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
Gross Power - SAE J1995:2014 562 hp
Bore 5.7in
Displacement 1105in³
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.
Engine Model Cat® C18
Gross Power - SAE J1995:2014 562hp
Net Power - SAE J1349:2011 496hp
Peak Power Speed 1500r/min
Peak Torque - 1,300 rpm 2092lb/ft
Rated Speed 1900r/min
Stroke 7.2in
Torque Rise 52%
Blade Capacities 7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Chip Scoop Operating Weight 112838lb
Coal Scoop Operating Weight 112428lb
Operating Weight 105271lb
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 7.7mile/h
Direct Drive - Forward 3 13.7mile/h
Direct Drive - Forward 4 23.9mile/h
Direct Drive - Reverse 1 4.5mile/h
Direct Drive - Reverse 2 8.1mile/h
Direct Drive - Reverse 3 14.3mile/h
Forward - 1 4.2mile/h
Forward - 2 7.2mile/h
Forward - 3 12.6mile/h
Forward - 4 22mile/h
Reverse - 1 4.2mile/h
Reverse - 2 7.6mile/h
Reverse - 3 13.3mile/h
Transmission Type Cat planetary power shift
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in)
Cylinders, Double Acting - Lift, Bore and Stroke 139.75 mm × 1021 mm (5.5 in × 40.2 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Maximum Flow at 1,900 rpm 153gal/min
Pilot Maximum Flow 13.7gal/min
Pilot Relief Valve Setting 580psi
Pilot System Variable displacement piston
Relief Valve Setting - Lift/Tilt 4641psi
Maximum Flow 65.8gal/min
Relief Valve Setting - Steering 3495psi
Steering Cycle Times - High Idle 3.1s
Steering Cycle Times - Low Idle 5.7s
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 86°
Cooling System 31.7gal (US)
Crankcase 15.9gal (US)
Diesel Exhaust Fluid Tank 8.7gal (US)
Differential - Final Drives - Front 49.1gal (US)
Differential - Final Drives - Rear 49.1gal (US)
Fuel Tank 209.5gal (US)
Hydraulic System - Tank Only 37gal (US)
Hydraulic System Factory Fill 63.4gal (US)
Transmission 31.7gal (US)
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.
Front Fixed
Oscillation Angle ±13°
Rear Trunnion
Brakes ISO 3450: 2011
Machine Sound Level (ISO 6395) 113dB(A)
Operator Sound Level (ISO 6396) 72dB(A)
Machine Sound Level (ISO 6395) 109dB(A)
Operator Sound Level (ISO 6396) 72dB(A)
Centerline of Front Axle to Hitch 7.5ft
Centerline of Rear Axle to Edge of Bumper 10.5ft
Ground Clearance 1.7ft
Ground Clearance - Bumper 3.1ft
Height - Top of Air Cleaner 12.8ft
Height - Top of Cab 13.7ft
Height - Top of Exhaust Stack 15.9ft
Height - Top of Hood 10.9ft
Length - Front of Tire 28.4ft
Length - Straight Blade on Ground 32.6ft
Length - Universal Blade on Ground 34.4ft
Wheel Base 14.9ft
Chip Scoop Carry Capacity 35yd³
Chip Scoop Doze Capacity 70yd³
Coal Scoop Carry Capacity 30yd³
Coal Scoop Doze Capacity 60yd³
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
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
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
Doors, service access (locking)
Hitch, drawbar with pin
Oil sampling valves
Stairway, left side (rear access)
Steering, load sensing
Vandalism protection caplocks
Standard and optional equipment may vary. Consult your Cat dealer for details.
-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
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)
Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
