Compactors

Riggs Cat

825K Soil Compactor

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Specification Summary

Engine Model
Cat® C15
Net Power
405 HP
Operating Weight
78326 lb
Front
Planetary – Fixed
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Engine

Engine Model
Cat® C15
Net Power
405 HP
Bore
5.4 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
Gross Power
435 HP
High Idle Speed
2300 r/min
Low Idle Speed
800 r/min
Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
9298 ft
Maximum Net Torque - 1,300 rpm
1478.8 lb/ft
Net Power - Converter Drive - Gross Power
435 HP
Net Power - Direct Drive - Gross Power
412 HP
Rated Power (Net ISO 9249)
405 HP
Rated Power (Net SAE J1349)
405 HP
Stroke
6.7 in
Net Power - Direct Drive - Torque Rise
33%
Net Power - Converter Drive - Torque Rise
8.5%
Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
9098 ft

Operating Specifications

Operating Weight
78326 lb
Operating Weight - Tier 4 Final/Stage IV
78326 lb
Operating Weight - Tier 3 Final/Stage IIIA Equivalent
77340 lb

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
Maximum Lift Above Ground
3.14 ft
Moldboard - Length
14.4 ft
Width - Over End Bits
15.18 ft
Height - Including Cutting Edge
3.4 ft
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°
Total Tilt Adjustment
2.9 ft

Brakes

Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released

Cab - Standard

Machine Sound Level (ISO 6395)
113 dB(A)
Operator Sound Level - ISO 6396
73 dB(A)

Cab - Suppression

Machine Sound Level (ISO 6395)
110 dB(A)
Operator Sound Level - ISO 6396
72 dB(A)

Dimensions (Approximate)

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

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 psi
Maximum Supply Pressure
3495 psi
Pump Flow at 1,800 rpm
30.9 gal/min

Hydraulic System - Steering

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

Service Refill Capacities

Cooling System
30.6 gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.5 gal (US)
Differential - Final Drives - Front
26.4 gal (US)
Differential - Final Drives - Rear
29.1 gal (US)
Engine Crankcase
9 gal (US)
Fuel Tank
206.6 gal (US)
Hydraulic Tank Only
35.4 gal (US)
Transmission
17.4 gal (US)

Transmission

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

Wheels

Weight
16167 lb
Outside Diameter
5.5 ft
Drum Diameter
4.3 ft
Drum Width
3.7 ft
Tips per Wheel
65
Width - Over Drums
11.98 ft
Engine Model
Cat® C15
Net Power
405 HP
Operating Weight
78326 lb
Front
Planetary – Fixed
Oscillation Angle
±8°
Rear
Planetary – Oscillating
Blade Tilt Angle - Left Full
10.1°
Blade Tilt Angle - Right Full
10.8°
Maximum Depth of Cut
1.97 ft
Maximum Lift Above Ground
3.14 ft
Moldboard - Length
14.4 ft
Width - Over End Bits
15.18 ft
Parking Brake
Drum and Shoe, Spring Applied, Hydraulic Released
Machine Sound Level (ISO 6395)
113 dB(A)
Operator Sound Level - ISO 6396
73 dB(A)
Machine Sound Level (ISO 6395)
110 dB(A)
Operator Sound Level - ISO 6396
72 dB(A)
Centerline of Rear Axle to Edge of Counterweight
9.3 ft
Ground Clearance
1.6 ft
Ground Clearance - Bumper
2.7 ft
Height - ROPS/Canopy
13.3 ft
Height - Top of Beacon
14.4 ft
Height - Top of Exhaust Pipe
14.1 ft
Height - Top of Hood
10.4 ft
Hitch to Centerline of Front Axle
6.1 ft
Length - With Blade on Ground
28.1 ft
Wheel Base
12.1 ft
Width - Over Wheels
11.98 ft
Bore
5.4 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
Gross Power
435 HP
High Idle Speed
2300 r/min
Low Idle Speed
800 r/min
Maximum Altitude - Without Derating (Tier 4 Final/Stage IV)
9298 ft
Maximum Net Torque - 1,300 rpm
1478.8 lb/ft
Net Power - Converter Drive - Gross Power
435 HP
Net Power - Direct Drive - Gross Power
412 HP
Rated Power (Net ISO 9249)
405 HP
Rated Power (Net SAE J1349)
405 HP
Stroke
6.7 in
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 psi
Maximum Supply Pressure
3495 psi
Bore
4.5 in
Maximum System Flow
170 L/min @ 1,800 rpm (44.9 gal/min @ 1,800 rpm)
Steering Pressure Limited
3481 psi
Steering System - Circuit
Double Acting – End Mounted
Steering System - Pump
Piston – Variable Displacement
Stroke
22.7 in
Cooling System
30.6 gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Final/Stage IV)
8.5 gal (US)
Differential - Final Drives - Front
26.4 gal (US)
Differential - Final Drives - Rear
29.1 gal (US)
Engine Crankcase
9 gal (US)
Fuel Tank
206.6 gal (US)
Hydraulic Tank Only
35.4 gal (US)
Transmission
17.4 gal (US)
Transmission Type
Planetary – Powershift – ECPC
Travel Speeds - Forward - First
3.4 mile/h
Travel Speeds - Forward - Second
6 mile/h
Travel Speeds - Reverse - First
3.9 mile/h
Travel Speeds - Reverse - Second
6.9 mile/h
Net Power - Direct Drive - Torque Rise
33%
Net Power - Converter Drive - Torque Rise
8.5%
Maximum Altitude - Without Derating (Tier 3 Final/Stage IIIA Equivalent)
9098 ft
Operating Weight - Tier 4 Final/Stage IV
78326 lb
Operating Weight - Tier 3 Final/Stage IIIA Equivalent
77340 lb
Travel Speeds - Forward - Third
10.7 mile/h
Travel Speeds - Reverse - Third
12.2 mile/h
Pump Flow at 1,800 rpm
30.9 gal/min
Vehicle Articulation Angle
86 degrees
Height - Including Cutting Edge
3.4 ft
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°
Total Tilt Adjustment
2.9 ft
Weight
16167 lb
Outside Diameter
5.5 ft
Drum Diameter
4.3 ft
Drum Width
3.7 ft
Tips per Wheel
65
Width - Over Drums
11.98 ft
Turning Radius - Inside of Push Arms
8.6 ft