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825 Soil Compactor
825 Soil Compactor
825 Soil Compactor
825 Soil Compactor
825 Soil Compactor
825 Soil Compactor
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Soil Compactors
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.
Gross Power (SAE J1995:2014)
435 hp/324 kW
Net Power (SAE J1349:2011)
405 hp/302 kW
Net Power (ISO 9249:2007)
405 hp/302 kW
Engine Power (ISO 14396:2002)
426 hp/318 kW
Key Features
OPERATOR COMFORT AND CONTROL
TOP-TIER SERVICE AND SUPPORT
POWERFUL EFFICIENCY
PRODUCTIVITY WITH TECHNOLOGY
OPTIMIZE COMPACTION
Specifications
Metric
|
Imperial
Engine 
Gross Power (SAE J1995:2014)
435 hp
324 kW
Net Power (SAE J1349:2011)
405 hp
302 kW
Net Power (ISO 9249:2007)
405 hp
302 kW
Engine Power (ISO 14396:2002)
426 hp
318 kW
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
1800 r/min
Peak Net Torque (1,300) rpm)
1479 lbf·ft
2005 N·m
Torque Rise
33%
Bore
5.4 in
137.2 mm
Stroke
6.7 in
171.4 mm
Displacement
927.6 in³
15.2 l
High Idle Speed
2300 r/min
2300 r/min
Low Idle Speed
800 r/min
800 r/min
Maximum Altitude - Without Derating (Tier 4 Final/Stage V)
9298 ft
2834 m
Maximum Altitude - Without Derating (Tier 3/Stage IIIA)
9,098 ft
2773 m
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.
Operating Specifications
Maximum Operating Weight (Tier 4 Final/Stage V)
78326 lb
35528 kg
Maximum Operating Weight (Tier 3/Stage IIIA equivalent)
77340 lb
35081 kg
Transmission
Transmission Type
Planetary - Powershift - ECPC
Travel Speeds - Forward - First
3.4 mile/h
5.5 km/h
Travel Speeds - Forward - Second
6.4 mile/h
10.3 km/h
Travel Speeds - Forward - Third
11.1 mile/h
17.8 km/h
Travel Speeds - Reverse - First
4.1 mile/h
6.6 km/h
Travel Speeds - Reverse - Second
7.3 mile/h
11.8 km/h
Travel Speeds - Reverse - Third
12.2 mile/h
19.7 km/h
Hydraulic System
Pump Flow at 1,800 rpm
30.9 gpm
117 L/min
Main Relief Pressure
3771 psi
26000 kPa
Maximum Supply Pressure
3495 psi
24100 kPa
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)
Service Refill Capacities
Cooling System
30.6 gal (US)
116 l
Engine Crankcase
9 gal (US)
34 l
Transmission
17.4 gal (US)
66 l
Fuel Tank
206.6 gal (US)
782 l
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage V)
8.5 gal (US)
32 l
Differential - Final Drives - Front
26.4 gal (US)
100 l
Differential - Final Drives - Rear
29.1 gal (US)
110 l
Hydraulic Tank Only
35.4 gal (US)
134 l
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.
Axles
Front
Planetary - Fixed
Rear
Planetary - Oscillating
Oscillation Angle
± 8 °
Braking System
Service Brakes
Multi Disc Wet (Enclosed) 2 WHL
Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released
Air Conditioning System
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).
Sound Performance - Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)
72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
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.
Sound Performance - Tier 3 / Stage IIIA
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)
72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
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.
Hydraulic System - Steering
Steering System - Circuit
Pilot operated, load sensing
Bore
5.4 in
137.2 mm
Stroke
6.7 in
171.4 mm
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
24000 Pa
Vehicle Articulation Angle
86 degrees
Blades
Moldboard - Length
14.4 ft
4390 mm
Height - Including Cutting Edge
3.4 ft
1032 mm
Maximum Depth of Cut
1.97 ft
602 mm
Maximum Lift Above Ground
3.14 ft
958 mm
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
890 mm
Width - Over End Bits
15.18 ft
4628 mm
Wheels
Weight
16167 lb
7333 kg
Outside Diameter
5.5 ft
1672 mm
Drum Diameter
4.3 ft
1299 mm
Drum Width
3.7 ft
1125 mm
Tips per Wheel
65
Width - Over Drums
11.97 ft
3650 mm
Wheels - High Impact
Weight
16167 lb
7333 kg
Outside Diameter
5.5 ft
1672 mm
Drum Diameter
4.3 ft
1299 mm
Drum Width
3.7 ft
1125 mm
Tips per Wheel
65
Width over Drums
11.97 ft
3650 ml
Dimensions (Approximate)
Height - Top of Beacon
14.5 ft
4381 mm
Height - Top of Cab Roof
13.4 ft
4059 mm
Height - Top of Exhaust Pipe
14.1 ft
4290 mm
Height to Top of Hood
10.5 ft
3162 mm
Ground Clearance - Bumper
2.8 ft
810 mm
Ground Clearance
1.7 ft
492 mm
Ground Clearance to Trunnion
1.47 ft
450 mm
Length - With Blade on Ground
28.0 ft
8561 mm
Centerline of Rear Axle to Bumper
9.3 ft
2830 mm
Hitch to Centerline of Front Axle
6.1 ft
1850 mm
Wheel Base
12.2 ft
3700 mm
Width - Over Wheels
11.12 ft
3650 mm
Equipment
Standard Equipment
Optional Equipment
