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Ziegler CAT

Caterpillar

994K Wheel Loader

Net Power

1739 HP

Operating Weight

534852 lb

Bucket Capacities

19.1-43.6 m3 (25-57 yd3)

Overview

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.

Photos

Videos

  • Meet the Pros: Randy Aneloski, Cat® Large Wheel Loaders
  • Cat® K Series Large Wheel Loader Operator Training

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Interior

360° interior view. Double click on the image to zoom in on any area of the product.

Specifications

  • Engine
    Spec Value
    Net Power 1739 HP
    Engine Model Cat® 3516E
    Bore 6.7 in
    Stroke 8.5 in
    Displacement 4766 in³
    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 - SAE J1995 1870 HP
    Peak Torque - 1,200 rpm - SAE J1995 8549 lb/ft
    Gross Power - ISO 14396 1847 HP
    Torque Rise 39%
    Net Power - SAE J1349 - Standard Ambient 1739 HP
    Note (4) *Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect.
    Net Power - SAE J1349 - High Ambient 1696 HP
    Note (1) The power ratings apply when tested under the reference conditions for the specified standard.
    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.
  • Operating Specifications
    Spec Value
    Operating Weight 534852 lb
    Bucket Capacity Range 17.2 - 43.6 m³ (22.3 - 57 yd³)
    Rated Payload - Standard Lift (Moderate to High Digging Resistance) 45 ton (US)
    Rated Payload - Standard Lift (Low to Moderate Digging Resistance) 60 ton (US)
    Rated Payload - High Lift (Moderate to High Digging Resistance) 42 ton (US)
    Rated Payload - High Lift (Low to Moderate Digging Resistance) 55 ton (US)
    Bucket Capacity Range - Iron Ore 17.2 - 21.4 m³ (22.3 - 28 yd³)
    Bucket Capacity Range - Rock 19.1 - 29.1 m³ (25 - 38 yd³)
    Bucket Capacity Range - Coal 32.1 - 43.6 m³ (42 - 57 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
  • Transmission
    Spec Value
    Transmission Type Cat Planetary Power Shift
    Forward - 1 4.6 mile/h
    Forward - 2 8 mile/h
    Forward - 3 13.6 mile/h
    Reverse - 1 5 mile/h
    Reverse - 2 8.8 mile/h
    Reverse - 3 14.9 mile/h
    Direct Drive - Forward 3 15.2 mile/h
    Direct Drive - Reverse 3 16.8 mile/h
    Direct Drive - Reverse 1 Lock-up disables
    Direct Drive - Forward 2 8.7 mile/h
    Direct Drive - Reverse 2 9.6 mile/h
    Direct Drive - Forward 1 Lock-up disables
    Note Travel speeds based on 58/85-57 tires.
  • Hydraulic System - Lift/Tilt
    Spec Value
    Relief Valve Setting - Lift/Tilt 4587 psi
    Maximum Flow at 1,700 rpm Engine Speed 541 gal/min
    Cylinders, Double Acting - Tilt, Bore and Stroke 310 × 1086 mm (12.2 × 42.8 in)
    Cylinders, Double Acting - Lift, Bore and Stroke 370 × 1713 mm (14.6 × 67.4 in)
    Pilot System Open Loop and Pressure Reducing
    Lift/Tilt System - Pump Variable Displacement Piston
    Lift/Tilt System - Circuit Positive Flow Control
  • Hydraulic Cycle Times
    Spec Value
    Raise 12.6 s
    Dump 3.1 s
    Rack Back 4.9 s
    Lower Float Down 4.2 s
    Total Hydraulic Cycle Time - Empty Bucket 23.5 s
  • Complete System Fill
    Spec Value
    Hydraulic Tank - Steering and Braking 100 gal (US)
    Transmission 110 gal (US)
    Fuel Tank - Standard 910 gal (US)
    Hydraulic Tank - Implement and Hydraulic Fan 270 gal (US)
    Engine Crankcase 76 gal (US)
    Cooling System 138 gal (US)
    Fuel Tank - With 24 hr Attachment 1500 gal (US)
    Differential - Final Drives - Rear 200 gal (US)
    Differential - Final Drives - Front 220 gal (US)
    Oil Renewal System (ORS)* 20 gal (US)
    Diesel Exhaust Fluid (DEF) (Tier 4 Final/Stage IV) 137 gal (US)
    Note *Not available on Tier 4 Final machines. Not available in all regions.
  • Buckets
    Spec Value
    Bucket Capacities 19.1-43.6 m3 (25-57 yd3)
  • Axles
    Spec Value
    Front Fixed
    Rear Trunnion
    Oscillation Angle
  • Brakes
    Spec Value
    Brakes ISO 3450:2011
  • Sound Performance - Standard
    Spec Value
    Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent 72 dB(A)
    Machine Sound Level (ISO 6395:2008) 119 dB(A)
    Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* 72 dB(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 a noisy environment.
    Note *EU Stage V ready.
  • Hydraulic System - Steering
    Spec Value
    Maximum Flow at 1,700 rpm Engine Speed 259 gal/min
    Relief Valve Setting - Steering 4496 psi
    Steering System - Circuit Pilot, Load Sensing
    Total Steering Angle 80 degrees
    Steering System - Pump Piston, Variable Displacement
    Steering Cycle Times - Low Idle 7.6 s
    Steering Cycle Times - High Idle 4.3 s
  • Cooling System
    Spec Value
    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
  • Dimensions - Standard Lift - Approximate
    Spec Value
    Front Axle Centerline to Bucket Tip 21.3 ft
    Rack Back Angle - Ground Level 39.7 degrees
    Clearance at Maximum Lift 20.2 ft
    Ground to Top of ROPS 23.4 ft
    Maximum Overall Length 64 ft
    Maximum Overall Height - Bucket Raised 38.6 ft
    Reach - Maximum Lift 9.3 ft
    Rack Angle at Maximum Lift 59.5 degrees
    Ground to Top of Exhaust Stacks 23.2 ft
    Ground to Bumper Clearance 4.4 ft
    Dump Angle at Maximum Lift –50.0 degrees
    Width - Over Tires - With Bulge 18.8 ft
    Ground to Center of Axles 6 ft
    Tread Width 14.1 ft
    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.
    B-Pin Height - Maximum Lift 28.8 ft
    Rack Back Angle - Carry 47.7 degrees
    Rear Axle - Centerline to Bumper 20.4 ft
    Ground to Lower Hitch Clearance 2.9 ft
    Ground to Top of Hood 18.6 ft
    Wheel Base 22.3 ft
  • Dimensions - High Lift - Approximate
    Spec Value
    Rack Back Angle - Carry 53.7 degrees
    Reach - Maximum Lift 8.8 ft
    Ground to Lower Hitch Clearance 2.9 ft
    Maximum Overall Length 66 ft
    Ground to Bumper Clearance 4.4 ft
    Rack Back Angle - Ground Level 45.0 degrees
    Tread Width 14.1 ft
    Clearance at Maximum Lift 23.3 ft
    Dump Angle at Maximum Lift –50.0 degrees
    Rear Axle - Centerline to Bumper 20.4 ft
    Ground to Center of Axles 6 ft
    Wheel Base 22.3 ft
    Maximum Overall Height - Bucket Raised 41.2 ft
    Ground to Top of Hood 18.6 ft
    Width - Over Tires - With Bulge 18.8 ft
    B-Pin Height - Maximum Lift 31.7 ft
    Ground to Top of Exhaust Stacks 23.2 ft
    Front Axle Centerline to Bucket Tip 23.3 ft
    Rack Angle at Maximum Lift 59.4 degrees
    Ground to Top of ROPS 23.4 ft
    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.
  • Sound Performance - Suppression
    Spec Value
    Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* 71 dB(A)
    Note *EU Stage V ready.
    Machine Sound Level (ISO 6395:2008) 117 dB(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 a noisy environment.
    Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent 71 dB(A)

Standard 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

Optional Equipment

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])