825 Soil Compactor

Setting the Bar in Compaction

Designed with durability built in, the Cat 825 ensures maximum availability through multiple life cycles. Designed and manufactured for optimum performance and serviceability, this rugged, powerful machine delivers heavy-duty compaction and dozing.

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 825 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

Highlights
Features & Specs
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Equipment Highlights

OPERATOR COMFORT AND CONTROL
TOP-TIER SERVICE AND SUPPORT
POWERFUL EFFICIENCY
PRODUCTIVITY WITH TECHNOLOGY
OPTIMIZE COMPACTION

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Features + Specs

Equipment Features
Optional Equipment
Specs
  • Front: Planetary - Fixed
  • Rear: Planetary - Oscillating
  • Oscillation Angle: ± 8 °
  • Moldboard - Length: 14.4 ft
  • Height - Including Cutting Edge: 3.4 ft
  • Maximum Depth of Cut: 1.97 ft
  • Maximum Lift Above Ground: 3.14 ft
  • Blade Tip Angle - Total: 14.8°
  • Blade Tip Angle - Forward: 7.3°
  • Blade Tip Angle - Back: 7.5°
  • Blade Tilt Angle - Right - Mechanical: 5.1°
  • Blade Tilt Angle - Left - Mechanical: 4.1°
  • Blade Tilt Angle - Right - Hydraulic: 6.3°
  • Blade Tilt Angle - Left - Hydraulic: 5.4°
  • Blade Tilt Angle - Right Full: 10.8°
  • Blade Tilt Angle - Left Full: 10.1°
  • Total Tilt Adjustment: 2.9 ft
  • Width - Over End Bits: 15.18 ft
  • Gross Power (SAE J1995:2014): 435 hp
  • Net Power (SAE J1349:2011): 405 hp
  • Net Power (ISO 9249:2007): 405 hp
  • Engine Power (ISO 14396:2002): 426 hp
  • Engine Model: Cat® C15
  • Emissions: U.S. EPA Tier 4 Final / EU Stage V/Korea Stage V and Japan 2014 or Brazil MAR-1, emitting equivalent to U.S. EPA Tier 3/EU Stage IIIA
  • Rated Speed: 1800 r/min
  • Peak Net Torque (1,300) rpm): 1479 lbf·ft
  • Torque Rise: 33%
  • Bore: 5.4 in
  • Stroke: 6.7 in
  • Displacement: 927.6 in³
  • High Idle Speed: 2300 r/min
  • Low Idle Speed: 800 r/min
  • Maximum Altitude - Without Derating (Tier 4 Final/Stage V): 9298 ft
  • Maximum Altitude - Without Derating (Tier 3/Stage IIIA): 9098 ft
  • Note: Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
  • Weight: 16167 lb
  • Outside Diameter: 5.5 ft
  • Drum Diameter: 4.3 ft
  • Drum Width: 3.7 ft
  • Tips per Wheel: 65
  • Width - Over Drums: 11.97 ft
  • Transmission Type: Planetary - Powershift - ECPC
  • Travel Speeds - Forward - First: 3.4 mile/h
  • Travel Speeds - Forward - Second: 6.4 mile/h
  • Travel Speeds - Forward - Third: 11.1 mile/h
  • Travel Speeds - Reverse - First: 4.1 mile/h
  • Travel Speeds - Reverse - Second: 7.3 mile/h
  • Travel Speeds - Reverse - Third: 12.2 mile/h
  • Service Brakes: Multi Disc Wet (Enclosed) 2 WHL
  • Parking Brake: Drum and Shoe, Spring Applied, Hydraulic Released
  • Pump Flow at 1,800 rpm: 30.9 gpm
  • Main Relief Pressure: 3771 psi
  • Maximum Supply Pressure: 3495 psi
  • Cylinders, Double Acting - Lift, Bore and Stroke: 120 mm x 1070 mm (4.7 in x 42.1 in)
  • Cylinders, Double Acting - Tilt, Bore and Stroke: 95.25 mm x 215 mm (3.75 in x 8.5 in)
  • Weight: 16610 lb
  • Outside Diameter: 5.5 ft
  • Drum Diameter: 4.3 ft
  • Drum Width: 3.8 ft
  • Tips per Wheel: 65
  • Width over Drums: 11.97 ft
  • 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 contains 2.0 kg (4.4 lb) of refrigerant which has a CO2 equivalent of 2.86 metric tonnes (3.15 tons).
  • Height - Top of Beacon: 14.5 ft
  • Height - Top of Cab Roof: 13.4 ft
  • Height - Top of Exhaust Pipe: 14.1 ft
  • Height to Top of Hood: 10.5 ft
  • Ground Clearance - Bumper: 2.8 ft
  • Ground Clearance: 1.7 ft
  • Ground Clearance to Trunnion: 1.47 ft
  • Length - With Blade on Ground: 28 ft
  • Centerline of Rear Axle to Bumper: 9.3 ft
  • Hitch to Centerline of Front Axle: 6.1 ft
  • Wheel Base: 12.2 ft
  • Width - Over Wheels: 11.12 ft
  • Maximum Operating Weight (Tier 4 Final/Stage V): 78326 lb
  • Maximum Operating Weight (Tier 3/Stage IIIA equivalent): 77340 lb
  • Cooling System: 30.6 gal (US)
  • Engine Crankcase: 9 gal (US)
  • Transmission: 17.4 gal (US)
  • Fuel Tank: 206.6 gal (US)
  • Diesel Exhaust Fluid Tank (Tier 4 Final/Stage V): 8.5 gal (US)
  • Differential - Final Drives - Front: 26.4 gal (US)
  • Differential - Final Drives - Rear: 29.1 gal (US)
  • Hydraulic Tank Only: 35.4 gal (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, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. – 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 22241-1:2006.
  • Steering System - Circuit: Pilot operated, load sensing
  • Bore: 4.5 in
  • Stroke: 22.7 in
  • Steering System - Pump: Piston - Variable Displacement
  • Maximum System Flow: 170 L/min @ 1,800 rpm / 44.9 gal/min @ 1,800 rpm
  • Steering Pressure Limited: 3481 lb/in²
  • Vehicle Articulation Angle: 86 degrees
  • Operator Sound Pressure Level (ISO 6396:2008): 73 dB(A)
  • Machine Sound Power Level (ISO 6395:2008): 113 dB(A)
  • Operator Sound Pressure Level (ISO 6396:2008)*: 72 dB(A)
  • Machine Sound Power Level (ISO 6395:2008)**: 110 dB(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): The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Note (4): The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Note (5): 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): 73 dB(A)
  • Machine Sound Power Level (ISO 6395:2008): 113 dB(A)
  • Operator Sound Pressure Level (ISO 6396:2008)*: 72 dB(A)
  • Machine Sound Power Level (ISO 6395:2008)**: 110 dB(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): The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Note (4): The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Note (5): 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.
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