Komatsu H455S Crawler Excavator Specs

The Komatsu H455S crawler excavator produced in 1998-2005, is listed with an operating weight of 1,080,265 lb (490 t), engine power of 2,253 hp (1,680 kW), a bucket capacity of 39.24 yd³ (30 m³) and a maximum digging depth of 26.2 ft (8 m).

Komatsu Crawler Excavator Specifications

Crawler Excavator • 1998-2005 • KTTA38-C

Weight: 1,080,265 lb (490 t)Power: 2,253 hp (1,680 kW)Bucket: 39.24 yd³ (30 m³)Dig depth: 26.2 ft (8 m)

Key specifications

1,080,265 lb (490 t)Operating weight
2,253 hp (1,680 kW)Engine power
39.24 yd³ (30 m³)Bucket capacity
26.2 ft (8 m)Digging depth
49.2 ft (15 m)Horizontal reach
285,507 lbf (1,270 kN)Tear-out force
51.2 in (1,300 mm)Track width
1998-2005Years

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

26.2 ft

Reach

49.2 ft

Transport dimensions
Length

29.9 ft

Width

24.9 ft

Height

28.7 ft

Model spec snapshot
Main numeric specifications for this excavator.
1,080,265 lbWeight
2,253 hpPower
39.24 yd³Bucket
285,507 lbfTear-out

How the Komatsu H455S compares

Comparison is against Komatsu crawler excavators in the same broad operating-weight class where enough comparable data exists.

Engine power
2,253 hp
20% above avg
72nd percentile
Bucket capacity
39.24 yd³
13% above avg
64th percentile
Digging depth
26.2 ft
3% above avg
39th percentile
Horizontal reach
49.2 ft
16% below avg
8th percentile
Engine power2,253 hp
Low 453 hpAverage 1,876 hpHigh 3,912 hp

About 20% above the peer average.

Bucket capacity39.24 yd³
Low 15.09 yd³Average 34.68 yd³High 57.97 yd³

About 13% above the peer average.

Digging depth26.2 ft
Low 10.1 ftAverage 25.4 ftHigh 33.9 ft

About 3% above the peer average.

Horizontal reach49.2 ft
Low 47 ftAverage 58.4 ftHigh 69 ft

About 16% below the peer average.

Tear-out force285,507 lbf
Low 139,966 lbfAverage 272,931 lbfHigh 452,037 lbf

About 5% above the peer average.

This model Peer average

Crawler excavator information

Manufacturer Komatsu
Model H455S
Years of manufacture 1998-2005
Model series H
Undercarriage LCV
Boom MB

Operating specifications

Operating weight 1,080,265 lb (490 t)
Bucket capacity 39.24 yd³ (30 m³)
Bucket width 14.4 ft (4.4 m)
Maximum digging depth 26.2 ft (8 m)
Maximum horizontal reach 49.2 ft (15 m)
Tear-out force 285,507 lbf (1,270 kN)

Engine and emissions

Engine manufacturer Komatsu
Engine model KTTA38-C
Engine power 2,253 hp (1,680 kW)
Displacement 2,319 cu in (38 L)
Cylinders 12
Cylinder bore × stroke 6.26 × 6.26 in (159 × 159 mm)
RPM at maximum torque 1800 rpm
Diesel particulate filter No

Dimensions and transport

Transport length 29.9 ft (9.1 m)
Transport width 24.9 ft (7.6 m)
Transport height 28.7 ft (8.74 m)
Track width 51.2 in (1,300 mm)

Equipment and features

Air conditioning No
Blade No
Cabin adjustment No
Material handling excavator No
Overload alert No
Hydraulic quick hitch No
Mechanical quick hitch No
Track adjustment No

Disclaimer: Specifications should be verified against the official machine documentation and confirmed on the Komatsu USA website.