Caterpillar 844K Wheel Dozer Specs

Category: Wheel Dozers ➔
Manufacturer: Caterpillar ➔
Model: 844K ➔

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 (74,870.30 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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