Cat Wheel Loaders:

994K Wheel Loader

Net Power
1739 hp
Operating Weight
529149 lb
Bucket Capacities
19.1-24.5 m3 (25-32 yd3)
Engine Model
Cat® 3516E

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 1990, the 994 has become the top customer choice in its size class for over 25 years. Focused on helping our customers succeed, we have continued to build upon each new series’ legacy of reliability, safety, operator comfort, serviceability and sustainability.
All images included in this Specalog show a U.S. EPA Tier 1/EU Stage I Equivalent configuration. It’s important to note that the Tier 4 Final/EU Stage V Equivalent will have some physical differences, including the presence of a DEF tank.



Product Specs

  • Engine

  • Net Power
    1739hp
    Engine Model
    Cat® 3516E
    Emissions
    U.S. EPA Tier 1/EU Stage I Equivalent
    Bore
    6.7in
    Stroke
    8.5in
    Displacement
    4766in3
    Torque Rise
    39%
    Rated Speed
    1,600 rpm
    Gross Power – ISO 14396
    1847hp
    Gross Power – SAE J1995
    1870hp
    Note (1)
    The power ratings apply when tested under the reference conditions for the specified standard.
    Net Power - SAE J1349 - High Ambient
    1696HP
    Note (2)
    The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and muffler.
    Note (3)
    The gross power advertised is with the fan at maximum speed.
    Note (4)
    *Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect.
    Peak Torque - 1,200 rpm - SAE J1995
    8549lb/ft
    Net Power
    1739HP
    Engine Model
    Cat® 3516E
    Bore
    6.7in
    Stroke
    8.5in
    Displacement
    4766in³
    Rated Speed
    1,600 rpm
    Emissions
    U.S. EPA Tier 4 Final/EU Stage IV* or U.S. EPA Tier 1/EU Stage I Equivalent
    Gross Power - ISO 14396
    1847HP
    Gross Power - SAE J1995
    1870HP
    Torque Rise
    39%
    Net Power - SAE J1349 - Standard Ambient
    1739HP
  • Operating Specifications

  • Operating Weight
    529149lb
    Rated Payload - Standard
    45t
    Rated Payload - High Lift
    42t
    Bucket Capacity Range
    17.2 - 43.6 m³ (22.3 - 57 yd³)
    Rated Payload - Standard Lift (Moderate to High Digging Resistance)
    45ton (US)
    Rated Payload - Standard Lift (Low to Moderate Digging Resistance)
    60ton (US)
    Rated Payload - High Lift (Moderate to High Digging Resistance)
    42ton (US)
    Rated Payload - High Lift (Low to Moderate Digging Resistance)
    55ton (US)
    Bucket Capacity Range - Iron Ore
    17.2 - 21.4 m³ (22.3 - 28 yd³)
    Note
    *In Low to Moderate Digging Resistance: please contact your local dealer to determine if your application is suitable for this increased rated payload
    Bucket Capacity Range - Iron Ore
    22.3yd³
    Bucket Capacity Range - Rock
    19.1 - 29.1 m³ (25 - 38 yd³)
    Bucket Capacity Range - Coal
    32.1 - 43.6 m³ (42 - 57 yd³)
    Operating Weight
    534852lb
  • Buckets

  • Bucket Capacities
    19.1-24.5 m3 (25-32 yd3)
    Bucket Capacities
    19.1-43.6 m3 (25-57 yd3)
  • Transmission

  • Transmission Type
    Cat Planetary Power Shift
    Forward 1
    4.6mph
    Forward 2
    8.0mph
    Forward 3
    13.6mph
    Reverse 1
    5.0mph
    Reverse 2
    8.8mph
    Reverse 3
    14.9mph
    Direct Drive – Forward 2
    8.7mph
    Direct Drive – Reverse 2
    9.6mph
    Note
    Travel speeds based on 58/85-57 tires.
    Direct Drive - Forward 1
    Lock-up disables
    Direct Drive - Forward 3
    15.2mile/h
    Direct Drive - Reverse 1
    Lock-up disables
    Direct Drive - Reverse 3
    16.8mile/h
    Note
    Travel speeds based on 58/85-57 tires.
    Transmission Type
    Cat Planetary Power Shift
    Forward - 1
    4.6mile/h
    Forward - 2
    8mile/h
    Forward - 3
    13.6mile/h
    Reverse - 1
    5mile/h
    Reverse - 2
    8.8mile/h
    Reverse - 3
    14.9mile/h
    Direct Drive - Forward 2
    8.7mile/h
    Direct Drive - Reverse 2
    9.6mile/h
  • Axles

  • Front
    Fixed
    Rear
    Trunnion
    Oscillation Angle
    Front
    Fixed
    Rear
    Trunnion
    Oscillation Angle
  • Hydraulic System – Steering

  • Steering System – Circuit
    Pilot, Load Sensing
    Steering System – Pump
    Piston, Variable Displacement
    Total Steering Angle
    70°
  • Hydraulic Cycle Time

  • Raise
    12.6seconds
    Dump
    3.1seconds
  • Brakes

  • Brakes
    ISO 3450:2011
    Brakes
    ISO 3450:2011
  • Hydraulic System – Lift/Tilt

  • Maximum Flow at 1,700 rpm Engine Speed
    21gal/min
    Relief Valve Setting
    500psi
  • Sound Performance - Standard

  • Note
    *EU Stage V ready.
    Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
    72dB(A)
    Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV*
    72dB(A)
    Machine Sound Level (ISO 6395:2008)
    119dB(A)
    Sound Performance
    The measurement was conducted at 70 percent of the maximum engine cooling fan speed. 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
  • Sound Performance - Suppression

  • Machine Sound Level (ISO 6395:2008)
    117dB(A)
    Note
    *EU Stage V ready.
    Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
    71dB(A)
    Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV*
    71dB(A)
    Sound Performance
    The measurement was conducted at 70 percent of the maximum engine cooling fan speed. 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
  • Hydraulic Cycle Times

  • Rack Back
    4.9s
    Lower Float Down
    4.2s
    Total Hydraulic Cycle Time - Empty Bucket
    23.5s
    Raise
    12.6s
    Dump
    3.1s
  • Hydraulic System - Steering

  • Maximum Flow at 1,700 rpm Engine Speed
    259gal/min
    Relief Valve Setting - Steering
    4496psi
    Steering Cycle Times - Low Idle
    7.6s
    Steering Cycle Times - High Idle
    4.3s
    Steering System - Circuit
    Pilot, Load Sensing
    Steering System - Pump
    Piston, Variable Displacement
    Total Steering Angle
    80 degrees
  • Complete System Fill

  • Fuel Tank - Standard
    910gal (US)
    Fuel Tank - With 24 hr Attachment
    1500gal (US)
    Cooling System
    138gal (US)
    Engine Crankcase
    76gal (US)
    Transmission
    110gal (US)
    Differential - Final Drives - Front
    220gal (US)
    Differential - Final Drives - Rear
    200gal (US)
    Hydraulic Tank - Implement and Hydraulic Fan
    270gal (US)
    Hydraulic Tank - Steering and Braking
    100gal (US)
    Oil Renewal System (ORS)*
    20gal (US)
    Diesel Exhaust Fluid (DEF) (Tier 4 Final/Stage IV)
    137gal (US)
    Note
    *Not available on Tier 4 Final machines. Not available in all regions.
  • Hydraulic System - Lift/Tilt

  • Lift/Tilt System - Circuit
    Positive Flow Control
    Lift/Tilt System - Pump
    Variable Displacement Piston
    Maximum Flow at 1,700 rpm Engine Speed
    541gal/min
    Relief Valve Setting - Lift/Tilt
    4587psi
    Cylinders, Double Acting - Lift, Bore and Stroke
    370 × 1713 mm (14.6 × 67.4 in)
    Cylinders, Double Acting - Tilt, Bore and Stroke
    310 × 1086 mm (12.2 × 42.8 in)
    Pilot System
    Open Loop and Pressure Reducing
  • Dimensions - Standard Lift - Approximate

  • Ground to Top of ROPS
    23.4ft
    Ground to Top of Exhaust Stacks
    23.2ft
    Ground to Top of Hood
    18.6ft
    Ground to Bumper Clearance
    4.4ft
    Rear Axle - Centerline to Bumper
    20.4ft
    Front Axle Centerline to Bucket Tip
    21.3ft
    Wheel Base
    22.3ft
    Maximum Overall Length
    64ft
    Ground to Lower Hitch Clearance
    2.9ft
    Ground to Center of Axles
    6ft
    Clearance at Maximum Lift
    20.2ft
    Rack Back Angle - Ground Level
    39.7 degrees
    Rack Back Angle - Carry
    47.7 degrees
    B-Pin Height - Maximum Lift
    28.8ft
    Maximum Overall Height - Bucket Raised
    38.6ft
    Rack Angle at Maximum Lift
    59.5 degrees
    Dump Angle at Maximum Lift
    –50.0 degrees
    Reach - Maximum Lift
    9.3ft
    Note
    Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57.
    Tread Width
    14.1ft
    Width - Over Tires - With Bulge
    18.8ft
  • Dimensions - High Lift - Approximate

  • Ground to Top of ROPS
    23.4ft
    Ground to Top of Exhaust Stacks
    23.2ft
    Ground to Top of Hood
    18.6ft
    Ground to Bumper Clearance
    4.4ft
    Rear Axle - Centerline to Bumper
    20.4ft
    Front Axle Centerline to Bucket Tip
    23.3ft
    Wheel Base
    22.3ft
    Maximum Overall Length
    66ft
    Ground to Lower Hitch Clearance
    2.9ft
    Ground to Center of Axles
    6ft
    Clearance at Maximum Lift
    23.3ft
    Rack Back Angle - Ground Level
    45.0 degrees
    Rack Back Angle - Carry
    53.7 degrees
    B-Pin Height - Maximum Lift
    31.7ft
    Maximum Overall Height - Bucket Raised
    41.2ft
    Rack Angle at Maximum Lift
    59.4 degrees
    Dump Angle at Maximum Lift
    –50.0 degrees
    Reach - Maximum Lift
    8.8ft
    Note
    Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57.
    Tread Width
    14.1ft
    Width - Over Tires - With Bulge
    18.8ft
  • Cooling System

  • Ambient Capability Hydraulically Driven Demand Fan - Standard
    40.8°F
    Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final)
    127.4°F
    Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent)
    131°F

Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • Engine, 3516E High Displacement (HD) Mechanical Electronic Unit Injector (MEUI-A), Air-to-Air Aftercooling (ATAAC) diesel, turbocharged/aftercooled
    • Engine prelube
    • Fuel priming pump (electric)
    • Ground-level engine shutoff
    • Engine air intake (above hood) precleaner
    • Aluminum Modular Radiator (AMR)
    • Automatic, ether starting aid
    • Electronic throttle lock
    • Impeller Clutch Torque Converter (ICTC) with Lock-Up Clutch and rimpull control system
    • Rimpull control system
    • Planetary powershift, 3F/3R electronic control transmission
    • Delayed engine shutdown
    • Oil-cooled, multi-disc, service brakes
    • Electro-hydraulic parking brake
  • Linkage
    • Standard lift (40.8 tonnes/45 tons face, 54.4 tonnes/60 tons loose)
  • Electrical
    • Alternator
    • Dry batteries
    • 10/15 amp, 24V to 12V converter
    • Disconnect switch to bumper
    • LED warning lights (pattern selectable)
    • LED lighting system (working lights, access and service platform lights, turn signals/hazard lights)
    • Emergency jump-start receptacle
    • Starter and transmission lockout in bumper
    • 24V starting and charging system
    • Electric starters
    • 24V starting and charging system
    • Electric starters
  • Operator Environment
    • Bonded glass, tinted
    • Premium seat with heated and actively cooled leather, adjustable lumbar support, air adjustable bolsters on the seat and backrest, seat cushion tilt adjustment, and adjustable length seat cushion
    • Dual lever lift and tilt function controls
    • Implement kickouts
    • Air conditioner
    • Cab pressure indicator
    • Graphical touchscreen information display conveys real-time operating information and payload measurement
    • Heater, defroster, auto temperature controls
    • Gauge instrumentation
      – DEF Level, if equipped
      – Coolant temperature
      – Hydraulic oil temperature
      – Fuel level
      – Power train oil temperature
      – Engine speed (tachometer)
      – Transmission gear
      – Ground speed
      – Engine hour meter
    • Warning/indicator instrumentation
      – Low DEF Level, if equipped
      – Three category action alert system
      – Brake malfunction
      – Bucket float status
      – Delayed engine shutdown status
      – Engine idle shutdown status
      – Engine malfunction
      – Fuel economy mode enable status
      – Hydraulic lockout
      – Lockup clutch enable status
      – Low fuel level
      – Parking brake status
      – Quick shift enable status
      – Rimpull control enable status
      – Seat belt warning
      – Secondary steering
      – Throttle lock status
      – Transmission gear
      – Turn signal
    • Keypad control with indicator lights
      – Fuel economy mode
      – Implement kickouts
      – Lockup clutch
      – Manual lube
      – Quickshift enable
      – Rimpull control system
      – Side rearview mirror heater
      – Throttle lock
      – Turn signals
      – Dash backlight control
      – Hazard lights
    • Dome light in cab
    • Lunchbox and beverage holders
    • Steering and Transmission Integrated Control (STIC) system
    • Sun screen, pull down (front and rear)
    • Vital Information Management System (VIMS) with Information Display: external data port, Cycle Timer, integrated Cat Production Measurement (CPM)
    • Keypad, messenger, ET, VIMS
    • Coat hook
  • Safety
    • Electric (field and shop) horns
    • Ground-access ladders
    • Rear-vision camera
    • Front frame access with steps
    • Front walkway around cab
    • Pump bay access ladders with T-handle and platform
    • Tie-offs on ROPS and radiator guards
    • Steering frame lock
    • Stairways on both sides of the machine
    • LED stairway and access lights
    • Toe kicks
    • Retractable seatbelt, 76 mm (3 in) wide
    • Trainer seat with lap belt, 76 mm (3 in) wide
    • Back-up alarm
    • Secondary steering
  • Machine Control And Guidance
    • CPM Payload Weighing System
  • Fuel Tank
    • 12 hour (3440 L/910 gal)
  • Cooling
    • Standard ambient package (recommended for site conditions that do not exceed 43° C [110° F])
  • Service
    • Ground-level service center including:
      – Service center light
      – Implement and cooling fan oil level indicator
      – Steering and brake oil level indicator
      – Window washer solvent level indicator
      – Transmission oil level indicator
      – DEF level indicator (if equipped)
      – Fuel level indicator
      – Engine oil level indicator
      – Engine coolant level indicator
      – Automatic lubrication system grease tank level indicator
      – DEF purge indicator lamp
      – Starter lockout and LED
      – Heavy-duty battery disconnect switch
      – Stairway light switch
      – Service lighting switch (if equipped)
      – Fuel shutoff engine shutdown switch
      – Engine oil fast-fill port
      – Transmission oil fast-fill port
      – Steering and brake hydraulic oil fast-fill port
      – Steering and brake hydraulic oil drain port
      – Oil renewal system fast-fill port
      – Engine coolant fast-fill port
      – DEF fill port (HRC only)
      – Implement and cooling fan hydraulic oil fast-fill port
      – Implement and cooling hydraulic oil drain port
      – Automatic lubrication system grease tank fill port
      – 24V jump-start receptacle
      – 240V jacket water and engine oil heater plug (if equipped)
      – 12V power port
      – VIMS key switch
      – 14-pin machine data port
      – VIMS Messenger display
    • In-tank mounted cartridge-type case drain filters with in-line magnetic plugs on implement, cooling fan, brake and steering pumps
    • High-pressure screens on the output side of implement, cooling fan, brake and steering pumps
    • Pump efficiency monitoring
    • Automatic lubrication system greases the linkage, hitch, steering and axle trunnion bearings
    • Electronic pressure control of the automatic lubrication system eliminates pressure adjustment and monitors grease thickness for temperature compatibility
    • Rock guards on linkage grease lines
    • Cat O-ring face seal couplings
    • Lockable service access doors
    • Ecology drains for engine, radiator, hydraulic tank, steering and brake tank, brake cooling tank and axles
    • High-speed engine oil change system
    • Ground-level fast-fill fuel system
    • Transmission guard
    • Drawbar hitch with pin
    • Cat XT hoses
    • Left-side service center
    • Oil sampling valves
  • Efficiency
    • Economy Mode
    • Variable displacement implement pumps
    • Variable displacement load sensing steering
    • Variable displacement cooling fan pump
    • Torque converter lock-up clutch
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Spare Rims
    • 1118 mm (44") 152 mm (44 _ 57) (6") flange
    • 1194 mm (47") 152 mm (44 _ 57) (6") flange
    • 1194 mm (47") 127 mm (47 _ 57) (5") flange
  • Sound
    • Sound-suppression package
  • Rims And Tires
    • Rims – 1118 mm (44") (44 _ 57) 152 mm (6") flange. For use with 53.5/85-5776PR L5 tires
    • Tires – 53.5/85-57 FS 76PR L5 (require 44" rims)
    • Rims – 1194 mm (47") (47 _ 57) 127 mm (5") flange. For use with 60/80 R57L5R XMine D2 SR tires
    • Tires – 58/85-57 84PR L4 (require 47" rims)
    • Rims – 1194 mm (47") (47 _ 57) 152 mm (6") flange. For use with 58/85-5784PR L4 tires
  • Electrical
    • Service lights
  • Power Train
    • Oil Renewal System (ORS) (Not available on Tier 4 Final machines. Not available in all regions.)
  • Linkage
    • High lift (38.1 tonnes/42 tons face, 49.9 tonnes/55 tons loose)
  • Operator Environment
    • Rubber-mounted, high-impact resistant solar control glass (Complies with AS/NZS 2080)
    • Joystick lift and tilt function controls
    • AM/FM/AUX radio
    • AM/FM/AUX/USB/BT/CD/SAT radio
  • Safety
    • Powered ground-access stairs
    • Cat Detect (Rear Object Detection)
    • Wheel chocks
  • Cold Weather
    • Cold-weather cooling fan bypass (recommended for temperatures below –29° C [–20° F])
    • Heavy-duty starter (provides an additional electric starter motor and two additional batteries for a total of three starter motors and six batteries) (recommended for temperatures below 0� C [32� F])
    • 240V engine oil and coolant heating elements (recommended in conditions from –18° C to –30° C [0° F to –22° F])
    • Fuel heater (heated by recirculation using engine heat and a heat exchanger) (recommended in conditions from –18° C to –30° C [0° F to –22° F])
    • Heated mirrors (recommended for below-freezing temperatures)
  • Machine Control And Guidance
    • Cat Terrain ready
  • Fuel Tank
    • 24 hour (5700 L/1,506 gal)
  • Cooling
    • High ambient package (recommended for site conditions that do not exceed 53° C [127° F])

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