825K Soil Compactor
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
- Net Power
- 405 HP
- Engine Model
- C15 Cat®
- 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
- Gross Power
- 435 HP
- Bore
- 5.4 in
- Stroke
- 6.7 in
- Displacement
- 927.6 in²
- Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
- 9098 ft
- Rated Power (Net ISO 9249)
- 405 HP
- Net Power - Direct Drive - Gross Power
- 412 HP
- Net Power - Converter Drive - Gross Power
- 435 HP
- Net Power - Direct Drive - Torque Rise
- 33%
- Net Power - Converter Drive - Torque Rise
- 8,5%
- High Idle Speed
- 2300 r/min
- Low Idle Speed
- 800 r/min
- Maximum Net Torque - 1,300 rpm
- 1478.8 lb/ft
- Rated Power (Net SAE J1349)
- 405 HP
- Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
- 9298 ft
Operating Specifications
- Operating Weight
- 78326 lb
- Operating Weight - Tier 3 Final/Stage IIIA Equivalent
- 77340 lb
- Operating Weight - Tier 4 Final/Stage IV
- 78326 lb
Transmission
- Transmission Type
- Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
- Travel Speeds - Forward - First
- 3.4 mile/h
- Travel Speeds - Reverse - First
- 3.9 mile/h
- Travel Speeds - Reverse - Third
- 12.2 mile/h
- Travel Speeds - Forward - Second
- 6 mile/h
- Travel Speeds - Reverse - Second
- 6.9 mile/h
- Travel Speeds - Forward - Third
- 10.7 mile/h
Service Refill Capacities
- Transmission
- 17.4 gal (US)
- Differential - Final Drives - Front
- 26.4 gal (US)
- Hydraulic Tank Only
- 35.4 gal (US)
- Cooling System
- 30.6 gal (US)
- Differential - Final Drives - Rear
- 29.1 gal (US)
- Fuel Tank
- 206.6 gal (US)
- Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
- 8.5 gal (US)
- Engine Crankcase
- 9 gal (US)
Axles
- Front
- Planetary – Fixed
- Rear
- Planetary – Oscillating
- Oscillation Angle
- ±8°
Hydraulic System
- Cylinders, Double Acting - Lift, Bore and Stroke
- 120 mm × 1070 mm (4.7 in × 42.1 in)
- Main Relief Pressure
- 3495 psi
- Maximum Supply Pressure
- 3495 psi
- Cylinders, Double Acting - Tilt, Bore and Stroke
- 95.25 mm × 216 mm (3.75 in × 8.5 in)
- Pump Flow at 1,800 rpm
- 30.9 gal/min
Blades
- Blade Tilt Angle - Right - Hydraulic
- 6,3°
- Maximum Lift Above Ground
- 3.14 ft
- Blade Tilt Angle - Left - Hydraulic
- 5,4°
- Height - Including Cutting Edge
- 3.4 ft
- Blade Tip Angle - Total
- 14,8°
- Moldboard - Length
- 14.4 ft
- Blade Tip Angle - Back
- 7,5°
- Total Tilt Adjustment
- 2.9 ft
- Blade Tilt Angle - Right - Mechanical
- 5,1°
- Blade Tilt Angle - Left Full
- 10,1°
- Maximum Depth of Cut
- 1.97 ft
- Blade Tip Angle - Forward
- 7,3°
- Blade Tilt Angle - Right Full
- 10,8°
- Blade Tilt Angle - Left - Mechanical
- 4,1°
- Width - Over End Bits
- 15.18 ft
Dimensions (Approximate)
- Length - With Blade on Ground
- 28.1 ft
- Hitch to Centerline of Front Axle
- 6.1 ft
- Centerline of Rear Axle to Edge of Counterweight
- 9.3 ft
- Height - Top of Hood
- 10.4 ft
- Ground Clearance - Bumper
- 2.7 ft
- Height - ROPS/Canopy
- 13.3 ft
- Height - Top of Exhaust Pipe
- 14.1 ft
- Wheel Base
- 12.1 ft
- Width - Over Wheels
- 11.98 ft
- Turning Radius - Inside of Push Arms
- 8.6 ft
- Height - Top of Beacon
- 14.4 ft
- Ground Clearance
- 1.6 ft
Wheels
- Tips per Wheel
- 65
- Weight
- 16167 lb
- Width - Over Drums
- 11.98 ft
- Outside Diameter
- 5.5 ft
- Drum Width
- 3.7 ft
- Drum Diameter
- 4.3 ft
Braking System
- Parking Brake
- Drum and Shoe, Spring Applied, Hydraulic Released
Hydraulic System - Steering
- Steering System - Pump
- Piston – Variable Displacement
- Steering Pressure Limited
- 3481 psi
- Vehicle Articulation Angle
- 86 degrees
- Stroke
- 22.7 in
- Steering System - Circuit
- Double Acting – End Mounted
- Maximum System Flow
- 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
- Bore
- 4.5 in
Cab - Suppression
- Machine Sound Level (ISO 6395)
- 110 dB(A)
- Operator Sound Level - ISO 6396
- 72 dB(A)
Cab - Standard
- Operator Sound Level - ISO 6396
- 73 dB(A)
- Machine Sound Level (ISO 6395)
- 113 dB(A)