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Komatsu PC128US-2, PC138US-2, PC138USLC-2E0 Hydraulic Excavator repair manual

Price: 29.99 USD
File specifications
File size: 121.43 MB
File ending in: zip
Estimated download time: 2.49 Minutes
Specs and Product-Details:
Production years: all years
Models: PC128US-2 PC138US-2 PC138USLC-2E0, AVANCE, GALEO / Komatsu Limited
Engine specs (PC128US-2): S4D102E, 239.3 cu in, 4 cylinders, turbocharged 85.9 hp, 2200 rpm.
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PC27R-8 DELUXE / Komatsu Limited Engine specs: 3D82AE-3FA, 29.4hp/26hp, 3 cylinders, 81.2cu in, 1600rpm, 60.2lb ft. Production years (depending on model): 1999, 2000, 2001, 2002,
29.99 USD

Engine specs (PC138US-2): SAA4D95LE-3, 199 cu in, 4 cylinders, 88 hp, turbocharged with aftercooler, 2200 rpm.
Engine specs (PC138USLC-2E0): SAA4D95LE-5, 199 cu in, 4 cylinders, 91.2 hp/96.6 hp, 2200 rpm.
Production years (depending on model): 2004, 2005, 2006, 2007
Serial numbers: 4501 AND UP, 7731 AND UP, 5001-7730
Manual Language: English
Manual format: PDF
Printable: Yes
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PC15-3, PC20-7 / Komatsu Limited Engine specs (PC10-7): 3D78N, 1.2 ltr, 15.4{21}/2500 kW(PS)/rpm, Engine specs (PC15-3): see manual. Engine specs (PC20-7): 3D84, 20 kW,
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15 interesting tech specs about the Komatsu PC128US-2, PC138US-2, PC138USLC-2E0 Excavator:
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/ Komatsu Limited Engine model/specs: SA4D102E-1, 239.3cu in, 4 cylinders, turbocharged, 110hp, 105hp, 2250rpm. Serial numbers: k30545 and up, K32001 and up, K34001 and up,
29.99 USD


1. Engine Make & Model: Komatsu SAA4D95LE-5, turbocharged diesel engine.
2. Engine Output: The PC128US-2 has an output of 68.5 horsepower, while the PC138US-2 and PC138USLC-2E0 have an output of 78 horsepower.
3. Operating Weight: The PC128US-2 has an operating weight of 27,560 lbs, the PC138US-2 has an operating weight of 28,660 lbs, and the PC138USLC-2E0 has an operating weight of 29,140 lbs.
4. Max Digging Depth: The PC128US-2 has a max digging depth of 12 feet 6 inches, the PC138US-2 has a max digging depth of 12 feet 11 inches, and the PC138USLC-2E0 has a max digging depth of 13 feet 7 inches.
5. Max Reach: The PC128US-2 has a max reach of 22 feet 9 inches, the PC138US-2 has a max reach of 23 feet 4 inches, and the PC138USLC-2E0 has a max reach of 24 feet 6 inches.
6. Max Dumping Height: The PC128US-2 has a max dumping height of 17 feet 5 inches, the PC138US-2 has a max dumping height of 18 feet, and the PC138USLC-2E0 has a max dumping height of 18 feet 3 inches.
7. Arm Digging Force: The PC128US-2 has an arm digging force of 10,600 lbs, the PC138US-2 has an arm digging force of 11,200 lbs, and the PC138USLC-2E0 has an arm digging force of 11,400 lbs.
8. Bucket Digging Force: The PC128US-2 has a bucket digging force of 13,500 lbs, the PC138US-2 has a bucket digging force of 14,500 lbs, and the PC138USLC-2E0 has a bucket digging force of 15,500 lbs.
9. Max Travel Speed: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a max travel speed of 2.3 miles per hour.
10. Counterweight Clearance: The PC128US-2 has a counterweight clearance of 2 feet 11 inches, the PC138US-2 has a counterweight clearance of 3 feet 3 inches, and the PC138USLC-2E0 has a counterweight clearance of 3 feet 5 inches.
11. Track Length on Ground: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a track length on ground of 8 feet 7 inches.
12. Shoe Width: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a shoe width of 17 inches.
13. Hydraulic System: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a closed-center, load-sensing hydraulic system with a main pump capacity of 49.5 gallons per minute.
14. Fuel Tank Capacity: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a fuel tank capacity of 47 gallons.
15. Cab Comfort: The PC128US-2, PC138US-2 and PC138USLC-2E0 have a spacious, quiet and well-ventilated cab with ample legroom and storage space.

The Komatsu PC128US-2, PC138US-2, and PC138USLC-2E0 hydraulic excavators are popular models for various construction and demolition projects. To ensure proper operation, regular repair, service, maintenance, overhaul, and troubleshooting are necessary. A manual is available for each model, which provides detailed instructions and information on how to repair and maintain the excavator.

One of the important components to regularly check is the swing arm. This component is responsible for supporting the boom and enabling the machine to rotate. To keep it functioning properly, it is recommended to lubricate the swing arm regularly and check for any signs of wear or damage. In case of damage, the swing arm can be repaired or replaced with the help of the parts list found in the manual.

The exhaust system of the Komatsu excavator is also important to maintain. This system helps to control emissions and improve performance. It is recommended to inspect the system regularly and replace any damaged or worn components as listed in the parts list.

In addition to the swing arm and exhaust system, the engine is a crucial component of the excavator. Regular oil changes and maintenance of the battery can improve the performance of the engine and extend its lifespan. In case of any engine issues, the manual provides information on how to troubleshoot the problem and perform repairs.

If the KOMTRAX telematics system is installed, it can provide valuable information about the excavator's performance and help diagnose any problems. Regular maintenance of the hydraulic system is also important to ensure smooth operation of the excavator. The manual provides detailed instructions on how to perform hydraulic system maintenance and repair.

Overall, proper repair, service, maintenance, overhaul, and troubleshooting of the Komatsu PC128US-2, PC138US-2, and PC138USLC-2E0 hydraulic excavators can ensure reliable and efficient operation. The manual, which is available in pdf format, provides all the necessary information to perform these tasks.




Price: 29.99 USD