Caterpillar WORK TOOL 844 - catalog of spare parts
Dimensions
Length with blade on the ground - 35.9 feet in
Tire Width - 14.34 Feet in
Height to Cab Top - 16.48 Feet in
Wheelbase - 15.1 feet in
Ground clearance - 1.42 feet in
Operational
Working Weight - 155,117.3 lbs
212.2 gallon fuel tank capacity
Tire size - 45/65-R39 PR
Operational characteristics
Ground clearance - 1.6 feet in
Blade volume - from 15.9 to 30.7 m3; from 20.7 to 40.2 m3
Choose WORK TOOL 844 section:
Specifications
engine
The number of cylinders - 12
Engine make - 2236
Engine Model - 3142E DITA ATAAC
Net power - 620 hp
The measured power @ - 2000 rpm
Displacement - 1647.7
Hole Diameter - 5.4 inches
6 inch travel
Engine Model - Cat 3412E
Flywheel power - 620 hp
Flywheel power - DIN 70020 - 648 hp
Flywheel Power - Caterpillar - 625 HP
Flywheel power - EEC 80/1269 - 625 hp
Flywheel power - ISO 9249 - 625 hp
Flywheel power - SAE J1349 (JAN90) - 618 hp
Transmission
Number of forward gears - 3
Number of reverse gears - 3
Top Speed - Forward - 13.1 mph
Max. Speed - Reverse - 14.3 mph
Direct Drive - Forward 3 - 14 Mph
Direct Drive - Reverse 3 - 15.4 mph
Direct Drive - Forward 2 - 7.9 mph
Direct Drive - Reverse 2 - 8.8 mph
Drive Converter - Forward 3 - 13 Mph
Drive Converter - Reverse 3 - 14.3 mph
Direct Drive - Forward 1 - 4.5 mph
Drive Converter - Forward 1 - 4.4mph
Drive Converter - Forward 2 - 7.6 mph
Direct Drive - Reverse 1 - 4.9mph
Drive Converter - Reverse 1 - 4.8 mph
Drive Converter - Reversing 2 - 8.4 mph
Number of speeds forward - 3
Number of reverse speeds - 3
Steering
Rotation angle - 35 degrees
Safety Valve Installation - 4,500 psi
Minimum turning radius - above tires - 390 inches
Hydraulic power at 2,128 rpm and 1,000 psi (6,900 kPa) - 108 gallons / min
Weights
Working Weight - 156,120 lbs.
Tires
Standard tire size - two options are available.
Choice of tires - two options are available.
Hydraulic system
Double acting cylinder - tilt and tip, hole and stroke - 209.5 mm x 188 mm 8.25 x 7.5 inches
Productivity at 2126 rpm and 6894 kPa (1000 psi) - 89 gal / min.
Relief Valve Installation - Bulldozer (Large Pump) - 2700 psi
Relief Valve Installation - Tilt Cylinders (Small Pump) - 2920 psi
Blade
Blade Capacity - 20.8yd3
Blade Width - 17.8 ft.
Blade Height - 6.1 Feet in
Rear - oscillating 11 degrees
The maximum rise and fall of one wheel - 22.5 inches
The brakes
Brakes - complies with SAE / ISO 3450 1996.
Dimensions
Length with blade on the ground - 35.9 feet in
Tire Width - 14.4 Feet in
Height to Cab Top - 16.5 ft.
Wheelbase - 15.1 feet in
Ground clearance - 1.5 feet in
Service replenishment options
Cooling system - 50.2 gal
Carter - 25gal
Hydraulic tank - 141 gal
Fuel tank - standard - 260 gal
Gearbox - 29gal
Differential - Last gears - Forward - 71.6gal Differential - Last gears - Forward - 68.9gal
Hydraulic system - aggregate and brakes - tank only - 45gal
Hydraulic System - Steering and Engine Cooling Fan - Tank Only - 34.9 gallons
Taxi
ROPS / FOPS - Meets SAE and ISO standards.
Sound Levels - Meets ANSI, SAE, and ISO standards.