CX 31 B Case excavator specs & dimensions (2008 - 2012)

Case CX 31 B is a mini excavator manufactured from 2008 to 2012, with a weight of 3.25 tons. It features a track width of 300 mm, …

Case CX 31 B is a mini excavator manufactured from 2008 to 2012, with a weight of 3.25 tons. It features a track width of 300 mm, a transport length of 4.39 meters, a transport width of 1.55 meters, and a transport height of 2.57 meters. The machine has a tear-out force of 18 kN and a maximum bucket capacity of 0.9 m³. Special equipment includes a blade and rubber tracks.

CX 31 B

Years of manufacture: 2008—2012

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Technical specs - CX 31 B Case

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight: 3.25 t

Transport length: 4.39 m

Transport width: 1.55 m

Transport height: 2.57 m

Bucket capacity max.: 0.9 m³

Track width: 300 mm

Driver protection: FD

Max. Reach horizontal: 4.93 m

Dredging depth: 2.81 m

Tear-out force: 18 kN

Model series: B

Engine manuf.: Yanmar

Engine type: 3TNV88A-PYB

Engine power: 22 kW

Displacement: 1.65 l

Revolutions at max torque: 2400 rpm

More technical details, like: bucket capacity, bucket capacity min., bucket width, standard tyres, dimension lxwxh, max. torque, no. of cylinders, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with standard bucket

Special equipment

Track adjustment: No
Rubber track: Yes
Blade: Yes
Aircondition: No
Quick hitch hydr.: No
Quick hitch mech.: No

Download datasheets (PDF)

Case CX 31 B FAQ

When was the Case CX 31 B manufactured?

The Case CX 31 B was manufactured from 2008 to 2012.

How much does the Case CX 31 B mini excavator weigh?

The Case CX 31 B mini excavator weighs 3.25 tons.

What are the transport dimensions of the Case CX 31 B mini excavator?

The Case CX 31 B has a transport length of 4.39 meters, a transport width of 1.55 meters, and a transport height of 2.57 meters.

What is the track width of the Case CX 31 B mini excavator?

The Case CX 31 B mini excavator has a track width of 300 mm.

What are the excavation performance specifications of the Case CX 31 B mini excavator?

The Case CX 31 B mini excavator has a dredging depth of 2.81 meters and a maximum horizontal reach of 4.93 meters.

What is the tear-out force of the Case CX 31 B mini excavator?

The Case CX 31 B mini excavator has a tear-out force of 18 kN.

What is the maximum bucket capacity of the Case CX 31 B mini excavator?

The maximum bucket capacity of the Case CX 31 B mini excavator is 0.9 cubic meters.

What operator safety and support features does the Case CX 31 B have?

The Case CX 31 B provides operator safety with a canopy for driver protection.

How much is a Case CX 31 B Mini excavator (2008u20132012) worth?

The residual value of the Case CX 31 B depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Case CX 31 B overview

Case CX 31 B features overview

still located at the rear thanks to the new layout
The new engines, however, are access to major components such as air filter, engine oil filter and the water separator, is now highly improved and placed on a wide, hinged plate.

Environment

a sophisticated “roll away” shape. for quicker backfilling operations;, for excellent gradeability
The front blade, newly designed, features In backfilling operations the earth rolls away in front of the blade. It also ensures unrivalled strokes: raised with the blade to overcome obstacles such as heaps of earth on the job site.

Tyres / Tracks

A smart, compact design rotates completely within the width of its tracks. Excavators will not hit any jobsite objects or suffer damage.

Dimensions and weight

		CX31BZTScanopy CX31BZTScab	CX36BZTS canopy CX36BZTScab
A Overall length	mm	4390	4710
B Overall width	mm	1550	1700
C Overall height	mm	2570	2570
D Basic machine length	mm	2550	2680
E Width of upperstructure	mm	1550	1550
F Tail swing radius	mm	775	850
G Ground clearance of rear end	mm	570	570
H Length of tracks on ground	mm	1540	1700
I Overall length of crawler	mm	2000	2150
J Overall width of crawler	mm	1550	1700
K Track gauge	mm	1250	1400
L Crawler shoe width (rubber/steel)	mm	300	300
M Blade height	mm	345	345
Ground clearance of undercarriage	mm	330	330

Max. operating pressure	230 bar
Hydraulic motor with reduction gear	2-axial piston	2-speed motor"
Cylinders (boom	dipper	boom swing	bucket	dozer)"	Double action cylinders

GROUND PRESSURE	CX31BZTScab	CX36BZTScab
OPERATING WEIGHT
Rubber tracks	kg	3000	3140	3580 3720
Steel tracks	kg	3110	3250	3700 3840
GROUND PRESSURE
Rubber tracks	bar	0.29	0.30	0.31 0.32
Steel tracks	bar	0.31	0.32	0.32 0.33
Additional bolted counterweight is available when “High stability” performance is required:
Weight	kg	+250		+250
Tail swing radius	mm	+90	+90

Height (m)	Reach
1.0 m	1.5 m	2.0 m	2.5 m	3.0 m	3.5 m	4.0 m	4.5 m	Max reach
Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Reach m
4.0
3.5											0.49	0.42
3.0
2.5											0.49	0.42	0.38	0.33
2.0											0.48	0.41	0.38	0.32
1.5					1.21	1.00	0.83	0.70	0.61	0.52	0.47	0.40	0.37	0.31
1.0							0.79	0.66	0.59	0.50	0.46	0.39	0.36	0.31			0.29	0.25	4.50
0.5					1.08	0.88	0.75	0.63	0.57	0.48	0.44	0.37	0.36	0.30
0			0.80	0.80	1.06	0.87	0.74	0.61	0.55	0.46	0.43	0.36	0.35	0.29
-0.5	1.08	1.08	1.27	1.27	1.07	0.87	0.73	0.61	0.55	0.46	0.43	0.36	0.35	0.29
-1.0	1.51	1.51	1.81	1.47	1.08	0.87	0.73	0.61	0.55	0.46	0.43	0.36
-1.5	2.03	2.03	1.93	1.50	1.09	0.89	0.74	0.62	0.56	0.47
-2.0	2.69	2.69	1.98	1.54	1.12	0.92	0.77	0.64
-2.5					0.78	0.78

Height (m)	Reach
1.0 m	1.5 m	2.0 m	2.5 m	3.0 m	3.5 m	4.0 m	4.5 m	Max reach
Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Reach m
4.0
3.5									0.59	0.48
3.0											0.49	0.42
2.5											0.49	0.42
2.0									0.63	0.54	0.49	0.41	0.38	0.32
1.5							0.82	0.69	0.61	0.52	0.47	0.40	0.38	0.32
1.0							0.78	0.65	0.59	0.50	0.46	0.39	0.37	0.31			0.34	0.29	4.20
0.5							0.76	0.63	0.57	0.48	0.45	0.38	0.36	0.31
0					1.08	0.88	0.75	0.62	0.57	0.48	0.45	0.38	0.36	0.31
-0.5	1.36	1.36	1.49	1.49	1.09	0.89	0.75	0.62	0.56	0.47	0.44	0.38
-1.0	1.90	1.90	1.95	1.52	1.11	0.90	0.76	0.63	0.57	0.48
-1.5	2.58	2.58	1.99	1.55	1.13	0.92	0.77	0.65	0.58	0.49
-2.0					1.02	0.96
-2.5

Height (m)	Reach
1.0 m	1.5 m	2.0 m	2.5 m	3.0 m	3.5 m	4.0 m	4.5 m	Max reach
Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Reach m
4.0
3.5											0.60	0.60
3.0
2.5											0.63	0.62	0.57	0.49
2.0									0.79	0.78	0.70	0.61	0.56	0.49
1.5							1.18	1.00	0.88	0.76	0.69	0.59	0.55	0.48	0.45	0.39
1.0							1.13	0.96	0.85	0.73	0.67	0.58	0.54	0.47	0.45	0.39	0.44	0.38	4.60
0.5							1.10	0.93	0.83	0.71	0.66	0.57	0.54	0.46
0					1.36	1.31	1.09	0.92	0.82	0.70	0.65	0.56	0.53	0.46
-0.5	1.39	1.39	1.45	1.45	1.61	1.32	1.09	0.92	0.82	0.70	0.65	0.55	0.53	0.46
-1.0	1.85	1.85	2.08	2.08	1.62	1.34	1.10	0.93	0.82	0.70	0.65	0.56
-1.5	2.41	2.41	2.46	2.33	1.65	1.36	1.11	0.94	0.83	0.71
-2.0			1.78	1.78	1.27	1.27	0.96	0.96
-2.5					0.65	0.65

Height (m)	Reach
1.0 m	1.5 m	2.0 m	2.5 m	3.0 m	3.5 m	4.0 m	4.5 m	Max reach
Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Front	Side	Reach m
4.0											0.55	0.55
3.5
3.0													0.53	0.50
2.5													0.55	0.49	0.46	0.40
2.0											0.63	0.61	0.56	0.49	0.45	0.39
1.5							1.07	1.02	0.84	0.76	0.69	0.59	0.55	0.48	0.45	0.39
1.0							1.14	0.96	0.85	0.73	0.67	0.58	0.54	0.47	0.44	0.38	0.40	0.34	4.70
0.5					1.05	1.05	1.10	0.93	0.83	0.71	0.65	0.56	0.53	0.46	0.44	0.38
0			0.81	0.81	1.36	1.30	1.08	0.91	0.81	0.69	0.64	0.55	0.52	0.45	0.43	0.37
-0.5	1.13	1.13	1.27	1.27	1.59	1.30	1.08	0.91	0.80	0.69	0.63	0.54	0.52	0.44
-1.0	1.52	1.52	1.76	1.76	1.60	1.31	1.08	0.91	0.80	0.68	0.63	0.54	0.52	0.45
-1.5	1.98	1.98	2.34	2.29	1.61	1.33	1.09	0.92	0.81	0.69	0.64	0.55
-2.0	2.52	2.52	2.30	2.30	1.54	1.35	1.11	0.93	0.83	0.71
-2.5			1.37	1.37	0.97	0.97	0.68	0.68

Tables

		STD. DIPPER 1.18 m	LONG DIPPER 1.47 m	STD. DIPPER 1.18 m	LONG DIPPER 1.47 m	STD. DIPPER 1.32 m	LONG DIPPER 1.59 m	STD. DIPPER 1.32 m	LONG DIPPER 1.59 m
A Min. swing radius	mm	1920	2000	2280*	2280 *	2040	2070	2350 *	2340 *
B Max. digging reach at ground level	mm	4780	5060	4780	5060	5110	5370	5110	5370
C Max. digging reach	mm	4930	5200	4930	5200	5240	5500	5240	5500
D Max. dumping height	mm	3360	3550	3060*	3200*	3580	3760	3290*	3430*
E Max. vertical digging depth	mm	2160	2430	2160	2430	2390	2650	2390	2650
F Max. digging height	mm	4770	4960	4430*	4580*	4980	5160	4660 *	4800*
G Max. digging depth	mm	2810	3100	2810	3100	3080	3350	3080	3350
X Dozer strokes (above)	mm	560	560	560	560	540	540	540	540
Y Dozer strokes (below)	mm	410	410	410	410	440	440	440	440
Bucket breakout force	kN		28		28	28			28
Dipperstick breakout force	kN	18	15	18	15	19	17	19	17
Bucket range	m3	0.05	to 0.12	0.05	to 0.12	0.05	to 0.12	0.05	to 0.12

Model	YANMAR 3TNV88P-PYB
Type	Water-cooled	4 cycle	direct injection	diesel engine*"
Cylinders	3
Bore and stroke	88 mm x 90 mm
Displacement	1650 cm3
Net output power (ISO 14396)	22 kW/30 hp @ 2400 rpm
Net maximum torque	98.4 Nm @ 1440 rpm
Starting motor	1.7 kW
Alternator	55 A / 12 V
Batteries	1 x 64 Ah

Fuel	38.0 litres
Coolant	4.6 litres
Engine oil	6.7 litres
Hydraulic system	48.0 litres

Travel speed (rubber/steel tracks)	low high	2.5 km/h 4.5 km/h
Gradeability		58% - 30°

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Case CX 31 B

Weight:: 3.25 t

Transport length:: 4.39 m

Transport width:: 1.55 m

Transport height:: 2.57 m

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