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Mini Excavators


  • Operating Weight 11,312 lb | 5130 kg
  • Engine Power 37.4 hp | 27.9 kW

CX55B Mini Excavator

The CASE CX55B mini excavator sets the standards for digging power with its large boom and arm for a wider operating range and a rectangular cab design offering more room and outstanding visibility. With a wide cab and optimized control layout for comfortable and easy operation, this machine is sure to satisfy even the most demanding operators. Daily maintenance is made easy with ground level startup checks that are performed quickly and easily.

A great fit for:
  • Non-Residential Construction
    Non-Residential Construction
  • Residential Construction
    Residential Construction
  • Roads & Bridges
    Roads & Bridges
  • Rental
  • Utilities
CX55B Specifications
CX55B Specifications
File size 870.44 kb
CX B Series Brochure
CX B Series Brochure
File size 13.27 Mb
CX55B Bid Specifications
CX55B Bid Specifications



Operate in tight areas and have little worry of potential damage with the minimum tail swing and independent center swing-boom. Rapid machine positioning and simultaneous moves of the swing boom and house are accomplished via the foot pedal swing-boom control. The small overhang on the CX55B increases the machine stability and performance. Backfilling is provided by the hydraulically-controlled backfill blade. For quicker backfilling of trenches, an optional angle blade is available. Surface damage is kept to a minimum due to the standard, durable rubber tracks while optional steel tracks provide even greater protection.

Fuel Efficiency

The Yanmar engine is powered to match the performance of the CX55B. This engine meets the current Tier 4 Interim environmental standards while consuming less fuel. CASE Mini Excavators also feature a one touch deceleration to minimize fuel usage while not in operation. Finally, the integrated-flow pump system (IFPS) efficiently manages the pump flow during operation to maximize the use of engine power and increase the fuel efficiency.

Comfort and Visibility

While operating the CX55B, the spacious four post canopy provides exceptional visibility to all areas. For operators working in inclement weather, an available enclosed cab with heat or with heat and air conditioning are available options. Responsive performance and low fatigue are delivered through the smooth, intuitive pilot controls. A standard pattern selector allows operators to choose their control pattern preference for optimum productivity.


Get service and diagnostics done quickly and easily with a one-piece, swing-out side access panel. Grouped hydraulics and rear engine access provide the ability to do daily checks in no time at all.


Standard Equipment

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  • Yanmar 4TNV88-C-PYB diesel
  • 4 Cycle
  • Water cooled
  • Direct injection
  • One touch decelerator
  • Engine access under rear hood
  • Dry type air cleaner with restriction indicator
  • Glow plug starting aid


  • ROPS/FOPS three post canopy
  • Pilot operated hand controls and foot pedals
  • Adjustable seat w/ seat belt
  • Arm rests
  • Display includes: Engine oil pressure, Water temperature lamp, Low fuel warning lamp, Battery charge lamp, Water temperature gauge, Fuel gauge, Hour meter


  • 12-volt electrical starting system
  • Heavy-duty battery
  • Horn


  • Rubber tracks
  • Automatic 2-speed travel
  • Fully hydrostatic drive system
  • Sealed and lubricated track rollers
  • Track tension adjustment – grease type
  • Disc type parking brake – auto release and apply


  • Minimal tail swing
  • Swing lock
  • Swing brake
  • Swing shock valve


  • Auxiliary hydraulics – single/bi-directional –and plumbing to arm
  • Large hydraulic oil cooler
  • Control pattern selector valve


  • Swing boom – 70° left/59° right
  • Hydraulic backfill blade
  • Eco-friendly diesel fuel drain
  • Reinforced boom work light
  • Boom cylinder guard
  • Thumb bracket

Optional Equipment

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  • Steel tracks
  • Mechanical coupler
  • 2nd auxiliary hydraulics
  • 4-way hydraulic dozer blade
  • Front guard


  • Cab with heat and AC
  • LCD Monitor


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Base & Extended Warranty Coverage

  • 12 Month / 1,000 Hour Full Coverage Base Warranty

Purchased Protection

Purchased Protection Plan is an extension of the factory base and extended coverage is available at an additional cost. Your CASE dealer can help you determine the plan that fits your needs. Plans are available up to three-years / 3,000 hours on CASE Compact Excavator models.

Please see your CASE dealer for limitations, exclusions, and confirmation of policies in effect. The CASE Warranty remains in effect during the Warranty Period if the owner performs the required maintenance at the recommended intervals outlined in the product’s operator’s manual and the unit is operated within its rated capacity. Genuine CASE service parts or CASE approved service parts that meet CASE specifications must be used for maintenance and repairs.


CASE dealers provide world-class equipment and aftermarket support, industry-leading warranties and flexible financing.

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