Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to support your job site efficiently and safely while lowering owning and operating costs. Introduced in the mid-1960’s, the 834 has been the industry leader for over 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 834 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Engine Model
Cat® C18
Rated Speed
1900 r/min
Peak Power Speed
1500 r/min
Product specifications for 834 Wheel Dozers
Engine
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Engine Model
Cat® C18
Rated Speed
1900 r/min
Peak Power Speed
1500 r/min
Gross Power – SAE J1995
419 kW
Net Power – SAE J1349
370 kW
Bore
145 mm
Stroke
183 mm
Displacement
18.1 l
Peak Torque – 1,300 rpm
2836 N·m
Torque Rise
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.
Operating Specifications
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Operating Weight
47750 kg
Blade Capacities
7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Coal Scoop Operating Weight
51103 kg
Chip Scoop Operating Weight
112838 kg
Transmission
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Transmission Type
Cat planetary power shift
Forward – 1
6.8 km/h
Forward – 2
11.6 km/h
Forward – 3
20.3 km/h
Forward – 4
35.4 km/h
Reverse – 1
6.8 km/h
Reverse – 2
12.2 km/h
Reverse – 3
21.4 km/h
Direct Drive – Forward 1
Lock-up disabled
Direct Drive – Forward 2
12.4 km/h
Direct Drive – Forward 3
22.1 km/h
Direct Drive – Forward 4
38.5 km/h
Direct Drive – Reverse 1
7.2 km/h
Direct Drive – Reverse 2
13 km/h
Direct Drive – Reverse 3
23 km/h
Hydraulic System – Lift/Tilt
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Lift/Tilt System – Circuit
Pilot operated LS valve with EH
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,900 rpm
582 l/min
Relief Valve Setting – Lift/Tilt
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
52 l/min
Pilot Relief Valve Setting
4000 kPa
Hydraulic System – Steering
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Steering System – Circuit
Pilot, load sensing
Steering System – Pump
Piston, variable displacement
Maximum Flow
250 l/min
Relief Valve Setting – Steering
24100 kPa
Total Steering Angle
86 °
Steering Cycle Times – High Idle
3.1 s
Steering Cycle Times – Low Idle
5.7 s
Service Refill Capacities
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Fuel Tank
793 l
Cooling System
120 l
Crankcase
60 l
Diesel Exhaust Fluid Tank
33 l
Transmission
120 l
Hydraulic System Factory Fill
240 l
Differential – Final Drives – Front
186 l
Differential – Final Drives – Rear
186 l
Hydraulic System – Tank Only
140 l
Air Conditioning System
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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
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Front
Fixed
Rear
Trunnion
Oscillation Angle
±13°
Brakes
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Brakes
ISO 3450: 2011
Sound Performance – Tier 4 Final/EU Stage V – Standard
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Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
113 dB(A)
Sound Performance – Tier 4 Final/EU Stage V – Suppression
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Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
109 dB(A)
Dimensions
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Height – Top of Exhaust Stack
4835 mm
Height – Top of Air Cleaner
3895 mm
Height – Top of Hood
3334 mm
Ground Clearance – Bumper
933 mm
Centerline of Rear Axle to Edge of Bumper
3187 mm
Wheel Base
4550 mm
Length – Front of Tire
8715 mm
Length – Straight Blade on Ground
9927 mm
Centerline of Front Axle to Hitch
2275 mm
Length – Universal Blade on Ground
10470 mm
Ground Clearance
531 mm
Height – Top of Cab
4184 mm
Scoops
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Chip Scoop Carry Capacity
26.8 m³
Chip Scoop Doze Capacity
53.3 m³
Coal Scoop Carry Capacity
22.9 m³
Coal Scoop Doze Capacity
45.9 m³
BUILT TO PERFORM
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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.
MOVE MORE WITH LESS FUEL
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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.
SAFETY FIRST
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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.
TECHNOLOGY THAT GETS WORK DONE
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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.
WORK IN COMFORT
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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.
REDUCE ENVIRONMENTAL IMPACT
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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.
SAVE ON SERVICE AND MAINTENANCE
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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.
PURPOSE-BUILT SPECIALTY MODELS
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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.
834 Standard Equipment
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NOTE
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Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
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Alarm, back-up
Alternator (100 amp)
Batteries, dry
Hazardous voltage lamp
Converter, 10/15 amp, 24V to 12V
Lighting system, (LED work lights, access and service platform lighting)
Starting and charging system, 24V
Starter emergency start receptacle
OPERATOR ENVIRONMENT
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Air conditioner
Cab, sound suppressed and pressurized
Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
Cat Vision, rear-vision camera system
Graphical information display, displays real time operating information, performs calibrations and customizes operator settings
Tilt, tip controls
Heater and defroster
Horn, electric
Light, cab (dome)
Lights, directional
Lunchbox and beverage holders
Monitoring system (VIMS 3G)
Radio, AM/FM/CD/MP3 Bluetooth®
Instrumentation, gauges: – coolant temperature, engine hour meter, hydraulic oil temperature, powertrain oil temperature
Mirrors, rearview (externally mounted)
Rimpull control system (RCS)
Seat, deluxe
Seat belt, retractable, 76 mm (3 in) wide
Steering and transmission integrated control (STIC™) system
UV glass
Operator presence
Wet-arm wipers/washers (front and rear)
Intermittent front and rear wipers
POWER TRAIN
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Brakes, oil-cooled, multi-disc, service/secondary
Automatic retarding controls
Case drain screens
Engine, Cat C18 MEUI™, diesel, turbocharged/aftercooled
Antifreeze, premixed 50% concentration of extended life coolant with freeze protection to -34°C (-29°F)
Parking brake
Turbine precleaner, engine air intake
Radiator, Aluminum Modular Radiator (AMR)
Manual switch and automatic fuel priming
Starting aid (ether) automatic
Throttle lock, electronic
Torque converter, impeller clutch with lock-up control system and rimpull control system (switch and dial in cab)
Transmission, planetary, power shift (4F/3R) electronic control
OTHER STANDARD EQUIPMENT
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Doors, service access (locking)
Hitch, drawbar with pin
Oil sampling valves
Stairway, left side (rear access)
Steering, load sensing
Vandalism protection caplocks
834 Optional Equipment
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NOTE
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Standard and optional equipment may vary. Consult your Cat dealer for details.
POWER TRAIN
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-50° C (-58° F) antifreeze
Engine oil change system, high speed, Wiggins
Engine brake
High ambient cooling-software
Turbine precleaner, engine air intake dual stage
Axle oil cooler
Crankcase guards
OPERATOR ENVIRONMENT
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Cab precleaner
Radio, AM/FM/CD/MP3 Bluetooth with Satellite SiriusXM
Satellite Sirius radio with Bluetooth
LED warning strobe
CB radio ready
Window pull down visor
Cat Detect (object detection system)
MISCELLANEOUS ATTACHMENTS
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Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
