New 844 Wheel Dozer For Sale in Georgia
Yancey Brands
Hotlines
844 Wheel Dozer
844 Wheel Dozer
844 Wheel Dozer
844 Wheel Dozer

Maximize productivity in mining applications with the Cat® 844 Wheel Dozer, designed with efficiency in mind. Enhanced maintenance capabilities and simplified serviceability make for a long lifecycle, low owning and operating costs, and more uptime. Move more material with a machine built for the toughest conditions.

Get Pricing
Call 877-OWNACAT
Engine
Engine Model Cat® C27
Net Power - SAE J1349:2011 - Standard Ambient 732 hp
Rated Speed 1800 r/min
Emissions Option 1 - U.S. EPA Tier 4 Final / EU Stage V
Engine Power - ISO 14396:2002 786 hp
Gross Power - SAE J1995:2014 801 hp
Net Power - SAE J1349:2011 - High Ambient 681 hp
Emissions Option 2 - China Nonroad Stage III emissions standards, equivalent to U.S. EPA Tier 2
Engine Power - ISO 14396: 2002 752 hp
Gross Power - SAE J1995:2014 766 hp
Net Power - SAE J1349:2011 - Standard Ambient 699 hp
Net Power - SAE J1349:2011 - High Ambient 648 hp
Bore 5.4 in
Stroke 6 in
Displacement 1649.5 in³
Peak Torque - Speed 2624 lb/ft
Torque Rise 18 %
Note Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Operating Weight 165089 lb
Blade Capacity Range 20.8 yd³
Transmission Type Cat Planetary Power Shift
Converter Drive - Forward 1 4.5 mile/h
Converter Drive - Forward 2 8.3 mile/h
Converter Drive - Forward 3 14.2 mile/h
Converter Drive - Reverse 1 4.9 mile/h
Converter Drive - Reverse 2 9.1 mile/h
Converter Drive - Reverse 3 15.5 mile/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.5 mile/h
Direct Drive - Forward 3 15.2 mile/h
Direct Drive - Reverse 1 5.4 mile/h
Direct Drive - Reverse 2 9.6 mile/h
Direct Drive - Reverse 3 16.4 mile/h
Note Travel speeds based on 45/65-45 L-5 46 ply tires.
Output at 2,000 rpm and 6900 kPa (1,000 psi) 82 gal/min
Cylinders, Double Acting - Lift, Bore and Stroke 133 mm × 1535 mm (5.25 in × 60.4 in)
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 210 mm × 188 mm (8.25 in × 7.4 in)
Relief Valve Setting - Bulldozer (Large Pump) 2700 psi
Relief Valve Setting - Tilt Cylinders (Small Pump) 2920 psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Minimum Turning Radius - Over Blade 34 ft
Total Steering Angle 35 °
Maximum Flow 94.3 gal/min
Relief Valve Setting 4500 psi
Fuel Tank - Standard 286.6 gal (US)
Cooling System 54.9 gal (US)
Crankcase 20 gal (US)
Transmission 29.1 gal (US)
Differential - Final Drives - Front 71.6 gal (US)
Differential - Final Drives - Rear 68.9 gal (US)
Hydraulic System - Implement and Hydraulic Fan 68.9 gal (US)
Hydraulic System - Steering and Braking 34.9 gal (US)
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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
Front Fixed
Rear Trunnion
Oscillation Angle 8.5 °
Brakes Meets ISO 3540:2011
Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008) 116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114 dB(A)
Note (1) *Sound suppression equipped
Note (2) 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 (3) 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 (4) 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) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008) 116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114 dB(A)
Note (1) *Sound suppression equipped
Note (2) 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 (3) 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 (4) 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.
ROPS/FOPS ISO 3471:2008 and ISO 3449:2005 Level II Standards
Height - Top of ROPS 17.2 ft
Height - Top of Exhaust Pipe 16.6 ft
Height - Top of Hood 12.7 ft
Ground Clearance 2 ft
Centerline of Front Axle to Hitch 7.5 ft
Centerline of Rear Axle to Edge of Bumper 12.5 ft
Wheel Base 15.1 ft
Length - With Blade on Ground 36.5 ft
Long Term Value and Durability

        
  • The full box-section rear frame resists torsional shock and twisting forces.
    •     
  • Solid through-width push beams transfer and absorb stresses through a larger portion of the frame.
    •     
  • Robust structures withstand the toughest conditions and multiple lifecycles to help improve your bottom line.
    •     
  • Resilient, durable blades are designed with excellent dozing and rolling characteristics.
    •     
  • Optimized axle mounting helps result in increased structural integrity.
    •     
  • Castings in the engine and frame are used in high stress areas to spread high loads.
    •     
  • One-piece castings help enhance strength in key pin areas.

        
  • Experience reliable efficiency with complete control over injection timing, duration, and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
    •     
  • World-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) help 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 helps protect investment and helps lengthen lifecycle.

        
  • Battery disconnect, emergency engine shutdown, and stairway light switch are accessed through the ground level power service center.
    •     
  • Optional Cat Detect with Object Detection System (rearview camera and radar) or Vision (rearview camera) help increase operator awareness around the machine.
    •     
  • Cab-mounted LED strobes provide warning for others near the machine.
    •     
  • Wider stairs with reduced stair angles help increase safety for operators.
    •     
  • Access stairs via a powered platform from cab or ground level and have emergency exit access.

        
  • Integrated technologies assist with monitoring, managing, and enhancing your jobsite operations.
    •     
  • Product Link™ remote monitoring helps provide 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™) 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 help enhance awareness of the environment around the machine for increased safety.

        
  • Steering and Transmission Integrated Control System (STIC™) combines directional selection, gear selection, and steering into a single lever, helping to maximize 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 seat-mounted implement and steering controls.
    •     
  • Reduced interior sound levels help keep operators comfortable throughout their entire shift.

        
  • Meets U.S. EPA Tier 4 Final emissions standards or equivalent to U.S. EPA Tier 2.
    •     
  • Automatic Engine Idle Shutdown helps conserve 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 percent cost savings.
    •     
  • Retrofit packages from Caterpillar deliver new features to older machines to get the most from your investment.

        
  • Swing-out fuel, hydraulic oil coolers, and condenser allow for easy access cleanout.
    •     
  • Machine features ground level or platform access to easily reach daily service points.
    •     
  • Swing-out doors on either side of the engine compartment help provide easy access to critical daily service checks.
    •     
  • Optional tire pressure monitoring system provides real-time information to the operator in the cab for optimized tire life.
    •     
  • Electronics bay is conveniently located inside the cab.
    •     
  • Sight gauges offer quick visual inspection to help minimize fluid contamination.
    •     
  • Lighting inside the engine compartment helps improve visibility to service points.
    •     
  • Ecology drains help prevent spills and allow for easier service.
    •     
  • 500-hour engine oil and filter change interval with S•O•S oil sampling analysis.
    •     
  • Service center includes drain and fill, electronic technician connection, and fluid level status.
    •     
  • Axle oil cooler and Automatic Retarder Control helps prevent unnecessary wear from accelerating down declines.

        
  • Dependable blades are designed for mining with press rib construction and optimized widths and capacities for excellent dozing and rolling.
    •     
  • Heavy-Duty Semi-U blade includes a Hardox 400 Liner plate, side plates, and additional reinforcements at the bottom of the blade.
    •     
  • Equipped with the Cat MineStar System, a suite of integrated mine operations and mobile equipment technologies.
    •     
  • Cat MineStar’s capabilities help manage all aspects of operation.
    •     
  • Fleet provides remote machine tracking capabilities.
    •     
  • Terrain for Loading helps enable high precision management of load management.
    •     
  • Detect assists the operator with areas of limited visibility.
    •     
  • Health delivers machine condition and operating data and diagnostic tools for a long machine lifecycle.

Similar Models

D1 Dozer

D1 Dozer
D2 Dozer

D2 Dozer
D3 Track-Type Tractor

D3 Track-Type Tractor