Overview
The Caterpillar 385B is a hydraulic excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 530 hp, operating weight of 185475 lb, working depth of 23.43 ft, reach of 40.30 ft, capacity of 3.9 yd³ and travel speed of 2.8 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 385B against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.
Full Specifications
93 specs
Dimensions
Boom/Stick Option (Hex) 1
Mass Boom 7250mm w/ stick 2900mm
GP Boom 8400mm / Stick 3400mm
4
Ground Clearance
2.92 ft / 0.89 m
Height to Top of Cab
12.34 ft / 3.76 m
Length of Track on Ground
15.10 ft / 4.60 m
Mass Boom 7250mm w/ stick 2900mm
2
Mass Boom 7250mm w/ stick 3400mm
3
Max Cutting Height
41.14 in / 1,045 mm
Max Digging Depth
23.43 ft / 7.14 m
Max Loading Height
26.45 ft / 8.06 m
Max Reach Along Ground
40.30 ft / 12.28 m
Max Vertical Wall Dig Depth
16.65 ft / 5.07 m
Max Vertical Wall Digging Depth
15.25 ft / 4.65 m
Removal Counterweight Clearance
5 lb / 2 kg
Shipping Height Of Unit
15.69 ft / 4.78 m
Shipping Length Of Unit
44.20 in / 1,123 mm
Tail Swing Radius
15.06 ft / 4.59 m
Width To Outside Of Tracks
11.16 ft / 3.40 m
Engine
Bore
5.60 in / 142 mm
Caterpillar 3456 ATAAC
80
Cooling System Fluid Capacity
26.70 gal / 101.1 L
Displacement
964 cu in / 15.8 L
Engine Make
2236
Engine Model
C18 ACERT Technology
Engine Oil Capacity
17.20 gal / 65.1 L
Fuel Capacity
327.60 gal / 1,240.1 L
Gross Power
530 hp / 395.2 kW
Hydraulic Pump Flow Capacity
258.90 gal/min / 980.0 L/min
Hydraulic System Fluid Capacity
262.90 gal / 995.2 L
Hydraulic System Relief Valve Pressure
4,641 psi / 320.0 bar
Maximum Bucket Capacity
7.10 yd³ / 5.43 m³
Net Flywheel Power
513 hp / 382.5 kW
Net Power
530 hp / 395.2 kW
Net Power - Eec 80/1269
513 hp / 382.5 kW
Net Power - Iso 9249
513 hp / 382.5 kW
Net Power - Sae J1349
513 hp / 382.5 kW
Operating Weight
185,475 lb / 84,130 kg
Operating Weight - Long Undercarriage
189,770 lb / 86,078 kg
Operating Weight - Standard Undercarriage
183,940 lb / 83,434 kg
Power Measured @
1,800 rpm
Reference Bucket Capacity
3.90 yd³ / 2.98 m³
Stroke
6.80 in / 173 mm
Swing Drive Fluid Capacity
5.10 gal / 19.3 L
Swing Speed
6.20 deg
Hydraulics
Boom Cylinder - Bore
8.30 in / 211 mm
Boom Cylinder - Stroke
77.40 in / 1,966 mm
Hb Family Bucket Cylinder - Bore
7.90 in / 201 mm
Hb Family Bucket Cylinder - Stroke
57.10 in / 1,450 mm
Jb Family Bucket Cylinder - Bore
8.70 in / 221 mm
Jb Family Bucket Cylinder - Stroke
62.40 in / 1,585 mm
Main System - Maximum Flow - Total
258 gal/min / 976.6 L/min
Maximum Pressure - Equipment - Heavy Lift
5,075 psi / 349.9 bar
Maximum Pressure - Equipment - Normal
4,640 psi / 319.9 bar
Maximum Pressure - Swing
3,770 psi / 259.9 bar
Maximum Pressure - Travel
5,075 psi / 349.9 bar
Pilot System - Maximum Flow
23.80 gal/min / 90.1 L/min
Pilot System - Maximum Pressure
595 psi / 41.0 bar
Stick Cylinder - Bore
8.70 in / 221 mm
Stick Cylinder - Stroke
89.10 in / 2,263 mm
Swing System - Maximum Flow
119 gal/min / 450.5 L/min
Other
Maximum Digging Depth
35.10 ft / 10.70 m
Maximum Reach - Ground Level
51.60 ft / 15.73 m
Brakes
SAE J1026 APR 90
Cab/Fogs
1,356
Cooling System
26.70 gal / 101.1 L
Engine Oil
21.10 gal / 79.9 L
Final Drive - Each
5.5
Fuel Tank Capacity
328 gal / 1,241.6 L
Hydraulic System - Including Tank
263 gal / 995.6 L
Hydraulic Tank
214 gal / 810.1 L
Maximum Drawbar Pull - Long Undercarriage
132,810 lb / 60,242 kg
Maximum Drawbar Pull - Standard Undercarriage
133,030 lb / 60,341 kg
Maximum Travel Speed
2.80 mph / 4.5 km/h
Net Power
530 hp / 395.2 kW
Number Of Carrier Rollers - Each Side
3
Number Of Shoes - Each Side - Long Undercarriage
51
Number Of Shoes - Each Side - Standard Undercarriage
47
Number Of Track Rollers - Each Side - Long Undercarriage
9
Number Of Track Rollers - Each Side - Standard Undercarriage
8
Operating Weight
185,475 lb / 84,130 kg
Optional For Long Undercarriage
30
Optional For Standard Length Undercarriage
36 ft / 10.97 m
Performance
ANSI/SAE J1166 OCT 98
Standard With Long Undercarriage
36
Standard With Standard Length Undercarriage
30 ft / 9.14 m
Swing Drive - Each
5 deg
Undercarriage
Drawbar Pull
133,087 lb / 60,367 kg
Max Travel Speed
2.74 mph / 4.4 km/h
Number Of Carrier Rollers Per Side
3
Number Of Shoes Per Side
47
Number of Track Rollers per Side
8
Shoe Size
25.60 in / 650 mm
Track Gauge
11.52 ft / 3.51 m
Related Machines
Frequently Asked Questions
What is the operating weight of the Caterpillar 385B? +
The Caterpillar 385B has an operating weight of 185,475 lb (84,130 kg). This places it in a class suited for hydraulic excavator applications where ground pressure and transport weight are key considerations.
How powerful is the Caterpillar 385B engine? +
The Caterpillar 385B produces 530 hp (395.2 kW) of engine power. This output is typical for its weight class and designed to handle demanding Hydraulic Excavator work cycles efficiently.
What is the maximum digging depth of the Caterpillar 385B? +
The Caterpillar 385B has a maximum digging depth of 23.43 ft (7.14 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.
What is the maximum reach of the Caterpillar 385B? +
The Caterpillar 385B has a maximum reach along the ground of 40.30 ft (12.28 m), allowing it to work effectively across wide areas without repositioning.
What is the travel speed of the Caterpillar 385B? +
The Caterpillar 385B has a maximum travel speed of 2.8 mph (4.5 km/h), enabling efficient movement between work areas on the job site.
How does the Caterpillar 385B compare to similar Hydraulic Excavator models? +
You can compare the Caterpillar 385B side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.