Caterpillar 844 Wheel Dozer Specs

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

The Caterpillar 844 Wheel Dozer is a powerful and efficient machine designed for tough earthmoving tasks. With a blade capacity of 20.8 cubic yards and a gross power of 620 horsepower, this wheel dozer is equipped to handle demanding jobs with ease. Meeting safety standards with features like ROPS/FOPS cab and sound performance levels, the Caterpillar 844 Wheel Dozer offers reliable performance and precision in various working conditions.

General Specifications

Caterpillar 844 Wheel Dozer General Specifications specifications
0 - 0 3 6	SPEED - Starting 1998
0 - 0 4 8	6 9 12 15 - Starting 1998
Approx. Oper. Wt.	156,120.00 lbs (70,814.93 kg) - Starting 2001
Approx. Oper.Wt.	152,620.00 lbs (69,227.35 kg) - Starting 1998
Blade - Ground Clearance @ Full - Lift Under Skid Plate	54.00 in (137.16 cm) - Starting 1998
Blade - Height	69.00 in (175.26 cm) - Starting 1998
Blade - Max. Digging Depth	18.30 in (46.48 cm) - Starting 1998
Blade - Tilt Adjust. from - Horizontal	32.70 in (83.06 cm) - Starting 1998
Blade - Total Tip Adjustment	13 deg - Starting 1998
Blade - Width (including std. end bits)	212.00 in (538.48 cm) - Starting 1998
Capacity	20.70 cu yd (15.90 cu m) - Starting 1998
Displacement	1,649.00 cu in (27,022.33 cu cm) - Starting 1998
Engine Model	3412E HEUI - Starting 1998
Flywheel Kilowatts (Horsepower	625.00 hp (466.07 kw) - Starting 1998
Flywheel Power	625.00 hp (466.07 kw) - Starting 1998
FORWARD - GEAR - 1	4.50 mph (7.24 kph) - Starting 1998
FORWARD - GEAR - 2	8.00 mph (12.87 kph) - Starting 1998
FORWARD - GEAR - 3	14.00 mph (22.53 kph) - Starting 1998
Fuel Tank Refill Capacity	258.00 US gal (978.00 L) - Starting 2001
General Dimensions - (Tractor & Dozer) Length	429.00 in (1,089.66 cm) - Starting 1998
GENERAL DIMENSIONS - Ground Clearance	17.00 in (43.18 cm) - Starting 2001
GENERAL DIMENSIONS - Height (stripped top)	150.00 in (381.00 cm) - Starting 2001
GENERAL DIMENSIONS - Height (to top of ROPS)	198.00 in (502.92 cm) - Starting 2001
GENERAL DIMENSIONS - Overall Length with Dozer	429.00 in (1,089.66 cm) - Starting 1998
GENERAL DIMENSIONS - Wheel Base	181.00 in (459.74 cm) - Starting 1998
General Dimensions - Width	212.00 in (538.48 cm) - Starting 1998
GENERAL DIMENSIONS - Width (over standard tires)	172.00 in (436.88 cm) - Starting 2001
GENERAL DIMENSIONS - Width (over standard tires) Ground Clearance	45.00 in (114.30 cm) - Starting 1998
Ground Clearance	22.00 in (55.88 cm) - Starting 1998
Length (Dozer on ground	429.00 in (1,089.66 cm) - Starting 1998
Maximum Forward Speed	14.00 mph (22.53 kph) - Starting 1998
Maximum Reverse Speed	15.50 mph (24.94 kph) - Starting 1998
No. Cylinders	12 - Starting 1998
Operating Weight	155,120.00 lbs (70,361.34 kg) - Starting 2001
Product Identification Prefix	BBN - Starting 2001
Rated Engine RPM	2000 rpm - Starting 1998
REVERSE - GEAR - 1	5.00 mph (8.05 kph) - Starting 1998
REVERSE - GEAR - 2	8.80 mph (14.16 kph) - Starting 1998
REVERSE - GEAR - 3	15.50 mph (24.94 kph) - Starting 1998
SEMI-U DOZER - Capacity	21.10 cu yd (16.10 cu m) - Starting 1998
SEMI-U DOZER - Depth of Cut	18.00 in (45.72 cm) - Starting 1998
SEMI-U DOZER - Ground Clearance Below - Skid Shoe	54.00 in (137.16 cm) - Starting 2001
SEMI-U DOZER - Height	74.00 in (187.96 cm) - Starting 1998
SEMI-U DOZER - Lift Speed	1.20 ft (0.37 m) - Starting 1998
SEMI-U DOZER - Tilt Adjustment	33.00 in (83.82 cm) - Starting 2001
SEMI-U DOZER - Tip Adjustment	13 deg - Starting 1998
SEMI-U DOZER - Width	208.00 in (528.32 cm) - Starting 1998
Speeds - Forward	3 - Starting 1998
Speeds - Reverse	3 - Starting 1998
Standard Tire Size	45/65-R39, PR (L-4 - Starting 2001
Top Speed Forward	14.00 mph (22.53 kph) - Starting 2001
Trans- mission	PS 3F-3R - Starting 1998
Tread	120.00 in (304.80 cm) - Starting 1998
Turning Circle with Blade	856.00 in (2,174.24 cm) - Starting 2001
Turning Circle with Blade Standard Tire Size	45/65R39, PR (L-4 - Starting 1998
Type	Semi-U - Starting 1998
Weight, Dozer	34,520.00 lbs (15,658.03 kg) - Starting 1998
Wheelbase	181.00 in (459.74 cm) - Starting 1998
Years Built	2001 - 2005

Air Conditioning System

Caterpillar 844 Wheel Dozer Air Conditioning System specifications
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons). - Starting 2026

Axles

Caterpillar 844 Wheel Dozer Axles specifications
Front	Fixed - Starting 2026
Oscillation Angle	8.5 degrees - Starting 2026
Rear	Trunnion - Starting 2026

Brakes

Caterpillar 844 Wheel Dozer Brakes specifications
Brakes	Meets ISO 3540:2011 - Starting 2026

Cab

Caterpillar 844 Wheel Dozer Cab specifications
ROPS/FOPS	ISO 3471:2008 and ISO 3449:2005 Level II Standards - Starting 2026

Dimensions (Approximate)

Caterpillar 844 Wheel Dozer Dimensions (Approximate) specifications
Centerline of Front Axle to Hitch	7.50 ft (2.29 m) - Starting 2026
Centerline of Rear Axle to Edge of Bumper	12.50 ft (3.81 m) - Starting 2026
Ground Clearance	2.00 ft (0.61 m) - Starting 2026
Height - Top of Exhaust Pipe	16.60 ft (5.06 m) - Starting 2026
Height - Top of Hood	12.70 ft (3.87 m) - Starting 2026
Height - Top of ROPS	17.20 ft (5.24 m) - Starting 2026
Length - With Blade on Ground	36.50 ft (11.13 m) - Starting 2026
Wheel Base	15.10 ft (4.60 m) - Starting 2026

Engine

Caterpillar 844 Wheel Dozer Engine specifications
Bore	5.40 in (13.72 cm) - Starting 2026
Displacement	1,649.50 cu in (27,030.52 cu cm) - Starting 2026
Emissions	Option 1 - U.S. EPA Tier 4 Final / EU Stage V - Starting 2026
Engine Model	Cat® C27 - Starting 2026
Engine Power - ISO 14396: 2002	752.00 hp (560.78 kw) - Starting 2026
Engine Power - ISO 14396:2002	786.00 hp (586.13 kw) - Starting 2026
Gross Power - SAE J1995:2014	801.00 hp (597.32 kw) - Starting 2026
Net Power - SAE J1349:2011 - High Ambient	681.00 hp (507.83 kw) - Starting 2026
Net Power - SAE J1349:2011 - Standard Ambient	732.00 hp (545.86 kw) - Starting 2026
Peak Torque - Speed	2,624.00 lbs ft (3,557.62 nm) - Starting 2026
Rated Speed	1800 r/min - Starting 2026
Stroke	6.00 in (15.24 cm) - Starting 2026
Torque Rise	18 % - Starting 2026

Hydraulic System - Lift/Tilt

Caterpillar 844 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) - Starting 2026
Cylinders, Double Acting - Lift, Bore and Stroke	133 mm × 1535 mm (5.25 in × 60.4 in) - Starting 2026
Output at 2,000 rpm and 6900 kPa (1,000 psi)	82.00 gpm (310.37 lpm) - Starting 2026
Relief Valve Setting - Bulldozer (Large Pump)	2700 psi - Starting 2026
Relief Valve Setting - Tilt Cylinders (Small Pump)	2920 psi - Starting 2026

Hydraulic System - Steering

Caterpillar 844 Wheel Dozer Hydraulic System - Steering specifications
Maximum Flow	94.30 gpm (356.93 lpm) - Starting 2026
Minimum Turning Radius - Over Blade	34.00 ft (10.36 m) - Starting 2026
Relief Valve Setting	4500 psi - Starting 2026
Steering System - Circuit	Pilot, load sensing - Starting 2026
Steering System - Pump	Piston, variable displacement - Starting 2026
Total Steering Angle	35 degrees - Starting 2026

Operating Specifications

Caterpillar 844 Wheel Dozer Operating Specifications specifications
Blade Capacity Range	20.8 cu yd - Starting 2026
Operating Weight	165,089.00 lbs (74,883.20 kg) - Starting 2026

Service Refill Capacities

Caterpillar 844 Wheel Dozer Service Refill Capacities specifications
Cooling System	54.90 gal (207.80 l) - Starting 2026
Crankcase	20.00 gal (75.70 l) - Starting 2026
Differential - Final Drives - Front	71.60 gal (271.01 l) - Starting 2026
Differential - Final Drives - Rear	68.90 gal (260.79 l) - Starting 2026
Fuel Tank - Standard	286.60 gal (1,084.78 l) - Starting 2026
Hydraulic System - Implement and Hydraulic Fan	68.90 gal (260.79 l) - Starting 2026
Hydraulic System - Steering and Braking	34.90 gal (132.10 l) - Starting 2026
Transmission	29.10 gal (110.14 l) - Starting 2026

Sound Performance - Tier 2

Caterpillar 844 Wheel Dozer Sound Performance - Tier 2 specifications
Machine Sound Power Level (ISO 6395:2008)	116 dB(A) - Starting 2026
Machine Sound Power Level (ISO 6395:2008)*	114 dB(A) - Starting 2026
Operator Sound Pressure Level (ISO 6396:2008)	72 dB(A) - Starting 2026
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A) - Starting 2026

Sound Performance - Tier 4 Final / Stage V

Caterpillar 844 Wheel Dozer Sound Performance - Tier 4 Final / Stage V specifications
Machine Sound Power Level (ISO 6395:2008)	116 dB(A) - Starting 2026
Machine Sound Power Level (ISO 6395:2008)*	114 dB(A) - Starting 2026
Operator Sound Pressure Level (ISO 6396:2008)	72 dB(A) - Starting 2026
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A) - Starting 2026

Transmission

Caterpillar 844 Wheel Dozer Transmission specifications
Converter Drive - Forward 1	4.50 mph (7.24 kph) - Starting 2026
Converter Drive - Forward 2	8.30 mph (13.36 kph) - Starting 2026
Converter Drive - Forward 3	14.20 mph (22.85 kph) - Starting 2026
Converter Drive - Reverse 1	4.90 mph (7.89 kph) - Starting 2026
Converter Drive - Reverse 2	9.10 mph (14.64 kph) - Starting 2026
Converter Drive - Reverse 3	15.50 mph (24.94 kph) - Starting 2026
Direct Drive - Forward 1	Lock-up disabled - Starting 2026
Direct Drive - Forward 2	8.50 mph (13.68 kph) - Starting 2026
Direct Drive - Forward 3	15.20 mph (24.46 kph) - Starting 2026
Direct Drive - Reverse 1	5.40 mph (8.69 kph) - Starting 2026
Direct Drive - Reverse 2	9.60 mph (15.45 kph) - Starting 2026
Direct Drive - Reverse 3	16.40 mph (26.39 kph) - Starting 2026
Transmission Type	Cat Planetary Power Shift - Starting 2026