825K Soil Compactor

825K Soil Compactor

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

Engine

Engine Model
Cat® C15 ACERT™
Net Power
405 hp
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Rated Power (Net SAE J1349)
405 hp
Rated Power (Net ISO 9249)
405 hp
Gross Power
435 hp
Net Power: Direct Drive – Gross Power
412 hp
Net Power: Direct Drive – Torque Rise
33%
Net Power: Converter Drive – Gross Power
435 hp
Net Power: Converter Drive – Torque Rise
8.5%
Maximum Net Torque @ 1,300 rpm
1478.8 lbf-ft
Maximum Altitude without Derating (Tier 4 Final/Stage IV)
9298 ft
Maximum Altitude without Derating (Tier 3 Final/Stage IIIA equivalent)
9098 ft
Bore
5.4 in
Stroke
6.7 in
Displacement
927.6 in3
High Idle Speed
2300 rpm
Low Idle Speed
800 rpm

Operating Specifications

Operating Weight
78326 lb
Operating Weight (Tier 4 Final/Stage IV)
78326 lb
Operating Weight (Tier 3 Final/Stage IIIA equivalent)
77340 lb

Transmission

Transmission Type
Planetary – Powershift – ECPC
Travel Speeds: Forward – First
3.4 mph
Travel Speeds: Forward – Second
6.0 mph
Travel Speeds: Forward – Third
10.7 mph
Travel Speeds: Reverse – First
3.9 mph
Travel Speeds: Reverse – Second
6.9 mph
Travel Speeds: Reverse – Third
12.2 mph

Hydraulic System

Pump Flow at 1,800 rpm
30.9 gal/min
Main Relief Pressure
3495 psi
Maximum Supply Pressure
3495 psi
Cylinder, Double-acting: Lift, Bore and Stroke
120 mm × 1070 mm (4.7 in × 42.1 in)
Cylinder, Double-acting: Tilt, Bore and Stroke
95.25 mm × 216 mm (3.75 in × 8.5 in)

Service Refill Capacities

Cooling System
30.6 gal
Engine Crankcase
9.0 gal
Transmission
17.4 gal
Fuel Tank
206.6 gal
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.5 gal
Differentials and Final Drives – Front
26.4 gal
Differentials and Final Drives – Rear
29.1 gal
Hydraulic Tank Only
35.4 gal

Axles

Front
Planetary – Fixed
Rear
Planetary – Oscillating
Oscillation Angle
±8°

Brakes

Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released

Cab – Standard

Operator Sound Level (ISO 6396)
73 dB(A)
Machine Sound Level (ISO 6395)
113 dB(A)

Cab – Suppression

Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
110 dB(A)

Hydraulic System – Steering

Steering System – Circuit
Double Acting – End Mounted
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 psi
Vehicle Articulation Angle
86 degrees

Blades

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

Wheels

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
11.98 ft

Dimensions (Approximate)

Height to Top of Beacon
14.4 ft
Height to Top of Exhaust Pipe
14.1 ft
Height to Top of Hood
10.4 ft
Ground Clearance to Bumper
2.7 ft
Center Line of Rear Axle to Edge of Counterweight
9.3 ft
Hitch to Center Line of Front Axle
6.1 ft
Wheelbase
12.1 ft
Length with Blade on Ground
28.1 ft
Ground Clearance
1.6 ft
Width over Wheels
11.98 ft
Height to ROPS/Canopy
13.3 ft
Turning Radius – Inside of Push Arms
8.6 ft