Caterpillar 844K Wheel Dozer
Dimensions
Dimensions (Approximate)
Ground Clearance
2ft in
Centerline Of Rear Axle To Edge Of Bumper
12.5ft in
Height - Top Of Exhaust Pipe
16.61ft in
Height - Top Of Hood
12.7ft in
Height - Top Of Rops
17.2ft in
Length - With Blade On Ground
36.5ft in
Centerline Of Front Axle To Hitch
7.5ft in
Wheel Base
15.1ft in
Specifications
Engine
Gross Power
752hp
Rated Speed
1800rpm
Torque Rise
18%
Displacement
1649.5cu in
Bore
5.4in
Stroke
6in
Emissions
U.S. EPA Tier 4 Final or Tier 2 Equivalent
Net Power - Sae J1349
699hp
Gross Power - Sae J1995
766hp
Engine Model
Cat C27 ACERT
Peak Torque - Speed
2624rpm
Gross Power - Iso 14396
752hp
Net Power - Sae J1349 - Standard Ambient
699hp
Net Power - Sae J1349 - High Ambient
648hp
Operational
Operating Weight
165089lb
Transmission
Transmission Type
Cat Planetary Power Shift
Direct Drive - Forward 3
15.2mph
Direct Drive - Reverse 3
16.4mph
Direct Drive - Forward 2
8.5mph
Direct Drive - Reverse 2
9.6mph
Converter Drive - Forward 3
14.2mph
Converter Drive - Reverse 3
15.5mph
Direct Drive - Forward 1
Lock-up disabled
Converter Drive - Forward 1
4.5mph
Converter Drive - Forward 2
8.3mph
Direct Drive - Reverse 1
5.4mph
Converter Drive - Reverse 1
4.9mph
Converter Drive - Reverse 2
9.1mph
Axles
Front
Fixed
Rear
Trunnion
Oscillation Angle
8.5 degrees
Blade
Blade Capacity Range
15.9-30.7 m3 (20.7-40.2 yd3)
Brakes
Brakes
Meets ISO 3540:2011
Service Refill Capacities
Cooling System
54.9gal
Crankcase
20gal
Fuel Tank - Standard
286.6gal
Transmission
29.1gal
Differential - Final Drives - Front
71.6gal
Differential - Final Drives - Rear
68.9gal
Hydraulic System - Implement And Hydraulic Fan
68.9gal
Hydraulic System - Steering And Braking
34.9gal
Hydraulic System - Lift/Tilt
Cylinders, 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 gal/min
Relief Valve Setting - Bulldozer (Large Pump)
2700 psi
Relief Valve Setting - Tilt Cylinders (Small Pump)
2920 psi
Hydraulic System - Steering
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
35degrees
Maximum Flow
94.3 gal/min
Minimum Turning Radius - Over Blade
34ft in
Relief Valve Setting
4500 psi
Cab
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.
Fops
FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
Cab - Rops/Fops (2)
SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
Cab - Rops/Fops (1)
Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
Sound Performance - Standard
Machine Sound Level (Iso 6395:2008)
115 dB(A)
Operator Sound Level (Iso 6396:2008)
69 dB(A)
Sound Performance - Suppression
Operator Sound Level (Iso 6396:2008)
69 dB(A)
Machine Sound Level (Iso 6395:2008)
113 dB(A)
