815K Soil Compactor
815K Soil Compactor
815K Soil Compactor
815K Soil Compactor

Designed with durability built in, the Cat 815K ensures maximum availability through multiple life cycles. Designed and manufactured for optimum performance and serviceability, this rugged, powerful machine delivers heavy-duty compaction and dozing.

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Engine Model Cat® C7.1: configured for two emissions options
Net Power 248 HP
Bore 4.1 in
Stroke 5.3 in
Displacement 427.8 in³
Rated Power (SAE J1349) - Tier 3/Stage IIIA Equivalent 249 HP
Maximum Net Torque - 1,400 rpm - Tier 3/Stage IIIA Equivalent 749 lb/ft
Gross Power - ISO 14396 - Tier 4 Final/Stage IV 274 HP
Rated Power (SAE J1349) - Tier 4 Final/Stage IV 248 HP
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Rated Power (Net ISO 9249) - Tier 3/Stage IIIA equivalent 249 HP
High Idle Speed 2270 r/min
Gross Power - SAE J1995 - Tier 4 Final/Stage IV 284 HP
Gross Power - ISO 14396 - Tier 3/Stage IIIA Equivalent 275 HP
Low Idle Speed 800 r/min
Gross Power - SAE J1995 - Tier 3/Stage IIIA Equivalent 286 HP
Torque Rise - Tier 4 Final/Stage IV 52%
Maximum Net Torque - 1,400 rpm - Tier 4 Final/Stage IV 899 lb/ft
Rated Power (Net ISO 9249) - Tier 4 Final/Stage IV 248 HP
Maximum Altitude - Without Derating 9842.52 ft
Torque Rise - Tier 3/Stage IIIA Equivalent 26%
Drum Width 3.25 ft
Drum Diameter 3.38 ft
Outside Diameter 4.63 ft
Tips per Wheel 60
Width - Over Drums 10.64 ft
Weight 9720 lb
Front Planetary – Fixed
Rear Planetary – Oscillating
Oscillation Angle ±10 درجة
Maximum Depth of Cut 0.73 ft
Maximum Lift Above Ground 2.63 ft
Total Tilt Adjustment 2.14 ft
Width - Over End Bits 12.34 ft
Blade Tilt Adjustment - Left 1.14 ft
Width - Moldboard Length 11.98 ft
Blade Tilt Angle - Right - Hydraulic 4,8°
Blade Tilt Angle - Left - Hydraulic 5,5°
Height - Including Cutting Edge 2.82 ft
Blade Tilt Adjustment - Right 1 ft
Differential - Final Drives - Front 17.2 gal (US)
Hydraulic Tank Only 19.8 gal (US)
Cooling System - Tier 4 Final/Stage IV 21.4 gal (US)
Fuel Tank 132.1 gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV Only) 4.2 gal (US)
Cooling System - Tier 3/Stage IIIA Equivalent 19.3 gal (US)
Transmission 14.8 gal (US)
Differential - Final Drives - Rear 17.2 gal (US)
Engine Crankcase 5.3 gal (US)
Note All non-road Tier 4 Final and Stage IV diesel engines are required to use: – Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm for EPA and 10 ppm for EU (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm for EPA and 10 ppm for EU (mg/kg) sulfur or less ULSD and when the biodiesel feedstock meets ASTM D7467 specifications. – Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required. – Diesel Exhaust Fluid (DEF) that meets all requirements defined in ISO 22241-1.
Ground Clearance - Bumper 2.18 ft
Ground Clearance 1.23 ft
Turning Radius - Inside of Push Arms 8.27 ft
Height - Top of Beacon 12.95 ft
Height - Top of Hood 8.42 ft
Height - Top of Cab Roof 11.98 ft
Height - Top of Exhaust Pipe 10.97 ft
Wheel Base 10.99 ft
Width - Over Wheels 10.64 ft
Centerline of Rear Axle to Bumper 6.53 ft
Length - With Blade on Ground 23.48 ft
Hitch to Centerline of Front Axle 5.5 ft
Tilt Cylinder, Double Acting - Bore and Stroke 101.6 mm × 167 mm (4 in × 6.6 in)
Pump Flow at 2,111 rpm 23.5 gal/min
Main Relief Pressure 3190 psi
Maximum Supply Pressure 2930 psi
Lift Cylinder, Double Acting - Bore and Stroke 101.6 mm × 627 mm (4 in × 24.7 in)
Vehicle Articulation Angle 84 degrees
Maximum System Flow 147 L/min @ 2,111 rpm (38.8 gal/min @ 2,111 rpm)
Steering Pressure Limited 4003 psi
Bore 4 in
Stroke 23.5 in
Steering System - Circuit Closed Center Load Sensing
Steering System - Pump Piston – Variable Displacement
Operating Weight 49353 lb
Maximum Operating Weight (Tier 3/Stage IIIA equivalent) 48740 lb
Maximum Operating Weight (Tier 4 Final/Stage IV) 49353 lb
Travel Speeds - Forward - Third 13.2 mile/h
Travel Speeds - Reverse - Second 8.5 mile/h
Travel Speeds - Forward - Second 7.5 mile/h
Travel Speeds - Reverse - First 4.8 mile/h
Travel Speeds - Forward - First 4.2 mile/h
Travel Speeds - Reverse - Third 15 mile/h
Transmission Type Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent 110 dB(A)
Machine Sound Level (ISO 6395) Tier 4/Stage IV 109 dB(A)
Operator Sound Level - ISO 6396 70 dB(A)
Operator Sound Level - ISO 6396 71 dB(A)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent 112 dB(A)
Machine Sound Level (ISO 6395) Tier 4/Stage IV 111 dB(A)
Parking Brake Drum and Shoe, Spring Applied, Hydraulic Released

  • Advanced Productivity Electronic Control System (APECS) delivers improved transmission shifting performance and a higher level of comfort for operators.
  • Decelerator Pedal acts as a brake, transmission neutralizer and an engine decelerator to override the engine speed selected by the throttle lock. Allows the operator to slow speeds when the throttle lock is engaged and to return to throttle lock without pressing a resume or set button.
  • Electro Hydraulic Controls increase productivity with responsive implements feature. Operate comfortably with easy-to-use soft-detent controls.
  • Steering System provides confident machine operation and precise control enabled by the 815K's load sensing hydraulic steering system.
  • Increased efficiency with variable displacement piston pumps that give operators precise positioning for easy maneuvering in tight areas with 42 degree articulation in each direction.
  • Steering and Transmission Integrated Control System (STIC™) enhances operator comfort by integrating steering and transmission control functions in a single lever. Includes finger-controlled gear selection.

  • Designed and made with purpose-built structures to remain safe and durable for the long run.
  • Long-life-designs ensure multiple life cycles and ability to withstand the toughest conditions.
  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering-cylinder mounts efficiently conduct steering loads into the frame.

  • Deep system integration of new engine and emissions system, power train, hydraulic system and cooling system. It all adds up to lower fuel consumption and improved emissions control.
  • Advanced Productivity Electronic Control System (APECS) delivers consistent, smooth shifting and efficiency through integrated electronic controls.
  • Strategic use of metallurgy and heat treating ensures long-life gears.
  • Cat C7.1 engine Is designed for maximum fuel economy and increased power density.
  • Two engine options are available to meet Tier 4 Final/Stage IV or Tier 3/Stage IIIA equivalent emissions standards (depending upon market).
  • Engine features innovative Cat electronics, fuel injection process, air-management systems and aftertreatment with Cat Selective Catalytic Reduction. And, automated aftertreatment regeneration eliminates need for operator attention.
  • Integrated systems intelligently lower working engine speeds and reduce overall system heat loads resulting in improved performance and fuel efficiency.
  • Next generation fuel injection systems control fuel metering through a series of carefully timed microbursts providing cleaner combustion and the most efficient fuel burn.

  • Chevron Tamping Tip Design provides greater ground pressure, more compaction, excellent traction and a smooth ride.
  • Compaction is achieved from the bottom of the lift to the top. The tapered tips walk out of the lift without “fluffing” the soil. The top of the lift is compacted and the surface is relatively smooth and sealed so hauling units are able to maintain a high speed when traveling over the fill.
  • The 815K travel speed delivers four forces of compaction: pressure, manipulation, impact and vibration.
  • This compactor also spreads fill, potentially reducing the number of spreader tractors needed for the project.
  • Symmetrical Tamping Tip Pattern delivers equal compaction in forward or reverse. Tips are full perimeter and replaceable.
  • Two cleaner bars on each wheel keep drums free of carryover dirt, in forward and reverse, maximizing efficiency. Cleaner bars are available with standard or abrasive tips depending upon the application. Bars are adjustable and bar tips are heat-treated and direct-hardened cutting-edge steel to increase life.

  • Pressurized cab sits on isolation mounts improving comfort and reducing sound.
  • Cab features a convenient floor storage tray/lunch box.
  • Cat Comfort Series III Seat includes mid-back design, thick, contoured cushions, air suspension, six-way adjustments, and a seat-mounted implement pod and STIC steer that moves with the seat for optimal control.
  • Control Panel gives operators the information and controls for safer and time-saving settings.
  • STIC control simplicity provides maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

  • Cat Compaction Control system uses Machine Drive Power (MDP) technology to measure rolling resistance and correlates it with soil stiffness. MDP works in both cohesive or granular soils. Optional 3D mapping system maps compaction measurements to the precise location the operator is working, providing a real-time view of progress, and a record of compaction uniformity.
  • DETECT technologies help keep people and equipment safe by keeping operator aware of the work area and by monitoring and reporting unsafe conditions, like avoidance zones.
  • COMPACT technologies combine advanced compaction measurement, in-cab guidance and reporting capabilities to help you consistently meet compaction targets fast, uniformly, and with fewer passes.
  • Cat Product Link is deeply integrated into your machine, giving you access to information like machine location, hours, fuel usage, idle time and event codes via the online VisionLink user interface. Helps effectively manage fleet and lower operating costs.

  • Railings, ladders and non-slip surfaces enhance technician and operator safety.
  • Design ensures three points of contact at all times through ground level or platform accessible service areas.
  • Rearview camera with in-cab monitor increases operator awareness around the machine.
  • Standard cab-mounted LED warning strobes.
  • Optional heated mirrors ensure enhanced visibility for safe operation.
  • Optional LED lights provide excellent workspace visibility.
  • 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.

  • Engine Idle Shutdown can help you save fuel by avoiding unnecessary idling.
  • Reduce waste to the environment with maintenance-free batteries.
  • High speed oil change ensures fast, easy, and secure changing of the engine oil.
  • The 815K is built to be rebuilt, maximizing machine life, and minimizing environmental impact. Get the most from your investment, with our sustainable options including Cat Reman and Certified Rebuild programs. With these programs, remanufactured components deliver cost savings of 40 to 70 percent, lowering operating costs while also reducing waste and minimizing the need for raw materials.

  • Safe and convenient service via ground level or platform access to daily service points.
  • Swing-out doors on both sides of engine compartment provide easy access to daily service checks.
  • Ecology drains for ease of service and prevention of spills.
  • Reduce downtime with VIMS™ system notifications so operators and technicians can resolve problems before failure.
  • Sight gauges mean quick visual inspection and minimize fluid contamination.
  • Hydraulic oil cooler, air conditioner condenser, and fuel cooler are grouped for easy access.
  • Side access doors allow convenient cleanout of cooling package.
  • New ground level service area includes a Master Disconnect Switch with integrated lock-out/tag-out, DEF purge lamp (Tier 4 Final/Stage IV machines only), circuit breakers, emergency fuel shutoff switch and the jump start receptacle.
  • Centralized grease points speed maintenance.
  • Cat dealers keep you running with preventive maintenance programs, maintenance contracts, best-in-class parts availability and operator training support.