370X

The largest excavator in the JCB X series, this 35-40 tonne machine has been tested to extremes to guarantee the ultimate performance.

JCB 370X Tracked Excavator

The JCB 370X is built to thrive in the toughest conditions, combining strength, precision, and reliability in a 35–40 tonne class excavator. Every component has been rigorously tested to ensure it performs under pressure—making it the ideal choice for large-scale construction projects across Northern Ireland and Donegal.

From enhanced durability to class-leading efficiency, the 370X is ready for whatever your site throws at it.

Looking to add one to your fleet? Dennison JCB, your trusted local dealer, is here to help you find the right machine for your next big job.

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Machine Specification

  • Max. Dig Depth

    8.36 m

  • X Series

    Yes 

  • Max. Engine Power

    240 kW

  • Tailswing

    Conventional

  • Max. Bucket Capacity

    2.1 m³

  • Max. Operating Weight

    39,888 kg

Bigger, Stronger, Smarter – Meet the JCB 370X

If you're in the market for a 35–40 tonne tracked excavator or a high-performance 360 machine, the JCB 370X stands out as the most robust and capable option available. Built to thrive in extreme conditions, this excavator delivers unmatched strength, reliability, and efficiency—no matter the climate or terrain.

Whether you're tackling heavy-duty earthworks or large-scale infrastructure projects across Northern Ireland or Donegal, the 370X brings next-level productivity to your site.

Available now through your trusted local dealer, Dennison JCB.

Power & Durability

The JCB 370X is the largest excavator in the X Series, built to deliver exceptional strength and performance on demanding sites. With a fine-tuned 8.9L Cummins L9 engine and advanced hydraulics, it’s engineered for heavy lifting and long-term reliability.

  • 240kW engine reaches peak power at just 1700rpm
  • Kawasaki pumps and KYB valve block for smooth hydraulic control
  • Lift capacity and stability boosted by up to 5,200kg
  • Reinforced dig end and 100mm bucket pins for added durability
  • Upgraded slew ring for robust operation

Operator Safety & Comfort

Designed with the operator in mind, the 370X offers a secure, comfortable workspace with intuitive controls and enhanced visibility—ideal for long shifts and high-pressure environments.

  • Full HD twin cameras standard, with optional 360° view
  • Anti-slip tread plates, ergonomic grab handles, and side-guard rails
  • Follow Me Home lighting for extended visibility after shutdown
  • 10" touchscreen with integrated camera feed
  • Customisable profiles and immobilizer input for added security
  • Ground-level access for daily checks

Efficiency & Low Ownership Costs

The 370X is built to reduce fuel use and cut maintenance costs, making it a smart long-term investment for contractors across Northern Ireland and Donegal.

  • Auto Stop and Idle features to save fuel
  • 23% fewer filter changes over 10,000 hours
  • Extended intervals for hydraulics, induction filters, and greasing
  • High-quality components and simplified servicing for reduced downtime

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