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 815 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Gross Power (SAE J1995:2014) 284 hp
Net Power (SAE J1349:2011) 249 hp
Net Power (ISO 9249:2007) 249 hp
Emissions Meets U.S. EPA Tier 4 Final/EU Stage V emission standards
Bore 4.1in
Displacement 427.8in³
Emissions Meets U.S. EPA Tier 4 Final/EU Stage V emission standards
Engine Model Cat® C7.1: configured for two emissions options
Engine Power (ISO 14396:2002) 275hp
Gross Power (SAE J1995:2014) 284hp
High Idle Speed 2270r/min
Low Idle Speed 800r/min
Maximum Altitude without Derating 9842.5ft
Net Power (ISO 9249:2007) 249hp
Net Power (SAE J1349:2011) 249hp
Note Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.
Peak Torque - 1,400 rpm 902lb-ft @ 1400 rpm
Rated Speed 2200r/min
Stroke 5.3in
Torque Rise 52%
Bore 4.1in³
Displacement 5.3in
Emissions Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA
Engine Model Cat® C7.1: configured for two emissions options
Engine Power (ISO 14396:2002) 275hp
Gross Power (SAE J1995:2014) 286hp
High Idle Speed 2270r/min
Low Idle Speed 800r/min
Maximum Altitude without Derating 9842.5ft
Net Power (SAE J1349:2011) 249hp
Note Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.
Peak Torque - 1,400 rpm 749lb-ft @ 1400 rpm
Rated Speed 2200r/min
Stroke 5.3in
Torque Rise 26%
Operating Weight 49652lb
Transmission Type Cat Planetary Power Shift
Travel Speeds - Forward - First 3.9mile/h
Travel Speeds - Forward - Second 7.7mile/h
Travel Speeds - Forward - Third 11.3mile/h
Travel Speeds - Reverse - First 4.5mile/h
Travel Speeds - Reverse - Second 8.5mile/h
Travel Speeds - Reverse - Third 11.4mile/h
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Maximum Flow at 2,200 rpm 23.5gal/min
Pilot Relief Valve Setting 3046psi
Pilot System Open center, fixed displacement gear
Relief Valve Setting - Lift/Tilt 3190psi
Maximum Flow at 2,200 rpm 38.8gal/min
Relief Valve Setting - Steering 4003psi
Steering Cycle Times - High Idle 3s
Steering Cycle Times - Low Idle 8.2s
Steering System - Circuit Pilot, Load Sensing
Steering System - Pump Piston – Variable Displacement
Total Steering Angle 84
Cooling System - Tier 3/Stage IIIA Equivalent 19.3gal (US)
Cooling Systems - Tier 4 Final/EU Stage V 21.4gal (US)
Diesel Exhaust Fluid Tank* 4.2gal (US)
Differential - Final Drives - Front 17.2gal (US)
Differential - Final Drives - Rear 17.2gal (US)
Engine Crankcase 5.3gal (US)
Fuel Tank 132.1gal (US)
Hydraulic Tank Only 19.8gal (US)
Note All non-road Tier 4 Final and Stage V 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
Transmission 14.8gal (US)
Centerline of Rear Axle to Bumper 6.5ft
Ground Clearance to Bottom of Bumper 2.2ft
Ground Clearance to Hitch 1.2ft
Ground Clearance to Transmission Guard 1.2ft
Height - Top of Beacon 12.9ft
Height - Top of Cab Roof 12ft
Height - Top of Exhaust Pipe 11.1ft
Height - Top of Hood 8.6ft
Height to Top of GPS Antenna 12.1ft
Height to Top of Radiator Guard 7.9ft
Hitch to Centerline of Front Axle 5.5ft
Overall Machine Length with EU Suppression 24.9ft
Overall Machine Length with Straight Blade 23.5ft
Wheel Base 11ft
Width over Platform 10.3ft
Front Planetary – Fixed
Oscillation Angle ±10
Rear Planetary – Oscillating
Parking Brake Drum and Shoe, Spring Applied, Hydraulic Released
Service Brakes Single Disc Wet (Enclosed) 2 WHL
Machine Sound Level (ISO 6395) 111dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.
Note (2) The operator sound pressure level uncertainty is ± 2 dB(A)
Note (3) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (4) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 70dB(A)
Machine Sound Level (ISO 6395) 109dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.
Note (2) The operator sound pressure level uncertainty is ± 2 dB(A)
Note (3) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (4) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 70dB(A)
Machine Sound Level (ISO 6395) 112dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.
Note (2) The operator sound pressure level uncertainty is ± 2 dB(A)
Note (3) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (4) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 70dB(A)
Machine Sound Level (ISO 6395) 110dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.
Note (2) The operator sound pressure level uncertainty is ± 2 dB(A)
Note (3) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (4) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 70dB(A)
Machine Sound Level (ISO 6393) 107dB(A)
Note (1) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6393:2008. The measurement was conducted at the rated engine cooling fan speed.
Drum Diameter 40.5in
Drum Width 39in
Outside Diameter 55.6in
Replaceable Weld On
Tip Height 7.5in
Tips per Row 12
Tips per Wheel 60
Weight 9720lb
Width - Over Drums 127.7in
Width Between Drums 49.6in
Capacity 2.69yd³
Digging Depth 0.7ft
Ground Clearance 2.6ft
Height 2.8ft
Maximum Tilt 1.1ft
Overall Width 12.3ft
Total Operating Weight 49652lb
Turning Radius - Inside Face of Pusharm 8.3ft
Turning Radius - Outside Corner of Blade 21.1ft
Weight 1764lb
Standard and optional equipment may vary. Consult your Cat dealer for details.
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 (configured for two emissions options): – Tier 4 Final/Stage V – 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
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
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 V 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 Premium Plus (leather)
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)
Wheels, tamping foot
Cleaner bars with teeth
Guards, crankcase and power train
Guard, driveshaft
Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
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
Hydraulics: – Standard or EU and Canada
Glass (window): – rubber-mounted glass
Precleaner (cab): – powered
Seat (cab): – heated and ventilated
Mirrors – cab: – Standard or heated
Axles: – Standard or non-spin rear
Engine Precleaners: – Turbine or dual stage
Lights: – Standard or LED
Fuel tank: – Non-fast or fast fill
Product Link: – GSM, satellite
Cleaner bars: – Standard or abrasive
Blades: – Straight or tilt-straight
Standard and optional equipment may vary. Consult your Cat dealer for details.
Camera, rear vision
Radio, AM/FM/AUX/USB/BLUETOOTH
Radio, CB (ready)
Compaction control, basic
Sound suppression (required for Brazil)
Antifreeze, –50° C (–58° F)
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Film (ANSI) (Tier 4 Final/Stage V only)
EU certification (Tier 4 Final/Stage V only)
Plate – year of manufacture (Tier 3/Stage IIIA equivalent only)
