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Interior View
Engine Model

Cat® C27

Operating Weight

165089 lb

Net Power – SAE J1349:2011 – Standard Ambient

732 hp

844 Wheel Dozer

ABOUT THE 844 WHEEL

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.

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Engine Model
Cat® C27
Net Power – SAE J1349:2011 – Standard Ambient
732hp
Rated Speed
1800r/min
Emissions
Option 1 – U.S. EPA Tier 4 Final / EU Stage V
Engine Power – ISO 14396:2002
786hp
Gross Power – SAE J1995:2014
801hp
Net Power – SAE J1349:2011 – High Ambient
681hp
Emissions
Option 2 – China Nonroad Stage III emissions standards, equivalent to U.S. EPA Tier 2
Engine Power – ISO 14396: 2002
752hp
Gross Power – SAE J1995:2014
766hp
Net Power – SAE J1349:2011 – Standard Ambient
699hp
Net Power – SAE J1349:2011 – High Ambient
648hp
Bore
5.4in
Stroke
6in
Displacement
1649.5in³
Peak Torque – Speed
2624lb/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
165089lb
Blade Capacity Range
20.8yd³
Transmission Type
Cat Planetary Power Shift
Converter Drive – Forward 1
4.5mile/h
Converter Drive – Forward 2
8.3mile/h
Converter Drive – Forward 3
14.2mile/h
Converter Drive – Reverse 1
4.9mile/h
Converter Drive – Reverse 2
9.1mile/h
Converter Drive – Reverse 3
15.5mile/h
Direct Drive – Forward 1
Lock-up disabled
Direct Drive – Forward 2
8.5mile/h
Direct Drive – Forward 3
15.2mile/h
Direct Drive – Reverse 1
5.4mile/h
Direct Drive – Reverse 2
9.6mile/h
Direct Drive – Reverse 3
16.4mile/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)
82gpm
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)
2700psi
Relief Valve Setting – Tilt Cylinders (Small Pump)
2920psi
Steering System – Circuit
Pilot, load sensing
Steering System – Pump
Piston, variable displacement
Minimum Turning Radius – Over Blade
34ft
Total Steering Angle
35°
Maximum Flow
94.3gpm
Relief Valve Setting
4500psi
Fuel Tank – Standard
286.6gal (US)
Cooling System
54.9gal (US)
Crankcase
20gal (US)
Transmission
29.1gal (US)
Differential – Final Drives – Front
71.6gal (US)
Differential – Final Drives – Rear
68.9gal (US)
Hydraulic System – Implement and Hydraulic Fan
68.9gal (US)
Hydraulic System – Steering and Braking
34.9gal (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 co
Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°
Brakes
Meets ISO 3540:2011
Operator Sound Pressure Level (ISO 6396:2008)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
116dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)*
114dB(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)
72dB(A)
Machine Sound Power Level (ISO 6395:2008)
116dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)*
114dB(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
17.2ft
Height – Top of Exhaust Pipe
16.6ft
Height – Top of Hood
12.7ft
Ground Clearance
2ft
Centerline of Front Axle to Hitch
7.5ft
Centerline of Rear Axle to Edge of Bumper
12.5ft
Wheel Base
15.1ft
Length – With Blade on Ground
36.5ft
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical And Lighting
    • Alternator, 150 amp
    • Batteries, maintenance free (4 – 1,400 CCA)
    • Battery disconnect and jump start receptacle, bumper
    • Deutsch terminal connectors
    • Electrical system, 24V
    • Electronic transmission control
    • Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
    • Starter lockout in bumper
    • Starting and charging system, 24V
    • Transmission lockout in bumper
  • Powertrain
    • Brakes, oil cooled, multi-disc, service/secondary
    • Driveline parking brake
    • Engine Cat C27
    • Fuel priming pump (electric)
    • Ground level engine shutdown switch
    • Precleaner, engine air intake (above hood)
    • Radiator, Aluminum Modular (AMR)
    • Starting aid, (ether) automatic
    • Throttle Lock electronic
    • Torque Converter, Impeller clutch with lock-up clutch (ICTC) and rimpull control system
    • Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
  • Operator Environment
    • Advisor display, displays real time operating information, performs calibrations and customizes operator setting
    • Air conditioner and heater with automatic temperature control
    • Air precleaner, powered
    • Cab, sound-suppressed pressurized, separate external rolloever protective structure/falling objects protective structure (ROPS/FOPS)
    • Cigar lighter and ashtray
    • Coat hook
    • Converter (12V, 10/15 amp) and power port
    • Electro-hydraulic blade controls (joystick)
    • Heater and defroster
    • Horn, electric
    • Instrumentation, gauges: – engine coolant temperature, fuel level, hydraulic oil temperature, powertrain oil temperature, tachometer
    • Instrumentation, warning indicators: – Action alert system, three category – Automatic transmission model enable status – Brake malfunction – Bucket float status – Delayed engine shutdown status – Engine idle shutdown status – Engine malfunction – Fuel economy mode enable status – Hydraulic lockout – Lockup clutch enable status – Low fuel level – Parking brake status – Rimpull control enable status – Seatbelt warning – Secondary steering (if equipped) – Throttle lock status – Transmission gear
    • Light, dome (cab)
    • Lunchbox and beverage holders
    • Seat, premium with heated and actively cooled leather, adjustable lumbar support, air adjustable bolsters on the seat and backrest, seat cushion tilt adjustment, and adjustable-length seat cushion
    • Radio, AM/FM with Bluetooth®, USB Port, 3.5 mm AUX input
    • Tinted glass
    • Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
  • Safety
    • Alarm, back-up
    • Camera, rear vision
    • Emergency platform exit
    • Implement lockout switch
    • Mirrors, rearview (externally mounted)
    • Seat belt, retractable, 76 mm (3 in) wide
    • Stairway, left and right rear access
    • Steering and transmission lock lever, cab
    • Steering, secondary
    • Seat, trainer with lap belt, 76 mm (3in) wide
    • Toe kicks
  • Service
    • Axle ecology drains
    • Case drain filters
    • Coupling, Caterpillar O-ring face seals
    • Engine, crankcase, 500 hour interval with CH4
    • Front walkway around cab
    • Guards, crankcase and powertrain
    • Grouped/labeled lube points
    • Battery disconnect and jump start receptacle, bumper
    • Hitch, drawbar with pin
    • Hoses, Cat XT™
    • Oil sampling valves
    • Sight guages for steering, implement and transmission oil
    • Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles
  • Cooling
    • Standard ambient package (recommended for site conditions that do not exceed 43°C (110°F)
  • Cold Weather
    • Heated seat
  • Efficiency
    • Economy mode with on demand throttle
    • Positive flow control hydraulic system
    • Impeller Clutch Torque Converter (ICTC) with lock-up clutch
    • Steering, load sensing
    • Soft detent controls
    • Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
  • Tramming
    • Front fenders
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical And Lighting
    • Lights, LED
    • Product Link (Cellular)
    • Product Link (Satellite)
  • Powertrain
    • Engine brake
    • No-spin rear axle
    • No-spin rear axle and oil cooler
    • Precleaner, raised
  • Operator Environment
    • Radio, Sirius XM/AM/FM radio with Bluetooth technology, USB port, 3.5 mm AUX input
    • Rubber mounted cab glass
    • Window sun screen
  • Safety
    • LED warning strobe
  • Service
    • Product Link™
  • Blades
    • HD Semi-U – 16.1 m3 (21.1 yd3)
    • Paint, black blade rear
  • Cooling
    • High ambient cooling – software (recommended for site conditions that do not exceed 49°C [121°F]
  • Cold Weather
    • 50° C (-58° F) antifreeze
    • 120V or 240V coolant heating elements (recommended in conditions from -18°C to -30°C [0°F to -22°F]
    • -40°C (-40°F) Hydraulic Oil, Arctic
  • Tramming
    • Fender extensions, roading, front and rear

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Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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