OEM 6205-41-1300 camshaft for Komatsu S4D95 3.3L 4-cylinder engines. HRC 52-58 alloy steel. Fits PC120-5, PC130-6, WA120-3. Stock ready for shipment.
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Premium alloy steel camshaft for Komatsu S4D95 and S4D95L 4-cylinder engines.
Features deep induction hardened lobe tips (HRC 52-58) and CNC ground journals to prevent camshaft lift loss on compact utility fleets.
OEM: 6205-41-1300 | Cross-reference: 6205-41-1301. Fits Komatsu PC120-5 and PC130-6 excavators.
Stock ready for shipment.
The Komatsu S4D95 and S4D95L engine series represents a highly robust 3.3L 4-cylinder diesel platform (3,260 cc) widely trusted across PC120-5/6, PC130-5/6, and PC128UU utility excavators, WA120-3 compact loaders, and D21P-7 dozers. At the mechanical core of this inline-4 OHV pushrod timing system is the precision-engineered Komatsu S4D95 camshaft (OEM 6205-41-1300, cross-reference 6205-41-1301, 6205411300), which regulates critical valve timing events. Unlike larger 6-cylinder variants like the S6D95 camshaft (which utilizes the 6207-41-1111 camshaft), this 4-cylinder camshaft is structurally shorter with a distinct firing order (1-3-4-2). Under high-frequency, light-to-medium utility construction duties, common valve train failure modes include camshaft lift loss (lobe flattening) and timing gear keyway wear affecting the woodruff key. To eliminate these premature failures and restore factory volumetric efficiency, each dynamically balanced alloy steel camshaft is CNC ground and finished with high-precision tolerances. The lobe tips are processed with specialized induction hardening to achieve an elite HRC 52-58 camshaft hardness, protecting all Komatsu S4D95 engine parts rebuilds. Rebuilders must check the camshaft timing gear backlash (standard: 0.030 to 0.120 mm) and inspect the solid lifters / followers during any major S4D95L camshaft overhaul.
| Parameter | Value |
|---|---|
| Engine Code | Komatsu S4D95 / S4D95L / SAA4D95LE (3.26L) |
| Configuration | Inline-4 Cylinders, 8 Valves SOHC OHV |
| Engine Cylinder Bore | 95.0 mm |
| Valve Clearance (Cold) | Intake: 0.35 mm | Exhaust: 0.50 mm |
| Camshaft Thrust Play | 0.050 – 0.220 mm (Wear Limit: 0.30 mm) |
| Timing Gear Backlash | 0.030 – 0.120 mm |
| Material Spec | Induction Hardened Alloy Steel (alloy steel camshaft) |
| Hardness Treatment | Induction Hardened Lobes (HRC 52-58 camshaft) |
| Primary OEM Number | 6205-41-1300 |
| Interchange References | 6205-41-1301, 6205411300 |
Our Komatsu engine components catalog covers the full light-duty and heavy-duty inline families, from the 2.8L 4D94E and 3.3L S4D95 to the massive 11.0L SAA6D125 and 15.2L S6D155 lines. Explore our complete range of Komatsu diesel engine parts by visiting our Komatsu Brand Hub or browse other specialized brands in our main Komatsu Camshaft Category.
6205-41-1300, 6205411300 Replacement, Komatsu PC120 Parts, Komatsu S4D95 Camshaft, PC120-5 Cam, S4D95 Cam Shaft
| Primary Part Number | Cross Ref Part Numbers | Compatible Engine Model | Compatible Machine Model |
|---|---|---|---|
| 6115-21-2211 | 4D130 | D60A Dozer | |
| 6207-41-1111 | 6207-41-1110 | 6D95 | PC200-5 Excavator |
| 6735-41-1111 | 6735411111 | 6D102 | PC200-6 Excavator |
| 6137-41-1120 | 6137411120 | 6D108 | PC300-5 Excavator |
| 6127-41-1103 | 6127-41-1220 | 6D155 | D155A Bulldozer |
| 6210-41-1012 | 6D140 | PC600-7 Excavator | |
| 6150-41-1012 | 6150411012 | 6D125 | PC400-6 Excavator |
| 6745-41-1110 | 6D114 | PC300-7 Excavator | |
| 6222-21-2210 | 6D110 | PC220-3 Excavator | |
| 6754-41-1170 | 6D107 | PC200-8 Excavator | |
| 6137-41-1120 | 6137411120 | 6D105 | PC200-3 Excavator |
| YM129900-14580 | 129900-14580 | 4D94S | FD25 Forklift |
| 6144-41-1110 | S4D94 | PC60-7 Excavator | |
| 6205-41-1300 | 6205411300 | S4D95 | PC120-5 Excavator |
| 6732-41-1111 | 6732411111 | S4D102 / B3.3 | PC128UU Excavator |
| 6207-41-1111 | 6207411111 | S6D95 | PC200-5 Excavator |
| 6735-41-1111 | 6735411111 | S6D102 | PC220-6 Excavator |
| 6222-41-1110 | 6222411110 | S6D108 | PC300-6 Excavator |
| 6150-41-1012 | 6151-41-1010 | S6D125 | D85P Dozer |
| 6128-41-1101 | 6127-41-1102 | S6D155 | D355A Bulldozer |
| 6118-41-1110 | YM123900-14580 | 6D106 | PC130-6 Excavator |
Komatsu camshafts fit heavy machinery including Komatsu PC120-5 Excavator, Komatsu PC130-6 Excavator, Komatsu WA120-3 Wheel Loader, and Komatsu D21P-7 Bulldozers.
Contact us for complete application coverage.
| Make | Machine / Vehicle Model | Year Range | Engine Code | Camshaft OEM |
|---|---|---|---|---|
| Komatsu | PC120-5 / PC120-6 / PC120LC-6 Excavator (PC120 camshaft) | 1990–1998 | S4D95L Inline-4 | 6205-41-1300 |
| Komatsu | PC130-5 / PC130-6 Mini Excavator (PC130 camshaft) | 1993–2001 | S4D95L Inline-4 | 6205-41-1300 |
| Komatsu | WA120-3 Wheel Loader / Tool Carrier | 1994–2001 | S4D95L Inline-4 | 6205-41-1300 |
| Komatsu | D21P-7 / D21S-7 Bulldozer | 1993–1999 | S4D95L Inline-4 | 6205-41-1300 |
Symptom: Instant engine misfire, timing gear train damage, or valve-to-piston contact during reassembly. (4-cylinder camshaft)
Diagnosis: The 4-cylinder S4D95 (3.3L) and 6-cylinder S6D95 (4.9L) share identical 95mm bore dimensions, but their camshafts feature completely different block lengths and cylinder firing configurations. The 6-cylinder engine utilizes a longer 6207-41-1111 camshaft. (6207-41-1111)
Solution: They are not interchangeable. Always verify the exact part number (e.g., 6205-41-1300 for 4-cylinder vs. 6207-41-1111 for 6-cylinder) to match your engine block serial number. (S6D95 camshaft)
Symptom: Loose timing gear connection, rattling sounds from the gear train, or sheared woodruff keys during high-vibration operations. (woodruff key)
Diagnosis: The camshaft timing gear must be securely pressed and keyed onto the shaft flange to prevent timing slip under heavy load torsional vibrations.
Solution: We supply both bare camshafts and complete camshaft-and-driving-gear assemblies. If transferring your old gear, always inspect the keyway for cracks and use a hydraulic press to achieve a standard press-fit clearance with a new woodruff key.
Symptom: Progressive loss of engine power, heavy black exhaust smoke, and loud ticking sounds from the valve cover. (camshaft lift loss)
Diagnosis: Wear on the cam lobes reduces the lift of the pushrods and rocker arms, preventing the intake and exhaust valves from opening fully.
Solution: Measure the cam lobe height with a micrometer and compare it to the standard specification; replace the camshaft if lobe wear exceeds the 0.50 mm service limit.
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