Takeuchi TB138FR Excavator (2008-Present) Illustrated Parts Manual (P/N BG5Z002)

This official 353-page Takeuchi parts manual in PDF format delivers a comprehensive illustrated breakdown of the 2008–Present TB138FR hydraulic excavator. It documents all hydraulic, electrical, and structural component part numbers to ensure accurate ordering and machine assembly.

• Covers 2008–Present Takeuchi TB138FR models with standard and multi-auxiliary configuration variants
• Original OEM publication Book No. BG5Z002, dated April 16, 2008
• Contains 47 high-detail exploded-view diagrams illustrating undercarriage, engine, hydraulic, and electrical systems
• Delivers the exact structural breakdown for the lower frame, slew bearing, crawler belt, and dozer blade assemblies
• Provides the precise installation mapping required for ordering replacement components
• Identifies the Yanmar 3TNV88-XTBZ engine, hydraulic pump, travel motor, slew motor, main control valve, swivel joint, and fuel injection pump
• Details the boom cylinder, arm cylinder, bucket cylinder, pilot valves, proportional valves, ISO-JCB selector valves, accumulators, and air conditioning units

Component Layout and Organization

Need to trace a wiring harness or rebuild the travel device? This parts publication breaks down the equipment from the ground up. Chapters group major assemblies logically. You will find undercarriage components first, including track rollers, carrier rollers, front idlers, track adjusters, and travel device assemblies. Moving up the machine, the catalog maps the turntable structure. It details counterweights, noise-reduction materials, and slew bearing installations before diving into boom offset mechanisms and dozer blade hydraulics.

Detailed engine and electrical sections isolate peripheral hardware. The electrical routing shows harness paths, fuse boxes, relays, clusters, battery mounting, and security system components, providing an excellent reference for diagnostic troubleshooting. Regional variants are clearly marked. Accessory sections document canopy light kits, radio installations with specific regional wiring, and window washer systems. Control sections cover travel and operation levers, providing the schematic layout for pilot valve connections and auxiliary proportional controller setups. When replacing heavy machinery parts, safety is always the priority. Always verify procedures and consult a certified technician before performing active service on this equipment to prevent operational hazards.

A distinct advantage for the daily shop routine is the ability to use the high-resolution exploded views as visual assembly guides. While it does not contain written step-by-step procedures, mechanics can confidently reverse-engineer complex teardowns—such as repacking the swivel joint, servicing the travel motor reduction section, or overhauling the main control valve blocks. This visual reference helps you tackle intricate rebuilds independently, often eliminating the need for an expensive dealership repair.

Technical Documentation Preview

Component quantities and precise part identifiers are cataloged across all mechanical and hydraulic systems. The undercarriage documentation lists specific bolt and washer counts. For example, it calls out the exact 16 bolts and 16 stoppers required for the track roller assembly. The engine and accessory section documents the specific air cleaner elements and rubber cushion mounts used across different serial number ranges. The document also includes essential reference data for maintaining structural integrity, such as U-bolt specifications and fastener torque-related hardware, ensuring every repair is performed to factory standards.

Match exact factory specifications and rebuild complex assemblies right the first time—secure your comprehensive TB138FR parts reference now.