844K Wheel Dozer - Puckett Rents

Cat Large 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.

Engine

Engine Model: Cat® C27 ACERT™
Gross Power: 752.0 hp
Bore: 5.4 in
Stroke: 6.0 in
Displacement: 1649.5 in3
Torque Rise: 18.0 %
Emissions: U.S. EPA Tier 4 Final or Tier 2 Equivalent
Gross Power - ISO 14396: 752.0 hp
Gross Power - SAE J1995: 766.0 hp
Net Power - SAE J1349: 699.0 hp
Net Power - SAE J1349 (High Ambient): 648.0 hp
Net Power - SAE J1349 (Standard Ambient): 699.0 hp
Peak Torque @ (speed): 2624.0 lb ft
Rated Speed: 1800.0 RPM

Weights

Operating Weight: 165089.0 lb

Transmission

Converter Drive - Forward 1: 4.5 mph
Converter Drive - Forward 2: 8.3 mph
Converter Drive - Forward 3: 14.2 mph
Converter Drive - Reverse 1: 4.9 mph
Converter Drive - Reverse 2: 9.1 mph
Converter Drive - Reverse 3: 15.5 mph
Direct Drive - Forward 2: 8.5 mph
Direct Drive - Forward 3: 15.2 mph
Direct Drive - Reverse 1: 5.4 mph
Direct Drive - Reverse 2: 9.6 mph
Direct Drive - Reverse 3: 16.4 mph
Direct Drive - Forward 1: Lock-up disabled
Transmission Type: Cat Planetary Power Shift

Service Refill Capacities

Fuel Tank - Standard: 286.6 gal
Cooling System: 54.9 gal
Crankcase: 20.0 gal
Transmission: 29.1 gal
Differentials and Final Drives - Front: 71.6 gal
Differentials and Final Drives - Rear: 68.9 gal
Hydraulic System - Implement and Hydraulic Fan: 68.9 gal
Hydraulic System - Steering and Braking: 34.9 gal

Cab

Air Conditioning: Standard air conditioning system contains environmentally friendly R134a refrigerant
Cab - ROPS/FOPS: Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
Cab - ROPS/FOPS: SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
FOPS: FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
ROPS: ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.

Brakes

Brakes: Meets ISO 3540:2011

Axles

Front: Fixed
Rear: Trunnion
Oscillation Angle: 8.5 Degrees

Blade

Blade Capacity Range: 15.9-30.7 m3 (20.7-40.2 yd3)

Sound Performance - Standard

Machine Sound Level (ISO 6395:2008): 115.0 dB(A)
Operator Sound Level (ISO 6396:2008): 69.0 dB(A)

Sound Performance - Suppression

Machine Sound Level (ISO 6395:2008): 113.0 dB(A)
Operator Sound Level (ISO 6396:2008): 69.0 dB(A)

Hydraulic System - Lift/Tilt

Cylinder, 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)
Output at 2,000 rpm and 6900 kPa (1,000 psi): 82.0 gal/min
Relief Valve Setting - Bulldozer (Large Pump): 2700.0 psi
Relief Valve Setting - Tilt Cylinders (Small Pump): 2920.0 psi

Hydraulic System - Steering

Maximum Flow: 94.3 gal/min
Minimum Turning Radius (over blade): 34.0 ft
Relief Valve Setting: 4500.0 psi
Steering System - Circuit: Pilot, load sensing
Steering System - Pump: Piston, variable displacement
Total Steering Angle: 35.0 Degrees

Dimensions (Approximate)

Center Line of Front Axle to Hitch: 7.5 ft
Center Line of Rear Axle to Edge of Bumper: 12.5 ft
Ground Clearance: 2.0 ft
Height to Top of Exhaust Pipe: 16.6 ft
Height to Top of Hood: 12.7 ft
Height to Top of ROPS: 17.2 ft
Length with Blade on Ground: 36.5 ft
Wheelbase: 15.1 ft

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
- Camera, rear vision
- Cigar lighter and ashtray
- Coat hook
- Electro-hydraulic blade controls (seat mounted)
- Flip-up armrest
- Heater and defroster
- Horn, electric
- Implement hydraulic lockout
- 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, Cat comfort (cloth) air suspension
- Seat belt, retractable, 76 mm (3 in) wide
- STIC control system with steering lock
- Tinted glass
- Trainer seat with lap belt
- Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles
- Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
POWER TRAIN
- Brakes, full hydraulic, enclosed, oil-disc
- Axle-shaft oil-disc service brake
- Electro hydraulic parking brake
- Case drain filters
- Cat clean emission module (Tier 4 only)
- Demand fan
- Engine Cat C27 ACERT
- Fuel priming pump (electric)
- Ground level engine shutoff, bumper
- Mufflers (under hood) (Tier 2 only)
- Precleaner, engine air intake
- Radiator, Aluminum Modular (AMR)
- Separated cooling system
- Starting aid, (ether) manual override
- Throttle Lock
- 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
- Alarm, back-up
- Alternator, 150 amp
- Batteries, maintenance free (2 - 1,400 CCA)
- Converter, 10/15 amp, 24V to 12V
- Deutsch component connectors
- Electrical system, 24V
- Electronic transmission control
- Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
- Starter, electric
- Starter lockout in bumper
- Starting receptacle for emergency start
- Transmission lockout in bumper
OTHER
- Axle temperature sensor
- Battery disconnect and jump start receptacle, bumper
- Coupling, Caterpillar O-ring face seals
- Economy mode with on demand throttle
- Emergency platform egress
- Engine, crankcase, 500 hour interval with CH4
- Engine idle management features: - Auto idle kickdown - Delayed engine shutdown - Engine idle shutdown
- Fenders, steel (front)
- Guards, crankcase and power train
- Grouped/labeled lube points
- Hitch, drawbar with pin
- Hoses, Cat XT
- Oil sampling valves
- Positive flow control hydraulic system
- Product Link^™
- Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
- Stairway, left and right rear access
- Steering, load sensing
- Steering, secondary
- Toe kicks
- Vandalism protection caplocks
- Venturi stack
- Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)

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/CD/MP3 radio
- Satellite Sirius radio with Bluetooth
- LED warning strobe
- CB radio ready
- Window sun shade
MISCELLANEOUS ATTACHMENTS
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Axle oscillation stop
- Paint, black blade rear