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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.

Cat Specs
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Engine

Gross Power
435 HP
Net Power
405 HP
Bore
5.4 in
Stroke
6.7 in
Displacement
927.6 in³
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
Low Idle Speed
800 r/min
Engine Model
Cat® C15 ACERT™
High Idle Speed
2300 r/min

Operating Specifications

Operating Weight
78326 lb

Dimensions (Approximate)

Ground Clearance
1.6 ft
Wheel Base
12.1 ft
Ground Clearance - Bumper
2.7 ft
Height - Top of Hood
10.4 ft
Turning Radius - Inside of Push Arms
8.6 ft
Height - Top of Beacon
14.4 ft
Hitch to Centerline of Front Axle
6.1 ft
Height - Top of Exhaust Pipe
14.1 ft
Length - With Blade on Ground
28.1 ft
Width - Over Wheels
11.98 ft

Service Refill Capacities

Hydraulic Tank Only
35.4 gal (US)
Cooling System
30.6 gal (US)
Transmission
17.4 gal (US)
Differential - Final Drives - Front
26.4 gal (US)
Fuel Tank
206.6 gal (US)
Differential - Final Drives - Rear
29.1 gal (US)
Engine Crankcase
9 gal (US)

Wheels

Drum Width
3.7 ft
Drum Diameter
4.3 ft
Outside Diameter
5.5 ft
Tips per Wheel
65
Weight
16167 lb
Width - Over Drums
11.98 ft

Transmission

Transmission Type
Planetary – Powershift – ECPC
Travel Speeds - Forward - Second
6 mile/h
Travel Speeds - Reverse - Second
6.9 mile/h
Travel Speeds - Forward - Third
10.7 mile/h
Travel Speeds - Reverse - Third
12.2 mile/h
Travel Speeds - Forward - First
3.4 mile/h
Travel Speeds - Reverse - First
3.9 mile/h

Blades

Maximum Depth of Cut
1.97 ft
Maximum Lift Above Ground
3.14 ft
Total Tilt Adjustment
2.9 ft
Width - Over End Bits
15.18 ft
Blade Tilt Angle - Right - Hydraulic
6.3°
Height - Including Cutting Edge
3.4 ft
Blade Tilt Angle - Left - Hydraulic
5.4°

Axles

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

Hydraulic System - Steering

Bore
4.5 in
Steering System - Circuit
Double Acting – End Mounted
Vehicle Articulation Angle
86 degrees
Maximum System Flow
170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering System - Pump
Piston – Variable Displacement
Steering Pressure Limited
3481 psi
Stroke
22.7 in

Cab - Suppression

Operator Sound Level - ISO 6396
72 dB(A)

Hydraulic System

Main Relief Pressure
3495 psi
Maximum Supply Pressure
3495 psi
Cylinders, Double Acting - Lift, Bore and Stroke
120 mm × 1070 mm (4.7 in × 42.1 in)

Brakes

Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released

Cab - Standard

Operator Sound Level - ISO 6396
73 dB(A)