Komatsu SK135SRLC Excavator Parts Catalog (P/N YH01-00101, OEM)

• Covers Komatsu SK135SRLC short radius excavators (serial numbers YH01-00101 and YY01-00101), detailing engine, hydraulic, and chassis parts.
• Contains 430 pages of exploded-view diagrams with specific hardware lists for major engine sub-assemblies.
• Provides exact component-level identification to streamline any scheduled maintenance or shop repair.
• Details specific replacement hardware for swing motors, propelling motors, main control valves, swivel joints, track rollers, crawler idlers, and turbochargers.
• Covers component breakdowns for Zexel fuel injection pumps, radiator assemblies, air conditioners, electrical wiring harnesses, bucket cylinders, pilot valves, and boom assemblies.

System and Assembly Breakdowns

Accurate part identification prevents ordering mistakes and cuts down equipment downtime. This PDF catalog breaks down the machine's core systems through annotated diagrams. You see exactly how individual components, hardware, and fasteners fit together on the SK135SRLC, supported by practical metric and inch hardware conversion charts to prevent fitting errors at the workbench. Major sections cover the engine, cooling system, air intake, exhaust, fuel injection, and hydraulic reservoirs. It also details undercarriage setups and electrical control modules for the governor and generator. To further assist your workflow and accurate troubleshooting, the manual features specific visual aids, including wiring diagrams, hydraulic line schematics, electrical harness routing views, and undercarriage component views. Having these factory references speeds up parts sourcing for your next project or repair, directly benefiting your daily shop routines.

While a parts catalog does not contain written repair instructions, the highly detailed exploded-view drawings visually map out the exact teardown and reassembly sequence for complex components. By illustrating the exact placement of O-rings, shims, and bearings, these diagrams double as a visual step-by-step assembly guide. This allows your technicians to confidently rebuild units like the main control valve, propelling motor, or Zexel fuel injection pump in-house, keeping the equipment out of an expensive dealer service bay.

Core Technical Specifications

Beyond OEM part numbers (P/Ns), the manual provides essential baseline data. Engine specs note intake valve clearance thresholds of 0.15–0.19 mm (0.006–0.007 in) for timing checks. The electrical layout uses a 24 V system equipped with a starter motor capable of a 4.5 kW (6 hp) peak output. Fluid capacities are listed at 113 L (29.8 US gal) for the fuel tank and 17 L (4.5 gal) for the hydraulic reservoir. Undercarriage diagrams confirm a standard 46-shoe crawler track configuration. Ensure you always consult a certified technician before performing service or making adjustments to heavy equipment.