986K Wheel Loader

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. The new 986K builds upon this legacy of durability, performance, safety, operator comfort, serviceability and sustainability.

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Net Power
373 hp
Operating Weight
98806 lb
Bucket Capacities
5-10.3 m3 (6.5-13.5 yd3)
Engine Model
Cat® C15 ACERT™

Product Specs


Net Power
Engine Model
Cat® C15 ACERT™
Torque Rise
U.S. EPA Tier 4 Final/EU Stage IV, China Nonroad Stage III, and Brazil MAR-1
Gross Power – ISO 14396
Peak Power Speed: 1,600 rpm – SAE J1995
Peak Power Speed: 1,600 rpm – SAE J1995 (DIN)
Peak Torque @ 1,200 rpm – SAE J1995
Peak Power Speed: 1,600 rpm – ISO 14396
Peak Power Speed: 1,600 rpm – ISO 14396 (DIN)
Rated Speed: 2,000 rpm – EEC 80/1269
Rated Speed: 2,000 rpm – EEC 80/1269 (DIN)
Rated Speed: 2,000 rpm – ISO 9249
Rated Speed: 2,000 rpm – ISO 9249 (DIN)
Rated Speed: 2,000 rpm – SAE J1349
Rated Speed: 2,000 rpm – SAE J1349 (DIN)

Operating Specifications

Operating Weight
Bucket Capacity Range
5-10.3 m3 (6.5-13.5 yd3)
Cat Truck Match – Standard
Cat Truck Match – High Lift
Rated Payload – Loose Material (High Lift)
Rated Payload – Loose Material (Standard)
Rated Payload – Quarry Face
Operating Weight – Standard
Operating Weight – High Lift
Rated Payload – Standard (Quarry Face)
Rated Payload – Standard (Loose Material)
Rated Payload – High Lift (Quarry Face)
Rated Payload – High Lift (Loose Material)


Bucket Capacities
5-10.3 m3 (6.5-13.5 yd3)


Transmission Type
Cat Planetary Power Shift
Forward 1
Forward 2
Reverse 1
Reverse 2
Direct Drive – Forward 2
Direct Drive – Forward 3
Direct Drive – Forward 4
Direct Drive – Reverse 2
Direct Drive – Reverse 3
Direct Drive – Reverse 4


Oscillation Angle
Oscillation Angle (chain arrangement)

Hydraulic Cycle Time

Total Hydraulic Cycle Time
Lower Float Down

Hydraulic System – Steering

ISO 5010:2007: Steering System – Circuit
Load Sense
ISO 5010:2007: Steering System – Pump
Piston, variable displacement
ISO 5010:2007: Maximum Flow @ 1,400 rpm
ISO 5010:2007: Steering Cutoff Pressure
ISO 5010:2007: Total Steering Angle

Service Refill Capacities

Fuel Tank
Axle Oil: Differentials and Final Drives – Front
Axle Oil: Differentials and Final Drives – Rear
Hydraulic System (tank only)
Fuel Tank (Short Lift)
Cooling Systems
Hydraulic System Factory Fill
Diesel Exhaust Fluid Tank (for Tier 4 Final/Stage IV only)

Hydraulic System – Lift/Tilt

Maximum Flow at 2,165 rpm
Lift/Tilt System – Circuit
Load Sense
Lift/Tilt System Pumps
2 × 110 cc variable displacement
Relief Valve Setting – Lift/Tilt
Lift Cylinder – Bore
Lift Cylinder – Stroke
Tilt Cylinder – Bore
Tilt Cylinder – Stroke


ISO 3450:2011

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Operator Cab

ROPS/FOPS meet ISO 3471:2008 (ROPS) and ISO 3449:2005 Level II (FOPS)

Dimensions (Approximate) – Standard Lift Linkage

Ground to Top of ROPS
Ground to Top of Exhaust Stacks
Ground to Top of Hood
Ground to Center of Front Axle
Ground to Fuel Tank Clearance
Ground to Lower Hitch Clearance
Reach at Maximum Lift
Clearance at Maximum Lift
B-Pin Height at Maximum Lift
Maximum Overall Height, Bucket Raised
Rear Axle Center Line to Bumper
Wheel Base
Maximum Overall Length
Front Axle Centerline to Bucket Tip
Specs are calculated with a 6.1 m3 (8.0 yd3) rock bucket.

Dimensions (Approximate) – High Lift Linkage

Ground to Top of ROPS
Ground to Top of Exhaust Stacks
Ground to Top of Hood
Ground to Center of Front Axle
Ground to Fuel Tank Clearance
Ground to Lower Hitch Clearance
Reach at Maximum Lift
Clearance at Maximum Lift
B-Pin Height at Maximum Lift
Maximum Overall Height, Bucket Raised
Rear Axle Center Line to Bumper
Wheel Base
Maximum Overall Length
Front Axle Centerline to Bucket Tip
Specs are calculated with a 6.1 m3 (8.0 yd3) rock bucket.

Sound Performance – Tier 4 Final/Stage IV: Standard

Operator Sound Level (ISO 6396)
Machine Sound Level (ISO 6395)

Sound Performance – Tier 4 Final/Stage IV: Suppression

Operator Sound Level (ISO 6396)
Machine Sound Level (ISO 6395)

Benefits & Features


Best built for the toughest conditions.

Robust Structures

Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest loading conditions.

  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering cylinder mounts efficiently transmit loads into the frame.
  • Cast axle pivot mounting areas better disperse stress loads for increased structural integrity.

Lift Arms

Your key to maximum uptime and productivity is our field-proven lift arms.

  • Excellent visibility to the bucket edges and work area through a Z-bar design.
  • High load stresses are absorbed by the solid steel lift arms.
  • Enhance strength in key pin areas through the use of one piece castings.

Front Linkage

To ensure long life and reliability, the linkage pin joints feature a greased pin design with optional auto lube system.

Power Train

Move material more efficiently with improved power and control.

Cat® Planetary Powershift Transmission

Building your success begins with a best-in-class transmission designed specifically for mining applications.

  • Consistent, smooth shifting and efficiency through integrated electronic controls.
  • Heat treated gears and shafts extend component life and maximize reliability.
  • Four forward and four reverse speeds to match your application.

Cat C15 ACERT Engine

Durability and efficiency at the heart of your 986K comes from the Cat® C15 ACERT engine. Optimum performance is built in to this 6 cylinder turbocharged engine.

  • Meets Tier 4 Final/Stage IV, China Nonroad Stage III, and Brazil MAR-1 emission standards.
  • Mechanically Actuated Electronic Unit Injection (MEUI™) gives the C15 ACERT complete control over injection timing, duration and pressure.
  • The Advanced Diesel Engine Management (ADEM™) A4 electronic control module manages fuel delivery to optimize performance and provide quick engine response.

Transmission Neutralizer Pedal

  • Extends service brake life by neutralizing transmission as service brakes are applied.
  • Allows full power to implement system while the machine is stationary during truck loading.

Set Point for Neutralization – Start of service brake pressure modulation

Full Pedal Travel – Maximum brake pressure


Productivity enabling you to move more and make more.

Load Sense Hydraulics

Increase efficiency through our Load Sense Hydraulic System. Load sense hydraulics maximize performance by directing hydraulic fluid flow through implement and steering system only when needed.

  • Lowered fuel consumption.
  • Consistent performance and efficiency with lower system heat.

Electro Hydraulic Controls

Operators increase productivity with our responsive implements feature.

  • Operate comfortably through electronically controlled hydraulic cylinder stops.
  • Handle easy-to-use soft detent controls.
  • Conveniently set automatic implement kickouts from inside the cab.

Steering System

Confident loader operation starts with precise machine control enabled by the 986K’s load sensing hydraulic steering system.

  • Increase efficiency with our variable displacement piston pumps.
  • Achieve precise positioning for easy loading in tight areas with 35 degrees of steering articulation.
  • Enhance operator comfort with integrated steering and transmission control functions.

Filtration System

Benefit from extended performance and reliability of your hydraulic system with our advanced filtration system.

  • Hydraulic oil cooler return filter.
  • Pilot filter.
  • Return and case drain screens inside hydraulic tank.
  • Axle oil cooler screens if equipped.

Operator Station

Best-in-Class operator comfort and ergonomics.

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.

Entry and Exit

Enter and exit the cab easily and safely with these newly designed, ergonomic features.

  • Fold up STIC™ steer/armrest.
  • Reduced access stairway angles.
  • Standard stairway lighting.

Cat Comfort Series III Seat

Enhance comfort and helps reduce operator fatigue with Cat Comfort Series III seat.

  • Mid back design and extra thick, contoured cushions.
  • Air suspension system.
  • Easy-to-reach seat levers and controls for six way adjustments.
  • Seat-mounted implement pod and STIC steer that moves with the seat.
  • 76 mm (3 in) wide retractable seat belt.
  • Optional 4-point seat belt.

Control Panel

Ergonomic placement of switches and information display keep your operators comfortable all day every day.

  • Large backlit membrane switches feature LED activation indicators.
  • Switches feature ISO symbols for quick function identification.
  • Two position rocker switch activates the electro hydraulic park brake.


Your operator’s productivity is enhanced with our clean, comfortable cab environment.

  • Experience reduced vibrations from isolated cab mounts and seat air suspension.
  • Maintain desired cab temperature with automatic temperature controls.
  • Pressurized cab with filtered air.
  • Reduced operator sound levels.
  • Convenient floor storage tray/lunch box.

Technology Solutions

Greater productivity through Integrated Electronic Systems.

Integrated electronics provide flexible levels of information to both the site and the operator. This integration creates a smart machine and more informed operator, maximizing the productivity of both.

Information Display

We have worked hard to help our customers and operators perform at their best through our newly upgraded touch screen information display.

  • Intuitive operation and easy navigation with our enhanced user interface.
  • Decrease service time by keeping operators informed about machine systems.

Cat Production Measurement

Brings payload weighing to the cab, enabling operators to weight loads on-the-go during loading operations. Loads are weighed as the bucket is raised during the lift cycle – eliminating the need to interrupt the load cycle, improving loading efficiency.

  • Operators can view load weights on the information display.
  • Instant feedback gives operators the confidence to work more effectively.
  • Operators can track recorded weights and cycles using the display.

Cat Product Link™ Elite

Take the guesswork out of asset management with Product Link remote monitoring.

  • Remote access to information through the easy-to-use VisionLink® interface.
  • Maximize uptime by staying informed on machine systems and diagnostic codes.
  • Track machine with utilization, fuel usage, and payload summaries.
  • Stay up to date on machine location, service meter hours, and reporting status.


Making your safety our priority.

We are constantly improving our products in an effort to provide a safe work environment for the operator and those who work on your job site.

Machine Access

  • Left and right hand stairs with 45 degree angle enhance safety for operators getting on and off the 986K.
  • Continuous walkway with non-skid surfaces are designed into the service areas.
  • Maintain three points of contact at all times through ground level or platform accessible service areas.


  • External handrail mounted rearview mirrors ensure enhanced visibility for safe operation.
  • Cat Vision and optional Cat Detect with radar increase operator awareness around the machine.
  • Halogen, HID, or LED lights provide excellent workspace visibility.
  • Cab mounted LED warning beacons.

Operator Environment

  • Reduced vibrations to the operator with isolated cab mounts and seat mounted implement and steering controls.
  • Low interior sound levels.
  • Pressurized cab with filtered air.
  • Standard 76 mm (3 in) seat belts on the operator seat.


Enabling high uptime by reducing your service time.

We can help you succeed by ensuring your 986K has design features to reduce your downtime.

  • Longer service intervals on fluids and filters.
  • Safe and convenient service with ground level or platform access and grouped service points.
  • Centralized, ground level grease points for injecting grease into linkage pin joints.
  • Centralized remote pressure taps for power train components.
  • Ground electrical service center with Jump Start Receptacle, Emergency engine shutdown switch, Battery disconnect switch and Circuit breakers.

Customer Support

Your Cat dealers know how to keep your mining machines productive.

Legendary Cat Dealer Support

A valued partner, your Cat dealer is available whenever you need them.

  • Preventive maintenance programs and guaranteed maintenance contracts.
  • Best-in-class parts availability.
  • Improve your efficiency with operator training.
  • Genuine Cat Remanufactured parts.


Reducing impact to the environment.

Reducing Impact to the Environment

Sustainability is designed and built into our 986K’s features.

  • Engine Idle Shutdown can help you save fuel by avoiding unnecessary idling.
  • Reduce waste with our maintenance free or extended maintenance batteries.
  • To assist with maximizing machine life, Caterpillar provides a number of sustainable options such as our Reman and Certified Rebuild programs. In these programs, reused or remanufactured components can deliver cost savings of 40 to 70 percent, which lowers operating cost while reducing impact to the environment.
  • Caterpillar offers retrofit packages to bring new features to older machines, maximizing your resource. And, when you go through the Cat Certified Rebuild program, these retrofit kits are part of the rebuild process.

Bucket Ground Engaging Tools

Protect your investment.

Performance Series Buckets

Performance Series Buckets feature an optimized profile maximizing material retention and minimizing dig time, translating into significant productivity and fuel efficiency improvements. All 986K buckets are manufactured with the Performance Series design.

Rock Buckets

Designed for use in bank or face loading of limestone and other unprocessed rock. Application also includes truck and hopper loading for a wide range of quarry materials. GET includes spade nose cutting edge with adapters, half arrow segments, bottom wear plates, and side bar protectors.

Heavy Duty Rock Buckets

Designed for use in applications like face loading tightly compacted pit materials or handling materials of moderate abrasion and high impacts. GET are similar to the rock bucket with the addition of floor liner, half radius liners and bolt-on bottom edge wear plates. 20-series mechanically attached wear plates (MAWPS) are provided for additional wear protection and improved serviceability. Base edge end protection, ski plates, additional side wear plates, wings and an extra set of side bar protectors are also included.

General Purpose Buckets

Designed for use primarily in stockpiling, re-handling and aggregate applications. GET includes a straight base edge with a bolt-on cutting edge system. Curved side bars are provided to aid in material retention.

Coal Buckets

Designed with a larger capacity for use in applications with light density and non-abrasive materials. GET includes a straight base edge with a bolt-on cutting edge system.

GET Options

Multiple GET options are available to customize your 986K to your application, such as:

  • Sidebar protectors.
  • General duty and penetration tips.
  • Standard and half arrow segments.

Enhance the productivity of your loader and protect your investment in buckets with our Ground Engaging Tools (GET). Your knowledgeable Cat dealer will work with you to understand your application and needs for the GET that is best for you. For a full list of Cat GET please visit http://www.cat.com/get.

System Match Efficiency

Efficient loading/hauling system starts with a perfect match.

Efficient Combination

For full truck payloads with minimum loading time, an efficient loading/hauling system starts with a perfect match. Cat wheel loaders are matched with Cat articulated and off-highway trucks to maximize volume of material moved at the lowest operating cost per ton.

The 986K equipped with the standard linkage is a perfect four pass match for the 770G (38.6 tonnes/42.6 tons). The 986K equipped with a high lift linkage is capable of loading a 772G (47.7 tonnes/52 tons) in 5 passes and a 773E or 773G (56 tonnes/61.7 tons) in 6 passes.

Standard/Optional Features

Standard Equipment:

  • Electrical
    • Alarm, back-up
    • Alternator, single 145 amp
    • Batteries, dry
    • Converter, 10/15 amp, 24V to 12V
    • Lighting system (halogen, work lights, access and service platform lighting)
    • Starting and charging system, 24V
    • Starter emergency start receptacle
  • Operator Environment
    • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
    • Air conditioner
    • Rear vision camera system
    • Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
    • Controls, lift and tilt function
    • Heater, defroster
    • Horn, electric
    • Instrumentation, gauges: – Coolant temperature – Fuel level – DEF level – Hydraulic oil temperature – Power train oil temperature
    • Light, cab, dome
    • Lunchbox, beverage holders
    • Mirrors, rearview (externally mounted)
    • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
    • Seat belt minder
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC Control System
    • UV glass
    • Transmission gear indicator
    • Wet-Arm wipers/washers (front and rear): – Intermittent front and rear wipers
    • Lights, directional
  • Power Train
    • Brakes, oil-cooled, multi-disc, service/secondary
    • Case drain screens
    • Crankcase guard
    • Electro hydraulic parking brake
    • Engine, C15 ACERT MEUI diesel, turbocharged/aftercooled
    • Ground level engine shutoff
    • Turbine precleaner, engine air intake
    • Starting aid, ether, automatic
    • Torque converter, Neutralizer
    • Transmission, planetary powershift, 4F/3R electronic control
    • Manual switch and automatic fuel priming
    • Cat Production Measurement ready
  • Other
    • Automatic bucket lift kickout/positioner
    • Hydraulically driven demand fan
    • Couplings, Cat O-ring face seals
    • Doors, service access (locking)
    • Ecology drains for engine, radiator, hydraulic tank
    • Fuel tank, 535 L (141 gal)
    • Hitch, drawbar with pin
    • Hoses, Cat XT
    • Hydraulic, steering and brake filtration/screening system
    • Cat Clean Emission Module
    • Oil sampling valves
    • Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
    • Rear access to cab and service platform
    • Steering, load sensing
    • Toe kicks
    • Vandalism protection caplocks

Optional Equipment:

  • Power Train
    • –50° C (–58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling – software
    • Cat Production Measurement
  • Miscellaneous Attachments
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)
    • Cold Weather Starting (extra two batteries)
    • Aggregate Handler
  • Operator Environment
    • Cab powered precleaner
    • Cat Detect Vision
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with Bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
    • Handrail mounted mirrors