Case CX31B Mini Excavator


Boom/Stick Option (Hex) 1

Shipping Length Of Unit 14.4 ft in (4390 mm)
Max Cutting Height 15.58 ft in (4770 mm)
Shipping Height Of Unit 8.44 ft in (2570 mm)
Max Loading Height 11 ft in (3360 mm)
Max Reach Along Ground 15.5 ft in (4780 mm)
Max Vertical Wall Digging Depth 7.08 ft in (2160 mm)
Max Digging Depth 9.17 ft in (2810 mm)
Boom/Stick Option (Hex) 1 Boom 7’7″ (2310 mm) / Stick 3’11” (1190 mm)

Dimensions

Width To Outside Of Tracks 5.08 ft in (1540 mm)
Length Of Track On Ground 5.08 ft in (1540 mm)
Ground Clearance 1.08 ft in (330 mm)
Height To Top Of Cab 8.42 ft in (2570 mm)
Tail Swing Radius 2.58 ft in (775 mm)
Removal Counterweight Clearance 1.87 ft in (570 mm)

Undercarriage

Shoe Size 11.82 in (300 mm)
Number Of Track Rollers Per Side 4
Ground Pressure 4.3 psi (29.65 kPa)
Number Of Carrier Rollers Per Side 1
Max Travel Speed 2.8 mph (4.5 km/h)
Drawbar Pull 8655 lb (38.5 kN)

Engine Details

Emissions Level Tier 4
Number Of Cylinders 3
Engine Make Yanmar
Engine Model Yanmar 3TNV88-BPYB
Net Power 28.4 hp (21.2 kw)
Power Measured @ 2400 rpm
Displacement 100.1 cu in (1.7 L)
Max Torque 72.6 lb ft (98.5 Nm)
Torque Measured @ 1440 rpm

Lift System

Bucket Breakout Force 6227.3 lb (27.7 kN)
Lift Over Side Max. Reach 639.4 lb (290 kg)
Lift Over End Max. Reach – Lbs 1785.8 lb (810 kg)

Operational Specs

Operating Weight 6679 lb (3030 kg)
Fuel Tank Capacity 10 gal (38 L)
Cooling System Fluid Capacity 1.2 gal (4.6 L)
Hydraulic System Fluid Capacity 12.7 gal (48 L)
Engine Oil Capacity 1.8 gal (6.7 L)
Operating Voltage 12 V
Alternator Supplied Amperage 24 amps
Hydraulic System Relief Valve Pressure 3336 psi (159.8 kPa)
Hydraulic Pump Flow Capacity 20.2 gal/min (76.8 L/min)

Swing Mechanism

Swing Speed 8.9 rpm

Buckets

Reference Bucket Capacity 0.2 yd3 (0.1 m3)
Minimum Bucket Capacity 0.1 yd3
Maximum Bucket Capacity 0.2 yd3

Boom

Arm Length 4.4 ft in (1341.2 mm)
Boom Length 8.1 ft in (2468.9 mm)
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