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Description
Specs
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Description

The CASE CX31B mini excavator features a heavy-duty undercarriage with heavy plate guards that prevent damage to hydraulic motors, making it an excellent addition to any utility or landscape fleet. The new CX31B features a Tier 4 Final engine to boost fuel efficiency and deliver faster response times while meeting environmental standards.

Specs

Manufacturer
Case Construction
Model Year
2016
Model
CX31B
MSRP
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Dimensions

Length
15 ft. 6 in. (4,730 mm)
Height
8 ft. 3 in. (2,510 mm)
Width
5 ft. (1,530 mm)
Weight
7,672 lbs. (3,480 kg) with cab
7,320 lbs. (3,320 kg) with canopy
Ground Clearance
1 ft. 10 in. (570 mm)
11.8 in. (300 mm) minimum
Fuel Tank Capacity
11 gal. (42 l)
Hydraulic Tank Capacity
11.8 gal. (44.8 l) total system

Drivetrain

Number of Speeds
2
Brakes
Swing: SAHR with dual cushion relief
Track Length
7 ft. 1 in. (2,160 mm)
Track Width
5 ft. 1 in. (1,550 mm)
Shoe: 11.8 in. (300 mm)

Engine

Engine Make
Yanmar
Engine Model
3TNV88F-E
Net Horsepower
23.1 hp (17.2 kW)
Displacement
100 ci (1.6 l)
Cylinders
3
Fuel Type
Diesel
Cooling
Water
Rated Speed
2,400 rpm

Battery

Voltage
12V
Amps
Alternator: 24A

Hydraulics

System Relief Pressure
Main: 3,336 psi (230 bar)
Pump
Main: Tandem variable displacement / axial piston
Std Pump Flow
Main, Max. x2: 10.1 gpm (38.4 lpm)

Operational

Travel Speed - Forward
1st: 1.6 mph (2.5 km/h)
2nd: 2.7 mph (4.4 km/h)
Arm Length
4 ft. 4 in. (1,320 mm)
Arm Force
Digging: 4,294 lbs. (19.1 kN)
Dig Depth
9 ft. 3 in. (2,820 mm)
Vertical Straight Wall: 7 ft. 9 in. (2,360 mm)
Blade Height
Backfill: 1 ft. 2 in. (345 mm)
Bucket Capacity
12 in. Width: 2.13 ft³ (0.06 m³)
18 in. Width: 3.19 ft³ (0.09 m³)
24 in. Width: 4.25 ft³ (0.12 m³)
Bucket Digging Force
2 Position Bucket: 6,227 lbf. (27.7 kN)
Dump Height
11 ft. 3 in. (3,420 mm)
Boom Length
8 ft. 1 in. (2,460 mm)
Boom Swing Radius - Left
70°
Boom Swing Radius - Right
60°
Tail Swing Radius
2 ft. 7 in. (775 mm)

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.