power
973 hp
Operating Weight
294,687 lb
Bucket Capacities
12.2-23.7 m3 (16.0-31.0 yd3)
  • Exterior View
  • Interior View

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.

Engine

Net Power
973 hp
Net Power
973 HP

Operating Specifications

Operating Weight
294,687 lb
Rated Payload – High Lift
28 tons
Articulation Angle
43 Degrees
Cat Truck Match - High Lift
777, 785
Bucket Range
12.2-23.7 m3 (16.0-31.0 yd3)
Cat Truck Match - Standard Lift
777
Operating Weight - Tier 2 Equivalent*
294,687 lb
Operating Weight - Tier 4 Final*
294,687 lb
Operating Weight*
294,687 lb
Rated Payload - Standard Lift
30 t
Note
* High lift, 60/65-51 BFOR (311-1938), standard cooling, 13.8 m3 (18.0 yd3) bucket (496-9912).
Operating Weight
294,687 lb
Rated Payload - High Lift
28 t
Articulation Angle
43 °
Note
* High lift, 60/65-51 BFOR (311-1938), standard cooling, 13.8 m3 (18.0 yd3) bucket (496-9912).

Buckets

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

Transmission

Transmission Type
Cat Planetary Power Shift
Forward 1
4 mph
Forward 2
7 mph
Forward 3
13 mph
Reverse 1
5 mph
Reverse 2
8 mph
Reverse 3
14 mph
Direct Drive – Forward 2
8 mph
Direct Drive – Reverse 1
5 mph
Direct Drive – Reverse 2
9 mph
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 3
14 mile/h
Direct Drive - Reverse 3
16 mile/h
Direct Drive - Forward 2
8 mile/h
Note
50/65-51 BFOR (311-1938), calculated speeds.
Transmission Type
Cat Planetary Power Shift
Forward - 1
4 mile/h
Forward - 2
7 mile/h
Forward - 3
13 mile/h
Reverse - 1
5 mile/h
Reverse - 2
8 mile/h
Reverse - 3
14 mile/h
Direct Drive - Reverse 1
5 mile/h
Direct Drive - Reverse 2
9 mile/h
Note
50/65-51 BFOR (311-1938), calculated speeds.

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
10 degrees
Front
Fixed
Rear
Trunnion
Oscillation Angle
10 degrees

Hydraulic Cycle Time

Rackback
2 seconds
Raise
9 seconds
Dump
2 seconds
Total Hydraulic Cycle Time
17 seconds
Lower Float Down
3 seconds

Hydraulic System – Steering

Steering System – Circuit
Closed
Steering System – Pump
Piston, variable displacement
Total Steering Angle
86 degrees

Service Refill Capacities

Fuel Tank
573 gal
Cooling System
80 gal
Crankcase
32 gal
Transmission
52 gal
Differentials and Final Drives – Front
127 gal
Differentials and Final Drives – Rear
127 gal
Hydraulic System (tank only)
146 gal
Hydraulic System Factory Fill
230 gal (US)
Note
High Lift configuration.
Fuel Tank
573 gal (US)
Cooling System
80 gal (US)
Crankcase
32 gal (US)
Transmission
52 gal (US)
Hydraulic System - Tank Only
146 gal (US)
Differential - Final Drives - Front
127 gal (US)
Differential - Final Drives - Rear
127 gal (US)
Note
High Lift configuration.

Hydraulic System – Lift/Tilt

Lift/Tilt System – Circuit
Positive Flow Control
Lift/Tilt System – Pump
Variable Piston
Relief Valve Setting – Lift/Tilt
4,200 psi
Lift Cylinder – Bore
11 in
Lift Cylinder – Stroke
66 in
Tilt Cylinder – Bore
9 in
Tilt Cylinder – Stroke
41 in

Hydraulic Cycle Times

Lower
4 s
Note
High Lift configuration, calculated speeds.
Dump
2 s
Lower Float Down
3 s
Rack Back
2 s
Raise
9 s
Total Hydraulic Cycle Time
17 s

Hydraulic System - Steering

Relief Valve Setting - Steering
5,000 psi
Maximum Flow at 1,985 rpm (6900 kPa/1,000 psi)
133 gal/min
Steering System - Circuit
Closed
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86 °

Sound

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
70 dB(A)
Operator Sound Pressure - ANSI/SAE J1166 FEB08
72 dB(A)
Note
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
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
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 (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

Hydraulic System - Lift/Tilt

Maximum Flow at 1,650 rpm
311 gal/min
Cylinders - Lift/Tilt
Double-acting
Relief Valve Setting - Lift/Tilt
4,200 psi
Lift Cylinder - Bore
11 in
Note
High Lift configuration.
Lift Cylinder - Stroke
66 in
Lift/Tilt System - Circuit
Positive Flow Control
Lift/Tilt System - Pump
Variable Piston
Tilt Cylinder - Bore
9 in
Tilt Cylinder - Stroke
41 in

Engine - Tier 2 Equivalent

Bore
6 in
Displacement
1,959 in³
Emissions
U.S. EPA Tier 2 Equivalent
Engine Model
Cat C32 with ACERT Technology
Gross Power - SAE J1995
1,041 HP
Net Power - EEC 80/1269
973 HP
Net Power - ISO 14396
1,024 HP
Net Power - ISO 9249
973 HP
Net Power - SAE J1349
964 HP
Peak Torque - 1,250 rpm
4,034 ft-lb
Rated Speed
1,800 r/min
Stroke
6 in
Torque Rise
33%
Note
Standard ambient cooling.

Engine - Tier 4 Final

Bore
6 in
Displacement
1,959 in³
Emissions
U.S. EPA Tier 4 Final
Engine Model
Cat® C32 with ACERT™ Technology
Gross Power - SAE J1995
1,039 HP
Net Power - EEC 80/1269
973 HP
Net Power - ISO 14396
1,024 HP
Net Power - ISO 9249
973 HP
Net Power - SAE J1349
964 HP
Peak Torque - 1,250 rpm
4,034 lb/ft
Rated Speed
1,800 r/min
Stroke
6 in
Torque Rise
33%
Note
Standard ambient cooling.

Structures

Power Train

Hydraulics

Operator Station

Technology Solutions

Cat MineStar System

Safety

Serviceability

Customer Support

Sustainability

Bucket Ground Engaging Tools

System Match Efficiency

  • 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
  • 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
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