834 Wheel Dozer - Thompson Tractor
Engine Model
Cat® C18 
Net Power - SAE J1349:2011
496hp
Rated Speed
1900r/min
Peak Power Speed
1500r/min
Gross Power - SAE J1995:2014
562hp
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Peak Torque - 1,300 rpm
2092lb/ft
Torque Rise
52%
Note (1)
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)
The following engine configurations are available: – Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. – Noncertified that emits equivalent to U.S. EPA Tier 3.
Operating Weight
105271lb
Blade Capacities
7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Transmission Type
Cat planetary power shift
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
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
Note
Travel speeds based on 35/65-R33 tire
Lift/Tilt System - Circuit
Pilot operated LS valve with EH
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,900 rpm
153gal/min
Relief Valve Setting - Lift/Tilt
4641psi
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
13.7gal/min
Pilot Relief Valve Setting
580psi
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow
65.8gal/min
Relief Valve Setting - Steering
3495psi
Total Steering Angle
86°
Steering Cycle Times - High Idle
3.1s
Steering Cycle Times - Low Idle
5.7s
Fuel Tank
209.5gal (US)
Cooling System
31.7gal (US)
Crankcase
15.9gal (US)
Diesel Exhaust Fluid Tank
8.7gal (US)
Transmission
31.7gal (US)
Hydraulic System Factory Fill
63.4gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Hydraulic System - Tank Only
37gal (US)
Note (1)
All non-road Tier 4 Final/Stage V diesel engines are required to use: – ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: • 20% biodiesel FAME (fatty acid methyl este
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co
Front
Fixed
Rear
Trunnion
Oscillation Angle
±13°
Brakes
ISO 3450: 2011
Operator Sound Pressure Level (ISO 6396:2008)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
113dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
109dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (5)
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.
Operator Sound Pressure Level (ISO 6396:2008)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
113dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (5)
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.
Height - Top of Exhaust Stack
15.9ft
Height - Top of Air Cleaner
12.8ft
Height - Top of Hood
10.9ft
Ground Clearance - Bumper
3.1ft
Centerline of Rear Axle to Edge of Bumper
10.5ft
Wheel Base
14.9ft
Length - Front of Tire
28.4ft
Length - Straight Blade on Ground
32.6ft
Length - Universal Blade on Ground
34.4ft
Centerline of Front Axle to Hitch
7.5ft
Ground Clearance
1.7ft
Height - Top of Cab
13.7ft
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Powertrain
    • -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
    • Cab precleaner
    • Radio, AM/FM/CD/MP3 Bluetooth with Satellite SiriusXM
    • Seat, Premium Plus containing forced air heating and cooling, 2-way thigh adjustment, power lumbar and back bolster adjustment, ride stiffness, dynamic end dampening and leather finish
    • LED warning strobe
    • Window pull down visor
    • Cat Detect (object detection system)
  • Additional Equipment
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical
    • Alarm, back-up
    • Alternator, single (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
    • Auxiliary jump start receptacle
  • Operator Environment
    • Air conditioner
    • Starter lockout in bumper
    • 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
    • CB radio ready
    • Tilt, tip controls
    • Heater and defroster
    • Horn, electric
    • Light, cab (dome)
    • Lights, directional
    • Lunchbox and beverage holders
    • Vital Information Management System (VIMS) with graphical information display: external data port, customizable operator profiles, cycle timer, integrated payload control system
    • 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
  • Powertrain
    • 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)
    • Electro hydraulic 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 (ICTC) with lock-up clutch (LUC) and rimpull control system (switch and dial in cab)
    • Transmission, planetary, power shift (4F/3R) electronic control
  • Additional Equipment
    • Doors, service access (locking)
    • Hitch, drawbar with pin
    • Oil sampling valves
    • Rear access to cab and service platform
    • Steering, load sensing
    • Vandalism protection caplocks

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