New | 815K Soil Compactor

Cat Soil Compactors are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to operate more efficiently and safely. Representing a long-standing commitment to quality and performance, this rugged, powerful machine is designed and built for heavy-duty compaction and dozing operations. Focused on helping our customers succeed, we have continued to build upon each new series. The 815K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

Engine
Engine ModelCat® C7.1 ACERT™: configured for two emissions options
Net Power248 HP
Bore4.1 in
Stroke5.3 in
Displacement427.8 in³
EmissionsMeets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Gross Power - ISO 14396 - Tier 3/Stage IIIA Equivalent275 HP
Gross Power - ISO 14396 - Tier 4 Final/Stage IV274 HP
Gross Power - SAE J1995 - Tier 3/Stage IIIA Equivalent286 HP
Gross Power - SAE J1995 - Tier 4 Final/Stage IV284 HP
High Idle Speed2270 r/min
Low Idle Speed800 r/min
Maximum Altitude - Without Derating9842.52 ft
Maximum Net Torque - 1,400 rpm - Tier 3/Stage IIIA Equivalent749 lb/ft
Maximum Net Torque - 1,400 rpm - Tier 4 Final/Stage IV899 lb/ft
Rated Power (Net ISO 9249) - Tier 3/Stage IIIA equivalent249 HP
Rated Power (Net ISO 9249) - Tier 4 Final/Stage IV248 HP
Rated Power (SAE J1349) - Tier 3/Stage IIIA Equivalent249 HP
Rated Power (SAE J1349) - Tier 4 Final/Stage IV248 HP
Torque Rise - Tier 3/Stage IIIA Equivalent26%
Torque Rise - Tier 4 Final/Stage IV52%
Wheels
Drum Width3.25 ft
Drum Diameter3.38 ft
Outside Diameter4.63 ft
Tips per Wheel60
Weight9720 lb
Width - Over Drums10.64 ft
Axles
FrontPlanetary – Fixed
RearPlanetary – Oscillating
Oscillation Angle±10°
Blades
Maximum Depth of Cut0.73 ft
Maximum Lift Above Ground2.63 ft
Total Tilt Adjustment2.14 ft
Width - Over End Bits12.34 ft
Blade Tilt Adjustment - Left1.14 ft
Blade Tilt Adjustment - Right1 ft
Blade Tilt Angle - Left - Hydraulic5.5°
Blade Tilt Angle - Right - Hydraulic4.8°
Height - Including Cutting Edge2.82 ft
Width - Moldboard Length11.98 ft
Brakes
Parking BrakeDrum and Shoe, Spring Applied, Hydraulic Released
Cab - Standard
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent112 dB(A)
Machine Sound Level (ISO 6395) Tier 4/Stage IV111 dB(A)
Operator Sound Level - ISO 639671 dB(A)
Cab - Suppression
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent110 dB(A)
Machine Sound Level (ISO 6395) Tier 4/Stage IV109 dB(A)
Operator Sound Level - ISO 639670 dB(A)
Dimensions (Approximate)
Centerline of Rear Axle to Bumper6.53 ft
Ground Clearance1.23 ft
Ground Clearance - Bumper2.18 ft
Height - Top of Beacon12.95 ft
Height - Top of Cab Roof11.98 ft
Height - Top of Exhaust Pipe10.97 ft
Height - Top of Hood8.42 ft
Hitch to Centerline of Front Axle5.5 ft
Length - With Blade on Ground23.48 ft
Turning Radius - Inside of Push Arms8.27 ft
Wheel Base10.99 ft
Width - Over Wheels10.64 ft
Hydraulic System
Lift Cylinder, Double Acting - Bore and Stroke101.6 mm × 627 mm (4 in × 24.7 in)
Main Relief Pressure3190 psi
Maximum Supply Pressure2930 psi
Pump Flow at 2,111 rpm23.5 gal/min
Tilt Cylinder, Double Acting - Bore and Stroke101.6 mm × 167 mm (4 in × 6.6 in)
Hydraulic System - Steering
Bore4 in
Maximum System Flow147 L/min @ 2,111 rpm (38.8 gal/min @ 2,111 rpm)
Steering Pressure Limited4003 psi
Steering System - CircuitClosed Center Load Sensing
Steering System - PumpPiston – Variable Displacement
Stroke23.5 in
Vehicle Articulation Angle84 degrees
Operating Specifications
Maximum Operating Weight (Tier 3/Stage IIIA equivalent)48740 lb
Maximum Operating Weight (Tier 4 Final/Stage IV)49353 lb
Operating Weight49353 lb
Service Refill Capacities
Cooling System - Tier 3/Stage IIIA Equivalent19.3 gal (US)
Cooling System - Tier 4 Final/Stage IV21.4 gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV Only)4.2 gal (US)
Differential - Final Drives - Front17.2 gal (US)
Differential - Final Drives - Rear17.2 gal (US)
Engine Crankcase5.3 gal (US)
Fuel Tank132.1 gal (US)
Hydraulic Tank Only19.8 gal (US)
NoteAll 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.
Transmission14.8 gal (US)
Transmission
Transmission TypePlanetary – Powershift – ECPC
Travel Speeds - Forward - First4.2 mile/h
Travel Speeds - Forward - Second7.5 mile/h
Travel Speeds - Forward - Third13.2 mile/h
Travel Speeds - Reverse - First4.8 mile/h
Travel Speeds - Reverse - Second8.5 mile/h
Travel Speeds - Reverse - Third15 mile/h
  • Efficiency And Productivity
  • Structures
  • Engine And Power Train
  • Tamping Wheels And Tips
  • Operator Station
  • Integrated Technologies
  • Safety
  • Sustainability
  • Serviceability
  • Customer Support
  • Operating Costs

Standard Equipment

POWER TRAIN
  • Advanced Productivity Electronic Control System (APECS)
  • Air to air aftercooler
  • Brakes, full hydraulic, enclosed, wet multiple disc service brakes
  • Cat clean emission module (Tier 4 Final/Stage IV only)
  • Electro-hydraulic parking brake
  • Electronic Clutch Pressure Control (ECPC)
  • Engine, Cat C7.1 with ACERT Technology (configured for two emissions options): – Tier 4 Final/Stage IV – Tier 3/Stage IIIA equivalent
  • Engine driven cooling fan – suction
  • Fuel priming pump (electric)
  • Fuel to air cooler
  • Ground level engine shutoff
  • Muffler (under hood) (Tier 3/Stage IIIA equivalent only)
  • Radiator, unit core
  • Starting aid (ether)
  • Throttle lock
  • Torque converter
  • Transmission, planetary, with 3F/3R speed range control
ELECTRICAL
  • Alarm, back-up
  • Alternator, 150 amp
  • Batteries, maintenance-free
  • Electrical system, 24V
  • Ground level lockable master disconnect switch
  • Lights, directional (rear)
  • Light, warning switched (LED strobe)
  • Lighting system, (front and rear)
  • Starter, electric
  • Starting receptacle for emergency start
OPERATOR ENVIRONMENT
  • 12V power port for mobile phone or laptop connection
  • AccuGrade™ mapping (ready)
  • Air conditioner
  • Cab, sound-suppressed pressurized
  • Cab door, sliding window (LH)
  • Cat Compaction Control (ready)
  • Cat Detect: Object Detection (ready)
  • Coat and hard hat hooks
  • Finger tip shifting controls
  • Flip-up armrest
  • Heater and defroster
  • Horn, electric
  • Hydraulic controls – seat mounted
  • Implement hydraulic lockout
  • Instrumentation, gauges: – DEF fluid level (Tier 4 Final/Stage IV only) – Engine coolant temperature – Fuel level – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
  • Instrumentation, warning indicators: – Action alert system, three categories – Brake oil pressure – Electrical system, low voltage – Engine failure malfunction alert and action lamp – Parking brake status
  • Light, (dome) cab
  • Lunch box and beverage holders
  • Mirror, internal (panoramic)
  • Mirrors, rearview (externally mounted)
  • Radio ready for entertainment: – Antenna – Speakers – Converter (12V, 10-15 amp)
  • Seat, Cat Comfort (cloth) air suspension
  • Seat belt with minder, retractable, 76 mm (3 in) wide
  • STIC control system with lockout
  • Sun visor, front
  • Tinted glass
  • Transmission gear (indicator)
  • Vital Information Management System (VIMS): – Graphical information display – External data port – Customizable operator profiles – Event indicator light on rear grill
  • Wet-arm wipers/washers (front and rear): – Intermittent wipers (front and rear)
TIRES, RIMS AND WHEELS
  • Wheels, tamping foot
GUARDS
  • Cleaner bars with teeth
  • Guards, crankcase and power train
  • Guard, driveshaft
FLUIDS
  • Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
OTHER STANDARD EQUIPMENT
  • DEF tank fill gauge
  • Doors, service access (locking)
  • Ecology drains for engine, radiator, transmission, hydraulic tank
  • Engine, crankcase, 500 hour interval with CJ-4 oil
  • Emergency platform egress
  • Fire suppression ready
  • Fuel tank, 500 L (132.1 gal)
  • Hitch, drawbar with pin
  • Hoses, Cat XT™
  • Hydraulic, engine, and transmission oil coolers
  • Oil change system, high speed
  • Oil sampling valves
  • Steering, load sensing
  • Total hydraulic filtration system
  • Vandalism protection caplocks
  • Venturi stack
STANDARD ATTACHMENTS – HYDRAULICS
  • Hydraulics: – Standard or EU and Canada
STANDARD ATTACHMENTS – OPERATOR ENVIRONMENT
  • Glass (window): – Standard bonded or rubber-mounted glass
  • Precleaner – cab: – Standard or powered
  • Seat – cab: – Standard or heated and ventilated
  • Mirrors – cab: – Standard or heated
STANDARD ATTACHMENTS – POWER TRAIN
  • Axles: – Standard or non-spin rear
STANDARD ATTACHMENTS – SPECIAL ARRANGEMENTS
  • Engine Precleaners: – Turbine or dual stage
STANDARD ATTACHMENTS – ELECTRICAL
  • Lights: – Standard or LED
STANDARD ATTACHMENTS – FUEL SYSTEMS
  • Fuel tank: – Non-fast or fast fill
STANDARD ATTACHMENTS – TECHNOLOGY PRODUCTS
  • Product Link: – GSM, satellite
STANDARD ATTACHMENTS – CLEANER BARS
  • Cleaner bars: – Standard or abrasive
STANDARD ATTACHMENTS – BLADES
  • Blades: – Straight or tilt-straight

Optional Equipment

OPERATOR ENVIRONMENT
  • Camera, rear vision
  • Radio, AM/FM/AUX/USB/BLUETOOTH
  • Radio, CB (ready)
TECHNOLOGY PRODUCTS
  • Compaction control, basic
OTHER ATTACHMENTS
  • Sound suppression (required for Brazil)
FLUIDS
  • Antifreeze, –50° C (–58° F)
STARTING AIDS
  • Heater, engine coolant, 120V
  • Heater, engine coolant, 240V
MISCELLANEOUS
  • Film (ANSI) (Tier 4 Final/Stage IV only)
  • EU certification (Tier 4 Final/Stage IV only)
  • Plate – year of manufacture (Tier 3/Stage IIIA equivalent only)

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