Komatsu S4D95 Camshaft 6205-41-1300 reverses chronic Loss of engine power/lift in PC120-5 machine fleets, leveraging a hardened S4D95 Cam Shaft to restore factory-grade valve travel and combustion efficiency

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Excavation-Grade Komatsu S4D95 Camshaft for Industrial Diesel Engine Parts

Addressing the critical performance lag caused by Loss of engine power/lift in Komatsu S4D95 units, this Camshaft (OEM: 6205-41-1300) serves as a robust S4D95 Cam Shaft replacement to restore valve synchronization. As an essential component in our Industrial Diesel Engine Parts wholesale supply, it is engineered to meet the high-torque demands of 95mm bore powerplants operating in extreme construction environments.

Maintaining the precise lift profile of the S4D95 series is vital for ensuring optimal fuel atomization and exhaust scavenging. This component is specifically designed to eliminate the lobe wear common in high-hour machines such as the PC120-5 and PC130-5. By utilizing advanced metallurgy, it provides a cost-effective solution for fleet managers looking to restore engine responsiveness without the expense of a full factory core replacement.

Dimensional Specifications for Camshaft

Engine Model S4D95 / S4D95L / SAA4D95LE
OEM Reference 6205-41-1300
Cross Reference / OEM Numbers
  • 6205411300
  • 6205-41-1301
  • 6207-41-1111 (6-Cylinder version ref)
Application Category Industrial Diesel Engine Parts
Material Type Induction Hardened Alloy Steel
Surface Hardness HRC 52-58 (Lobe Tips)

Technician’s Note: Installation & Inspection

Technician’s Note: Always check the oil pressure at the cam journal before installation. A worn oil pump often causes the S4D95 lobes to lose lift through starvation, and failing to address the lubrication issue will lead to premature pitting on the new 6205-41-1300 cam surface.

PC120-5 Engine Application List

Engine Model Application Field Equipment Models
S4D95 / S4D95L Excavation
  • PC120-5 / PC120-6
  • PC130-5 / PC130-6
  • PC128UU / PC128US
SAA4D95LE Loading & Grading
  • WA120-3 Wheel Loader
  • D21P-7 Dozer

Why Source Industrial Diesel Engine Parts from Ruich Value?

  • Hardness & Durability: Utilizing deep induction hardening (HRC 52+), our camshafts prevent premature lobe flattening and significantly reduce warranty claims for B2B distributors.
  • Dimensional Precision: Every journal is finished with CNC grinding and micropolishing to ensure perfect bearing fitment, saving mechanics extensive time during engine reassembly.
  • Dynamic Balance: Each shaft is 100% dynamically balanced to eliminate vibration at high operating RPMs, protecting the gear train from harmonic stress.
  • Inventory Power: We maintain ready stock for high-demand Komatsu references like 6205-41-1300, enabling faster capital turnover for wholesalers and urgent fleet repair.
  • Export Protection: All units are treated with VCI anti-rust oil and secured in reinforced wooden crates to ensure zero-defect arrival via long-distance sea freight.

Complete Komatsu Camshaft Catalog

Ruich Value maintains a specialized supply of Industrial Diesel Engine Parts for the global heavy equipment market. Our production line covers the full spectrum of Komatsu engines, from mid-sized excavation units to massive mining machinery internals.

Category coverage: Our range features factory-grade valve train components for the 95, 102, 107, 108, 114, 125, 140, and 155 engine series, providing robust timing solutions for construction job sites.

Primary Part NumberCross Ref Part NumbersCompatible Engine ModelCompatible Machine Model
6115-21-22114D130D60A Dozer
6207-41-11116207-41-11106D95PC200-5 Excavator
6735-41-111167354111116D102PC200-6 Excavator
6137-41-112061374111206D108PC300-5 Excavator
6127-41-11036127-41-12206D155D155A Bulldozer
6210-41-10126D140PC600-7 Excavator
6150-41-101261504110126D125PC400-6 Excavator
6745-41-11106D114PC300-7 Excavator
6222-21-22106D110PC220-3 Excavator
6754-41-11706D107PC200-8 Excavator
6137-41-112061374111206D105PC200-3 Excavator
YM129900-14580129900-145804D94SFD25 Forklift
6144-41-1110S4D94PC60-7 Excavator
6205-41-13006205411300S4D95PC120-5 Excavator
6732-41-11116732411111S4D102 / B3.3PC128UU Excavator
6207-41-11116207411111S6D95PC200-5 Excavator
6735-41-11116735411111S6D102PC220-6 Excavator
6222-41-11106222411110S6D108PC300-6 Excavator
6150-41-10126151-41-1010S6D125D85P Dozer
6128-41-11016127-41-1102S6D155D355A Bulldozer
6118-41-1110YM123900-145806D106PC130-6 Excavator

View all specs in our Komatsu Industrial Camshaft Catalog.

Or explore our complete Komatsu Industrial Diesel Engine Parts Catalog

Technical Q&A: Komatsu S4D95 Camshaft

Q: Can this 4-cylinder camshaft be used in the 6D95 engine?

A: No. While they share the same bore diameter (95mm), the S4D95 (6205-41-1300) is a 4-cylinder shaft and is physically shorter than the 6-cylinder 6D95 version. Always verify your engine code before ordering from Ruich Value.

Q: Does the camshaft include the woodruff key for the timing gear?

A: Our standard supply is the bare camshaft. However, we can supply the timing gear and key as a complete wholesale kit for fleet customers looking to minimize assembly downtime.

Q: How do I know if my camshaft has lost lift?

A: Compare the lobe height against the service manual specifications using a micrometer. If the lift is below the minimum limit, it will cause the “Loss of engine power/lift” symptoms common in high-hour PC120-5 machines.

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Note: Customized/billet development based on drawings or samples is also available for high-performance or obsolete engine applications.

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