CASE Construction Equipment · Mini Excavator

CASE CX31B Specs

/5 · ratings Be the first to rate ✓ Thanks!

CASE Const...

Overview

The CASE Construction Equipment Case CX31B is a mini excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 28 hp, operating weight of 6,679 lb, working depth of 9.17 ft, reach of 15.50 ft, capacity of 0.2 yd³ and travel speed of 2.8 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the CASE Construction Equipment Case CX31B against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
6,679
lb

Net Power
28.40
hp

Max Digging Depth
9.17
ft

Reference Bucket Capacity
0.20
yd3

Full Specifications

47 specs

Dimensions

Arm Length 4.40 ft / 1.34 m

Boom Length 8.10 ft / 2.47 m

Boom/Stick Option (Hex) 1 Boom 7'7" (2310mm)/ Stick 3'11" (1190mm)

Bucket Breakout Force 6,227 lb / 2,825 kg

Ground Clearance 1.08 ft / 0.33 m

Height to Top of Cab 8.42 ft / 2.57 m

Length of Track on Ground 5.08 ft / 1.55 m

Max Cutting Height 15.58 ft / 4.75 m

Max Digging Depth 9.17 ft / 2.80 m

Max Loading Height 11 ft / 3.35 m

Max Reach Along Ground 15.50 ft / 4.72 m

Max Vertical Wall Digging Depth 7.08 ft / 2.16 m

Removal Counterweight Clearance 2 lb / 1 kg

Shipping Height Of Unit 8.44 ft / 2.57 m

Shipping Length Of Unit 14.40 ft / 4.39 m

Tail Swing Radius 2.58 ft / 0.79 m

Width To Outside Of Tracks 5.08 ft / 1.55 m

Engine

Alternator Supplied Amperage 24 A

Cooling System Fluid Capacity 1.20 gal / 4.5 L

Displacement 100 cu in / 1.6 L

Emissions Level Tier 4

Engine Make 2348

Engine Model Yanmar 3TNV88-BPYB

Engine Oil Capacity 1.80 gal / 6.8 L

Fuel Capacity 10 gal / 37.9 L

Hydraulic Pump Flow Capacity 20.20 gal/min / 76.5 L/min

Hydraulic System Fluid Capacity 12.70 gal / 48.1 L

Hydraulic System Relief Valve Pressure 3,336 psi / 230.0 bar

Lift Over End Max. Reach - Lbs 1,785.80 ft / 544.31 m

Max Torque 73 lb-ft / 98 Nm

Maximum Bucket Capacity 0.20 yd³ / 0.15 m³

Minimum Bucket Capacity 0.10 yd³ / 0.08 m³

Net Power 28 hp / 21.2 kW

Number of Cylinders 3

Operating Voltage 12 V

Operating Weight 6,679 lb / 3,030 kg

Power Measured @ 2,400 rpm

Reference Bucket Capacity 0.20 yd³ / 0.15 m³

Swing Speed 8.90 deg

Torque Measured @ 1,440 rpm

Hydraulics

Lift Over Side Max. Reach 639.40 ft / 194.89 m

Undercarriage

Drawbar Pull 8,655 lb / 3,926 kg

Ground Pressure 4 psi / 0.3 bar

Max Travel Speed 2.80 mph / 4.5 km/h

Number Of Carrier Rollers Per Side 1

Number of Track Rollers per Side 4

Shoe Size 11.82 in / 300 mm

Related Machines

Related Guides & Articles

Mar 16, 2026

Top Mini Excavator 2025 Models for Efficient Construction

Read article →

Mar 14, 2026

Mini Excavator vs Excavator: Key Differences Explained

Read article →

Mar 22, 2026

Mini Excavator Weight Classes: Choosing the Right Machine for Your Site

Read article →

Frequently Asked Questions

What is the operating weight of the CASE Construction Equipment Case CX31B? +

The CASE Construction Equipment Case CX31B has an operating weight of 6,679 lb (3,030 kg). This places it in a class suited for mini excavator applications where ground pressure and transport weight are key considerations.

How powerful is the CASE Construction Equipment Case CX31B engine? +

The CASE Construction Equipment Case CX31B produces 28 hp (21.2 kW) of engine power. This output is typical for its weight class and designed to handle demanding Mini Excavator work cycles efficiently.

What is the maximum digging depth of the CASE Construction Equipment Case CX31B? +

The CASE Construction Equipment Case CX31B has a maximum digging depth of 9.17 ft (2.80 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the CASE Construction Equipment Case CX31B? +

The CASE Construction Equipment Case CX31B has a maximum reach along the ground of 15.50 ft (4.72 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the CASE Construction Equipment Case CX31B? +

The CASE Construction Equipment Case CX31B has a maximum travel speed of 2.8 mph (4.5 km/h), enabling efficient movement between work areas on the job site.

How does the CASE Construction Equipment Case CX31B compare to similar Mini Excavator models? +

You can compare the CASE Construction Equipment Case CX31B side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.