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Caterpillar 844K Wheel Dozer Specs

General Specifications

Caterpillar 844K Wheel Dozer General Specifications specifications
Blade - (Without Hydraulics) 13,830.00 lbs (6,273.19 kg) - Starting 2015
Blade - Ground Clearance @ Full Lift - Under Skid Plate 54.00 in (137.16 cm) - Starting 2015
Blade - Height 69.00 in (175.26 cm) - Starting 2015
Blade - Height, wing section - (tapered down) 80.00 in (203.20 cm) - Starting 2015
Blade - Length (Cutting Width) 230.00 in (584.20 cm) - Starting 2015
Blade - Max. Digging Depth 18.30 in (46.48 cm) - Starting 2015
Blade - Replaces "S" Blade Capacity 40.20 cu yd (30.70 cu m) - Starting 2015
Blade - Tilt Adjust. from Horizontal 32.70 in (83.06 cm) - Starting 2015
Blade - Total Tip Adjustment 13 deg - Starting 2015
Blade - Width (including std. end bits) 212.00 in (538.48 cm) - Starting 2015
Blade - Wing Angle Weight, Installed 30 deg - Starting 2015
Capacity 20.70 cu yd (15.90 cu m) - Starting 2015
Displacement 1,650.00 cu in (27,038.72 cu cm) - Starting 2015
Emission Level Tier 4/Tier 2 Equivalent - Starting 2015
Emission Standards Tier 4 Final/Stage IV/ Japan 2014 (Tier 4 Final - Starting 2016
Engine Model C27 ACERT - Starting 2015
FORWARD GEAR - 1 4.40 mph (7.08 kph) - Starting 2015
FORWARD GEAR - 2 7.60 mph (12.23 kph) - Starting 2015
FORWARD GEAR - 3 13.00 mph (20.92 kph) - Starting 2015
Fuel Tank Refill Capacity 268.00 US gal (1,016.00 L) - Starting 2015
General Dimensions - (Tractor & Dozer) - Length 429.00 in (1,089.66 cm) - Starting 2015
General Dimensions - (Tractor & Dozer) - Width 212.00 in (538.48 cm) - Starting 2015
GENERAL DIMENSIONS - Capacity 21.10 cu yd (16.10 cu m) - Starting 2015
GENERAL DIMENSIONS - Depth of Cut 18.00 in (45.72 cm) - Starting 2015
GENERAL DIMENSIONS - Ground Clearance 17.00 in (43.18 cm) - Starting 2015
GENERAL DIMENSIONS - Ground Clearance Below - Skid Shoe 54.00 in (137.16 cm) - Starting 2015
GENERAL DIMENSIONS - Height 74.00 in (187.96 cm) - Starting 2015
GENERAL DIMENSIONS - Height (stripped top) 150.00 in (381.00 cm) - Starting 2015
GENERAL DIMENSIONS - Height (to top of ROPS) 206.00 in (523.24 cm) - Starting 2015
GENERAL DIMENSIONS - Lift Speed 1.20 ft (0.37 m) - Starting 2015
GENERAL DIMENSIONS - Overall Length with Dozer 438.00 in (1,112.52 cm) - Starting 2015
GENERAL DIMENSIONS - Overall Length with Dozer Blade 438.00 in (1,112.52 cm) - Starting 2016
GENERAL DIMENSIONS - Tilt Adjustment 33.00 in (83.82 cm) - Starting 2015
GENERAL DIMENSIONS - Tip Adjustment 13 deg - Starting 2015
GENERAL DIMENSIONS - Wheel Base 181.00 in (459.74 cm) - Starting 2015
GENERAL DIMENSIONS - Width 208.00 in (528.32 cm) - Starting 2015
GENERAL DIMENSIONS - Width (over standard tires) 172.00 in (436.88 cm) - Starting 2015
Net Max. Operating Weight 165,089.00 lbs (74,883.20 kg) - Starting 2015
No. Cylinders 12 - Starting 2015
Operating Weight 165,089.00 lbs (74,883.20 kg) - Starting 2016
Rated Engine RPM 1800 rpm - Starting 2015
REVERSE GEAR - 1 4.60 mph (7.40 kph) - Starting 2015
REVERSE GEAR - 2 8.40 mph (13.52 kph) - Starting 2015
REVERSE GEAR - 3 14.30 mph (23.01 kph) - Starting 2015
Speeds - Forward 3 - Starting 2015
Speeds - Reverse 3 - Starting 2015
Standard Tire Size 45/65R39 (L-5 - Starting 2017
Tier 2/Stage II/Japan 2001 (Tier 2) - Equivalent - Flywheel Power Prefix KLS - Starting 2016
Tier 2/Stage II/Japan 2001 (Tier 2) - Equivalent - Max. 766.00 hp (571.22 kw) - Starting 2016
Tier 2/Stage II/Japan 2001 (Tier 2) - Equivalent - Net 699.00 hp (521.25 kw) - Starting 2016
Tier 4 Final/Stage IV/ - Japan 2014 (Tier 4 Final) - Flywheel Power Prefix MBE - Starting 2016
Tier 4 Final/Stage IV/ - Japan 2014 (Tier 4 Final) - Max. 766.00 hp (571.22 kw) - Starting 2016
Tier 4 Final/Stage IV/ - Japan 2014 (Tier 4 Final) - Net 699.00 hp (521.25 kw) - Starting 2016
Top Speed Forward 13.00 mph (20.92 kph) - Starting 2015
Turning Circle with Blade 856.00 in (2,174.24 cm) - Starting 2015
Turning Radius with Blade 408.00 in (1,036.32 cm) - Starting 2017
Type Semi-U - Starting 2015
U.S. EPA Tier 2 (Equivalent) - Net Max. Final Flywheel Power Prefix KLS - Starting 2015
U.S. EPA Tier 4 Final - Flywheel Power Prefix MBE - Starting 2015
Weight, Dozer 34,520.00 lbs (15,658.03 kg) - Starting 2015
WOODCHIP U-BLADE 824H - Starting 2017

Axles

Caterpillar 844K Wheel Dozer Axles specifications
Front Fixed
Oscillation Angle 8.5 degrees
Rear Trunnion

Blade

Caterpillar 844K Wheel Dozer Blade specifications
Blade Capacity Range 15.9-30.7 m3 (20.7-40.2 yd3)

Brakes

Caterpillar 844K Wheel Dozer Brakes specifications
Brakes Meets ISO 3540:2011

Cab

Caterpillar 844K Wheel Dozer Cab specifications
Air Conditioning Standard air conditioning system contains environmentally friendly R134a refrigerant
Cab - Rops/Fops (1) Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
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.
Rops ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.

Dimensions (Approximate)

Caterpillar 844K Wheel Dozer Dimensions (Approximate) specifications
Centerline Of Front Axle To Hitch 7.50 ft (2.29 m)
Centerline Of Rear Axle To Edge Of Bumper 12.50 ft (3.81 m)
Ground Clearance 2.00 ft (0.61 m)
Height - Top Of Exhaust Pipe 16.61 ft (5.06 m)
Height - Top Of Hood 12.70 ft (3.87 m)
Height - Top Of Rops 17.20 ft (5.24 m)
Length - With Blade On Ground 36.50 ft (11.13 m)
Wheel Base 15.10 ft (4.60 m)

Engine

Caterpillar 844K Wheel Dozer Engine specifications
Bore 5.40 in (13.72 cm)
Displacement 1,649.50 cu in (27,030.52 cu cm)
Emissions U.S. EPA Tier 4 Final or Tier 2 Equivalent
Engine Model Cat C27 ACERT
Gross Power 752.00 hp (560.78 kw)
Gross Power - Iso 14396 752.00 hp (560.78 kw)
Gross Power - Sae J1995 766.00 hp (571.22 kw)
Net Power - Sae J1349 699.00 hp (521.25 kw)
Net Power - Sae J1349 - High Ambient 648.00 hp (483.22 kw)
Net Power - Sae J1349 - Standard Ambient 699.00 hp (521.25 kw)
Peak Torque - Speed 2624 rpm
Rated Speed 1800 rpm
Stroke 6.00 in (15.24 cm)
Torque Rise 18 %

Hydraulic System - Lift/Tilt

Caterpillar 844K Wheel Dozer Hydraulic System - Lift/Tilt specifications
Cylinder, Double Acting - Tilt And Tip, Bore And Stroke 210 mm 188 mm (8.25 in 7.4 in)
Cylinders, Double Acting - Lift, Bore And Stroke 133 mm 1535 mm (5.25 in 60.4 in)
Output At 2,000 Rpm And 6900 Kpa (1,000 Psi) 82.00 gpm (310.37 lpm)
Relief Valve Setting - Bulldozer (Large Pump) 2700 psi
Relief Valve Setting - Tilt Cylinders (Small Pump) 2920 psi

Hydraulic System - Steering

Caterpillar 844K Wheel Dozer Hydraulic System - Steering specifications
Maximum Flow 94.30 gpm (356.93 lpm)
Minimum Turning Radius - Over Blade 34.00 ft (10.36 m)
Relief Valve Setting 4500 psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 35 degrees

Operational

Caterpillar 844K Wheel Dozer Operational specifications
Operating Weight 165,089.00 lbs (74,883.20 kg)

Service Refill Capacities

Caterpillar 844K Wheel Dozer Service Refill Capacities specifications
Cooling System 54.90 gal (207.80 l)
Crankcase 20.00 gal (75.70 l)
Differential - Final Drives - Front 71.60 gal (271.01 l)
Differential - Final Drives - Rear 68.90 gal (260.79 l)
Fuel Tank - Standard 286.60 gal (1,084.78 l)
Hydraulic System - Implement And Hydraulic Fan 68.90 gal (260.79 l)
Hydraulic System - Steering And Braking 34.90 gal (132.10 l)
Transmission 29.10 gal (110.14 l)

Sound Performance - Standard

Caterpillar 844K Wheel Dozer Sound Performance - Standard specifications
Machine Sound Level (Iso 6395:2008) 115 dB(A)
Operator Sound Level (Iso 6396:2008) 69 dB(A)

Sound Performance - Suppression

Caterpillar 844K Wheel Dozer Sound Performance - Suppression specifications
Machine Sound Level (Iso 6395:2008) 113 dB(A)
Operator Sound Level (Iso 6396:2008) 69 dB(A)

Transmission

Caterpillar 844K Wheel Dozer Transmission specifications
Converter Drive - Forward 1 4.50 mph (7.24 kph)
Converter Drive - Forward 2 8.30 mph (13.36 kph)
Converter Drive - Forward 3 14.20 mph (22.85 kph)
Converter Drive - Reverse 1 4.90 mph (7.89 kph)
Converter Drive - Reverse 2 9.10 mph (14.64 kph)
Converter Drive - Reverse 3 15.50 mph (24.94 kph)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.50 mph (13.68 kph)
Direct Drive - Forward 3 15.20 mph (24.46 kph)
Direct Drive - Reverse 1 5.40 mph (8.69 kph)
Direct Drive - Reverse 2 9.60 mph (15.45 kph)
Direct Drive - Reverse 3 16.40 mph (26.39 kph)
Transmission Type Cat Planetary Power Shift
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