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
- Gross Power
- 435 HP
- Bore
- 5.4 in
- Stroke
- 6.7 in
- Displacement
- 927.6 in²
- 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
- Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
- 9098 ft
- Rated Power (Net ISO 9249)
- 405 HP
- Net Power - Converter Drive - Gross Power
- 435 HP
- Net Power - Direct Drive - Gross Power
- 412 HP
- Net Power - Converter Drive - Torque Rise
- 8,5%
- Net Power - Direct Drive - Torque Rise
- 33%
- 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
- Engine Model
- C15 Cat
Service Refill Capacities
- Differential - Final Drives - Front
- 26.4 gal (US)
- Differential - Final Drives - Rear
- 29.1 gal (US)
- Hydraulic Tank Only
- 35.4 gal (US)
- Cooling System
- 30.6 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)
- Transmission
- 17.4 gal (US)
Transmission
- Transmission Type
- Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
- Travel Speeds - Forward - First
- 3.4 mile/h
- Travel Speeds - Reverse - Third
- 12.2 mile/h
- Travel Speeds - Reverse - First
- 3.9 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
Hydraulic System - Steering
- Steering System - Circuit
- Double Acting ? End Mounted
- Steering System - Pump
- Piston ? Variable Displacement
- Vehicle Articulation Angle
- 86 degrees
- Steering Pressure Limited
- 3481 psi
- Stroke
- 22.7 in
- Maximum System Flow
- 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
- Bore
- 4.5 in
Axles
- Front
- Planetary ? Fixed
- Rear
- Planetary ? Oscillating
- Oscillation Angle
- ?8?
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 - Left Full
- 10,1?
- Maximum Depth of Cut
- 1.97 ft
- Blade Tilt Angle - Right - Mechanical
- 5,1?
- Blade Tilt Angle - Right Full
- 10,8?
- Blade Tilt Angle - Left - Mechanical
- 4,1?
- Width - Over End Bits
- 15.18 ft
- Blade Tip Angle - Forward
- 7,3?
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 - Top of Exhaust Pipe
- 14.1 ft
- Height - ROPS/Canopy
- 13.3 ft
- Width - Over Wheels
- 11.98 ft
- Turning Radius - Inside of Push Arms
- 8.6 ft
- Wheel Base
- 12.1 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
- 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
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)
Operating Specifications
- Operating Weight - Tier 3 Final/Stage IIIA Equivalent
- 77340 lb
- Operating Weight - Tier 4 Final/Stage IV
- 78326 lb
- Operating Weight
- 78326 lb