815K Soil Compactor

Overview
Engine Model
Cat® C7.1 ACERT™: configured for two emissions options
Net Power
248 hp
Operating Weight
49,353 lb
  • Exterior View
  • Interior View

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 Model
Cat® C7.1 ACERT™: configured for two emissions options
Net Power
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 (SAE J1349) – Tier 4 Final/Stage IV
248 hp
Rated Power (Net ISO 9249) – Tier 4 Final/Stage IV
248 hp
Gross Power (SAE J1995) – Tier 4 Final/Stage IV
284 hp
Gross Power (ISO 14396) – Tier 4 Final/Stage IV
274 hp
Maximum Net Torque @ 1,400 rpm – Tier 4 Final/Stage IV
899 lbf-ft
Torque Rise - Tier 4 Final/Stage IV
52%
Rated Power (SAE J1349) – Tier 3/Stage IIIA equivalent
249 hp
Rated Power (Net ISO 9249) – Tier 3/Stage IIIA equivalent
249 hp
Gross Power (SAE J1995) – Tier 3/Stage IIIA equivalent
286 hp
Gross Power (ISO 14396) – Tier 3/Stage IIIA equivalent
275 hp
Bore
4 in
Stroke
5 in
Displacement
428 in3
High Idle Speed
2,270 rpm
Low Idle Speed
800 rpm
Maximum Net Torque @ 1,400 rpm – Tier 3/Stage IIIA equivalent
749 lbf-ft
Torque Rise - Tier 3/Stage IIIA Equivalent
26%
Maximum Altitude without Derating
9,843 ft
Engine Model
Cat® C7.1 ACERT™: configured for two emissions options
Net Power
248 HP
Bore
4 in
Stroke
5 in
Displacement
428 in³
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
Gross Power - ISO 14396 - Tier 3/Stage IIIA Equivalent
275 HP
Gross Power - ISO 14396 - Tier 4 Final/Stage IV
274 HP
Gross Power - SAE J1995 - Tier 3/Stage IIIA Equivalent
286 HP
Gross Power - SAE J1995 - Tier 4 Final/Stage IV
284 HP
High Idle Speed
2,270 r/min
Low Idle Speed
800 r/min
Maximum Altitude - Without Derating
9,843 ft
Maximum Net Torque - 1,400 rpm - Tier 3/Stage IIIA Equivalent
749 lb/ft
Maximum Net Torque - 1,400 rpm - Tier 4 Final/Stage IV
899 lb/ft
Rated Power (Net ISO 9249) - Tier 3/Stage IIIA equivalent
249 HP
Rated Power (Net ISO 9249) - Tier 4 Final/Stage IV
248 HP
Rated Power (SAE J1349) - Tier 3/Stage IIIA Equivalent
249 HP
Rated Power (SAE J1349) - Tier 4 Final/Stage IV
248 HP

Operating Specifications

Operating Weight
49,353 lb
Maximum Operating Weight (Tier 4 Final/Stage IV)
49,353 lb
Maximum Operating Weight (Tier 3/Stage IIIA equivalent)
48,740 lb
Maximum Operating Weight (Tier 3/Stage IIIA equivalent)
48,740 lb
Maximum Operating Weight (Tier 4 Final/Stage IV)
49,353 lb
Operating Weight
49,353 lb

Transmission

Transmission Type
Planetary – Powershift – ECPC
Travel Speeds: Forward – First
4 mph
Travel Speeds: Forward – Second
8 mph
Travel Speeds - Forward - Third
13 mile/h
Travel Speeds: Reverse – First
5 mph
Travel Speeds: Reverse – Second
9 mph
Travel Speeds - Reverse - Third
15 mile/h
Transmission Type
Planetary – Powershift – ECPC
Travel Speeds - Forward - First
4 mile/h
Travel Speeds - Forward - Second
8 mile/h
Travel Speeds - Reverse - First
5 mile/h
Travel Speeds - Reverse - Second
9 mile/h

Hydraulic System

Pump Flow at 2,111 rpm
24 gal/min
Main Relief Pressure
3,190 psi
Maximum Supply Pressure
2,930 psi
Lift Cylinder, Double Acting - Bore and Stroke
101.6 mm × 627 mm (4 in × 24.7 in)
Tilt Cylinder, Double Acting - Bore and Stroke
101.6 mm × 167 mm (4 in × 6.6 in)
Main Relief Pressure
3,190 psi
Maximum Supply Pressure
2,930 psi
Pump Flow at 2,111 rpm
24 gal/min

Service Refill Capacities

Cooling System – Tier 4 Final/Stage IV
21 gal
Engine Crankcase
5 gal
Transmission
15 gal
Fuel Tank
132 gal
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV only)
4 gal
Differentials and Final Drives – Front
17 gal
Differentials and Final Drives – Rear
17 gal
Hydraulic Tank Only
20 gal
Cooling System – Tier 3/Stage IIIA equivalent
19 gal
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 EP
Cooling System - Tier 3/Stage IIIA Equivalent
19 gal (US)
Cooling System - Tier 4 Final/Stage IV
21 gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV Only)
4 gal (US)
Differential - Final Drives - Front
17 gal (US)
Differential - Final Drives - Rear
17 gal (US)
Engine Crankcase
5 gal (US)
Fuel Tank
132 gal (US)
Hydraulic Tank Only
20 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 EP
Transmission
15 gal (US)

Axles

Front
Planetary – Fixed
Rear
Planetary – Oscillating
Oscillation Angle
±10°
Front
Planetary – Fixed
Rear
Planetary – Oscillating
Oscillation Angle
±10°

Brakes

Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released
Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released

Cab – Standard

Operator Sound Level (ISO 6396)
71 dB(A)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA equivalent
112 dB(A)

Cab - Standard

Machine Sound Level (ISO 6395) Tier 4/Stage IV
111 dB(A)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent
112 dB(A)
Operator Sound Level - ISO 6396
71 dB(A)

Cab – Suppression

Operator Sound Level (ISO 6396)
70 dB(A)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA equivalent
110 dB(A)

Hydraulic System – Steering

Steering System – Circuit
Closed Center Load Sensing
Bore
4 in
Stroke
24 in
Steering System – Pump
Piston – Variable Displacement
Maximum System Flow
147 L/min @ 2,111 rpm (38.8 gal/min @ 2,111 rpm)
Steering Pressure Limited
4,003 psi

Hydraulic System - Steering

Vehicle Articulation Angle
84 degrees
Bore
4 in
Maximum System Flow
147 L/min @ 2,111 rpm (38.8 gal/min @ 2,111 rpm)
Steering Pressure Limited
4,003 psi
Steering System - Circuit
Closed Center Load Sensing
Steering System - Pump
Piston – Variable Displacement
Stroke
24 in

Blades

Width – Moldboard Length
12 ft
Height - Including Cutting Edge
3 ft
Maximum Depth of Cut
1 ft
Maximum Lift Above Ground
3 ft
Blade Tilt Angle - Right - Hydraulic
4.8°
Blade Tilt Angle - Left - Hydraulic
5.5°
Blade Tilt Adjustment - Right
1 ft
Blade Tilt Adjustment - Left
1 ft
Total Tilt Adjustment
2 ft
Width Over End Bits
12 ft
Maximum Depth of Cut
1 ft
Maximum Lift Above Ground
3 ft
Width - Over End Bits
12 ft
Width - Moldboard Length
12 ft

Wheels

Weight
9,720 lb
Outside Diameter
5 ft
Drum Diameter
3 ft
Drum Width
3 ft
Tips per Wheel
60
Width - Over Drums
11 ft

Dimensions (Approximate)

Height to Top of Beacon
13 ft
Height to Top of Exhaust Pipe
11 ft
Height to Top of Hood
8 ft
Ground Clearance to Bumper
2 ft
Center Line of Rear Axle to Bumper
7 ft
Hitch to Center Line of Front Axle
6 ft
Wheelbase
11 ft
Length with Blade on Ground
23 ft
Ground Clearance
1 ft
Width over Wheels
11 ft
Height - Top of Cab Roof
12 ft
Turning Radius - Inside of Push Arms
8 ft
Centerline of Rear Axle to Bumper
7 ft
Ground Clearance
1 ft
Ground Clearance - Bumper
2 ft
Height - Top of Beacon
13 ft
Height - Top of Exhaust Pipe
11 ft
Height - Top of Hood
8 ft
Hitch to Centerline of Front Axle
6 ft
Length - With Blade on Ground
23 ft
Wheel Base
11 ft
Width - Over Wheels
11 ft

Cab - Suppression

Machine Sound Level (ISO 6395) Tier 4/Stage IV
109 dB(A)
Machine Sound Level (ISO 6395) Tier 3/Stage IIIA Equivalent
110 dB(A)
Operator Sound Level - ISO 6396
70 dB(A)

Efficiency and Productivity

Structures

Engine and Power Train

Tamping Wheels and Tips

Operator Station

Integrated Technologies

Safety

Sustainability

Serviceability

Customer Support

Operating Costs

  • 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
  • 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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