993 Large Wheel Loader

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Engine ModelCat C32B
Operating Weight - Tier 4 Final*294687 lb (133668 kg)
Bucket Range12.2-23.7 m3 (16.0-31.0 yd3)
Bore5.7 in (145 mm)
Like all Cat® wheel loaders, the 993 is designed with durability built in, ensuring maximum availability through multiple lifecycles. With optimized performance, the 993 allows you to more efficiently move material. Introduced in 2008, the success of the 993 is a testament to its heritage. Infused with Cat DNA, the roots of performance, durability, comfort and efficiency run deep.


Engine ModelCat C32B
Operating Weight - Tier 4 Final*294687 lb (133668 kg)
Bucket Range12.2-23.7 m3 (16.0-31.0 yd3)
Bore5.7 in (145 mm)
Articulation Angle43 ° (43 °)
Dump1.8 s (1.8 s)
Cylinders - Lift/TiltDouble-acting
Bore5.7 in (145 mm)
Transmission TypeCat Planetary Power Shift
Forward - 14.2 mile/h (6.8 km/h)
Lower3.8 s (3.8 s)
Cat Truck Match - Standard Lift777
Cat Truck Match - High Lift777, 785
Lift Cylinder - Bore10.5 in (267 mm)
Displacement1959 in³ (32.1 l)
Displacement1959 in³ (32.1 l)
Operating Weight - Tier 2 Equivalent*294687 lb (133668 kg)
EmissionsU.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
EmissionsU.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
Forward - 27.4 mile/h (11.9 km/h)
Lift Cylinder - Stroke66.2 in (1682 mm)
Lower Float Down3.1 s (3.1 s)
Rack Back2.4 s (2.4 s)
Lift/Tilt System - CircuitPositive Flow Control
Forward - 312.7 mile/h (20.5 km/h)
Rated Payload - High Lift27.5 t (24.9 t)
Engine ModelCat C32B
Gross Power - SAE J19951039 HP (775 kW)
Reverse - 14.7 mile/h (7.5 km/h)
Gross Power - SAE J19951029 HP (767 kW)
Lift/Tilt System - PumpVariable Piston
Raise9.2 s (9.2 s)
Net Power - EEC 80/1269974 HP (726 kW)
Rated Payload - Standard Lift30 t (27.2 t)
Net Power - ISO 143961024 HP (764 kW)
Reverse - 28.1 mile/h (13.1 km/h)
Maximum Flow at 1,650 rpm311 gal/min (1180 l/min)
Note*High lift, 50/65-51 (364-6315) tires, standard cooling, 13.8 m3 (18 yd3 ) bucket (496-9912).
Total Hydraulic Cycle Time17.2 s (17.2 s)
Net Power - EEC 80/1269960 HP (716 kW)
Reverse - 313.9 mile/h (22.5 km/h)
Net Power - ISO 9249974 HP (726 kW)
NoteHigh Lift configuration, calculated speeds.
Net Power - ISO 143961015 HP (757 kW)
Relief Valve Setting - Lift/Tilt4200 psi (29500 kPa)
Direct Drive - Forward 1Lock-up disabled
Net Power - ISO 9249960 HP (716 kW)
Tilt Cylinder - Bore9.3 in (235 mm)
Net Power - SAE J1349964 HP (719 kW)
Net Power - SAE J1349952 HP (710 kW)
Direct Drive - Forward 28 mile/h (13 km/h)
Tilt Cylinder - Stroke40.9 in (1040 mm)
Peak Torque - 1,250 rpm4034 lb/ft (5470 N·m)
Direct Drive - Forward 314.1 mile/h (22.8 km/h)
NoteHigh Lift configuration.
Rated Speed1800 r/min (1800 r/min)
Peak Torque - 1,250 rpm4034 ft-lb (5470 N·m)
Direct Drive - Reverse 14.9 mile/h (8 km/h)
Stroke6.4 in (162 mm)
Rated Speed1800 r/min (1800 r/min)
Direct Drive - Reverse 28.8 mile/h (14.2 km/h)
Torque Rise33%
Stroke6.4 in (162 mm)
Direct Drive - Reverse 315.6 mile/h (25.2 km/h)
NoteStandard ambient cooling.
Torque Rise33%
Note50/65-51 (364-6315) calculated speeds.
NoteStandard ambient cooling.

Benefits and Features

  • Standard and optional features designed to improve visibility during truck loading operations, including an optional pull-down window shade and heated mirrors, plus lighting packages that provide excellent workspace visibility.
  • Optional Cat MineStar™ Detect system, which includes Cat Vision plus an Object Detection System that combines radar and camera systems to warn operators about light vehicles or stationary hazards within the immediate vicinity of their machines.
  • Improved access and egress, with integrated powered access system, 45-degree-angle wide stairs, emergency egress ladder, and full handrails on each side.
  • Wide walkways with non-skid surfaces and integrated lockout/tagout points designed into the service areas.

  • Reduced vibration, low sound levels and automatic temperature controls.
  • Pressurized cab featuring Next Gen Seat with 9-inch travel, active cooling and heating, adjustable lumbar support, seat cushion tilt adjustment, and air-adjustable bolsters on the seat and backrest.
  • Seat-mounted implement pod and STIC steer that moves with the seat.

  • Steering and Transmission Integrated Control System (STIC™), which combines directional selection, gear selection and steering into a single lever — for maximum responsiveness and control.
  • Low-effort integrated controls that make cycles smoother and faster while reducing operator fatigue.
  • Soft detent Electro-Hydraulic Controls, which are easy to use, and electronically controlled hydraulic cylinder stops that boost comfort.
  • Load-sensing hydraulic steering system, which helps operators achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.

  • Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS), which improve rimpull and reduce tire slippage and wear and improve fuel efficiency in certain applications.
  • Cat Planetary Powershift Transmission designed specifically for mining applications for consistent, smooth shifting and efficiency through integrated electronic controls, with three forward and three reverse speeds to match the application.
  • Positive Flow Control Hydraulic System, which boosts efficiency; enables fast, productive cycles; increases bucket feel and control; and delivers consistent performance and efficiency with lower system heat.
  • Cat C32B engine that delivers on-demand performance through the use of turbochargers and aftercoolers, with a 33% torque rise that ensures high lugging forces during digging and acceleration in high rimpull conditions.

  • ​​​​Auto Idle Kickdown with Auto Resume, which reduces the engine speed to low idle when the machine has been throttle-locked at a higher engine speed and has been in an idle state for an extended period of time; automatically resumes engine speed to previous throttle lock speed when the operator begins working.
  • Engine Idle Shutdown, which will automatically shut down the engine after extended periods of idling.
  • Powertrain torque strategy (PTS), a machine control feature that controls engine speed to provide optimum torque converter output torque and reduce engine fuel consumption.

  • Cat Product Link™, which provides remote access to information such as machine systems and diagnostic codes; utilization, fuel usage and payload summaries; and machine location, service meter hours and reporting status.
  • Upgraded touchscreen Advisor Display that enables operators to instantly recall personalized feature settings to decrease set-up time for individual operators, and provides access to productive cycle time, loader payload and fuel usage information.
  • Cycle Timer, which provides operator performance feedback by segmenting a loader truck loading cycle into eight segments and providing average cycle time information in an on-board display.
  • Cat Production Measurement (CPM) Payload Weighing System provides real time payload data to the operator. Operator display only; no wireless communication with Vision Link. Not compatible with Advanced Productivity.

  • Advanced filtration system that boosts the reliability of the hydraulic system.
  • Safe and convenient service thanks to ground-level or platform access; grouped service points; swing-out doors on both sides of the engine compartment; ecology drains; and Cat Sleeve Bearing cartridge pins, which eliminate the need for daily greasing and routine maintenance.
  • Standard Deluxe Service Center, which provides easy access Cat Electronic Technician (ET) as well as fluid level indicators for hydraulic oil, steering oil, windshield washer fluid, fuel, engine oil, engine coolant, and auto lube grease level (if equipped).

  • Variety of bucket options, including heavy-duty rock buckets for applications like face loading tightly compacted pit materials or handling materials of moderate abrasion and high impact; high-abrasion rock buckets for aggressive applications like face loading iron ore; and coal buckets for light density non-abrasive materials.
  • Cat Ground Engaging Tools (GET), which protect expensive components and help you get the most out of your machine’s performance and reduce your operating costs.
  • Cat GET that feature CapSure™ Retention Technology, which simplifies component replacement with hammerless retention for fast, easy and safe installation.
  • Available with a variety of performance-built Advansys GET, including CapSure sidebar protector; MAWPs on side and bottom; base end edge protector; edge protection options including CapSure shrouds and half arrow segment; and four CapSure Tip options: Heavy Duty, Heavy Abrasion, Heavy Penetration and Coal.

  • Delayed Engine Shutdown feature, which protects engine components from shutting down if they are too hot, to extend turbocharger and engine life.
  • Battery Management Strategy software control feature, which extends component life by shutting off electrical power to machine components when it has determined that the engine is not running.
  • Overspeed Prevention, which prevents overspeed of the steering pump when the loader is traveling, supplementing machine retarding.
  • Neutral Coast Inhibit, which inhibits shifting the transmission into neutral gear at high vehicle speeds, increasing service brake life and preventing coasting in neutral.

  • Field-proven solid-steel lift arms, which absorb high load stresses; feature one-piece castings that enhance strength in key pin areas; and are stress-relieved to increase durability and lengthen time to repair.
  • Highly durable structures that achieve multiple lifecycles and withstand the toughest loading conditions, with full box-section rear frame and four-plate loader tower resists torsional shock and twisting forces to maximize the life of mounted components.
  • Frame, powertrain, engine and components that all built to be rebuilt — using new, remanufactured or rebuilt parts and components — to deliver multiple lives of like-new performance at a fraction-of-new price.

  • Optional Cat MineStar™ Terrain for loading, which provides real-time feedback on payloads and design plan progress to increases productivity and accuracy, reduce rework, enhance ore control and improve shift-to-shift operator performance.
  • Optional MineStar Object Detection, which combines radar and camera systems to warn operators about light vehicles or stationary hazards within the immediate vicinity of their machines.
  • Optional MineStar Health, which delivers critical event-based machine condition and operating data and includes comprehensive equipment health and asset monitoring capabilities, with a wide range of diagnostic, analytic and reporting tools.
  • Upgraded touchscreen information display that provides intuitive operation and easy navigation and keeps operators informed about machine systems to decrease service time.

  • Designed to be more efficient and use less fuel, which reduces engine emissions and carbon footprint; Tier 4 Final engine reduces NOx and particulate matter.
  • Engine Idle Shutdown, which saves fuel by making it possible to avoid unnecessary idling.
  • Better control of fluids through use of Cat anti-drain filter housings and component ecology drains.
  • Cat Rebuild and Cat Reman programs, which preserve raw materials, conserve energy and reduce emissions.

Standard Equipment

  • Engine, C32B
  • Brakes, oil-cooled, multi-disc, service/secondary
  • Driveline parking brake
  • Fuel Priming Pump (electric)
  • Ground level engine shutoff
  • Precleaner, engine air intake (above hood)
  • Automatic, ether starting aid
  • Electronic throttle lock
  • Planetary powershift, 3F/3R electronic control transmission
  • Rimpull Control System
  • Standard ICTC
  • Case drain filters
  • VIMS download and Cat. Electronic
  • Technician service port in bumper
  • Axle ecology drain
  • Front walkway around cab
  • Ground-level fast-fill fuel system
  • Grouped hydraulic pressure ports
  • Guards, crankcase and power train
  • Drawbar hitch with pin
  • Linkage pins, maintenance free
  • Oil sampling valves
  • Product Link™
  • Service center with ground level electrical and fluid connections
  • Sight gauges for steering, implement and
  • transmission oil
  • Transmission lockout, bumper
  • Grease lines
  • Standard ambient package (recommended for site conditions that do not exceed 43°C [110° F])
  • 150-amp alternator
  • Four 1400 CCA batteries
  • Deutsch terminal connectors
  • 24V starting and charging system
  • 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 receptacle for emergency start
  • Starter and transmission lockouts in bumper
  • Heated Seat
  • Back-up alarm
  • Mirrors, rearview (externally mounted)
  • Seat, trainer with lap belt, 76 mm (3 in) wide
  • Seat belt, retractable, 76 mm (3 in) wide
  • Emergency platform egress
  • Implement lock switch
  • Stairway, left and right rear access
  • Steering and transmission lock lever, cab
  • Toe kicks
  • 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
  • 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)/Falling Object Protective Structure (FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 10-amp) and power port
  • Cigar lighter, ashtray
  • Coat hook
  • Dual lever lift and tilt function controls
  • 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
  • Wet-Arm wipers/washers (front and rear): – Intermittent front and rear wipers
  • Bonded glass, tinted
  • Automatic bucket leveler
  • Automatic lift and lower bucket kickout
  • Positive Flow Control implement system
  • Load-sensing steering
  • Standard lift (30 tons face)

Optional Equipment

  • ICTC with lock up clutch
  • Engine Brake
  • Automatic Autolube
  • High ambient package (recommended for site conditions that do not exceed 55° C [131°F])
  • Product Link (Cellular)
  • Product Link (Satellite)
  • 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])
  • –50° C (–58° F) antifreeze
  • Heated Mirrors
  • 120V or 240V coolant heating elements (recommended in conditions from –18° C to –30° C [0° F to –22° F])
  • LED warning strobe
  • Object detection (radar)
  • Rear vision camera
  • Egress, powered rear access
  • Secondary Steering
  • Wheel Chocks
  • Joystick lift and tilt function controls
  • AM/FM/CD/MP3 radio
  • Cab precleaner
  • Satellite Sirius radio with Bluetooth.
  • Sun screen
  • Rubber-mounted, high-impact resistant solar control glass (Complies with AS/NZS 2080)
  • ICTC with lock-up clutch
  • 40.00x51 spare rim
  • Tires – 50/65R51
  • Tires – 50/65-51
  • Axle oscillation limit stop
  • Ride Control
  • Rear Roading Fenders
  • High lift (27.5 tons face)
  • Sound-suppression package