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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.
| Engine Model | Cat® C7.1: configured for two emissions options |
| 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 |
| Rated Speed | 2200 r/min |
| Gross Power (SAE J1995:2014) | 284 HP |
| Engine Power (ISO 14396:2002) | 275 HP |
| Peak Torque - 1,400 rpm | 902 lb-ft @ 1400 rpm |
| Torque Rise | 52% |
| Bore | 4.1 in |
| Stroke | 5.3 in |
| Displacement | 427.8 in³ |
| High Idle Speed | 2270 r/min |
| Low Idle Speed | 800 r/min |
| Maximum Altitude without Derating | 9842.5 ft |
| 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. |
| Engine Model | Cat® C7.1: configured for two emissions options |
| Net Power (SAE J1349:2011) | 249 HP |
| Emissions | Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA |
| Rated Speed | 2200 r/min |
| Gross Power (SAE J1995:2014) | 286 HP |
| Engine Power (ISO 14396:2002) | 275 HP |
| Peak Torque - 1,400 rpm | 749 lb-ft @ 1400 rpm |
| Torque Rise | 26% |
| Bore | 4.1 in³ |
| Stroke | 5.3 in |
| Displacement | 5.3 in |
| High Idle Speed | 2270 r/min |
| Low Idle Speed | 800 r/min |
| Maximum Altitude without Derating | 9842.5 ft |
| 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. |
| Operating Weight | 49652 lb |
| Transmission Type | Cat Planetary Power Shift |
| Travel Speeds - Forward - First | 3.9 mile/h |
| Travel Speeds - Forward - Second | 7.7 mile/h |
| Travel Speeds - Forward - Third | 11.3 mile/h |
| Travel Speeds - Reverse - First | 4.5 mile/h |
| Travel Speeds - Reverse - Second | 8.5 mile/h |
| Travel Speeds - Reverse - Third | 11.4 mile/h |
| Lift/Tilt System - Circuit | Pilot operated LS valve with EH |
| Lift/Tilt System | Variable displacement piston |
| Maximum Flow at 2,200 rpm | 23.5 gal/min |
| Relief Valve Setting - Lift/Tilt | 3190 psi |
| Pilot System | Open center, fixed displacement gear |
| Pilot Relief Valve Setting | 3046 psi |
| Steering System - Circuit | Pilot, Load Sensing |
| Steering System - Pump | Piston – Variable Displacement |
| Maximum Flow at 2,200 rpm | 38.8 gal/min |
| Relief Valve Setting - Steering | 4003 psi |
| Total Steering Angle | 84 |
| Steering Cycle Times - High Idle | 3 s |
| Steering Cycle Times - Low Idle | 8.2 s |
| Fuel Tank | 132.1 gal (US) |
| Diesel Exhaust Fluid Tank* | 4.2 gal (US) |
| Cooling Systems - Tier 4 Final/EU Stage V | 21.4 gal (US) |
| Cooling System - Tier 3/Stage IIIA Equivalent | 19.3 gal (US) |
| Engine Crankcase | 5.3 gal (US) |
| Transmission | 14.8 gal (US) |
| Differential - Final Drives - Front | 17.2 gal (US) |
| Differential - Final Drives - Rear | 17.2 gal (US) |
| Hydraulic Tank Only | 19.8 gal (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 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. |
| Height - Top of Beacon | 12.9 ft |
| Height - Top of Cab Roof | 12 ft |
| Height - Top of Exhaust Pipe | 11.1 ft |
| Height - Top of Hood | 8.6 ft |
| Height to Top of Radiator Guard | 7.9 ft |
| Ground Clearance to Hitch | 1.2 ft |
| Ground Clearance to Transmission Guard | 1.2 ft |
| Ground Clearance to Bottom of Bumper | 2.2 ft |
| Centerline of Rear Axle to Bumper | 6.5 ft |
| Hitch to Centerline of Front Axle | 5.5 ft |
| Wheel Base | 11 ft |
| Width over Platform | 10.3 ft |
| Height to Top of GPS Antenna | 12.1 ft |
| Overall Machine Length with Straight Blade | 23.5 ft |
| Overall Machine Length with EU Suppression | 24.9 ft |
| Front | Planetary – Fixed |
| Rear | Planetary – Oscillating |
| Oscillation Angle | ±10 |
| Service Brakes | Single Disc Wet (Enclosed) 2 WHL |
| Parking Brake | Drum and Shoe, Spring Applied, Hydraulic Released |
| Operator Sound Level (ISO 6396) | 70 dB(A) |
| Machine Sound Level (ISO 6395) | 111 dB(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) | 70 dB(A) |
| Machine Sound Level (ISO 6395) | 109 dB(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) | 70 dB(A) |
| Machine Sound Level (ISO 6395) | 112 dB(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) | 70 dB(A) |
| Machine Sound Level (ISO 6395) | 110 dB(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. |
| Machine Sound Level (ISO 6393) | 107 dB(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. |
| Weight | 9720 lb |
| Outside Diameter | 55.6 in |
| Drum Diameter | 40.5 in |
| Drum Width | 39 in |
| Tips per Row | 12 |
| Tips per Wheel | 60 |
| Replaceable | Weld On |
| Width - Over Drums | 127.7 in |
| Width Between Drums | 49.6 in |
| Tip Height | 7.5 in |
| Capacity | 2.69 yd³ |
| Overall Width | 12.3 ft |
| Height | 2.8 ft |
| Digging Depth | 0.7 ft |
| Ground Clearance | 2.6 ft |
| Maximum Tilt | 1.1 ft |
| Turning Radius - Outside Corner of Blade | 21.1 ft |
| Turning Radius - Inside Face of Pusharm | 8.3 ft |
| Weight | 1764 lb |
| Total Operating Weight | 49652 lb |
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