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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 Model | C15 Cat® |
| Net Power | 405 HP |
| Rated Power (Net ISO 9249) | 405 HP |
| Maximum Net Torque - 1,300 rpm | 1478.8 lb/ft |
| Maximum Altitude - Without Derating (Tier 4 Final/Stage IV) | 9298 ft |
| Net Power - Converter Drive - Gross Power | 435 HP |
| Stroke | 6.7 in |
| Net Power - Converter Drive - Torque Rise | 8,5% |
| Gross Power | 435 HP |
| High Idle Speed | 2300 r/min |
| Rated Power (Net SAE J1349) | 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 |
| Low Idle Speed | 800 r/min |
| Net Power - Direct Drive - Torque Rise | 33% |
| Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent) | 9098 ft |
| Net Power - Direct Drive - Gross Power | 412 HP |
| Bore | 5.4 in |
| Displacement | 927.6 in³ |
| Operating Weight | 78326 lb |
| Operating Weight - Tier 3 Final/Stage IIIA Equivalent | 77340 lb |
| Operating Weight - Tier 4 Final/Stage IV | 78326 lb |
| Travel Speeds - Reverse - First | 3.9 mile/h |
| Travel Speeds - Forward - First | 3.4 mile/h |
| Travel Speeds - Reverse - Third | 12.2 mile/h |
| Travel Speeds - Reverse - Second | 6.9 mile/h |
| Travel Speeds - Forward - Third | 10.7 mile/h |
| Transmission Type | Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung) |
| Travel Speeds - Forward - Second | 6 mile/h |
| Machine Sound Level (ISO 6395) | 113 dB(A) |
| Operator Sound Level - ISO 6396 | 73 dB(A) |
| Ground Clearance | 1.6 ft |
| Length - With Blade on Ground | 28.1 ft |
| Height - Top of Exhaust Pipe | 14.1 ft |
| Hitch to Centerline of Front Axle | 6.1 ft |
| Turning Radius - Inside of Push Arms | 8.6 ft |
| Centerline of Rear Axle to Edge of Counterweight | 9.3 ft |
| Wheel Base | 12.1 ft |
| Ground Clearance - Bumper | 2.7 ft |
| Height - Top of Beacon | 14.4 ft |
| Height - ROPS/Canopy | 13.3 ft |
| Height - Top of Hood | 10.4 ft |
| Width - Over Wheels | 11.98 ft |
| Hydraulic Tank Only | 35.4 gal (US) |
| Differential - Final Drives - Rear | 29.1 gal (US) |
| Fuel Tank | 206.6 gal (US) |
| Cooling System | 30.6 gal (US) |
| Differential - Final Drives - Front | 26.4 gal (US) |
| Transmission | 17.4 gal (US) |
| Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV) | 8.5 gal (US) |
| Engine Crankcase | 9 gal (US) |
| Oscillation Angle | ±8° |
| Rear | Planetary – Oscillating |
| Front | Planetary – Fixed |
| Maximum Supply Pressure | 3495 psi |
| Main Relief 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 |
| Cylinders, Double Acting - Lift, Bore and Stroke | 120 mm × 1070 mm (4.7 in × 42.1 in) |
| Total Tilt Adjustment | 2.9 ft |
| Maximum Lift Above Ground | 3.14 ft |
| Moldboard - Length | 14.4 ft |
| Blade Tilt Angle - Left - Mechanical | 4,1° |
| Width - Over End Bits | 15.18 ft |
| Blade Tilt Angle - Left - Hydraulic | 5,4° |
| Blade Tip Angle - Total | 14,8° |
| Maximum Depth of Cut | 1.97 ft |
| Height - Including Cutting Edge | 3.4 ft |
| Blade Tip Angle - Forward | 7,3° |
| Blade Tilt Angle - Right - Mechanical | 5,1° |
| Blade Tip Angle - Back | 7,5° |
| Blade Tilt Angle - Right - Hydraulic | 6,3° |
| Blade Tilt Angle - Left Full | 10,1° |
| Blade Tilt Angle - Right Full | 10,8° |
| Maximum System Flow | 170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm) |
| Stroke | 22.7 in |
| Steering System - Circuit | Double Acting – End Mounted |
| Vehicle Articulation Angle | 86 degrees |
| Bore | 4.5 in |
| Steering Pressure Limited | 3481 psi |
| Steering System - Pump | Piston – Variable Displacement |
| Weight | 16167 lb |
| Drum Width | 3.7 ft |
| Drum Diameter | 4.3 ft |
| Tips per Wheel | 65 |
| Width - Over Drums | 11.98 ft |
| Outside Diameter | 5.5 ft |
| Operator Sound Level - ISO 6396 | 72 dB(A) |
| Machine Sound Level (ISO 6395) | 110 dB(A) |
| Parking Brake | Drum and Shoe, Spring Applied, Hydraulic Released |
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