Komatsu WB140 Loader Backhoe Specs Parts

Description:

Serial Number Information

The serial number plate on the Komatsu WB140 is typically located on the right-hand side of the frame below the operator's cab or on the left-hand side of the engine compartment.

Serial Numbers by Year

Use your machine’s serial number to verify correct parts for hydraulic, engine, and transmission systems.

Key Specifications

Key Features

Powerful & Reliable Engine

Equipped with the Komatsu S4D1061FH engine, the WB140 provides dependable performance with 86 HP, ensuring strong digging, lifting, and loading capabilities while maintaining fuel efficiency.

Smooth Operation

The Synchro/Power Shuttle transmission enables smooth directional changes and efficient power transfer for better control in tight or rugged work zones.

Excavation Versatility

The backhoe arm offers a digging depth of 14'7", making it capable of handling utility trenching, drainage installation, and small-scale foundation work.

Durability for Demanding Jobs

With its rugged frame, heavy-duty loader arms, and reinforced backhoe boom, the WB140 is built to perform reliably in challenging environments.

Operator-Focused Design

The cab offers wide visibility, ergonomic controls, and a comfortable seating position, reducing fatigue during long operating hours.

Common Replacement Parts

Ensure consistent performance with trusted components available at Broken Tractor:

Engine Components

Fuel injectors, turbochargers, air filters, thermostats, oil pumps

Transmission

Torque converters, clutch discs, gear sets, synchro kits, seals

Hydraulics

Backhoe boom cylinders, loader lift cylinders, pump kits, valve assemblies

Brakes & Axles

Brake pads, master cylinders, axle seals, wheel bearings

Electrical

Starter motors, alternators, ignition switches, sensor wiring harnesses

Maintenance Schedule