Takeuchi TB135 Excavator Service Manual (P/N BG4Z010)

This 659-page PDF is the factory illustrated parts catalog for Takeuchi TB135 compact excavators beginning with serial number 13510004. Identified throughout as Book No. BG4Z010 and dated May 31, 2007, it is suited to parts personnel, technicians, and experienced owners who need serial-specific component identification for repair planning rather than diagnostic or step-by-step repair instruction.

• Document coverage: 523 pages cover the main TB135 machine, followed by a 54-page 3TNE88 engine section, a 44-page 3TNV88-QTB/QTB1 section, and a 38-page 3TNV88-QTB2 section.

• Undercarriage and rotating structure: Illustrated breakdowns cover the lower frame, steel and rubber crawler belts, rubber-pad components, carrier and track rollers, front idler, track adjuster, travel device, slew bearing, swivel joint, and both early and later dozer-blade assemblies.

• Controls and pattern configurations: The catalog maps the travel lever, swing pedal, dozer-blade lever, auxiliary pedal, operation-lever stands, and related piping. Separate plates identify the ISO-JCB, A-B, and multi-pattern arrangements on both sides of the S/N 13512532/13512533 change.

• Hydraulic component identification: Coverage includes upper and lower piping, the control valve, pilot and selector valves, solenoid and rotary valves, remote-control and shut-off valves, pump drive, hydraulic tank, slew motor, hydraulic pump, and the boom, arm, bucket, blade, swing, and telescopic cylinders.

• Engine configurations: The parts book separates 3TNE88-TB, TB1, ETB, and ETB1 engines through S/N 13514050 from 3TNV88-QTB cab, QTB1 canopy, and QTB2 air-conditioned builds beginning at S/N 13514051. Machine-level listings also identify later QTB3 China-market engine assemblies.

• Cab, canopy, and electrical equipment: Dedicated plates cover both operator-station configurations, seats and mounts, heater and defroster assemblies, six-part air-conditioning groups, control boxes, engine controls, travel alarm, battery, lighting, radio, washer, beacon socket, covers, decals, and tools.

Serial-Specific Parts Selection

Major production changes occur at S/N 13510135/13510136, 13512532/13512533, 13514050/13514051, and 13516744/13516745. The parts tables record additional narrower breaks for crawler belts, carrier rollers, electrical equipment, air-conditioning parts, engine accessories, covers, and individual hydraulic components. Each listing provides the part number, description, quantity, change designation, applicable serial range, service status, and remarks.

Ordering by appearance alone is the main repair trap here: pre-break pump, cylinder, roller, or cover parts can differ in seals, ports, or mounting details, and forcing a mismatch can damage seals or mating surfaces. Pattern-specific hoses and selector valves also need to remain with the correct ISO-JCB, A-B, or multi-pattern arrangement; using the wrong plate can misidentify control routing and create unexpected machine response during checkout.

Illustrated Assembly Depth

The catalog contains hundreds of numbered exploded and sectional parts illustrations. Representative plates include the travel device, swivel joint, control valve, hydraulic pump, fuel-injection pump inner parts, and air-conditioning assemblies. Each illustration is paired with its corresponding parts table, making it possible to distinguish complete assemblies, separately serviced internal parts, hardware, seal components, and factory replacement sets.

The engine sections extend well beyond external mounting parts. They break down the cylinder block, gear and flywheel housings, cylinder head, camshaft and driving gear, crankshaft and pistons, lubrication and cooling systems, fuel-injection pump, governor, injection valves, fuel lines, starting motor, generator, and gasket sets. Cab, canopy, air-conditioned, and certain regional configurations are identified where their parts differ.

Catalog Scope and Shop Use

This publication is a parts-identification reference, not a repair manual. It does not provide troubleshooting sequences, hydraulic pressure tests, torque tables, electrical test values, wiring diagrams, or step-by-step removal, overhaul, adjustment, and installation procedures. The electrical pages are illustrated component and harness listings rather than circuit schematics, while the hydraulic pages show parts and routing assemblies rather than diagnostic flow diagrams.

Before using these plates during repair work, lower and securely support the attachment, relieve stored hydraulic pressure, and use rated lifting equipment for track, boom, cylinder, or turntable components. Safe disassembly and testing procedures must come from the applicable TB135 service documentation.