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966M (TIER 3/STAGE IIIA) (2017)



  • Cat C9.3 engine offers increased power density with a combination of proven electronic fuel and air systems.
  • Equipped with automatic Cat regeneration system, Cat clean emissions module (CEM) with Diesel Particulate Filter (DPF), and Diesel Exhaust Fluid (DEF) tank and pump (Tier 4 Final, Stage IV, and Stage V only).
  • Features an electric fuel priming pump and a fuel/water separator.
  • Thorough component design and machine validation processes result in unmatched reliability and uptime.


  • Heavy-duty transmission and axles handle extreme applications.
  • Automatic planetary powershift (4F/4R) transmission features durable, long-lasting components.
  • Full-flow hydraulic filtration system with additional loop filtration improves hydraulic system strength and component life.
  • Full hydraulic enclosed wet-disc with Integrated Braking System (IBS) and brake wear indicators add valued safety on the job.


  • Increased engine power resulting in improved machine performance and response.
  • Lock-up clutch transmission, matching the engine power to increase fuel efficiency while delivering optimal performance.
  • Z-bar linkage provides high breakout force at ground level.
  • Easy-to-load performance series buckets improve material retention and reduce dig times, significantly improving productivity and fuel efficiency.
  • Manual/automatic differential locks increase traction and reduce tire scuffing compared to other traction aids, reducing your operating costs.
  • Optional aggregate handler configuration offers higher payload capability for loose aggregate handling.*
  • Automatic idle engine shutdown system significantly reduces idle time, overall operating hours, and fuel consumption.

    * Optional configurations and equipment may vary from region to region and requires conformance to Caterpillar payload policy. Consult your dealer or Caterpillar representative for details.


  • Deep system integration results in lower fuel consumption.
  • Significantly more fuel efficient than both the H and K Series loaders.
  • Power dense engine burns less fuel by providing power and torque when needed.
  • Standard productive economy mode delivers more fuel savings with minimal productivity impact.
  • New split-flow oil system uses multi-viscosity oil to improve fuel economy.


  • The next generation easily adjustable seat with updated styling and a revolutionary suspension system. It comes in three trim levels and can be equipped with a 4-point harness.
  • Sound-suppression, seals, and damping cab mounts decrease noise and vibration for a quieter work environment.
  • The seat-mounted electro-hydraulic joystick steering system provides precision control and dramatically reduces arm fatigue, resulting in excellent comfort and accuracy.
  • Electrohydraulic (EH) controls, parking brake, and Single Axis Lever (SAL) lift and tilt function allow for better handling and control management.
  • Smart ergonomic controls are easy to use, intuitive, and user-friendly.
  • Touchscreen multi-function color display keeps operators focused.
  • The next generation of ride control works as a shock absorber, improving ride quality over rough terrain.
  • Inclined steps and convenient grab handles ease accessibility to the operating space.
  • Extended windows enhance visibility while convex and spot mirrors extend the driver’s view on the sides and rear.


  • Cab access with wide door, optional remote door opening,and stair-like steps add solid stability.
  • Floor-to-ceiling windshield, large mirrors with integrated spot mirrors, and rear-vision camera provide industry leading all-around visibility.
  • Computerized monitoring system includes several warning indicators.
  • Rear vision camera enhances visibility behind the machine, helping you work safely and confidently.
  • Optional rear object detection radar system warns you of an object in critical zone while going in reverse, enhancing job site safety.


  • Extended service intervals including –
  1. Engine oil and engine oil filter change interval up to 1000 hours (Tier 4 Final, Stage IV, and Stage V only)
  2. Hydraulic filter change interval up to 1000 hours
  3. Transmission oil change interval up to 2000 hours
  • One-piece tilting hood makes cab access fast and easy.
  • Electrical service centers enhance convenience and accessibility.
  • Access to fuel fill and daily maintenance points means less servicing time is required.
  • Optional integrated Cat autolube system provides full lube system monitoring and diagnostic test visibility.
  • Remote flash support.
  • Longer tire life with on-the-go traction aids.


  • Developed to monitor, manage, and enhance your job site operations.
  • Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
  • Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the job site.
  • Link wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business. Gain valuable insight into how your machine or fleet is performing allowing you to make timely, fact-based decisions that can boost job site efficiency and productivity.
  • Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.

    * Not legal for trade



  • Engineered for work in Transfer Stations, Recycling Depots, Scrap Yards and Demolition Sites.
  • Factory installed guarding improves uptime; guards protect axle seals, steering cylinders, crankcase, front frame, powertrain, tilt cylinders, lower cab and rear box. Package includes reinforced service centers, heavy duty cable steps, lift cylinder baffles, narrow front fenders, and steel rear fender deflectors.
  • Factory installed options available are solid tires, rear machine guard, rubber mounted cab glass, engine precleaner, powered and filtered cab precleaner and variable pitch cooling fan.
  • Cat Waste Buckets available separately are Load & Carry, Tamp & Clamp, Dozing, and Grapple can be fitted with steel or rubber cutting edge.


  • Designed for efficiency and productivity log and chip handling in paper, pellet and saw mills.
  • 966M Forest Machine includes logger counterweight to maintain stability carrying heavy loads, logger lift arm and tilt lever with larger tilt cylinders increase machine capacity 19% over base model and logger implement valve.
  • Factory options available are Fusion or VCE quick coupler, 3rd or 4th function hydraulics to operate top or high dump bucket, front windshield guard, variable pitch fan, high debris cooler cores, engine precleaner, axle oil coolers and premium LED lighting package.
  • Work Tools available separately are Sorting Grapple, Millyard, Logging, Pole and Log & Lumber Forks and Light Material High Dump and Chip Buckets.


  • Designed for corrosive environments such as fertilizer plants, chemical industries, agriculture, salt water ports and others.
  • Factory protection of all machine components that can be affected by corrosive materials.
  • Treatment includes E-Coat cooler cores, additional coating on main hydraulic valve, heat treated shrink sealant on hydraulic hoses, fittings and electrical wiring, all hinges greased, Zerust® vapor enclosure for electronic components, extra heavy duty alternator, turbine engine precleaner and varnish protection on engine compartment, internal chassis and all non-painted metallic parts.

Standard Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Engine, Cat C9.3 meets Tier 3/Stage IIIA equivalent or Tier 4/Final/Stage IV emission standards
    • Cat Clean Emissions Module (CEM) wih Diesel Particulate Filter (DPF) and Diesel Exhaust Fluid (DEF) tank and pump (Tier 4 Final/Stage IV models)
    • Fuel priming pump (electric)
    • Fuel/water separator
    • Precleaner, engine air intake
    • Economy Mode (selectable)
    • Transmission, automatic planetary power shift (4F/4R)
    • Torque converter, locking clutch with free wheel stator
    • Switch, transmission neutralizer lockout
    • Axles, manually actuated differential lock front axle, open differential rear axle
    • Axles, ecology drains
    • Brakes, full hydraulic enclosed wet-disc with Integrated Braking System (IBS)
    • Brake wear indicators
    • Parking brake, disc and caliper
    • Fan, radiator, on demand
    • Cab, pressurized and sound suppressed (ROPS/FOPS)
    • Viscous mounts
    • Multi-function 18 cm (7 in) color touch-screen display for rear vision camera, clock and machine parameters
    • EH controls, SAL (single axis lever) lift and tilt function
    • Steering, EH joystick, speed sensing with force feedback
    • Radio ready (entertainment) includes antenna, speakers and converter (12V, 10-amp)
    • Air conditioner, heater, and defroster (auto temp and fan)
    • EH parking brake
    • Beverage holders (2) with storage compartment for cell phone/MP3 player
    • Bucket/work tool function lockout
    • Coat hook (2)
    • Cab air filter
    • Ergonomic cab access ladders and handrails
    • Horn, electric
    • Light, two dome (cab)
    • Mirrors, rearview external with integrated spot mirrors
    • Post mounted membrane 16 switch keypad
    • 2 receptacles, 12V
    • Seat, Cat Comfort (cloth) air suspension
    • Seat belt, 51 mm (2 in) retractable, with indicator
    • Sun visor, front
    • Wet-arm wipers/washers front and rear, intermittent front wiper
    • Window, sliding (left and right sides)
    • Cab tie-off
    • With following gauges: Speedometer/tachometer; Digital gear range indicator; Diesel Exhaust Fluid (DEF) level (Tier 4 Final/Stage IV models); Temperature: engine coolant, hydraulic oil, transmission oil; Fuel level
    • With following warning indicators: Regeneration; Temperature: axle oil, engine intake manifold; Pressure: engine oil, fuel pressure hi/low, primary steering oil, service brake oil; Battery voltage hi/low, primary steering oil, service brake oil; Battery voltage hi/low; Engine air filter restriction; Hydraulic oil filter restriction; Hydraulic oil low; Parking brake; DEF low level (Tier 4 Final/Stage IV models); Transmission filter bypass
    • Batteries (2), maintenance free 1,400 CCA
    • Ignition key; start/stop switch
    • Starter, electric, heavy duty
    • Starting and charging system (24V)
    • Lighting system: Four halogen work lights (cab mounted); Two halogen roading lights (with signals); Two halogen rear vision lights (hood mounted)
    • Alarm, back-up
    • Alternator, 145-amp brushed
    • Main disconnect switch
    • Receptacle start (cables not included)
    • Link technologies: Product Link
    • Detect technologies: rear vision camera
    • Linkage, Z-bar, cast crosstube/tilt lever
    • Kickout, lift and tilt, automatic
    • Hydraulic system, load sensing
    • Steering, load sensing
    • Ride control, 2V
    • Remote diagnostic pressure taps
    • Hoses, Cat XT™
    • Oil sampling valves
    • Premixed extended life coolant with freeze protection to -34° C (-29° F)
    • Hood, non-metallic power tilting
    • Service centers (electrical and hydraulic)
    • Platform, window washing
    • Auto idle shutdown
    • Fenders, front with mud-flap/rear with extension
    • Ecology drains for engine, transmission, and hydraulics
    • Ether aid ready
    • Grill, airborne debris
    • Filters: fuel, engine air, engine oil, hydraulic oil, transmission
    • Fuel cooler
    • Grease zerks
    • Hitch, drawbar with pin
    • Precleaner rain cap
    • Sight gauges: engine coolant, hydraulic oil, and transmission oil level
    • Toolbox
    • Vandlism protection caplocks

Optional Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Axles – Automatic front/rear differential locks; Axle oil cooler; Extreme temperature seals; Seal guards
    • Fan, VPF (variable pitch fan), automatic and manual control
    • Radiator, high debris with wider fin spacing
    • Door, remote opening system
    • Cover, HVAC metallic
    • EH controls, SAL 3rd function – Additional roller switch for 4th function
    • EH controls, joyhstick lift and tilt – Additional integrated roller switches for 3rd and 4th functions
    • Filter, carbon fresh air
    • Mirrors, heated rearview external with integrated spot mirrors
    • Precleaner, HVAC
    • Precleaner, HVAC (RESPA)
    • Radio, AM/FM/CD/USB/MP3 Bluetooth with Satellite Sirius XM
    • Radio, CB ready
    • Seat, heated air suspension
    • Seat belt, 76 mm (3 in) retractable, with indicator
    • Steering, EH wheel with directional FNR shifter and gear selector – Additional FNR with implement controls
    • Roof, metallic
    • Steering, secondary
    • Sun visor, rear
    • Windows, rubber mounted
    • Windows, with front guard
    • Windows, with heavy duty front guard
    • Windows, with full guards front, rear and sides
    • Four additional auxiliary halogen cab mounted work lights or
    • Two additional auxiliary front HI LED and two additional auxiliary rear LED cab mounted work lights with 2 LED work lights in the radiator grill and LED front turn signals also includes replacement of the standard four halogen cab mounted work lights with four LED work lights (the standard offering and only roading light available is the halogen roading light)
    • Warning amber strobe beacon
    • Reversing strobes
    • External seat belt indicator light
    • Speed limiter – 20 km/h (Europe only)
    • Link technologies: VIMS™
    • Payload technologies: Advanced Productivity subscription; Cat Production Measurement 2.0; Printer; Aggregate Autodig
    • Detect technologies: Cat Rear Object Detection
    • Machine Security System
    • 3rd function with Ride Control: Standard linkage; High lift linkage; Forestry linkage
    • 4th function with Ride Control: Standard linkage; High lift linkage; Forestry linkage
    • Premixed extended life coolant with freeze protection to -50° C (-58° F)
    • Cold start – 120V
    • Cold start – 240V
    • High lift
    • Forestry
    • Quick coupler ready
    • Performance Series buckets
    • Fusion quick coupler
    • Forks, pallet
    • Forks, logging
    • Cat Autolube System
    • Fenders, roading
    • Guard, power train
    • Oil change, high speed engine
    • Precleaner, turbine
    • Precleaner, trash
    • Wheel chocks
    • Aggregate
    • Industrial & Waste
    • Forestry
    • Corrosion Resistance

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