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Interior View
Engine Model

C27 Cat®

Rated Speed

1800 r/min

Gross Power – ISO 14396

752 hp

844 Wheel Dozer

ABOUT THE 844

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 move more material efficiently and safely at a lower cost per ton. Engineered for your demanding work in large dozing applications, the 844 Wheel Dozer is the largest in the Cat Wheel Dozer line and is an ideal match for large mining operations, power generating utilities, the general contracting industry and wherever mobility, versatility and compaction is needed.

            
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Engine Model
C27 Cat®
Rated Speed
1800r/min
Gross Power – ISO 14396
752hp
Gross Power – SAE J1995:2014
766hp
Net Power – SAE J1349 – Standard Ambient
699hp
Net Power – SAE J1349 – High Ambient
648hp
Bore
5.4in
Stroke
6in
Displacement
1649.5in³
Peak Torque – Speed
2624lb/ft
Torque Rise
18%
Emissions
U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2
Operating Weight
165089lb
Blade Capacities
15.9 – 30.7 m3 (20.7 – 40.2 yd3)
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
Output at 2,000 rpm and 6900 kPa (1,000 psi)
82gal/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)
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
94.3gal/min
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 (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5°
Brakes
Meets ISO 3540:2011
Operator Sound Level (ISO 6396:2008)
69dB(A)
Machine Sound Level (ISO 6395:2008)
115dB(A)
Operator Sound Level (ISO 6396:2008)
69dB(A)
Machine Sound Level (ISO 6395:2008)
113dB(A)
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.
  • Operator Environment
    • Air conditioner and heater with automatic temperature control
    • Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS), radio ready for (entertainment) includes antenna, speakers and converter (12V, 10-15 amp)
    • 12V power port for mobile phone or laptop connection
    • Cigar lighter and ashtray
    • Coat hook
    • Electro-hydraulic blade controls (joystick)
    • Flip-up armrest
    • Heater and defroster
    • Horn, electric
    • Instrumentation, gauges: – Engine coolant temperature – Fuel level – Ground speed – Gear – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
    • 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
    • Keypad, control with indicator lights: – Auto trans mode speed range – Auto/manual transmission mode – Lockup clutch – Reduced rimpull – Throttle lock
    • Light, dome (cab)
    • Lunchbox and beverage holders
    • Mirrors, rearview (externally mounted)
    • 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
    • STIC control system with steering lock
    • Tinted glass
    • Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
    • Converter (12V, 10/15 amp) and power port
  • Power Train
    • Brakes, oil cooled, multi-disc, service/secondary
    • Axle-shaft oil-disc service brake
    • Electro hydraulic parking brake
    • Cat clean emission module (Tier 4 only)
    • Demand fan
    • Engine Cat C27
    • Fuel priming pump (electric)
    • Ground level engine shutoff
    • Mufflers (under hood) (Tier 2 only)
    • Precleaner, engine air intake
    • Radiator, Aluminum Modular (AMR)
    • Separated cooling system
    • Starting aid, (ether) automatic
    • Throttle Lock electronic
    • Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
    • Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
  • Electrical
    • Alternator, 150 amp
    • Batteries, maintenance free (4 – 1,400 CCA)
    • Deutsch terminal connectors
    • Electrical system, 24V
    • Electronic transmission control
    • Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
    • Starting and charging system, 24V
    • Starter lockout in bumper
    • Starting receptacle for emergency start
    • Transmission lockout in bumper
  • Service
    • Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles
    • Case drain filters
    • Coupling, Caterpillar O-ring face seals
    • Guards, crankcase and power train
    • Hitch, drawbar with pin
    • Hoses, Cat XT
    • Oil sampling valves
    • Product Link™
  • Safety
    • Camera, rear vision
    • Implement lockout switch
    • Seat belt, retractable, 76 mm (3 in) wide
    • Trainer seat with lap belt
    • Alarm, back-up
    • Emergency platform egress
    • Stairway, left and right rear access
    • Steering, secondary
    • Toe kicks
  • Tramming
    • Fenders, steel (front)
  • Other
    • Axle temperature sensor
    • Battery disconnect and jump start receptacle, bumper
    • Economy mode with on demand throttle
    • Engine, crankcase, 500 hour interval with CH4
    • Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
    • Grouped/labeled lube points
    • Positive flow control hydraulic system
    • Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
    • Steering, load sensing
    • Vandalism protection caplocks
    • Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • 50° C (-58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling – software
  • Blades
    • Semi-U – 17.8 m3 (23.3 yd3)
    • HD Semi-U – 16.1 m3 (21.1 yd3)
    • Coal – 30.7 m3 (40.2 yd3)
  • Operator Environment
    • Cab precleaner
    • AM/FM/MP3 radio
    • Satellite Sirius radio with Bluetooth
    • LED warning strobe
    • CB radio ready
    • Window sun shade
  • Tramming
    • Front and rear roading fenders
  • Miscellaneous Attachments
    • Fast fill fuel system (Shaw-Aero)
    • Axle oscillation stop
    • Paint, black blade rear
  • Other
    • Venturi stack

Cat® Detect with Rear Camera

Cat® Detect with Smart Camera

Cat® Detect with Surround Cameras

Cat® Seat Belt Reminder

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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Terms and Conditions

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.

The Great Payback: Terms and Conditions

*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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Financing provided by Caterpillar Financial.
*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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