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385B

Large Excavators

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Engine Model Caterpillar 3456 ATAAC

Net Flywheel Power 382 kW

Net Power - ISO 9249 382 kW

Net Power - SAE J1349 382 kW

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385B

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FEATURES & BENEFITS

Engine

Cylinder BlockEngine durability starts with a strong foundation - the cylinder block. The 3456 cylinder block consists of a deep-skirt, cast-iron alloy design made from 2... Read more

Hydraulics

Hydraulic SystemThe 385B hydraulic system includes a three pump system with an independent swing circuit and a hydraulic circuit utilizing the proven Proportional Priorit... Read more

Undercarriage and Structures

CarbodyTo meet transportation requirements, the 385B undercarriage is of a variable gauge type. This design allows the track roller frames to be bolted to the carbody, en... Read more

Buckets

All 385B Buckets Increase Service Life and Optimize Performance High strength and heat treated steel in high wear areas. Dual radius design for increased heel clearance a... Read more

Booms, Sticks and Attachments

Reach Boom - 10 m (32 ft 10 in) longFor use in deep trenching applications where long reach and depth are necessary. Two long sticks are available for this boom.General P... Read more

Operator Station

Operator EnvironmentThe work station is designed to be spacious, quiet and comfortable for the operator, assuring high productivity during a long work day. Seat and cons... Read more

Complete Customer Support

SelectionMake detailed comparisons of the machines you are considering before you buy. What are the job requirements? What production is needed? What is the true cost of... Read more

Service and Maintenance

Service intervalsThe service intervals are extended to reduce maintenance costs. Engine oil, oil filter and fuel filters at 500 hours. Hydraulic oil at 4000 hours for no... Read more

SPECIFICATIONS FOR 385B

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Engine

Engine Model	Caterpillar 3456 ATAAC
Net Flywheel Power	382 kW
Net Power - ISO 9249	382 kW
Net Power - SAE J1349	382 kW
Net Power - EEC 80/1269	382 kW
Bore	140 mm
Stroke	171 mm
Displacement	15.8 l

Weights

Operating Weight - Long Undercarriage	86160 kg
Operating Weight - Standard Undercarriage	83510 kg

Operating Specifications

Maximum Reach - Ground Level	15.7 m
Maximum Digging Depth	10.7 m

Track

Standard with Standard Length Undercarriage	750 mm
Standard with Long Undercarriage	900 mm
Optional for Standard Length Undercarriage	900 mm
Optional for Long Undercarriage	750 mm
Number of Shoes - Each Side - Standard Undercarriage	47
Number of Shoes - Each Side - Long Undercarriage	51
Number of Track Rollers - Each Side - Standard Undercarriage	8
Number of Track Rollers - Each Side - Long Undercarriage	9
Number of Carrier Rollers - Each Side	3

Swing Mechanism

Swing Speed	6.2 r/min
Swing Torque	260 kN·m

Drive

Maximum Travel Speed	4.5 km/h
Maximum Drawbar Pull - Standard Undercarriage	592 kN
Maximum Drawbar Pull - Long Undercarriage	591 kN

Hydraulic System

Main System - Maximum Flow - Total	980 l/min
Swing System - Maximum Flow	450 l/min
Maximum Pressure - Equipment - Normal	32000 kPa
Maximum Pressure - Equipment - Heavy Lift	35000 kPa
Maximum Pressure - Travel	35000 kPa
Maximum Pressure - Swing	26000 kPa
Pilot System - Maximum Flow	90 l/min
Pilot System - Maximum Pressure	4100 kPa
Boom Cylinder - Bore	210 mm
Boom Cylinder - Stroke	1967 mm
Stick Cylinder - Bore	220 mm
Stick Cylinder - Stroke	2262 mm
HB Family Bucket Cylinder - Bore	200 mm
HB Family Bucket Cylinder - Stroke	1451 mm
JB Family Bucket Cylinder - Bore	220 mm
JB Family Bucket Cylinder - Stroke	1586 mm

Service Refill Capacities

Fuel Tank Capacity	1240 l
Cooling System	101 l
Engine Oil	80 l
Swing Drive - Each	19 l
Final Drive - Each	21 l
Hydraulic System - Including Tank	995 l
Hydraulic Tank	810 l

Sound Performance

Performance

ANSI/SAE J1166 OCT 98

Standards

Brakes	SAE J1026 APR 90
Cab/FOGS	SAE J1356 FEB 88 ISO 10262

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Net Power - ISO 9249 204 kW

Engine Model Cat C7.1

Engine Power - ISO 14396 205 kW

Bore 105 mm

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