Case CX31B Mini Excavator

Boom

Arm Length 4 ft (1 m)
Boom Length 8 ft (2 m)

Boom/Stick Excavator Option 1

Max Cutting Height 16 ft (5 m)
Max Digging Depth 9 ft (3 m)
Max Loading Height 11 ft (3 m)
Max Reach Along Ground 16 ft (5 m)
Max Vertical Wall Digging Depth 7 ft (2 m)
Shipping Height of Unit 9 ft (3 m)
Shipping Length of Unit 14 ft (4 m)

Bucket

Maximum Bucket Capacity 0 cu yd (0 cu m)
Minimum Bucket Capacity 0 cu yd (0 cu m)
Reference Bucket Capacity 0 cu yd (0 cu m)

Dimensions

Ground Clearance 1 ft (0 m)
Height – Top of Cab 9 ft (3 m)
Length of Track on Ground 5 ft (2 m)
Removal Counterweight Clearance 2 ft (1 m)
Width to Outside of Tracks 5 ft (2 m)

Engine

Displacement 100 cu in (1,640 cu cm)
Emissions level Tier 4
Engine Model Yanmar 3TNV88-BPYB
Max Torque 73 lbs ft (98 nm)
Net Power 28 hp (21 kw)
Number of Cylinders 3
Power Measured @ 2400 rpm
Torque Measured @ 1440 rpm

Lift System

Bucket Breakout Force 6,227 lbs (2,825 kg)
Lift over end Max. reach – lbs 1,786 lbs (810 kg)
Lift over side Max. reach 639 lbs (290 kg)

Operating Specifications

Alternator Supplied Amperage 24 amps
Cooling System Fluid Capacity 1 gal (5 l)
Engine Oil Capacity 2 gal (7 l)
Fuel Capacity 10 gal (38 l)
Hydraulic Pump Flow Capacity 20 gpm (76 lpm)
Hydraulic System Fluid Capacity 13 gal (48 l)
Hydraulic System Relief Valve Pressure 3336 psi
Operating Voltage 12 volts
Operating Weight 6,679 lbs (3,030 kg)

Swing Mechanism

Swing Speed 8.9 rpm

Undercarriage

Drawbar Pull 8,655 lbs (3,926 kg)
Ground Pressure 4.3 psi
Max Travel Speed 3 mph (5 kph)
Number of Carrier Rollers per Side 1
Number of Track Rollers per Side 4
Shoe Size 12 in (30 cm)
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