JCB JS175W — 17–18 ton wheeled excavator: specifications, engines and hydraulics
The JCB JS175W belongs to the 17–18 ton class and is designed for a wide range of tasks, from road construction to utility installation and demolition. It combines lifting capacity, manoeuvrability and robust design for daily intensive operation.
Main technical specifications
- Operating weight: approx. 17,000–18,000 kg
- Max. digging depth: up to 6.2–6.4 m
- Bucket capacity: up to 0.9–1.1 m³
- Drive: 4x4
Engines
Depending on configuration, market and year, the JCB JS175W is equipped with ISUZU and JCB diesel engines:
- ISUZU 6BG1 — 6-cyl naturally aspirated diesel, ~6.5 L.
- ISUZU 6BG1TQB04 — turbocharged 6BG1 with improved performance.
- ISUZU 6BG1TRB05 — reinforced turbo version for excavator hydraulics.
- ISUZU 6BG1-TQB04 — alternative designation of turbo 6BG1.
- ISUZU 4HK1 — 4-cyl turbo diesel with intercooler.
- ISUZU 4HK1-XYSJ02 — 4HK1 variant for construction applications.
- JCB Dieselmax 444 — JCB in-house engine for stable heavy-duty work.
- JCB EcoMAX 444 — improved efficiency and lower emissions.
- JCB EcoMAX 672 — 6-cyl high-torque engine.
Hydraulic system
The excavator uses Kawasaki K5V80DTP and Kawasaki K5V80 pumps to deliver fast response, smooth control and stable pressure.
Advantages
✓ High productivity
✓ Reliability
✓ Operational flexibility
✓ Fuel efficiency
✓ Easy service
Applications
- Urban and road construction
- Industrial and infrastructure projects
- Utility installation
- Earthmoving and quarry works
- Demolition
- Site preparation
Attachments
- Heavy-duty buckets (standard, trenching, grading)
- Hydraulic breakers
- Hydraulic shears and crushers
- Grapples
- Augers
Spare parts
We supply parts for ISUZU 6BG1 / 6BG1TQB04 / 6BG1TRB05 / 6BG1-TQB04 / 4HK1 / 4HK1-XYSJ02 and JCB Dieselmax 444 / EcoMAX 444 / EcoMAX 672 engines, as well as Kawasaki K5V80DTP / K5V80 pumps, motors, valves, cylinders, seal kits, filters, turbos, injectors, fuel pumps, travel and swing gearboxes.
Please provide engine model and machine serial number for accurate selection.
Technical specifications verified by the Aspect Plus technical catalog.