Piscataway Campus
732-885-5555
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877-726-7663

Dozers

844 Wheel Dozer

  • Engine Model
    C27 Cat®
  • Rated Speed
    1800 r/min
  • Gross Power
    752 HP
  • Gross Power
    766 HP
Engine
Engine Model
C27 Cat®
Rated Speed
1800 r/min
Gross Power
752 HP
Gross Power
766 HP
Net Power
699 HP
Net Power
648 HP
Bore
5.4 in
Stroke
6 in
Displacement
1649.5 in³
Peak Torque
2624 lb/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 Specifications
Operating Weight
165089 lb
Blade Capacities
15.9 - 30.7 m3 (20.7 - 40.2 yd3)
Transmission
Transmission Type
Cat Planetary Power Shift
Converter Drive
4.5 mile/h
Converter Drive
8.3 mile/h
Converter Drive
14.2 mile/h
Converter Drive
4.9 mile/h
Converter Drive
9.1 mile/h
Converter Drive
15.5 mile/h
Direct Drive
Lock-up disabled
Direct Drive
8.5 mile/h
Direct Drive
15.2 mile/h
Direct Drive
5.4 mile/h
Direct Drive
9.6 mile/h
Direct Drive
16.4 mile/h
Hydraulic System - Lift/Tilt
Output at 2
82 gal/min
Cylinders
133 mm × 1535 mm (5.25 in × 60.4 in)
Cylinder
210 mm × 188 mm (8.25 in × 7.4 in)
Relief Valve Setting
2700 psi
Relief Valve Setting
2920 psi
Hydraulic System - Steering
Steering System
Pilot, load sensing
Steering System
Piston, variable displacement
Minimum Turning Radius
34 ft
Total Steering Angle
35 °
Maximum Flow
94.3 gal/min
Relief Valve Setting
4500 psi
Service Refill Capacities
Fuel Tank
286.6 gal (US)
Cooling System
54.9 gal (US)
Crankcase
20 gal (US)
Transmission
29.1 gal (US)
Differential
71.6 gal (US)
Differential
68.9 gal (US)
Hydraulic System
68.9 gal (US)
Hydraulic System
34.9 gal (US)
Air Conditioning System
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.
Axles
Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5 °
Brakes
Brakes
Meets ISO 3540:2011
Sound Performance - Standard
Operator Sound Level
69 dB(A)
Machine Sound Level
115 dB(A)
Sound Performance - Suppression
Operator Sound Level
69 dB(A)
Machine Sound Level
113 dB(A)
Cab
ROPS
ISO 3471:2008 and ISO 3449:2005 Level II Standards
Dimensions (Approximate)
Height
17.2 ft
Height
16.6 ft
Height
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
36.5 ft
  • 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