844 Wheel Dozer
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.
Engine
Engine Model
Rated Speed
Gross Power - ISO 14396
Gross Power - SAE J1995
Net Power - SAE J1349 - Standard Ambient
Net Power - SAE J1349 - High Ambient
Bore
Stroke
Displacement
Peak Torque - Speed
Torque Rise
Emissions
Operating Specifications
Operating Weight
Blade Capacities
Transmission
Transmission Type
Converter Drive - Forward 1
Converter Drive - Forward 2
Converter Drive - Forward 3
Converter Drive - Reverse 1
Converter Drive - Reverse 2
Converter Drive - Reverse 3
Direct Drive - Forward 1
Direct Drive - Forward 2
Direct Drive - Forward 3
Direct Drive - Reverse 1
Direct Drive - Reverse 2
Direct Drive - Reverse 3
Hydraulic System - Lift/Tilt
Output at 2,000 rpm and 6900 kPa (1,000 psi)
Cylinders, Double Acting - Lift, Bore and Stroke
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
Relief Valve Setting - Bulldozer (Large Pump)
Relief Valve Setting - Tilt Cylinders (Small Pump)
Hydraulic System - Steering
Steering System - Circuit
Steering System - Pump
Minimum Turning Radius - Over Blade
Total Steering Angle
Maximum Flow
Relief Valve Setting
Service Refill Capacities
Fuel Tank - Standard
Cooling System
Crankcase
Transmission
Differential - Final Drives - Front
Differential - Final Drives - Rear
Hydraulic System - Implement and Hydraulic Fan
Hydraulic System - Steering and Braking
Air Conditioning System
Air Conditioning
Axles
Front
Rear
Oscillation Angle
Brakes
Brakes
Sound Performance - Standard
Operator Sound Level (ISO 6396:2008)
Machine Sound Level (ISO 6395:2008)
Sound Performance - Suppression
Operator Sound Level (ISO 6396:2008)
Machine Sound Level (ISO 6395:2008)
Cab
ROPS/FOPS
Dimensions (Approximate)
Height - Top of ROPS
Height - Top of Exhaust Pipe
Height - Top of Hood
Ground Clearance
Centerline of Front Axle to Hitch
Centerline of Rear Axle to Edge of Bumper
Wheel Base
Length - With Blade on Ground
Standard Equipment:
-
- 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)
Optional Equipment:
-
- 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
Contact Us
Get A Quote
Thank you for your interest in Mustang Cat. We are here to help you in any way that we can. If you have a question, need equipment advice or just need additional information, we want to hear from you. You can email, phone or fill out the form below and we will be happy to connect with you.