Komatsu PC138US-8 Excavator Specs

Category: Excavators ➔
Manufacturer: Komatsu ➔
Model: PC138US-8 ➔

The Komatsu PC138US-8 Excavator is a powerful and compact machine designed for efficiency on the job site. With a ground clearance of 1.3 feet and dimensions tailored for versatility, this excavator is ideal for various applications. Equipped with a 96.6 horsepower engine and an operating weight of 30,540 pounds, the PC138US-8 offers impressive performance capabilities. Its innovative features, such as swing speed of 11 rpm and max travel speed of 3.2 mph, ensure smooth operation and enhanced productivity. This excavator is a reliable choice for construction and excavation tasks, delivering top-notch performance in a compact package.

Brakes

Komatsu PC138US-8 Excavator Brakes specifications
Parking Brake	Wet, multiple-disc
Service Brake	Hydraulic lock

Capacities

Komatsu PC138US-8 Excavator Capacities specifications
Engine Oil	3.00 gal (11.36 l)
Final Drive	0.60 gal (2.27 l)
Fuel Tank	51.60 gal (195.31 l)
Hydraulic	18.30 gal (69.27 l)
Radiator	3.30 gal (12.49 l)
Swing Drive	0.70 gal (2.65 l)

Dimensions

Komatsu PC138US-8 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)
Overall Height	9.36 ft (2.85 m)
Overall Length	23.82 ft (7.26 m)
Overall Track Width	8.17 ft (2.49 m)
Removal Counterweight Clearance	2.96 ft (0.90 m)
Tail Swing Radius	4.86 ft (1.48 m)
Track Gauge	6.53 ft (1.99 m)
Track Length On Ground	9.45 ft (2.88 m)
Width To Outside Of Tracks	8.17 ft (2.49 m)

Driveline

Komatsu PC138US-8 Excavator Driveline specifications
Drawbar Pull, Maximum (Kg)	12500
Gradeability	70 %
Travel Speed	2.9/5.1

Engine

Komatsu PC138US-8 Excavator Engine specifications
Air Cleaner	Dry-type with double elements and auto dust evacuator, plus dust indicator
Alternator	35 A/24 V amps
Aspiration	Turbocharged, and air-to-air aftercooled
Battery	64 Ah/2 x 12 V
Bore And Stroke	95 mm x 115 mm 3.74\" x 4.53\"
Displacement	199.00 cu in (3,261.03 cu cm)
Engine Make	2238
Engine Model	SAA4D95LE-5
Engine Type	Water-cooled,4-cycle
Fan Drive Type	Mechanical
Fuel System	Direct injection
Governor	All-speed control, electronic
Gross Power	96.60 hp (72.04 kw)
Horsepower, Gross-Sae J1995	96.70 hp (72.11 kw)
Horsepower, Net-Iso 9249	91.80 hp (68.46 kw)
Horsepower, Net-Sae J1349	91.80 hp (68.46 kw)
Lubrication System	Method- Gear pump, force-lubrication; Filter-Full-flow
Net Power	91.70 hp (68.38 kw)
Number Of Cylinders	4
Power Measured @	2200 rpm
Starter Motor	4.5 kW/24 V

Hydraulic System

Komatsu PC138US-8 Excavator Hydraulic System specifications
Economy Sub-Mode Selections	4
Hydraulic Motor (Swing)	1 x piston motor with swing holding brake
Hydraulic Motor (Travel)	2 x piston motor with parking brake
Hydraulic System Type	HydrauMind System
Main Pump Type	Variable displacement, axial piston
Maximum Flow Rate	63.80 gpm (241.48 lpm)
Selectable Work Modes	5

Operational

Komatsu PC138US-8 Excavator Operational specifications
Arm Crowd Force – Iso	6300
Arm Size	8.30 ft (2.53 m)
Arm Type	Standard
Boom Size	15.10 ft (4.60 m)
Boom Type	Standard
Bucket Crowd Force – Iso	9500
Bucket Size – Kga Standard Gp	0.7 cu yd
Cooling System Fluid Capacity	3.30 gal (12.49 l)
Digging Depth – Maximum	18.00 ft (5.49 m)
Digging Reach – Maximum	27.30 ft (8.32 m)
Engine Oil Capacity	2.90 gal (10.98 l)
Fuel Capacity	51.50 gal (194.93 l)
Hydraulic System Fluid Capacity	18.20 gal (68.89 l)
Maximum Reach @ Ground Level	26.90 ft (8.20 m)
Operating Weight	30,540.00 lbs (13,852.73 kg)
Swing Drive Fluid Capacity	0.70 gal (2.65 l)
Swing Radius	4.90 ft (1.49 m)

Swing Mechanism

Komatsu PC138US-8 Excavator Swing Mechanism specifications
Swing Speed	11 rpm

Swing System

Komatsu PC138US-8 Excavator Swing System specifications
Driven By	Hydraulic motor
Swing Circle Lubrication	Grease-bathed
Swing Lock	Wet, multiple-disc brake
Swing Reduction	Planetary gear

Undercarriage

Komatsu PC138US-8 Excavator Undercarriage specifications
Centre Frame	X-frame
Drawbar Pull	27,560.00 lbs (12,501.02 kg)
Max Travel Speed	3.20 mph (5.15 kph)
Number Of Carrier Rollers Per Side	1
Number Of Shoes (Each Side)	43
Number Of Shoes Per Side	43
Number Of Track Rollers Per Side	7
Seal Of Track	Sealed track
Shoe Size	19.69 in (50.01 cm)
Shoe Type	triple grouser
Track Adjuster	Hydraulic
Track Frame	Box-section

Weights

Komatsu PC138US-8 Excavator Weights specifications
Bucket Weight - Kga Gp	992.10 lbs (450.01 kg)
Operating Weight	30,534.10 lbs (13,850.05 kg)
Quick Hitch Weight – Kga	392.50 lbs (178.04 kg)

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