844K Wheel Dozer

360 View Video

Product Description

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.

Specifications
Us
Metric
Engine
Engine Model
Cat® C27 ACERT™
Gross Power
752.0 hp
561.0 kW
Bore
5.4 in
137.2 mm
Stroke
6.0 in
152.4 mm
Displacement
1649.5 in3
27.03 L
Torque Rise
18.0 %
18.0 %
Emissions
U.S. EPA Tier 4 Final or Tier 2 Equivalent
Gross Power - ISO 14396
752.0 hp
561.0 kW
Gross Power - SAE J1995
766.0 hp
571.0 kW
Net Power - SAE J1349
699.0 hp
521.0 kW
Net Power - SAE J1349 (High Ambient)
648.0 hp
483.0 kW
Net Power - SAE J1349 (Standard Ambient)
699.0 hp
521.0 kW
Peak Torque @ (speed)
2624.0 lb ft
3557.0 N·m
Rated Speed
1800.0 RPM
1800.0 RPM
Weights
Operating Weight
165089.0 lb
74883.0 kg
Transmission
Converter Drive - Forward 1
4.5 mph
7.3 km/h
Converter Drive - Forward 2
8.3 mph
13.3 km/h
Converter Drive - Forward 3
14.2 mph
22.9 km/h
Converter Drive - Reverse 1
4.9 mph
7.9 km/h
Converter Drive - Reverse 2
9.1 mph
14.7 km/h
Converter Drive - Reverse 3
15.5 mph
24.9 km/h
Direct Drive - Forward 2
8.5 mph
13.7 km/h
Direct Drive - Forward 3
15.2 mph
24.5 km/h
Direct Drive - Reverse 1
5.4 mph
8.7 km/h
Direct Drive - Reverse 2
9.6 mph
15.4 km/h
Direct Drive - Reverse 3
16.4 mph
26.4 km/h
Direct Drive - Forward 1
Lock-up disabled
Transmission Type
Cat Planetary Power Shift
Service Refill Capacities
Fuel Tank - Standard
286.6 gal
1085.0 L
Cooling System
54.9 gal
208.0 L
Crankcase
20.0 gal
76.0 L
Transmission
29.1 gal
110.0 L
Differentials and Final Drives - Front
71.6 gal
271.0 L
Differentials and Final Drives - Rear
68.9 gal
261.0 L
Hydraulic System - Implement and Hydraulic Fan
68.9 gal
261.0 L
Hydraulic System - Steering and Braking
34.9 gal
132.0 L
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.
Axles
Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5 Degrees
8.5 Degrees
Brakes
Brakes
Meets ISO 3540:2011
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
311.0 L/min
Relief Valve Setting - Bulldozer (Large Pump)
2700.0 psi
18650.0 kPa
Relief Valve Setting - Tilt Cylinders (Small Pump)
2920.0 psi
20150.0 kPa
Sound Performance - Suppression
Machine Sound Level (ISO 6395:2008)
113.0 dB(A)
113.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)
69.0 dB(A)
Hydraulic System - Steering
Maximum Flow
94.3 gal/min
357.0 L/min
Minimum Turning Radius (over blade)
34.0 ft
10369.0 mm
Relief Valve Setting
4500.0 psi
31000.0 kPa
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
35.0 Degrees
35.0 Degrees
Dimensions (Approximate)
Center Line of Front Axle to Hitch
7.5 ft
2300.0 mm
Center Line of Rear Axle to Edge of Bumper
12.5 ft
3795.0 mm
Ground Clearance
2.0 ft
596.0 mm
Height to Top of Exhaust Pipe
16.6 ft
5049.0 mm
Height to Top of Hood
12.7 ft
3862.0 mm
Height to Top of ROPS
17.2 ft
5240.0 mm
Length with Blade on Ground
36.5 ft
11120.0 mm
Wheelbase
15.1 ft
4600.0 mm
Sound Performance - Standard
Machine Sound Level (ISO 6395:2008)
115.0 dB(A)
115.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A)
69.0 dB(A)
Blade
Blade Capacity Range
15.9-30.7 m3 (20.7-40.2 yd3)
Standard/Optional

Standard Equipment

OPERATOR ENVIRONMENT
POWER TRAIN
ELECTRICAL
OTHER

Optional Equipment

POWER TRAIN
BLADES
OPERATOR ENVIRONMENT
MISCELLANEOUS ATTACHMENTS

Your time is valuable, and your business, much appreciated. Thanks for visiting our website. You can count on us for realistic answers to your equipment needs, state-of-the-art technology, experienced application specialists, flexible acquisition options and customized financing. We look forward to answering your questions.

Connect With Us!