JS145W

JCB JS145W — 14–15 ton wheeled excavator: specifications, engines and hydraulics

The JCB JS145W is a versatile 14–15 ton class wheeled excavator for urban, road and infrastructure works. It combines manoeuvrability, sufficient power and stability, allowing efficient operation in confined areas and quick relocation between sites without a trailer.

Main specifications

• Class: 14–15 tons
• Operating weight: approx. 14,000–15,500 kg
• Max. digging depth: up to 5.5–6.0 m
• Bucket capacity: up to 0.7–0.9 m³

Engines

Depending on production year and configuration, the JCB JS145W is equipped with ISUZU and JCB diesel engines:

• ISUZU 4BG1 — reliable 4-cylinder diesel.
• ISUZU 4BG1-TRA05 — construction-spec version.
• ISUZU 4BG1TPA03 — adapted for excavator duty.
• ISUZU 4BG1-TRA04 — market-specific variant.
• ISUZU 4JJ1 — modern turbo diesel with better fuel efficiency.
• ISUZU 4JJ1-XYSJ01 — heavy-duty configuration.
• JCB Dieselmax 444 — JCB in-house engine for stable output.
• JCB EcoMAX 444 — improved efficiency and reduced emissions.

Hydraulic system

The excavator uses Kawasaki K3V63DTP and Kawasaki K3V63 pumps, providing precise movements, fast response and stable pressure.

Advantages

✓ Manoeuvrability
✓ Mobility
✓ Efficient hydraulics
✓ Reliable engines
✓ Easy maintenance

Applications

• Urban earthworks
• Road construction and repair
• Utility installation
• Municipal works
• Site preparation and demolition

Attachments

• Buckets (standard, trenching, grading)
• Hydraulic breakers
• Grapples
• Augers

Spare parts

We supply parts for ISUZU 4BG1 / 4BG1-TRA05 / 4BG1TPA03 / 4BG1-TRA04 / 4JJ1 / 4JJ1-XYSJ01 and JCB Dieselmax 444 / EcoMAX 444, as well as Kawasaki K3V63DTP / K3V63 pumps, motors, cylinders, seals, filters, turbos, injectors and gearboxes.

Please provide engine model and serial number for accurate selection.