Category : Excavators ➔ Manufacturer : Komatsu ➔ Model : PC138US-11 ➔
Komatsu PC138US-11 is a compact hydraulic excavator in the 13-ton class, designed for construction, utility, and urban jobsite work. It features a short-tail swing design for operation in confined spaces, a fuel-efficient Komatsu engine, and hydraulic systems tuned for smooth control and digging performance. The PC138US-11 is commonly used for trenching, grading, site preparation, and material handling. Its cab is designed for operator comfort and visibility, while service access supports routine maintenance. As part of Komatsu's excavator lineup, the PC138US-11 balances maneuverability, productivity, and versatility for contractors needing a reduced-radius machine.
Boom/Stick 1
Komatsu PC138US-11 Excavator Boom/Stick 1 specifications
Boom/Stick 1
(Mono Boom) Arm - 2.5 m
Max Cutting Height
30.65 ft (9.34 m)
Max Digging Depth
17.98 ft (5.48 m)
Max Loading Height
22.45 ft (6.84 m)
Max Reach Along Ground
26.84 ft (8.18 m)
Max Vertical Wall Digging Depth
16.08 ft (4.90 m)
Shipping Height Of Unit
9.36 ft (2.85 m)
Shipping Length Of Unit
23.82 ft (7.26 m)
Boom/Stick 2
Komatsu PC138US-11 Excavator Boom/Stick 2 specifications
Boom/Stick 2
(Mono Boom) Arm - 3.0 m
Max Cutting Height
31.83 ft (9.70 m)
Max Digging Depth
19.36 ft (5.90 m)
Max Loading Height
24.12 ft (7.35 m)
Max Reach Along Ground
28.22 ft (8.60 m)
Max Vertical Wall Digging Depth
17.52 ft (5.34 m)
Shipping Height Of Unit
10.54 ft (3.21 m)
Shipping Length Of Unit
23.50 ft (7.16 m)
Boom/Stick 3
Komatsu PC138US-11 Excavator Boom/Stick 3 specifications
Boom/Stick 3
(Two-Piece Boom) Arm - 2.5 m
Max Cutting Height
29.96 ft (9.13 m)
Max Digging Depth
18.64 ft (5.68 m)
Max Loading Height
22.15 ft (6.75 m)
Max Reach Along Ground
27.50 ft (8.38 m)
Max Vertical Wall Digging Depth
14.44 ft (4.40 m)
Shipping Length Of Unit
26.58 ft (8.10 m)
Dimensions
Komatsu PC138US-11 Excavator Dimensions specifications
Ground Clearance
1.30 ft (0.40 m)
Height To Top Of Cab
9.24 ft (2.82 m)
Length Of Track On Ground
11.85 ft (3.61 m)
Removal Counterweight Clearance
2.96 ft (0.90 m)
Tail Swing Radius
4.86 ft (1.48 m)
Width To Outside Of Tracks
8.17 ft (2.49 m)
Engine
Komatsu PC138US-11 Excavator Engine specifications
Aspiration
Turbocharged
Bore
3.80 in (9.65 cm)
Displacement
199.00 cu in (3,261.03 cu cm)
Engine Make
Komatsu
Engine Model
SAA4D95LE-7
Gross Power
97.40 hp (72.63 kw)
Net Power
97.30 hp (72.56 kw)
Number Of Cylinders
4
Power Measured @
2050 rpm
Stroke
4.60 in (11.68 cm)
Operational
Komatsu PC138US-11 Excavator Operational specifications
Engine Oil Capacity
3.10 gal (11.73 l)
Fuel Capacity
52.90 gal (200.23 l)
Hydraulic Pump Flow Capacity
64.00 gpm (242.24 lpm)
Hydraulic System Fluid Capacity
18.30 gal (69.27 l)
Operating Weight
30,600.20 lbs (13,880.03 kg)
Swing Drive Fluid Capacity
0.70 gal (2.65 l)
Swing Mechanism
Komatsu PC138US-11 Excavator Swing Mechanism specifications
Swing Speed
11 rpm
Swing Torque
24,339.60 lbs ft (32,999.63 nm)
Undercarriage
Komatsu PC138US-11 Excavator Undercarriage specifications
Drawbar Pull
27,557.79 lbs (12,500.02 kg)
Max Travel Speed
3.17 mph (5.10 kph)
Number Of Carrier Rollers Per Side
2
Number Of Shoes Per Side
43
Number Of Track Rollers Per Side
8
Shoe Size
19.69 in (50.01 cm)
Track Gauge
6.53 ft (1.99 m)
