Wheel Dozers

834K Scoops Wheel Dozer

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Specification Summary

Engine Model
Cat® C18 ACERT™
Operating Weight
112838 lb
Net Power
496 HP
Bore
5.7 in
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Engine

Engine Model
Cat® C18 ACERT™
Net Power
496 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Net - SAE J1349
496 HP
Peak Torque - 1,300 rpm
2092 ft·lbf
Emissions
U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
Gross - SAE J1349
562 HP
Peak Power Speed
1,500 rpm
Rated Speed
1,900 rpm
Torque Rise
52%

Transmission

Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.7 mile/h
Direct Drive - Forward 3
13.7 mile/h
Direct Drive - Forward 4
23.9 mile/h
Direct Drive - Reverse 1
4.5 mile/h
Direct Drive - Reverse 2
8.1 mile/h
Direct Drive - Reverse 3
14.3 mile/h
Forward - 1
4.2 mile/h
Forward - 2
7.2 mile/h
Forward - 3
12.6 mile/h
Forward - 4
22 mile/h
Reverse - 1
4.2 mile/h
Reverse - 2
7.6 mile/h
Reverse - 3
13.3 mile/h
Transmission Type
Cat planetary power shift
Note
Travel speeds based on 35/65-R33 tire.

Brakes

Brakes
ISO 3450:2011

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
±13°

Weights

Operating Weight
112838 lb

Service Refill Capacities

Cooling System
31.7 gal (US)
Crankcase
15.9 gal (US)
Transmission
31.7 gal (US)
Diesel Exhaust Fluid Tank*
8.7 gal (US)
Differential - Final Drives - Front
49.1 gal (US)
Differential - Final Drives - Rear
49.1 gal (US)
Fuel Tank
209.5 gal (US)
Hydraulic System - Tank Only
37 gal (US)
Hydraulic System Factory Fill
63.4 gal (US)
Note (1)
All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
– Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm (mg/kg) sulfur or le
Note (2)
*Only applicable to Tier 4 Final/Stage IV equipped machines.

Operating Specifications

Coal Scoop Operating Weight
112428 lb
Chip Scoop Operating Weight
112838 lb

Sound Performance - Tier 4 Final/Stage IV - Standard

Machine Sound Level (ISO 6395)
111 dB(A)
Operator Sound Level (ISO 6396)
73 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 70 percent 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.
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 70 percent of the maximum engine cooling fan speed.

Sound Performance - Tier 4 Final/Stage IV: Suppression

Machine Sound Level (ISO 6395)
109 dB(A)
Operator Sound Level (ISO 6396)
72 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 70 percent 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.
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 70 percent of the maximum engine cooling fan speed.

Dimensions (Approximate)

Height - Top of Exhaust Stack
14.8 ft
Length - With Coal Scoop on Ground
39.3 ft
Length - With Chip Scoop on Ground
39.3 ft
Height - Top of Air Cleaner
12.8 ft
Ground to Center of Front Axle
3.2 ft
Centerline of Front Axle to Hitch
7.5 ft
Length - Front of Tire
28.4 ft
Centerline of Rear Axle to Edge of Bumper
10.5 ft
Ground Clearance
1.7 ft
Height - Top of Cab
13.7 ft
Height - Top of Hood
10.9 ft
Wheel Base
14.9 ft
Height - Edge of Retracted Scoop
7.4 ft
Height - Edge of Dumped Scoop
5 ft
Dump Angle at Full Lift Height
64 deg

Scoops

Coal Scoop Carry Capacity
30 yd³
Coal Scoop Doze Capacity
60 yd³
Chip Scoop Carry Capacity
35 yd³
Chip Scoop Doze Capacity
70 yd³
Type
Large capacity scoops for both wood chip and coal applications. A mesh screen integrated into the back of the scoop maintains visibility to the cutting edge. The chip scoop version has extra screens at the top due to higher capacity.
Components
Both scoops come with dual lift cylinders for increased lift capacity. Integrated stabilizer system makes sure that the scoop stays stable and centralized on the machine. Scoop tilt function is standard and provides ±15 degrees of tilt to maintain grade

Hydraulic System - Lift/Dump/Tilt

Cylinders, Double Acting - Left and Right Dump, Bore and Stroke
127 mm × 838 mm (5.0 in × 33.0 in)
Cylinders, Double Acting - Lift, Bore and Stroke
170.0 mm × 1107 mm (6.7 in × 43.6 in)
Lift/Tilt System
Variable displacement piston
Lift/Tilt System - Circuit
Pilot operated LS valve with EH
Maximum Flow at 1,900 rpm
153 gal/min
Pilot Maximum Flow
13.7 gal/min
Pilot Relief Valve Setting
580 psi
Pilot System
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4206 psi
Cylinders, Double Acting - Tilt, Bore and Stroke
152.4 mm × 953 mm (6.0 in × 37.5 in)

Hydraulic System - Steering

Maximum Flow
65.8 gal/min
Relief Valve Setting - Steering
3495 psi
Steering Cycle Times - High Idle
3.1 s
Steering Cycle Times - Low Idle
5.7 s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86°

Sound Performance - Tier 2 Equivalent/Stage II: Suppression

Operator Sound Level (ISO 6396)
81 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 70 percent 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.
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 70 percent of the maximum engine cooling fan speed.
Machine Sound Level (ISO 6395)
109 dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Standard

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 70 percent 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.
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 70 percent of the maximum engine cooling fan speed.
Machine Sound Level (ISO 6395)
112 dB(A)
Operator Sound Level (ISO 6396)
81 dB(A)

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
Engine Model
Cat® C18 ACERT™
Net Power
496 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Net - SAE J1349
496 HP
Peak Torque - 1,300 rpm
2092 ft·lbf
Emissions
U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
Gross - SAE J1349
562 HP
Peak Power Speed
1,500 rpm
Rated Speed
1,900 rpm
Torque Rise
52%
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.7 mile/h
Direct Drive - Forward 3
13.7 mile/h
Direct Drive - Forward 4
23.9 mile/h
Direct Drive - Reverse 1
4.5 mile/h
Direct Drive - Reverse 2
8.1 mile/h
Direct Drive - Reverse 3
14.3 mile/h
Forward - 1
4.2 mile/h
Forward - 2
7.2 mile/h
Forward - 3
12.6 mile/h
Forward - 4
22 mile/h
Reverse - 1
4.2 mile/h
Reverse - 2
7.6 mile/h
Reverse - 3
13.3 mile/h
Transmission Type
Cat planetary power shift
Brakes
ISO 3450:2011
Front
Fixed
Rear
Trunnion
Oscillation Angle
±13°
Operating Weight
112838 lb
Cooling System
31.7 gal (US)
Crankcase
15.9 gal (US)
Transmission
31.7 gal (US)
Diesel Exhaust Fluid Tank*
8.7 gal (US)
Differential - Final Drives - Front
49.1 gal (US)
Differential - Final Drives - Rear
49.1 gal (US)
Fuel Tank
209.5 gal (US)
Hydraulic System - Tank Only
37 gal (US)
Hydraulic System Factory Fill
63.4 gal (US)
Coal Scoop Operating Weight
112428 lb
Chip Scoop Operating Weight
112838 lb
Machine Sound Level (ISO 6395)
111 dB(A)
Operator Sound Level (ISO 6396)
73 dB(A)
Machine Sound Level (ISO 6395)
109 dB(A)
Operator Sound Level (ISO 6396)
72 dB(A)
Height - Top of Exhaust Stack
14.8 ft
Length - With Coal Scoop on Ground
39.3 ft
Length - With Chip Scoop on Ground
39.3 ft
Height - Top of Air Cleaner
12.8 ft
Ground to Center of Front Axle
3.2 ft
Centerline of Front Axle to Hitch
7.5 ft
Length - Front of Tire
28.4 ft
Centerline of Rear Axle to Edge of Bumper
10.5 ft
Ground Clearance
1.7 ft
Height - Top of Cab
13.7 ft
Height - Top of Hood
10.9 ft
Wheel Base
14.9 ft
Coal Scoop Carry Capacity
30 yd³
Cylinders, Double Acting - Left and Right Dump, Bore and Stroke
127 mm × 838 mm (5.0 in × 33.0 in)
Cylinders, Double Acting - Lift, Bore and Stroke
170.0 mm × 1107 mm (6.7 in × 43.6 in)
Lift/Tilt System
Variable displacement piston
Lift/Tilt System - Circuit
Pilot operated LS valve with EH
Maximum Flow at 1,900 rpm
153 gal/min
Pilot Maximum Flow
13.7 gal/min
Pilot Relief Valve Setting
580 psi
Pilot System
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4206 psi
Maximum Flow
65.8 gal/min
Relief Valve Setting - Steering
3495 psi
Steering Cycle Times - High Idle
3.1 s
Steering Cycle Times - Low Idle
5.7 s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86°
Operator Sound Level (ISO 6396)
81 dB(A)
Note
Travel speeds based on 35/65-R33 tire.
Coal Scoop Doze Capacity
60 yd³
Chip Scoop Carry Capacity
35 yd³
Chip Scoop Doze Capacity
70 yd³
Cylinders, Double Acting - Tilt, Bore and Stroke
152.4 mm × 953 mm (6.0 in × 37.5 in)
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 70 percent 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.
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 70 percent 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 70 percent 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.
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 70 percent 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 70 percent 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.
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 70 percent 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 70 percent 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.
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 70 percent of the maximum engine cooling fan speed.
Height - Edge of Retracted Scoop
7.4 ft
Height - Edge of Dumped Scoop
5 ft
Dump Angle at Full Lift Height
64 deg
Type
Large capacity scoops for both wood chip and coal applications. A mesh screen integrated into the back of the scoop maintains visibility to the cutting edge. The chip scoop version has extra screens at the top due to higher capacity.
Components
Both scoops come with dual lift cylinders for increased lift capacity. Integrated stabilizer system makes sure that the scoop stays stable and centralized on the machine. Scoop tilt function is standard and provides ±15 degrees of tilt to maintain grade
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
Note (1)
All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
– Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm (mg/kg) sulfur or le
Note (2)
*Only applicable to Tier 4 Final/Stage IV equipped machines.
Machine Sound Level (ISO 6395)
112 dB(A)
Operator Sound Level (ISO 6396)
81 dB(A)
Machine Sound Level (ISO 6395)
109 dB(A)