Published dimensions and weight

Caterpillar 844

The Caterpillar 844 is a wheel dozer of about 70.4 t; its 3142E DITA ATAAC engine is rated at 620 hp.

01Published dimensions and weight

Dimensions reference

Representative category illustration for Wheel Dozer

Representative category illustration; exact model may differ.Measurement reference — not to scale

01Dimensions referenceLength × width × height

02Operating Weight155117.3 lb70360 kg

03Selected published values71

Published highlights

Length With Blade On Ground: 35.9 ft / 10940 mm
Width Over Tires: 14.34 ft / 4370 mm
Ground Clearance: 1.42 ft / 431 mm
Height To Top Of Cab: 16.48 ft / 5023 mm

Typical use

Wheel dozers are commonly used to push, spread and clean up material where wheeled mobility is useful. Published rows for Caterpillar 844 include published operating weight of 155117.3 lb / 70360 kg, published engine power of 620 hp / 462.4 kw, the published “Length With Blade On Ground” field of 35.9 ft / 10940 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.

Buyer review notes

Compare the published “Length With Blade On Ground” field (35.9 ft / 10940 mm) with the specific machine's configuration and records; options and condition can differ.
Compare the published “Width Over Tires” field (14.34 ft / 4370 mm) with the specific machine's configuration and records; options and condition can differ.
Compare the published “Ground Clearance” field (1.42 ft / 431 mm) with the specific machine's configuration and records; options and condition can differ.

02Specifications

Published values, clearly grouped.

Published specifications and measurements are organized by section for quick reference.

Dimensions

Length With Blade On Ground35.9 ft10940 mm

Width Over Tires14.34 ft4370 mm

Ground Clearance1.42 ft431 mm

Height To Top Of Cab16.48 ft5023 mm

Wheelbase15.1 ft4600 mm

Operating Specifications

Ground Clearance1.56 ft0.48 m

Blade Capacities15.9 to 30.7 m3 20.7 to 40.2 yd315.9 to 30.7 m3 20.7 to 40.2 yd3

Engine

Number Of Cylinders1212

Engine Make22362236

Engine Model3142E DITA ATAAC3142E DITA ATAAC

Net Power620 hp462.4 kw

Power Measured @2000 rpm2000 rpm

Displacement1647.7 cu in27 L

Bore5.4 in137.2 mm

Stroke6 in152.4 mm

Flywheel Power620 hp462.4 kw

Flywheel Power - Din 70020648 PS648 PS

Flywheel Power - Caterpillar625 hp466.1 kw

Flywheel Power - Eec 80/1269625 hp466.1 kw

Flywheel Power - Iso 9249625 hp466.1 kw

Flywheel Power - Sae J1349 (Jan90)618 hp460.9 kw

Operational

Operating Weight155117.3 lb70360 kg

Fuel Capacity212.2 gal803 L

Tire Size45/65-R39 PR45/65-R39 PR

Transmission

Number Of Forward Gears33

Number Of Reverse Gears33

Max Speed - Forward13.1 mph21 km/h

Max Speed - Reverse14.3 mph23 km/h

Direct Drive - Forward 314 mph22.6 km/h

Direct Drive - Reverse 315.4 mph24.8 km/h

Direct Drive - Forward 27.9 mph12.8 km/h

Direct Drive - Reverse 28.8 mph14.2 km/h

Converter Drive - Forward 313 mph21 km/h

Converter Drive - Reverse 314.3 mph23.1 km/h

Direct Drive - Forward 14.5 mile/h4.5 mile/h

Converter Drive - Forward 14.4 mph7.1 km/h

Converter Drive - Forward 27.6 mph12.3 km/h

Direct Drive - Reverse 14.9 mph7.9 km/h

Converter Drive - Reverse 14.8 mph7.8 km/h

Converter Drive - Reverse 28.4 mph13.6 km/h

Number Of Forward Speeds33

Number Of Reverse Speeds33

Steering

Steering Angle35 degrees35 degrees

Relief Valve Setting4500 psi4500 psi

Minimum Turning Radius - Over Tires390 in9906 mm

Hydraulic Output At 2128 Rpm And 1000 Psi (6900 Kpa)108 gal/min108 gal/min

Weights

Operating Weight156120 lb70814.9 kg

Tires

Standard Tire SizeTwo choices available.Two choices available.

Tire ChoicesTwo choices available.Two choices available.

Blade

Blade Capacity20.8 yd315.9 m3

Blade Width17.8 ft5420 mm

Blade Height6.1 ft1834 mm

Axles

FrontFixedFixed

RearOscillating 11 degreesOscillating 11 degrees

Maximum Single-Wheel Rise And Fall22.5 in571.5 mm

Hydraulic System

Cylinder, Double Acting - Tilt And Tip, Bore And Stroke209.5 mm x 188 mm 8.25 in x 7.5 in209.5 mm x 188 mm 8.25 in x 7.5 in

Output At 2,126 Rpm And 6894 Kpa (1,000 Psi)89 gal/min89 gal/min

Relief Valve Setting - Bulldozer (Large Pump)2700 psi2700 psi

Relief Valve Setting - Tilt Cylinders (Small Pump)2920 psi2920 psi

Brakes

BrakesMeets SAE/ISO 3450 1996.Meets SAE/ISO 3450 1996.

Service Refill Capacities

Cooling System50.2 gal190.1 L

Crankcase25 gal94.7 L

Hydraulic Tank141 gal533.8 L

Fuel Tank - Standard260 gal984.3 L

Transmission29 gal109.8 L

Differential - Final Drives - Front71.6 gal271.1 L

Differential - Final Drives - Rear68.9 gal260.9 L

Hydraulic System - Implement And Brakes - Tank Only45 gal170.4 L

Hydraulic System - Steering And Engine Cooling Fan - Tank Only34.9 gal132.2 L

Cab

Rops/FopsMeets SAE and ISO standards.Meets SAE and ISO standards.

Sound Performance LevelsMeets ANSI, SAE and ISO standards.Meets ANSI, SAE and ISO standards.

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Manufacturer-published specifications.

Caterpillar 844

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