Komatsu · Hydraulic Excavator

Komatsu H655S Specs

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Komatsu

Overview

The Komatsu H655S 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 3,731 hp, operating weight of 1,510,167 lb, working depth of 29.53 ft, reach of 67.26 ft, travel speed of 1.3 mph and fuel capacity of 2,905.9 gal. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Komatsu H655S against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
1,510,166.60
lb

Gross Power
3,730.80
hp

Max Digging Depth
29.53
ft

Full Specifications

30 specs

Dimensions

Boom/Stick Option (Hex) 1 Boom 39'4" (12000mm)/Stick 17'7" (5350mm)

Ground Clearance 3.76 ft / 1.15 m

Height to Top of Cab 31.12 ft / 9.49 m

Length of Track on Ground 26.25 ft / 8.00 m

Max Cutting Height 63 in / 1,600 mm

Max Digging Depth 29.53 ft / 9.00 m

Max Loading Height 42 in / 1,067 mm

Max Reach Along Ground 67.26 ft / 20.50 m

Max Vertical Wall Digging Depth 4.93 ft / 1.50 m

Removal Counterweight Clearance 12 lb / 5 kg

Shipping Height Of Unit 41.02 in / 1,042 mm

Shipping Length Of Unit 76.45 in / 1,942 mm

Tail Swing Radius 28.55 ft / 8.70 m

Width To Outside Of Tracks 25.60 ft / 7.80 m

Engine

Displacement 8,421 cu in / 138.0 L

Engine Make 2236

Engine Model 3516DI-TA x 2

Fuel Capacity 2,905.90 gal / 11,000.0 L

Gross Power 3,731 hp / 2,782.1 kW

Hydraulic Pump Flow Capacity 1,902.10 gal/min / 7,200.2 L/min

Hydraulic System Fluid Capacity 2,205.90 gal / 8,350.2 L

Hydraulic System Relief Valve Pressure 4,495 psi / 309.9 bar

Number of Cylinders 16

Operating Weight 1,510,167 lb / 685,000 kg

Power Measured @ 1,800 rpm

Swing Speed 3.50 deg

Undercarriage

Ground Pressure 35 psi / 2.4 bar

Max Travel Speed 1.31 mph / 2.1 km/h

Shoe Size 59.06 in / 1,500 mm

Track Gauge 20.67 ft / 6.30 m

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Frequently Asked Questions

What is the operating weight of the Komatsu H655S? +

The Komatsu H655S has an operating weight of 1,510,167 lb (685,000 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 Komatsu H655S engine? +

The Komatsu H655S produces 3,731 hp (2,782.1 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 Komatsu H655S? +

The Komatsu H655S has a maximum digging depth of 29.53 ft (9.00 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Komatsu H655S? +

The Komatsu H655S has a maximum reach along the ground of 67.26 ft (20.50 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Komatsu H655S? +

The Komatsu H655S has a maximum travel speed of 1.3 mph (2.1 km/h), enabling efficient movement between work areas on the job site.

How does the Komatsu H655S compare to similar Hydraulic Excavator models? +

You can compare the Komatsu H655S 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.