Cat Dozers 834 | Mining

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Specifications

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.

Axles

Front

Fixed
Rear

Trunnion
Oscillation Angle

±13°

Brakes

Brakes

ISO 3450: 2011

Dimensions

Height - Top of Exhaust Stack

15.9 ft 4835 mm
Height - Top of Air Cleaner

12.8 ft 3895 mm
Height - Top of Hood

10.9 ft 3334 mm
Ground Clearance - Bumper

3.1 ft 933 mm
Centerline of Rear Axle to Edge of Bumper

10.5 ft 3187 mm
Wheel Base

14.9 ft 4550 mm
Length - Front of Tire

28.4 ft 8715 mm
Length - Straight Blade on Ground

32.6 ft 9927 mm
Centerline of Front Axle to Hitch

7.5 ft 2275 mm
Length - Universal Blade on Ground

34.4 ft 10470 mm
Ground Clearance

1.7 ft 531 mm
Height - Top of Cab

13.7 ft 4184 mm

Engine

Engine Model

Cat® C18
Rated Speed

1900 r/min 1900 r/min
Peak Power Speed

1500 r/min 1500 r/min
Gross Power - SAE J1995:2014

562 hp 419 kW
Net Power - SAE J1349:2011

496 hp 370 kW
Bore

5.7 in 145 mm
Stroke

7.2 in 183 mm
Displacement

1105 in³ 18.1 l
Peak Torque - 1,300 rpm

2092 lb/ft 2836 N·m
Torque Rise

52 % 52 %
Emissions

U.S. EPA Tier 4 Final and EU Stage V emission standards or equivalent to U.S. EPA Tier 3 and U.S. EPA Tier 2.

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

Pilot operated LS valve with EH
Lift/Tilt System

Variable displacement piston
Maximum Flow at 1,900 rpm

153 gal/min 582 l/min
Relief Valve Setting - Lift/Tilt

4641 psi 32000 kPa
Cylinders, Double Acting - Lift, Bore and Stroke

139.75 mm × 1021 mm (5.5 in × 40.2 in)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke

140 mm × 230 mm (5.5 in × 9.1 in)
Pilot System

Variable displacement piston
Pilot Maximum Flow

13.7 gal/min 52 l/min
Pilot Relief Valve Setting

580 psi 4000 kPa

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing
Steering System - Pump

Piston, variable displacement
Maximum Flow

65.8 gal/min 250 l/min
Relief Valve Setting - Steering

3495 psi 24100 kPa
Total Steering Angle

86 ° 86 °
Steering Cycle Times - High Idle

3.1 s 3.1 s
Steering Cycle Times - Low Idle

5.7 s 5.7 s

Operating Specifications

Operating Weight

105271 lb 47750 kg
Blade Capacities

7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Coal Scoop Operating Weight

112428 lb 51103 kg
Chip Scoop Operating Weight

112838 lb 112838 kg

Scoops

Chip Scoop Carry Capacity

35 yd³ 26.8 m³
Chip Scoop Doze Capacity

70 yd³ 53.3 m³
Coal Scoop Carry Capacity

30 yd³ 22.9 m³
Coal Scoop Doze Capacity

60 yd³ 45.9 m³

Service Refill Capacities

Fuel Tank

209.5 gal (US) 793 l
Cooling System

31.7 gal (US) 120 l
Crankcase

15.9 gal (US) 60 l
Diesel Exhaust Fluid Tank

8.7 gal (US) 33 l
Transmission

31.7 gal (US) 120 l
Hydraulic System Factory Fill

63.4 gal (US) 240 l
Differential - Final Drives - Front

49.1 gal (US) 186 l
Differential - Final Drives - Rear

49.1 gal (US) 186 l
Hydraulic System - Tank Only

37 gal (US) 140 l

Sound Performance - Tier 4 Final/EU Stage V - Standard

Operator Sound Level (ISO 6396)

72 dB(A) 72 dB(A)
Machine Sound Level (ISO 6395)

113 dB(A) 113 dB(A)

Sound Performance - Tier 4 Final/EU Stage V - Suppression

Operator Sound Level (ISO 6396)

72 dB(A) 72 dB(A)
Machine Sound Level (ISO 6395)

109 dB(A) 109 dB(A)

Transmission

Transmission Type

Cat planetary power shift
Forward - 1

4.2 mile/h 6.8 km/h
Forward - 2

7.2 mile/h 11.6 km/h
Forward - 3

12.6 mile/h 20.3 km/h
Forward - 4

22 mile/h 35.4 km/h
Reverse - 1

4.2 mile/h 6.8 km/h
Reverse - 2

7.6 mile/h 12.2 km/h
Reverse - 3

13.3 mile/h 21.4 km/h
Direct Drive - Forward 1

Lock-up disabled
Direct Drive - Forward 2

7.7 mile/h 12.4 km/h
Direct Drive - Forward 3

13.7 mile/h 22.1 km/h
Direct Drive - Forward 4

23.9 mile/h 38.5 km/h
Direct Drive - Reverse 1

4.5 mile/h 7.2 km/h
Direct Drive - Reverse 2

8.1 mile/h 13 km/h
Direct Drive - Reverse 3

14.3 mile/h 23 km/h

Benefits

Unmatched Durability

The full box-section rear frame resists torsional shock and twisting forces.
Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
Optimized axle mounting results in increased structural integrity.
Achieve longer component life with increased size of upper hitch pin, frame plate, and bearing.
Solid through-width push beams transfer and absorb stresses through a larger portion of the frame.
Features fully enclosed hydraulic wet disc brakes for improved performance.
Robust structures withstand the toughest conditions and multiple lifecycles to improve your bottom line.
In corner dozing, stresses are transferred and absorbed through a larger portion of the frame.

Optimum Efficiency

The Cat C18 engine is designed for maximum fuel efficiency in the most demanding applications.
Experience reliable efficiency with complete control over injection timing, duration, and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
Best-in-class Cat planetary powershift transmission features consistent, smooth shifting and efficiency through integrated electronic controls.
Extended engine life and improved fuel efficiency with reduced rated speed.
Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) provide precise rimpull control.
Load sensing hydraulic steering system enables precise machine control for easier loading.
Lock-up torque converter with advanced control of lock-up speed.
On demand cooling fan protects investment and lengthens lifecycle.
Fully integrated electronic engine controls provide quick response.

Increased Safety

Optional Cat Detect with Object Detection System (rearview camera and radar) or standard Vision (rearview camera) increase operator awareness around the machine.
Cab-mounted LED strobes provide warning for others near the machine.
Optional HID or LED lights provide excellent workspace visibility.
Optional heated mirrors ensure enhanced visibility for safe operation.

Innovative Technology

Integrated technologies allow you to monitor, manage, and enhance your jobsite operations.
Product Link™ remote monitoring provides valuable insight into machine or fleet performance through the VisionLink® interface, so you can make decisions that boost jobsite efficiency and lower operating costs.
Vital Information Management System (VIMS™) 3G touchscreen monitor gives access to a wide range of sensor information and enhanced machine data to resolve problems before machine failure.
Optional Cat Detect technologies enhance awareness of the environment around the machine for increased safety.

Enhanced Operator Comfort

Steering and Transmission Integrated Control System (STIC™) combines directional selection, gear selection, and steering into a single lever, maximizing responsiveness and control, while reducing operator fatigue.
Operators can easily enter and exit the cab with fold-up STIC steer/ armrest, reduced access stairway angles, and standard stairway lighting.
Experience reduced vibrations with isolated cab mounts and seatmounted implement and steering controls.
Reduced interior sound levels keep operators comfortable throughout their entire shift.

Improved Sustainability

The engine is available in configurations that meet U.S. EPA Tier 4 Final and EU Stage V emission standards, or equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.
Automatic Engine Idle Shutdown conserves fuel when machine is not in use.
Generate less waste with maintenance-free batteries.
Maximize machine life and lower operating costs with Caterpillar Reman and Certified Rebuild programs, which utilize reused or remanufactured components for 40 to 70% cost savings.
Retrofit packages from Caterpillar deliver new features to older machines to get the most from your investment.

Simplified Maintenance

Machine features ground level or platform access to easily reach daily service points.
Swing-out doors on either side of the engine compartment provide easy access to critical daily service checks.
Ecology drains prevent spills and allow for easier service.
Intuitive design includes ground level access to transmission control valves for safe and convenient service.

Available in two scoop arrangements – wood chip and coal.
Cat wood chip and coal scoops have the unique capability of maximizing your production by both dozing and carrying a load with each pass.
A purpose built hydraulic system, optimized for use with this work tool, maximizes machine productivity and efficiency.
Dual lift cylinders provide hydraulic lift capacity matched to the demands of the application.
Can be equipped with optional ground level accessible swing-out reversing fan for quick inspection and easy cleanout.
Equipped with underhood ventilation system which creates a neutral pressure environment to prevent wood chip ingestion from hood openings while providing fresh air to the alternator, electronics, and turbo.
Extended top guard for increased capacity for wood chip scoops.
Higher ground pressure decreases risk of fires and maximizes use of storage space.
Less damage to coal or wood chips due to rubber tires.
High ground speed provides ability to manage multiple piles.
Scoop design allows load and carry function for mixing.
Lift and tip-out design makes stockpiling operations easy.
Scoop tilt control is standard to maximize worksite efficiency.