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Metric | Imperial

Wheel Dozers

814K

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Wheel Dozers

824K

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Wheel Dozers

824

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Engine

Engine Model

C7.1 Cat®

Cat® C15

Net Power

248 hp 185 kW

Transmission

Transmission Type

Cat Planetary Power Shift

Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)

Cat planetary - powershift - ECPC

Reverse - 1

4.1 mile/h 6.5 km/h

4.3 mile/h 7.0 km/h

Reverse - 4

21.5 mile/h 34.6 km/h

24.7 mile/h 39.7 km/h

Forward - 4

19 mile/h 30.5 km/h

21.6 mile/h 34.8 km/h

Forward - 2

6.3 mile/h 10.1 km/h

6.9 mile/h 11.1 km/h

Forward - 3

11 mile/h 17.6 km/h

12.2 mile/h 19.6 km/h

Reverse - 3

12.5 mile/h 20.1 km/h

13.9 mile/h 22.4 km/h

Forward - 1

3.6 mile/h 5.7 km/h

3.8 mile/h 6.1 km/h

Reverse - 2

7.2 mile/h 11.5 km/h

7.8 mile/h 12.6 km/h

Axles

Oscillation Angle

±11°

Rear

Planetary – Oscillating

Front

Planetary – Fixed

Service Refill Capacities

Fuel Tank

206.6 gal (US) 782 l

Hydraulic Tank Only

35.4 gal (US) 134 l

Transmission

17.4 gal (US) 66 l

Differential - Final Drives - Front

26.4 gal (US) 100 l

Engine Crankcase

9.0 gal (US) 34 l

Differential - Final Drives - Rear

29.1 gal (US) 110 l

AC Oil

4.26 oz 126 ml

Oil Renewal System (ORS)

N. z.

AC Refrigerant

19hg

Hydraulic System - Implement/Steering

34.1 gal (US) 129 l

56.5 gal (US) 214 l

Cooling Systems - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA

19.3 gal (US) 73 l

Cooling Systems - Tier 4 Final/Stage IV

21.4 gal (US) 81 l

Hydraulic System - Steering

N. z.

Diesel Exhaust Fluid Tank

4.2 gal (US) 16 l

Hydraulic System - Implement

N. z.

Dimensions (Approximate)

Ground Clearance

1.4 ft 441.4 mm

1.8 ft 534.4 mm

Ground Clearance - Bumper

2.8 ft 852 mm

Height - Top of Cab

13.5 ft 4100 mm

Length - With Blade on Ground - Straight Blade

27.6 ft 8422 mm

Centerline of Front Axle to Hitch

6.1 ft 1850 mm

Wheel Base

12.1 ft 3700 mm

Centerline of Rear Axle to Edge of Bumper

9.3 ft 2830 mm

Ground to Top of Exhaust Stack

11.1 ft 3392 mm

Length of Coal Blade on Ground

25.5 ft 7784 mm

Length to Front Tire

20.9 ft 6356 mm

Ground to Top of Hood

8.6 ft 2614 mm

Ground to Top of Beacon

13.1 ft 3994 mm

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Double Acting – End Mounted

Pilot operated, load sensing

Steering System - Pump

Variable displacement piston

Piston – Variable Displacement

Variable displacement piston

Maximum Flow at 2,200 rpm

38.8 gpm 147 L/min

Steering Cycle Times - High Idle

3 s 3 s

Steering Cycle Times - Low Idle

8.2 s 8.2 s

Relief Valve Setting - Steering

4003 psi 27600 kPa

3481 psi 24000 kPa

Total Steering Angle

72°

Weights

Operating Weight

48390 lb 21950 kg

74966 lb 34004 kg

Engine - Tier 4 Final/Stage IV

Emissions

EPA Tier 4 Final (USA) bzw. Stufe IV (EU)

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

Stroke

5.3 in 135 mm

6.7 in 171.4 mm

Rated Speed

2200 r/min 2200 r/min

1800 r/min 1800 r/min

Displacement

427.8 in³ 7.01 l

927.6 in³ 15.2 l

Peak Power Speed

1700 r/min 1700 r/min

Engine Model

C7.1 Cat®

Cat® C15

Peak Torque - 1,400 rpm

899 ft·lbf 1219 N·m

Torque Rise

52%

33%

Peak Power Speed - Gross - SAE J1995

286 hp 213 kW

Bore

4.1 in 105 mm

5.4 in 137.2 mm

Peak Power Speed - Net - SAE J1349

249 hp 186 kW

Sound Performance - Tier 4 Final/Stage IV - Standard

Machine Sound Level (ISO 6395)

111 dB(A) 111 dB(A)

Operator Sound Level (ISO 6396)

71 dB(A) 71 dB(A)

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (2)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Two engine emission configurations are available. One meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emissions standards. The other meets Brazil MAR-1 emission standards, emitting equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.

Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.

Hydraulic System - Lift/Tilt

Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke

101.6 mm × 234 mm (4.0 in × 9.2 in)

Relief Valve Setting - Lift/Tilt

3190 psi 22000 kPa

Pilot Relief Valve Setting

3046 psi 21000 kPa

Lift/Tilt System

Variable displacement piston

Pilot System

Open center, fixed displacement gear

Maximum Flow at 2,200 rpm

38.8 gpm 147 L/min

Cylinders, Double Acting - Lift, Bore and Stroke

120 mm × 915 mm (4.7 in × 36.0 in)

120 mm × 1070 mm (4.7 in × 42.1 in)

Lift/Tilt System - Circuit

Pilot operated LS valve with EH

Engine - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA

Peak Power Speed - Gross - SAE J1995

286 hp 213 kW

Displacement

427.8 in³ 7.01 l

927.6 in³ 15.2 l

Peak Power Speed

1700 r/min 1700 r/min

Stroke

5.3 in 135 mm

6.7 in 171.4 mm

Engine Model

C7.1 Cat®

Cat® C15

Peak Power Speed - Net - SAE J1349

249 hp 186 kW

Emissions

EPA Tier 4 Final (USA) bzw. Stufe IV (EU)

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

Rated Speed

2200 r/min 2200 r/min

1800 r/min 1800 r/min

Bore

4.1 in 105 mm

5.4 in 137.2 mm

Torque Rise

52%

33%

Peak Torque - 1,400 rpm

899 ft·lbf 1219 N·m

Sound Performance - Brazil MAR-1, equivalent to Tier 3/Stage IIIA - Standard

Machine Sound Level (ISO 6395)

111 dB(A) 111 dB(A)

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Operator Sound Level (ISO 6396)

71 dB(A) 71 dB(A)

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.

Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.

Note (2)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Sound Performance - Tier 4 Final/Stage IV: Suppression

Note (2)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.

Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.

Machine Sound Level (ISO 6395)

111 dB(A) 111 dB(A)

Operator Sound Level (ISO 6396)

71 dB(A) 71 dB(A)

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Operating Specifications - Tier 4 Final/Stage IV

Operating Weight

48390 lb 21950 kg

74966 lb 34004 kg

Sound Performance - Brazil MAR-1, equivalent to Tier 3/Stage IIIA - Suppression

Operator Sound Level (ISO 6396)

71 dB(A) 71 dB(A)

Note (2)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Machine Sound Level (ISO 6395)

111 dB(A) 111 dB(A)

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed.

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed.

Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator.

Operating Specifications - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA

Operating Weight

48390 lb 21950 kg

74966 lb 34004 kg

Brakes

Single Disc Wet (enclosed) 4 WHL

Multi-disc wet (enclosed) 4 WHL