THIS IS MY SELECT
Wheel Dozers
844K Wheel Dozer
Engine Model
93.0 hp
C27 Cat®
Gross Power
752 HP
Operating Weight
165,089 lb
THIS IS MY SELECT
backhoe loader
844K Wheel Dozer
Engine Model
93.0 hp
C27 Cat®
Gross Power
752 HP
Operating Weight
165,089 lb
Specifications
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 844K 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
93.0 in
93.0 mm
C27 Cat®
Gross Power
752 HP
561 kW
Bore
5.4 in
137.2 mm
Stroke
6 in
152.4 mm
Displacement
1,649.5 in³
27.03 l
Torque Rise
18 %
18 %
Net Power - SAE J1349 - Standard Ambient
699 HP
521 kW
Net Power - SAE J1349
699 HP
521 kW
Gross Power - ISO 14396
752 HP
561 kW
Net Power - SAE J1349 - High Ambient
648 HP
483 kW
Peak Torque - Speed
2,624 lb/ft
3,557 N·m
Emissions
93.0 in
93.0 mm
U.S. EPA Tier 4 Final or Tier 2 Equivalent
Rated Speed
1,800 r/min
1,800 r/min
Gross Power - SAE J1995
766 HP
571 kW
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Blade Capacity Range
93.0 in
93.0 mm
15,9-30,7 m3 (20,7-40,2 yd.3)
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Machine Sound Level (ISO 6395:2008)
115 dB(A)
115 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
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Machine Sound Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
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Operating Weight
165,089 lb
74,883 kg
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Relief Valve Setting - Tilt Cylinders (Small Pump)
2,920 psi
20,150 kPa
Output at 2,000 rpm and 6900 kPa (1,000 psi)
82 gal/min
311 l/min
Cylinders, Double Acting - Lift, Bore and Stroke
93.0 in
93.0 mm
133 mm × 1535 mm (5.25 in × 60.4 in)
Relief Valve Setting - Bulldozer (Large Pump)
2,700 psi
18,650 kPa
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
93.0 in
93.0 mm
210 mm × 188 mm (8.25 in × 7.4 in)
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Total Steering Angle
35 °
35 °
Steering System - Circuit
93.0 in
93.0 mm
Pilot, load sensing
Minimum Turning Radius - Over Blade
34 ft
10,369 mm
Relief Valve Setting
4,500 psi
31,000 kPa
Steering System - Pump
93.0 in
93.0 mm
Piston, variable displacement
Maximum Flow
94.3 gal/min
357 l/min
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Height - Top of Exhaust Pipe
16.6 ft
5,049 mm
Wheel Base
15.1 ft
4,600 mm
Length - With Blade on Ground
36.5 ft
11,120 mm
Centerline of Rear Axle to Edge of Bumper
12.5 ft
3,795 mm
Centerline of Front Axle to Hitch
7.5 ft
2,300 mm
Height - Top of ROPS
17.2 ft
5,240 mm
Ground Clearance
2 ft
596 mm
Height - Top of Hood
12.7 ft
3,862 mm
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Converter Drive - Forward 1
4.5 mile/h
7.3 km/h
Converter Drive - Forward 2
8.3 mile/h
13.3 km/h
Converter Drive - Forward 3
14.2 mile/h
22.9 km/h
Converter Drive - Reverse 1
4.9 mile/h
7.9 km/h
Converter Drive - Reverse 2
9.1 mile/h
14.7 km/h
Converter Drive - Reverse 3
15.5 mile/h
24.9 km/h
Direct Drive - Forward 2
8.5 mile/h
13.7 km/h
Direct Drive - Forward 3
15.2 mile/h
24.5 km/h
Direct Drive - Reverse 1
5.4 mile/h
8.7 km/h
Direct Drive - Reverse 2
9.6 mile/h
15.4 km/h
Direct Drive - Reverse 3
16.4 mile/h
26.4 km/h
Transmission Type
93.0 in
93.0 mm
Cat Planetary Power Shift
Direct Drive - Forward 1
93.0 in
93.0 mm
Lock-up disabled
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Fuel Tank - Standard
286.6 gal (US)
1,085 l
Cooling System
54.9 gal (US)
208 l
Crankcase
20 gal (US)
76 l
Transmission
29.1 gal (US)
110 l
Differential - Final Drives - Front
71.6 gal (US)
271 l
Differential - Final Drives - Rear
68.9 gal (US)
261 l
Hydraulic System - Implement and Hydraulic Fan
68.9 gal (US)
261 l
Hydraulic System - Steering and Braking
34.9 gal (US)
132 l
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Cab - ROPS/FOPS (1)
93.0 in
93.0 mm
Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
Air Conditioning
93.0 in
93.0 mm
Standard air conditioning system contains environmentally friendly R134a refrigerant
ROPS
93.0 in
93.0 mm
ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.
Cab - ROPS/FOPS (2)
93.0 in
93.0 mm
SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
FOPS
93.0 in
93.0 mm
FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
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Brakes
93.0 in
93.0 mm
Meets ISO 3540:2011
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Front
93.0 in
93.0 mm
Fixed
Rear
93.0 in
93.0 mm
Trunnion
Oscillation Angle
8.5 °
8.5 °
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NOTE
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OPERATOR ENVIRONMENT
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Air conditioner and heater with automatic temperature control
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Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS), radio ready for (entertainment) includes antenna, speakers and converter (12V, 10-15 amp)
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12V power port for mobile phone or laptop connection
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Camera, rear vision
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Cigar lighter and ashtray
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Coat hook
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Electro-hydraulic blade controls (seat mounted)
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Flip-up armrest
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Heater and defroster
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Horn, electric
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Implement hydraulic lockout
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Instrumentation, gauges: - Engine coolant temperature - Fuel level - Ground speed - Gear - Hydraulic oil temperature - Speedometer/tachometer - Torque converter temperature
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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
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Keypad, control with indicator lights: - Auto trans mode speed range - Auto/manual transmission mode - Lockup clutch - Reduced rimpull - Throttle lock
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Light, dome (cab)
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Lunchbox and beverage holders
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Mirrors, rearview (externally mounted)
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Seat, Cat comfort (cloth) air suspension
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Seat belt, retractable, 76 mm (3 in) wide
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STIC control system with steering lock
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Tinted glass
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Trainer seat with lap belt
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Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles
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Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
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POWER TRAIN
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Brakes, full hydraulic, enclosed, oil-disc
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Axle-shaft oil-disc service brake
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Electro hydraulic parking brake
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Case drain filters
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Cat clean emission module (Tier 4 only)
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Demand fan
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Engine Cat C27
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Fuel priming pump (electric)
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Ground level engine shutoff, bumper
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Mufflers (under hood) (Tier 2 only)
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Precleaner, engine air intake
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Radiator, Aluminum Modular (AMR)
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Separated cooling system
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Starting aid, (ether) manual override
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Throttle Lock
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Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
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Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
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ELECTRICAL
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Alarm, back-up
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Alternator, 150 amp
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Batteries, maintenance free (2 - 1,400 CCA)
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Converter, 10/15 amp, 24V to 12V
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Deutsch component connectors
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Electrical system, 24V
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Electronic transmission control
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Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
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Starter, electric
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Starter lockout in bumper
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Starting receptacle for emergency start
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Transmission lockout in bumper
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OTHER
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Axle temperature sensor
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Battery disconnect and jump start receptacle, bumper
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Coupling, Caterpillar O-ring face seals
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Economy mode with on demand throttle
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Emergency platform egress
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Engine, crankcase, 500 hour interval with CH4
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Engine idle management features: - Auto idle kickdown - Delayed engine shutdown - Engine idle shutdown
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Fenders, steel (front)
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Guards, crankcase and power train
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Grouped/labeled lube points
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Hitch, drawbar with pin
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Hoses, Cat XT
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Oil sampling valves
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Positive flow control hydraulic system
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Product Link™
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Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
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Stairway, left and right rear access
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Steering, load sensing
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Steering, secondary
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Toe kicks
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Vandalism protection caplocks
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Venturi stack
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Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
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NOTE
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POWER TRAIN
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50° C (-58° F) antifreeze
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Engine oil change system, high speed, Wiggins
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Engine block heater 120V or 240V
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High ambient cooling - software
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BLADES
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Semi-U - 17.8 m3 (23.3 yd3)
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HD Semi-U - 16.1 m3 (21.1 yd3)
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Coal - 30.7 m3 (40.2 yd3)
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OPERATOR ENVIRONMENT
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Cab precleaner
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AM/FM/CD/MP3 radio
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Satellite Sirius radio with Bluetooth
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LED warning strobe
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CB radio ready
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Window sun shade
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MISCELLANEOUS ATTACHMENTS
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Front and rear roading fenders
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Fast fill fuel system (Shaw-Aero)
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Axle oscillation stop
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Paint, black blade rear
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WHY CHOOSE EMPIRE
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Every purchase backed by a full menu of service and support offerings
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Flexible financing options designed to fit your budget
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Commitment to providing expert training to maximize operations
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Value Agreements to ensure proper maintenance and performance