Caterpillar E70B Specs & Review

Technical Specifications of Caterpillar E70B Midi Excavator


  • Boom/Stick Option (Hex) 1
    • Max Cutting Height: 21.35ft in
    • Max Loading Height: 14.64ft in
    • Max Reach Along Ground: 19.46ft in
    • Max Vertical Wall Digging Depth: 10.08ft in
    • Max Digging Depth: 12.41ft in
  • Boom/Stick Option (Hex) 2
    • Max Cutting Height: 22.07ft in
    • Max Loading Height: 15.29ft in
    • Max Reach Along Ground: 20.49ft in
    • Max Digging Depth: 13.49ft in
    • Max Vertical Wall Digging Depth: 11.59ft in
  • Boom/Stick Option (Hex) 3
    • Max Cutting Height: 23.05ft in
    • Max Loading Height: 16.28ft in
    • Max Reach Along Ground: 22.05ft in
    • Max Digging Depth: 15.08ft in
    • Max Vertical Wall Digging Depth: 13.01ft in


  • Shoe Size: 17.72in
  • Track Gauge: 5.75ft in
  • Number Of Shoes Per Side: 42
  • Max Travel Speed: 2.55mph
  • Ground Pressure: 4.7psi
  • Drawbar Pull: 10141lb
  • Number Of Track Rollers Per Side: 5

Engine Specifications

  • Engine Make: 2251
  • Engine Model: 4D32
  • Net Power: 54hp
  • Power Measured @: 1800rpm
  • Displacement: 217.9cu in

Operational Specifications

  • Operating Weight: 15256lb
  • Fuel Capacity: 29.1gal
  • Cooling System Fluid Capacity: 4.3gal
  • Operating Voltage: 12V
  • Hydraulic System Fluid Capacity: 27.8gal
  • Engine Oil Capacity: 2.4gal
  • Swing Drive Fluid Capacity: 1.1gal
  • Alternator Supplied Amperage: 50amps
  • Hydraulic System Relief Valve Pressure: 4551psi
  • Hydraulic Pump Flow Capacity: 35.4gal/min

Swing Mechanism

  • Swing Speed: 13.5rpm


  • Reference Bucket Capacity: 0.4yd3
  • Minimum Bucket Capacity: 0.2yd3
  • Maximum Bucket Capacity: 0.5yd3

Frequently Asked Questions

What is the maximum digging depth of the Caterpillar E70B?

The maximum digging depth varies depending on the Boom/Stick Option. For Hex 1, it’s 12.41ft in; for Hex 2, it’s 13.49ft in; and for Hex 3, it’s 15.08ft in.

What is the operating weight?

The operating weight of the Caterpillar E70B is 15256lb.

What is the fuel capacity?

The fuel capacity is 29.1 gallons.

What is the net power of the engine?

The net power of the engine is 54hp.

What is the ground pressure?

The ground pressure is 4.7psi.

A Comprehensive Review of the Caterpillar E70B Midi Excavator

A Versatile Midi Excavator by Caterpillar

The Caterpillar E70B is a midi excavator designed for a variety of tasks. Manufactured by Caterpillar, a leading name in heavy machinery, this excavator is built to perform.

The Heart of the Machine: Key Specs

The E70B is powered by a 4D32 engine with a net power of 54hp. It has an operating weight of 15256lb and a fuel capacity of 29.1 gallons. The hydraulic system has a relief valve pressure of 4551psi, making it highly efficient.

Performance Metrics

The E70B offers impressive digging depths, ranging from 12.41ft to 15.08ft depending on the boom/stick option. With a max travel speed of 2.55mph and a swing speed of 13.5rpm, it is designed for both speed and power.

Feature Highlights

The E70B comes with multiple boom/stick options, allowing for a range of digging depths and reach. It also has a hydraulic system with a fluid capacity of 27.8 gallons, ensuring smooth operation.

How Reliable is the E70B?

Caterpillar is known for its reliable machinery, and the E70B is no exception. With a robust engine and durable undercarriage, it is built to last.

Is it Worth the Investment?

Considering its features and performance, the E70B offers good value for money. It is comparable to other models like the Hitachi ZX80 but offers its own set of advantages.

Pros and Cons

  • Pros: Versatile boom/stick options, robust engine, good fuel capacity.
  • Cons: Limited speed, higher operating weight could be a concern for some projects.

Ideal Working Conditions

The E70B is best suited for medium to large-scale excavation projects. It performs well in various terrains and is ideal for tasks that require both reach and depth.

Final Thoughts

The Caterpillar E70B Midi Excavator is a reliable and versatile machine. With its range of features and strong performance metrics, it is a solid investment for any construction or excavation project.