994K Wheel Loader

Overview
Net Power
1,739 hp
Operating Weight
534,852 lb
Bucket Capacities
19.1-24.5 m3 (25-32 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 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.

Engine

Net Power
1,739 hp
Engine Model
Cat® 3516E
Emissions
U.S. EPA Tier 4 Final/EU Stage IV* or U.S. EPA Tier 1/EU Stage I Equivalent
Bore
7 in
Stroke
9 in
Displacement
4,766 in3
Torque Rise
39%
Rated Speed
1,600 rpm
Gross Power – ISO 14396
1,847 hp
Gross Power – SAE J1995
1,870 hp
Net Power - SAE J1349 - Standard Ambient
1,739 HP
Net Power - SAE J1349 - High Ambient
1,696 HP
Peak Torque - 1,200 rpm - SAE J1995
8,549 lb/ft
Note
The power ratings apply when tested under the reference conditions for the specified standard.
Note
The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and muffler.
Note
The gross power advertised is with the fan at maximum speed.
Note
*Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect.
Net Power
1,739 HP
Engine Model
Cat® 3516E
Bore
7 in
Stroke
9 in
Displacement
4,766 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 - ISO 14396
1,847 HP
Gross Power - SAE J1995
1,870 HP
Torque Rise
39%
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.
Note (4)
*Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect.

Operating Specifications

Operating Weight
534,852 lb
Rated Payload - Standard
45 t
Rated Payload - High Lift
42 t
Bucket Capacity Range
19.1-24.5 m3 (25-32 yd3)
Bucket Capacity Range - Iron Ore
22 yd³
Bucket Capacity Range - Rock
19.1-24.5 m3 (25-32 yd3)
Bucket Capacity Range - Coal
32.1-43.6 m3 (42-57 yd3)
Operating Weight
534,852 lb

Buckets

Bucket Capacities
19.1-24.5 m3 (25-32 yd3)
Bucket Capacities
19.1-24.5 m3 (25-32 yd3)

Transmission

Transmission Type
Cat Planetary Power Shift
Forward 1
5 mph
Forward 2
8 mph
Forward 3
14 mph
Reverse 1
5 mph
Reverse 2
9 mph
Reverse 3
15 mph
Direct Drive – Forward 2
9 mph
Direct Drive – Reverse 2
10 mph
Direct Drive - Forward 1
Lock-up disables
Direct Drive - Forward 3
15 mile/h
Direct Drive - Reverse 1
Lock-up disables
Direct Drive - Reverse 3
17 mile/h
Note
Travel speeds based on 58/85-57 tires.
Transmission Type
Cat Planetary Power Shift
Forward - 1
5 mile/h
Forward - 2
8 mile/h
Forward - 3
14 mile/h
Reverse - 1
5 mile/h
Reverse - 2
9 mile/h
Reverse - 3
15 mile/h
Direct Drive - Forward 2
9 mile/h
Direct Drive - Reverse 2
10 mile/h
Note
Travel speeds based on 58/85-57 tires.

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
80 degrees

Hydraulic Cycle Time

Raise
13 seconds
Dump
3 seconds

Brakes

Brakes
ISO 3450:2011
Brakes
ISO 3450:2011

Hydraulic Cycle Times

Rack Back
5 s
Lower Float Down
4 s
Total Hydraulic Cycle Time - Empty Bucket
24 s
Raise
13 s
Dump
3 s

Hydraulic System - Steering

Maximum Flow at 1,700 rpm Engine Speed
259 gal/min
Relief Valve Setting - Steering
4,496 psi
Steering Cycle Times - Low Idle
8 s
Steering Cycle Times - High Idle
4 s
Steering System - Circuit
Pilot, Load Sensing
Steering System - Pump
Piston, Variable Displacement
Total Steering Angle
80 degrees

Complete System Fill

Fuel Tank - Standard
910 gal (US)
Fuel Tank - With 24 hr Attachment
1,500 gal (US)
Cooling System
138 gal (US)
Engine Crankcase
76 gal (US)
Transmission
110 gal (US)
Differential - Final Drives - Front
220 gal (US)
Differential - Final Drives - Rear
200 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan
270 gal (US)
Hydraulic Tank - Steering and Braking
100 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.

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
541 gal/min
Relief Valve Setting - Lift/Tilt
4,587 psi
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

Sound Performance - Standard

Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
72 dB(A)
Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV*
72 dB(A)
Machine Sound Level (ISO 6395:2008)
119 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
Note
*EU Stage V ready.

Dimensions - Standard Lift - Approximate

Ground to Top of ROPS
23 ft
Ground to Top of Exhaust Stacks
23 ft
Ground to Top of Hood
19 ft
Ground to Bumper Clearance
4 ft
Rear Axle - Centerline to Bumper
20 ft
Front Axle Centerline to Bucket Tip
21 ft
Wheel Base
22 ft
Maximum Overall Length
64 ft
Ground to Lower Hitch Clearance
3 ft
Ground to Center of Axles
6 ft
Clearance at Maximum Lift
20 ft
Rack Back Angle - Ground Level
39.7 degrees
Rack Back Angle - Carry
47.7 degrees
B-Pin Height - Maximum Lift
29 ft
Maximum Overall Height - Bucket Raised
39 ft
Rack Angle at Maximum Lift
59.5 degrees
Dump Angle at Maximum Lift
–50.0 degrees
Reach - Maximum Lift
9 ft
Tread Width
14 ft
Width - Over Tires - With Bulge
19 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.

Dimensions - High Lift - Approximate

Ground to Top of ROPS
23 ft
Ground to Top of Exhaust Stacks
23 ft
Ground to Top of Hood
19 ft
Ground to Bumper Clearance
4 ft
Rear Axle - Centerline to Bumper
20 ft
Front Axle Centerline to Bucket Tip
23 ft
Wheel Base
22 ft
Maximum Overall Length
66 ft
Ground to Lower Hitch Clearance
3 ft
Ground to Center of Axles
6 ft
Clearance at Maximum Lift
23 ft
Rack Back Angle - Ground Level
45.0 degrees
Rack Back Angle - Carry
53.7 degrees
B-Pin Height - Maximum Lift
32 ft
Maximum Overall Height - Bucket Raised
41 ft
Rack Angle at Maximum Lift
59.4 degrees
Dump Angle at Maximum Lift
–50.0 degrees
Reach - Maximum Lift
9 ft
Tread Width
14 ft
Width - Over Tires - With Bulge
19 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.

Cooling System

Ambient Capability Hydraulically Driven Demand Fan - Standard
109 °F
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final)
127 °F
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent)
131 °F

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
71 dB(A)
Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV*
71 dB(A)
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
Note
*EU Stage V ready.

Structures

Power Train

Hydraulics

Operator Station

Technology Solutions

Cat MineStar System

Safety

Serviceability

Customer Support

Sustainability

Buckets and Ground Engaging Tools

System Match Efficiency

  • Electrical
    • Back-up alarm
    • Alternator (225 amp)
    • Dry batteries
    • 10/15 amp, 24V to 12V converter
    • Disconnect switch in 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
    • Combined VIMS download and Cat Electronic Technician service port in bumper
    • 24V starting and charging system
    • Electric starters
  • Operator Environment
    • Air conditioner
    • Cab pressure indicator
    • Cab is sound suppressed and pressurized with separate external rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
    • Cat Vision (rear vision camera system)
    • Coat hook
    • Lift and tilt function controls
    • Graphical touchscreen information display, conveys real time operating information and payload measurement
    • Heater, defroster, auto temperature controls
    • Electric (field and shop) horns
    • 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
    • Rearview mirrors (externally mounted)
    • Retractable seat belt, 76 mm (3 in) wide
    • Cat Comfort (cloth), air suspension, six-way adjustable seat
    • Trainer seat with lap belt, 76 mm (3 in) wide
    • STIC system
    • Sun screen, pull down (front and rear)
    • Tinted glass
    • VIMS with Information Display: external data port, Cycle Timer, integrated Cat Production Measurement
    • Intermittent wet arm wipers/washers (front and rear)
    • Service center
      – Keypad, messenger, ET, VIMS, stairway lamp
  • Power Train
    • Oil cooled, multi-disc, service/secondary brakes
    • Case drain filters
    • Electro-hydraulic parking brake
    • Engine, 3516E High Displacement (HD) Mechanical Electronic Unit Injector (MEUI-A) Air-to-Air After Cooling (ATAAC) diesel, turbocharged/aftercooled
    • Engine prelube
    • Fuel priming pump (electric)
    • Ground level engine shutoff
    • Engine air intake (above hood) precleaner
    • Radiator, Aluminum Modular Radiator (AMR)
    • Automatic, ether starting aid
    • Electronic throttle lock
    • Impeller Clutch Torque Converter (ICTC) with Lock-Up Clutch (LUC) and rimpull control system
    • Planetary powershift, 3F/3R electronic control transmission
  • Other
    • Automatic bucket lift/tilt kickout/positioner
    • Automatic lubrication system
    • Cat O-ring face seal couplings
    • Lockable service access doors
    • Ecology drains
    • Economy Mode
    • High speed engine oil change system
    • Front frame access with steps
    • Front walkway around cab
    • Ground level fast fill fuel system
    • Transmission guard
    • Drawbar hitch with pin
    • Cat XT hoses
    • Implement, steering and brake filtration/screening system
    • Left side service center
    • Oil sampling valves
    • Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
    • Pump bay access ladders with T-handle and platform
    • Rear access to cab and service platform
    • Load sensing steering
    • Supplemental steering system
    • Tie-offs on ROPS and radiator guards
    • Toe kicks
    • Vandalism protection caplocks
    • Cooling cleanout service package
    • Venturi stacks
  • Power Train
    • Oil Renewal System (ORS) (Not available on Tier 4 Final machines. Not available in all regions.)
  • Electrical
    • Service lights
  • Operator Environment
    • AM/FM/CD/MP3 radio
    • AM/FM/CD/MP3 radio with Bluetooth® and satellite ready
  • Machine Control And Guidance
    • Cat Terrain ready
  • Spare Rims
    • 1118 mm (44") spare rim
    • 1194 mm (47") spare rim
  • Miscellaneous Attachments
    • Wheel chocks
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