The Komatsu PC128US-1 crawler excavator produced in 1998-2005, is listed with an operating weight of 27,999 lb (12.7 t), engine power of 86 hp (64 kW), a bucket capacity of 0.88 yd³ (0.67 m³) and a maximum digging depth of 17.9 ft (5.45 m).
Komatsu Crawler Excavator Specifications
Crawler Excavator • 1998-2005 • S4D102E
Weight: 27,999 lb (12.7 t)Power: 86 hp (64 kW)Bucket: 0.88 yd³ (0.67 m³)Dig depth: 17.9 ft (5.45 m)
Key specifications
27,999 lb (12.7 t)Operating weight
86 hp (64 kW)Engine power
0.88 yd³ (0.67 m³)Bucket capacity
17.9 ft (5.45 m)Digging depth
26.5 ft (8.09 m)Horizontal reach
19.7 in (500 mm)Track width
1998-2005Years
Useful excavator charts
Charts appear only when enough usable specifications are available.
Digging geometry
Dig depth
17.9 ft
Reach
26.5 ft
Transport dimensions
Length
25.7 ft
Width
8.1 ft
Height
9.1 ft
Model spec snapshot
Main numeric specifications for this excavator.
27,999 lbWeight
86 hpPower
0.88 yd³Bucket
How the Komatsu PC128US-1 compares
Comparison is against Komatsu crawler excavators in the same broad operating-weight class where enough comparable data exists.
Engine power
86 hp
17% below avg
23rd percentile
Bucket capacity
0.88 yd³
29% below avg
41st percentile
Digging depth
17.9 ft
8% below avg
26th percentile
Horizontal reach
26.5 ft
6% below avg
26th percentile
Engine power86 hp
Low 79 hpAverage 104 hpHigh 130 hp
About 17% below the peer average.
Bucket capacity0.88 yd³
Low 0.49 yd³Average 1.24 yd³High 1.83 yd³
About 29% below the peer average.
Digging depth17.9 ft
Low 14.4 ftAverage 19.4 ftHigh 26.1 ft
About 8% below the peer average.
Horizontal reach26.5 ft
Low 20.3 ftAverage 28.3 ftHigh 35.9 ft
About 6% below the peer average.
This model Peer average
Crawler excavator information
Manufacturer
Komatsu
Model
PC128US-1
Years of manufacture
1998-2005
Model series
PC
Undercarriage
SL
Boom
MB
Operating specifications
Operating weight
27,999 lb (12.7 t)
Bucket capacity
0.88 yd³ (0.67 m³)
Bucket width
3.5 ft (1.07 m)
Maximum digging depth
17.9 ft (5.45 m)
Maximum horizontal reach
26.5 ft (8.09 m)
Engine and emissions
Engine manufacturer
Komatsu
Engine model
S4D102E
Engine power
86 hp (64 kW)
Displacement
239 cu in (3.9 L)
Cylinders
4
Cylinder bore × stroke
4.02 × 4.72 in (102 × 120 mm)
RPM at maximum torque
2200 rpm
Diesel particulate filter
No
Dimensions and transport
Transport length
25.7 ft (7.83 m)
Transport width
8.1 ft (2.46 m)
Transport height
9.1 ft (2.77 m)
Track width
19.7 in (500 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.
