825K Soil Compactor
US
Metric
Overview
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™
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
Net Power
405.00 hp
302.00 kW
Rated Power (Net SAE J1349)
405.00 hp
302.00 kW
Rated Power (Net ISO 9249)
405.00 hp
302.00 kW
Gross Power
435.00 hp
324.00 kW
Net Power: Direct Drive – Gross Power
412.00 hp
307.00 kW
Net Power - Direct Drive - Torque Rise
33%
Net Power: Converter Drive – Gross Power
435.00 hp
324.00 kW
Net Power - Converter Drive - Torque Rise
8,5%
Maximum Net Torque @ 1,300 rpm
1478.80 lbf-ft
2005.00 N∙m
Maximum Altitude without Derating (Tier 4 Final/Stage IV)
9298.00 ft
2834.00 m
Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
9098.00 ft
2773.00 m
Bore
5.40 in
137.20 mm
Stroke
6.70 in
171.40 mm
Displacement
927.60 in3
15.20 L
High Idle Speed
2300.00 rpm
2300.00 rpm
Low Idle Speed
800.00 rpm
800.00 rpm
Operating Specifications
Operating Weight
78326.00 lb
35528.00 kg
Operating Weight - Tier 4 Final/Stage IV
78326.00 lb
35528.00 kg
Operating Weight - Tier 3 Final/Stage IIIA Equivalent
77340.00 lb
35081.00 kg
Transmission
Transmission Type
Planetary – Powershift – ECPC
Travel Speeds: Forward – First
3.40 mph
5.50 km/h
Travel Speeds: Forward – Second
6.00 mph
9.70 km/h
Travel Speeds - Forward - Third
10.70 mile/h
17.20 km/h
Travel Speeds: Reverse – First
3.90 mph
6.20 km/h
Travel Speeds: Reverse – Second
6.90 mph
11.10 km/h
Travel Speeds - Reverse - Third
12.20 mile/h
19.70 km/h
Hydraulic System
Pump Flow at 1,800 rpm
30.90 gal/min
117.00 l/min
Main Relief Pressure
3495.00 psi
24100.00 kPa
Maximum Supply Pressure
3495.00 psi
24100.00 kPa
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
30.60 gal
116.00 L
Engine Crankcase
9.00 gal
34.00 L
Transmission
17.40 gal
66.00 L
Fuel Tank
206.60 gal
782.00 L
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.50 gal
32.00 L
Differentials and Final Drives – Front
26.40 gal
100.00 L
Differentials and Final Drives – Rear
29.10 gal
110.00 L
Hydraulic Tank Only
35.40 gal
134.00 L
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)
73.00 dB(A)
73.00 dB(A)
Machine Sound Level (ISO 6395)
113.00 dB(A)
113.00 dB(A)
Cab – Suppression
Operator Sound Level (ISO 6396)
72.00 dB(A)
72.00 dB(A)
Machine Sound Level (ISO 6395)
110.00 dB(A)
110.00 dB(A)
Hydraulic System – Steering
Steering System – Circuit
Double Acting – End Mounted
Bore
4.50 in
114.30 mm
Stroke
22.70 in
576.00 mm
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
3481.00 psi
24000.00 kPa
Hydraulic System - Steering
Vehicle Articulation Angle
86 degrees
Blades
Moldboard Length
14.40 ft
4390.00 mm
Height - Including Cutting Edge
3.40 ft
1032.00 mm
Maximum Depth of Cut
1.97 ft
602.00 mm
Maximum Lift Above Ground
3.14 ft
958.00 mm
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
2.90 ft
890.00 mm
Width Over End Bits
15.18 ft
4628.00 mm
Wheels
Weight
16167.00 lb
7333.00 kg
Outside Diameter
5.50 ft
1672.00 mm
Drum Diameter
4.30 ft
1299.00 mm
Drum Width
3.70 ft
1125.00 mm
Tips per Wheel
65
Width - Over Drums
11.98 ft
3650.00 mm
Dimensions (Approximate)
Height to Top of Beacon
14.40 ft
4381.00 mm
Height to Top of Exhaust Pipe
14.10 ft
4290.00 mm
Height to Top of Hood
10.40 ft
3162.00 mm
Ground Clearance to Bumper
2.70 ft
810.00 mm
Center Line of Rear Axle to Edge of Counterweight
9.30 ft
2830.00 mm
Hitch to Center Line of Front Axle
6.10 ft
1850.00 mm
Wheelbase
12.10 ft
3700.00 mm
Length with Blade on Ground
28.10 ft
8561.00 mm
Ground Clearance
1.60 ft
492.00 mm
Width over Wheels
11.98 ft
3650.00 mm
Height to ROPS/Canopy
13.30 ft
4059.00 mm
Turning Radius - Inside of Push Arms
8.60 ft
2627.00 mm
Engine
Engine Model
C15 Cat
Net Power
405.00 HP
302.00 kW
Operating Specifications
Operating Weight
78326.00 lb
35528.00 kg
Axles
Front
Planetary ? Fixed
Oscillation Angle
?8?
Rear
Planetary ? Oscillating
Blades
Blade Tilt Angle - Left Full
10,1?
Blade Tilt Angle - Right Full
10,8?
Maximum Depth of Cut
1.97 ft
602.00 mm
Maximum Lift Above Ground
3.14 ft
958.00 mm
Moldboard - Length
14.40 ft
4390.00 mm
Width - Over End Bits
15.18 ft
4628.00 mm
Braking System
Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released
Cab - Standard
Machine Sound Level (ISO 6395)
113.00 dB(A)
113.00 dB(A)
Operator Sound Level - ISO 6396
73.00 dB(A)
73.00 dB(A)
Cab - Suppression
Machine Sound Level (ISO 6395)
110.00 dB(A)
110.00 dB(A)
Operator Sound Level - ISO 6396
72.00 dB(A)
72.00 dB(A)
Dimensions (Approximate)
Centerline of Rear Axle to Edge of Counterweight
9.30 ft
2830.00 mm
Ground Clearance
1.60 ft
492.00 mm
Ground Clearance - Bumper
2.70 ft
810.00 mm
Height - ROPS/Canopy
13.30 ft
4059.00 mm
Height - Top of Beacon
14.40 ft
4381.00 mm
Height - Top of Exhaust Pipe
14.10 ft
4290.00 mm
Height - Top of Hood
10.40 ft
3162.00 mm
Hitch to Centerline of Front Axle
6.10 ft
1850.00 mm
Length - With Blade on Ground
28.10 ft
8561.00 mm
Wheel Base
12.10 ft
3700.00 mm
Width - Over Wheels
11.98 ft
3650.00 mm
Engine
Bore
5.40 in
137.20 mm
Displacement
927.60 in³
15.20 l
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
435.00 HP
324.00 kW
High Idle Speed
2300.00 r/min
2300.00 r/min
Low Idle Speed
800.00 r/min
800.00 r/min
Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
9298.00 ft
2834.00 m
Maximum Net Torque - 1,300 rpm
1478.80 lb/ft
2005.00 N·m
Net Power - Converter Drive - Gross Power
435.00 HP
324.00 kW
Net Power - Direct Drive - Gross Power
412.00 HP
307.00 kW
Rated Power (Net ISO 9249)
405.00 HP
302.00 kW
Rated Power (Net SAE J1349)
405.00 HP
302.00 kW
Stroke
6.70 in
171.40 mm
Hydraulic System
Cylinders, Double Acting - Lift, Bore and Stroke
120 mm ? 1070 mm (4.7 in ? 42.1 in)
Cylinders, Double Acting - Tilt, Bore and Stroke
95.25 mm ? 216 mm (3.75 in ? 8.5 in)
Main Relief Pressure
3495.00 psi
24100.00 kPa
Maximum Supply Pressure
3495.00 psi
24100.00 kPa
Hydraulic System - Steering
Bore
4.50 in
114.30 mm
Maximum System Flow
170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering Pressure Limited
3481.00 psi
24000.00 kPa
Steering System - Circuit
Double Acting ? End Mounted
Steering System - Pump
Piston ? Variable Displacement
Stroke
22.70 in
576.00 mm
Service Refill Capacities
Cooling System
30.60 gal (US)
116.00 l
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.50 gal (US)
32.00 l
Differential - Final Drives - Front
26.40 gal (US)
100.00 l
Differential - Final Drives - Rear
29.10 gal (US)
110.00 l
Engine Crankcase
9.00 gal (US)
34.00 l
Fuel Tank
206.60 gal (US)
782.00 l
Hydraulic Tank Only
35.40 gal (US)
134.00 l
Transmission
17.40 gal (US)
66.00 l
Transmission
Transmission Type
Planetengetriebe ? Lastschaltgetriebe ? ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
Travel Speeds - Forward - First
3.40 mile/h
5.50 km/h
Travel Speeds - Forward - Second
6.00 mile/h
9.70 km/h
Travel Speeds - Reverse - First
3.90 mile/h
6.20 km/h
Travel Speeds - Reverse - Second
6.90 mile/h
11.10 km/h
Features
POWERFUL EFFICIENCY
LONG TERM VALUE AND DURABILITY
PERFORMANCE WITH LESS FUEL
OPTIMIZE COMPACTION
OPERATOR COMFORT AND CONTROL
PRODUCTIVITY WITH TECHNOLOGY
BUILT-IN SAFETY FEATURES
REDUCE ENVIRONMENTAL IMPACT
TOP-TIER SERVICE AND SUPPORT
Sales Features
Efficiency and Productivity
Delivering the efficiency and productivity you demand through integrated machine systems.Structures
Purpose-built from the ground up for the toughest conditions.Power Train
Operate more efficiently with improved power and control.Tamping Wheels and Tips
The heart of any compaction system.Operator Station
Best-in-class operator comfort and ergonomics.Integrated Technologies
Monitor, manage, and enhance job site operations.Safety
Making your safety our priority.Sustainability
Stewards of the environment.Serviceability
Enabling high uptime by reducing your service time.Customer Support
Your Cat dealers know how to keep your machines productive.Operating Costs
Save time and money by working smart.Standard Equipment
- NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- POWER TRAIN
- Air to air aftercooler
- Autoshift
- Brakes, full hydraulic, enclosed, wet multiple disc service brakes
- Cat clean emission module (Tier 4 Final/Stage IV)
- Electro-hydraulic parking brake
- Electronic Clutch Pressure Control (ECPC)
- Engine, Cat C15: – Tier 4 Final/Stage IV – Tier 3/Stage IIIA equivalent
- Fuel priming pump (electric)
- Fuel to air cooler
- Ground level engine shutoff
- Hydraulically driven demand fan
- Integrated braking system
- Muffler (under hood) (Tier 3/Stage IIIA equivalent)
- Radiator, Aluminum Modular (AMR)
- Separated cooling system
- Single Clutch Speed Shifting (SCSS)
- Starting aid (ether) automatic
- Throttle lock
- Torque converter with Lock Up Clutch (LUC)
- Transmission, planetary, with 3F/3R speed range control
- ELECTRICAL
- Alarm, back-up
- Alternator, 150 amp
- Batteries, maintenance-free (4 – 1,000 CCA)
- Electrical system, 24V
- Ground level lockable master disconnect switch
- Light, warning unswitched (LED strobe)
- Lighting, access stairway
- Lighting, under hood
- Lighting system, halogen (front and rear)
- Lights, directional (rear)
- Starter, electric (heavy duty)
- Starting receptacle for emergency start
- OPERATOR ENVIRONMENT
- 12V power port for mobile phone or laptop connection
- AccuGrade™ mapping (ready)
- Air conditioner
- Cab, sound-suppressed pressurized
- Cab door, sliding window (LH)
- Compaction control (ready)
- Coat and hard hat hooks
- Electro-hydraulic tilt and lift controls
- Finger tip shifting controls
- Flip-up armrest
- Heater and defroster
- Horn, electric
- Implement hydraulic lockout
- Instrumentation, gauges: – DEF fluid level (Tier 4 Final/Stage IV) – Engine coolant temperature – Fuel level – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
- Instrumentation, warning indicators: – Action alert system, three categories – Brake oil pressure – Electrical system, low voltage – Engine failure malfunction alert and action lamp – Parking brake status
- Internal four-post rollover protective structure (ROPS/FOPS)
- Laminated glass
- Light, (dome) cab
- Lunch box and beverage holders
- Mirror, internal (panoramic)
- Mirrors, heated ready
- Mirrors, rearview (externally mounted)
- Radio ready for entertainment: – Antenna – Speakers – Converter (12V, 10-15 amp)
- Seat, Cat Comfort (cloth) air suspension
- Seat belt with minder, retractable, 76 mm (3 in) wide
- STIC control system with lockout
- Sun visor, front
- Tinted glass
- Transmission gear (indicator)
- Vital Information Management System (VIMS): – Graphical information display – External data port – Customizable operator profiles
- Wet-arm wipers/washers (front and rear)
- Intermittent wipers (front and rear)
- TIRES, RIMS AND WHEELS
- Wheels, tamping tips
- GUARDS
- Guard, driveshaft
- Guards, crankcase and power train
- BLADES
- Bulldozer straight blade, hydraulics, and linkage are included in the base machine
- FLUIDS
- Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
- OTHER STANDARD EQUIPMENT
- Cleaner bars with teeth
- Doors, service access (locking)
- Ecology drains for engine, radiator, transmission, hydraulic tank
- Emergency platform egress
- Engine, crankcase, 500 hour interval with CJ-4 oil
- Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
- Fast fuel system
- Fire suppression ready
- Fuel tank, Fast Fill, 782 L (207 gal)
- Hitch, drawbar with pin
- Hoses, Cat
- Hydraulic, engine, and transmission oil coolers
- Oil change system, high speed
- Oil sampling valves
- Product Link
- Stairway, left and right rear access
- Steering, load sensing
- Toe kicks
- Total hydraulic filtration system
- Vandalism protection caplocks
- Venturi stack
- Fold down exhaust stack for shipping
Optional Equipment
- NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- OPERATOR ENVIRONMENT
- Camera, rear vision
- Radio, AM/FM/AUX/USB/BLUETOOTH
- Radio, CB (ready)
- TECHNOLOGY PRODUCTS
- Compaction control, basic
- FLUIDS
- Antifreeze, –50° C (–58° F)
- STARTING AIDS
- Heater, engine coolant, 120V
- Heater, engine coolant, 240V
- MISCELLANEOUS
- Film (ANSI) (Tier 4 Final/Stage IV)
- EU certification (Tier 4 Final/Stage IV)
- Plate – year of manufacture (Tier 3/Stage III Equivalent)