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
Engine Power (ISO 14396:2002) 275 hp
Bore 4.1in
Displacement 427.8in³
Emissions Option 1 - U.S. EPA Tier 4 Final/EU Stage V
Emissions Option 2 - Brazil MAR-1, emitting equivalent to U.S. EPA Tier 3/EU Stage IIIA
Engine Model Cat® C7.1
Engine Power (ISO 14396:2002) 275hp
Gross Power (SAE J1995:2014) 284hp
Gross Power - SAE J1995:2014 286hp
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
Net Power - ISO 9249:2007 249hp
Note (1) Net power available at flywheel when the engine is equipped with fan, air cleaner, aftertreatment, and alternator with engine speed at 2,200 rpm.
Note (2) Net power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 2,200 rpm.
Peak Torque ( 1,400 rpm ) 749lbf·ft
Rated Speed 2200r/min
Rated Speed 2200 r/min
Stroke 5.3in
Torque Rise 52%
Torque Rise 26%
Operating Weight (Tier 3/Stage IIIA equivalent) 49013lb
Operating Weight (Tier 4 Final/Stage V) 49652lb
Transmission Type Cat Planetary Power Shift
Travel Speeds - Forward - First 3.9mile/h
Travel Speeds - Forward - Second 6.7mile/h
Travel Speeds - Forward - Third 11.3mile/h
Travel Speeds - Reverse - First 4.5mile/h
Travel Speeds - Reverse - Second 7.7mile/h
Travel Speeds - Reverse - Third 11.4mile/h
Cylinders, Double Acting: Left and Right Tilt, Bore, Stroke 101.6 mm x 167 mm (4.0 in x 6.6 in)
Cylinders, Double Acting: Lift, Bore, Stroke 101.6 mm x 627 mm (4.0 in x 24.7 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Pilot operated Load Sensing 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 Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: • 20% biodiesel FAME (fatty acid methyl ester) * • 100% renewable diesel, H
Transmission 14.8gal (US)
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
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system con
Machine Sound Power Level (ISO 6395:2008) 112dB(A)
Machine Sound Power Level (ISO 6395:2008)** 107dB(A)
Machine Sound Power Level (ISO 6395:2008)*** 109dB(A)
Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”
Note (2) ** European Union Directive “2000/14/EC” as amended by “2005/88/EC.” and UK Noise Regulation 2001 No. 1701
Note (3) ***Sound suppression equipped
Note (4) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 100 percent of the maximum engine cooling fan speed.
Note (5) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 100 percent of the maximum engine cooling fan speed.
Note (6) 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.
Operator Sound Pressure Level (ISO 6396:2008) 72dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*,*** 70dB(A)
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
Machine Sound Power Level (ISO 6395:2008) 112dB(A)
Machine Sound Power Level (ISO 6395:2008)*** 110dB(A)
Note (1) ***Sound suppression equipped
Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 100 percent of the maximum engine cooling fan speed.
Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 100 percent of the maximum engine cooling fan speed.
Note (4) 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.
Operator Sound Pressure Level (ISO 6396:2008) 72dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*** 70dB(A)
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
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
Wheel Base 11ft
Width over Platform 10.3ft
Standard and optional equipment may vary. Consult your Cat dealer for details.
Advanced Productivity Electronic Control System (APECS)
Air-to-air aftercooler
Axles - standard open front and rear
Brakes, full hydraulic, enclosed, wet multiple disc service brakes
Cat clean emission module (U.S. EPA Tier 4 Final/EU Stage V only)
Electro-hydraulic parking brake
Electronic Clutch Pressure Control (ECPC)
Engine, Cat C7.1 configured for two emissions options: Tier 4 Final/Stage V or emitting equivalent to U.S. EPA Tier 3/EU Stage IIIA
Engine driven cooling fan – suction
Fuel priming pump (electric)
Fuel-to-air cooler
Ground level engine shutdown
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 battery disconnect switch
Lights, directional (rear)
Lights, warning switched (LED strobe)
Lighting system, (front and rear)
Starter, electric
Auxiliary start receptacle
12V power port for mobile phone or laptop connection
Air conditioner
Cab, sound-suppressed pressurized
Cab door, sliding window (LH)
Cab glass, laminated and tinted, rubber mounted
Camera, rear vision
Cat Compaction Control (ready)
Cat Detect: Object Detection (ready)
Coat and hard hat hooks
Fingertip shifting controls
Flip-up armrest
Heater and defroster
Horn, electric
Electro-hydraulic controls – seat mounted
Implement hydraulic lockout
Instrumentation, gauges: – Diesel exhaust fluid (DEF) 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
Lunchbox and beverage holders
Mirror, internal (panoramic)
Radio ready for entertainment: – Antenna – Speakers – Converter (12V, 10-15 amp)
Precleaner (cab): – powered
Premium plus seat containing forced air heating and cooling, 2-way thigh adjustment, power lumbar and back bolster adjustment, ride stiffness adjustment, dynamic end dampening, and leather finish
Seat belt with minder, retractable, 76 mm (3 in) wide
Steering and Transmission Integrated Control (STIC™) system with lockout
Sun visor, front
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
Standard Tips
Guards, crankcase and powertrain
Guard, driveshaft
Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
Doors, service access (locking)
Ecology drains for engine, radiator, transmission, hydraulic tank
Engine, crankcase, 500 hour interval with CJ-4 oil
Emergency 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
Engine Precleaners - turbine
Fuel tank - non-fast
Standard and optional equipment may vary. Consult your Cat dealer for details.
Compaction control, basic
Product Link™: – cellular, satellite
Sound suppression - low (required for Brazil)
Sound suppression - EU (required for EU)
Antifreeze, –50° C (–58° F)
CE/UKCA Certification (standard where regulations require it)
Plate – year of manufacture
Cat Compact RTK Mapping (available through SITECH only)
Mirrors, standard or heated, rearview (externally mounted)
Radio, AM/FM/AUX/USB/BLUETOOTH®
Radio, CB (ready)
Abrasive Tips
Heater, engine coolant, 120V
Heater, engine coolant, 240V
Axles - open front no-spin rear
Fuel tank - fast fill
Lights: – Standard or LED
Engine precleaners - dual stage
Manual tilt - straight blade
Hydraulic tilt - straight blade
