Description
Wheel Dozers
844K
Engine Model
C27 Cat®
Gross Power
561.0 kW
Operating Weight
74883.0 kg
Documents
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.
Specifications
Engine Model
C27 Cat®
Gross Power
561.0 kW
Operating Weight
74883.0 kg
Bore
137.2 mm
Stroke
152.4 mm
Displacement
27.03 l
Torque Rise
18.0 %
Converter Drive - Forward 1
7.3 km/h
Converter Drive - Forward 2
13.3 km/h
Converter Drive - Forward 3
22.9 km/h
Converter Drive - Reverse 1
7.9 km/h
Converter Drive - Reverse 2
14.7 km/h
Converter Drive - Reverse 3
24.9 km/h
Direct Drive - Forward 2
13.7 km/h
Direct Drive - Forward 3
24.5 km/h
Direct Drive - Reverse 1
8.7 km/h
Direct Drive - Reverse 2
15.4 km/h
Direct Drive - Reverse 3
26.4 km/h
Fuel Tank - Standard
1085.0 l
Cooling System
208.0 l
Crankcase
76.0 l
Transmission
110.0 l
Differential - Final Drives - Front
271.0 l
Differential - Final Drives - Rear
261.0 l
Front
Fixed
Rear
Trunnion
Brakes
Meets ISO 3540:2011
Net Power - SAE J1349 - Standard Ambient
521.0 kW
Net Power - SAE J1349:2011
521.0 kW
Gross Power - ISO 14396
561.0 kW
Net Power - SAE J1349 - High Ambient
483.0 kW
Peak Torque - Speed
3557.0 N·m
Emissions
U.S. EPA Tier 4 Final or Tier 2 Equivalent
Rated Speed
1800.0 r/min
Gross Power - SAE J1995:2014
571.0 kW
Transmission Type
Cat Planetary Power Shift
Direct Drive - Forward 1
Lock-up disabled
Hydraulic System - Implement and Hydraulic Fan
261.0 l
Hydraulic System - Steering and Braking
132.0 l
Cab - ROPS/FOPS (1)
Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
Air Conditioning
Standard air conditioning system contains environmentally friendly R134a refrigerant
ROPS
ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.
Cab - ROPS/FOPS (2)
SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
FOPS
FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
Oscillation Angle
8.5 °
Blade Capacity Range
15,9-30,7 m3 (20,7-40,2 yd.3)
Machine Sound Level (ISO 6395:2008)
115.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)
Machine Sound Level (ISO 6395:2008)
113.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)
Relief Valve Setting - Tilt Cylinders (Small Pump)
20150.0 kPa
Output at 2,000 rpm and 6900 kPa (1,000 psi)
311.0 l/min
Cylinders, Double Acting - Lift, Bore and Stroke
133 mm × 1535 mm (5.25 in × 60.4 in)
Relief Valve Setting - Bulldozer (Large Pump)
18650.0 kPa
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
210 mm × 188 mm (8.25 in × 7.4 in)
Total Steering Angle
35.0 °
Steering System - Circuit
Pilot, load sensing
Minimum Turning Radius - Over Blade
10369.0 mm
Relief Valve Setting
31000.0 kPa
Steering System - Pump
Piston, variable displacement
Maximum Flow
357.0 l/min
Height - Top of Exhaust Pipe
5049.0 mm
Wheel Base
4600.0 mm
Length - With Blade on Ground
11120.0 mm
Centerline of Rear Axle to Edge of Bumper
3795.0 mm
Centerline of Front Axle to Hitch
2300.0 mm
Height - Top of ROPS
5240.0 mm
Ground Clearance
596.0 mm
Height - Top of Hood
3862.0 mm
Features
Long Term Value and Durability
Built to Perform
Performance and Productivity
Work In Comfort
Integrated Cat® Technologies
Technology that Gets Work Done
Safety First
Save on Service and Maintenance
Top-Tier Service and Support
Reduce Environmental Impact
Purpose-Built Cat Attachments
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/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
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
- 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
- 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)
Why choose RIMCO Barbados
Quality
Machines are built with quality and durability to help you build a better, more sustainable world.
Exceptional Service
Expect the best and count on us with our full service and support to ensure your equipment’s performance and longevity.
All Emcompassing
Largest inventory of rental equipment that helps you achieve every step/stage/phase of your project.
Experienced
Trusted advisors to help you find and choose the right equipment.
Reviews
There are no reviews yet.