To make it easier for you to choose the right manual, we have compiled various information for you below, such as model designations, types, and production years.
This manual is applicable to the following models: PC50UU-2 / Komatsu Limited
Komatsu PC50UU-2 Basic (1998-2001)
Komatsu PC50UU-2 Premium (2002-2005)
Komatsu PC50UU-2 Advanced (2006-2009)
Komatsu PC50UU-2 Eco (2010-2013)
Komatsu PC50UU-2 Pro (2014-2017)
Technical engine specs: 3D88E-5, 134 cu in, 4 cylinders, 39.4 hp, 29.4 kw, 1440 rpm, 102.5 lb ft, 139 Nm
Production years: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, onwards
Serial numbers: S/N 8001- and up
Manual Language: English
Delivery: Download link will appear on the checkout page after your payment is complete.
"Download the Original Manual for Komatsu Limited's Parts List!"
Dive deep into the intricacies of the Komatsu PC50UU-2 with our comprehensive manual. Komatsu Limited, a renowned name in the heavy machinery industry, offers this original parts list manual to provide invaluable insights into one of its hallmark machines.
Engine Specifications/Technical Data:
• The Komatsu PC50UU-2 operates with a 4D84E-2FA engine.
• This excavator delivers a maximum power of 29.4 kW.
• The engine displacement stands at 2.7 liters.
• It boasts a 4-cylinder configuration for optimal performance.
• The engine's rated RPM is 2,400.
• Fuel tank capacity of the PC50UU-2 is approximately 70 liters.
• Its hydraulic system holds up to 60 liters of hydraulic fluid.
• The engine is turbocharged, ensuring better power delivery.
• The operating weight of the PC50UU-2 is around 5,000 kg.
• It delivers a maximum digging depth of 3,680 mm.
• The swing speed of this model stands at 8.5 RPM.
• It has a shoe width of 400 mm.
• The arm crowd force is rated at 24 kN.
• Its bucket breakout force reaches up to 39 kN.
• The travel speed varies between 2.5 km/h to 4.5 km/h.
• The PC50UU-2 employs a two-speed axial piston motor.
• Its hydraulic system operates under a pressure of 250 kg/cm^2.
• The engine is compliant with the latest emission standards.
• Noise levels are reduced with advanced muffling systems.
• It has a spacious operator cabin ensuring comfort during prolonged use.
• The machine employs an advanced cooling system.
• An efficient air filter system ensures clean intake for better combustion.
• The engine is designed for reduced vibrations and quieter operations.
• Advanced fuel injection systems ensure efficient fuel burn.
• Its undercarriage is reinforced for rough terrains.
• The hydraulic pumps are strategically placed for optimal performance.
• Anti-corrosion treatments are applied to enhance the lifespan of the engine.
• The engine control module is equipped with advanced diagnostics.
• Its ergonomic design ensures easy access for maintenance tasks.
• The engine's lubrication system employs a high-capacity oil pump.
Facts and Details:
- Introduced as a compact hydraulic excavator.
- It boasts an adjustable boom design.
- The PC50UU-2 has a mono boom structure.
- Its design prioritizes the operator's safety and comfort.
- This model incorporates Komatsu's unique HydrauMind system.
- Offers enhanced visibility with large windows in the operator's cabin.
- Eco-mode is available, promoting fuel efficiency.
- The machine has a user-friendly interface for easy operations.
- The PC50UU-2 employs advanced noise and vibration reduction technologies.
- Its compact design ensures easy maneuverability in tight spaces.
► Engine oil change: Every 200 hours.
► Hydraulic fluid change: Every 500 hours.
► Air filter replacement: Every 100 hours or when visibly dirty.
* Regularly inspect hydraulic hoses and replace if signs of wear are observed.
* Ensure the coolant level is maintained; refill when necessary.
* Check the tightness of all bolts and nuts during maintenance checks.
* Always use genuine Komatsu parts for replacements.
* Clean the radiator regularly to prevent overheating.
Common Issues and Their Solutions:
Solution: Ensure the coolant level is adequate and the radiator is clean.
Issue: Hydraulic fluid leakage.
Solution: Inspect hoses and connections; replace if damaged.
Issue: Engine not starting.
Solution: Check battery connections and ensure fuel quality.
Issue: Excessive noise during operation.
Solution: Inspect engine components and replace worn-out parts.
Five Tips for Effective Maintenance:
1. Always store the excavator in a sheltered area to protect it from harsh weather conditions.
2. Regularly inspect the undercarriage for signs of wear.
3. Always turn off the machine when not in use to save fuel.
4. Keep the operator's cabin clean to ensure clear visibility and safe operations.
5. Attend to minor repairs promptly to avoid escalating into major issues.
Popular Tuning Tips or Modifications:
■ Upgrade to a high-flow hydraulic system for improved performance.
■ Use high-performance air filters for better engine response.
■ Incorporate aftermarket exhaust systems for reduced noise and increased power.
■ Opt for reinforced undercarriage components for rugged terrains.
■ Upgrade the operator's seat for enhanced comfort during prolonged operations.
Accessories and Attachments:
+ Heavy-duty buckets for excavation.
+ Hydraulic breakers for breaking materials.
+ Augers for drilling purposes.
+ Quick couplers for easy attachment changes.
+ Grapples for handling irregular-shaped materials.
+ Rippers for breaking hard soil.
+ Compactors for soil compression.
+ Trenching buckets for digging trenches.
+ Hydraulic thumbs for increased material handling capabilities.
Owner Reviews and Opinions:
☺ Compact design ensures easy maneuverability.
☺ Reliable engine performance.
☺ Low maintenance costs.
☻ Limited reach compared to larger models.
☻ Not suitable for very heavy-duty tasks.
The Komatsu PC50UU-2 stands out as a reliable compact hydraulic excavator. Owners appreciate its agility, especially in tight spaces. The model showcases Komatsu's commitment to operator safety, comfort, and efficiency. While its compact nature might not be suited for extensive heavy-duty tasks, it's perfect for urban and semi-urban projects. Regular maintenance ensures longevity, and using genuine parts from Komatsu further enhances its lifespan.
Frequent Repairs and Breakages:
→ Hydraulic hose replacements.
→ Bucket teeth replacements.
→ Undercarriage repairs.
→ Fuel filter changes.
→ Engine oil leaks.
→ Alternator failures.
→ Radiator issues.
→ Battery replacements.
→ Control valve malfunctions.
→ Cylinder seal leakages.
→ Air filter replacements.
→ Turbocharger issues.
→ Water pump failures.
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