Komatsu · Hydraulic Excavator

Komatsu H255S Specs

/5 · ratings Be the first to rate ✓ Thanks!

Komatsu

Overview

The Komatsu H255S 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 1,207 hp, operating weight of 529,110 lb, working depth of 28.55 ft, reach of 49.55 ft, travel speed of 1.5 mph and fuel capacity of 977.5 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 H255S against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
529,109.50
lb

Gross Power
1,207
hp

Max Digging Depth
28.55
ft

Full Specifications

30 specs

Dimensions

Boom/Stick Option (Hex) 1 Boom 26'9" (8150mm)/Stick 13'11" (4250mm)

Ground Clearance 2.93 ft / 0.89 m

Height to Top of Cab 25.81 ft / 7.87 m

Length of Track on Ground 19.69 ft / 6.00 m

Max Cutting Height 48.23 in / 1,225 mm

Max Digging Depth 28.55 ft / 8.70 m

Max Loading Height 31.17 ft / 9.50 m

Max Reach Along Ground 49.55 ft / 15.10 m

Max Vertical Wall Digging Depth 6.57 ft / 2.00 m

Removal Counterweight Clearance 9 lb / 4 kg

Shipping Height Of Unit 29.86 ft / 9.10 m

Shipping Length Of Unit 54.14 in / 1,375 mm

Tail Swing Radius 21.25 ft / 6.48 m

Width To Outside Of Tracks 18.38 ft / 5.60 m

Engine

Displacement 2,288 cu in / 37.5 L

Engine Make 2347

Engine Model K1500E

Fuel Capacity 977.50 gal / 3,700.2 L

Gross Power 1,207 hp / 900.1 kW

Hydraulic Pump Flow Capacity 713.30 gal/min / 2,700.1 L/min

Hydraulic System Fluid Capacity 766.10 gal / 2,900.0 L

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

Number of Cylinders 12

Operating Weight 529,110 lb / 240,000 kg

Power Measured @ 1,800 rpm

Swing Speed 4.60 deg

Undercarriage

Ground Pressure 32 psi / 2.2 bar

Max Travel Speed 1.50 mph / 2.4 km/h

Shoe Size 31.50 in / 800 mm

Track Gauge 15.75 ft / 4.80 m

Related Machines

Related Guides & Articles

Apr 16, 2026

Hydraulic Excavator Boom Types: Solving Site-Specific Challenges

Read article →

Apr 18, 2026

Hydraulic Excavator Fuel Consumption: Operator Insights

Read article →

Apr 26, 2026

Mining Shovel vs Hydraulic Excavator: Spec-Driven Comparison

Read article →

Frequently Asked Questions

What is the operating weight of the Komatsu H255S? +

The Komatsu H255S has an operating weight of 529,110 lb (240,000 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 H255S engine? +

The Komatsu H255S produces 1,207 hp (900.1 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 H255S? +

The Komatsu H255S has a maximum digging depth of 28.55 ft (8.70 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Komatsu H255S? +

The Komatsu H255S has a maximum reach along the ground of 49.55 ft (15.10 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Komatsu H255S? +

The Komatsu H255S has a maximum travel speed of 1.5 mph (2.4 km/h), enabling efficient movement between work areas on the job site.

How does the Komatsu H255S compare to similar Hydraulic Excavator models? +

You can compare the Komatsu H255S 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.