308 CR VAB Mini Hydraulic Excavator
The Cat® 308 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.
Specifications
Equipment
Product Brochures
Attachments
Units:
Engine
Net Power
69.5 hp
51.8 kW
Displacement
203 in³
3.33 l
Note
Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore
3.7 in
94 mm
Gross Power - SAE J1995
74.3 hp
55.4 kW
Stroke
4.7 in
120 mm
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC
69.5 hp
51.8 kW
Engine Model - U.S. EPA Tier 4 Final/EU Stage V
Cat® C3.3B
Weights
Operating Weight
20385 lb
9245 kg
Note (1)
*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket.
Maximum Operating Weight with Standard Stick**
20385 lb
9245 kg
Minimum Operating Weight with Standard Stick*
19084 lb
8655 kg
Weight Increase from Minimum Configuration
Counterweight
552 lb
250 kg
Steel Tracks with Pads
752 lb
341 kg
Travel System
Maximum Traction Force - High Speed
6250 lbf
27.8 kN
Travel Speed - Low
1.9 mile/h
3.1 km/h
Ground Pressure - Maximum Weight
5.9 psi
40.6 kPa
Travel Speed - High
3.2 mile/h
5.1 km/h
Gradeability - Maximum
30 degrees
Ground Pressure - Minimum Weight
5.5 psi
37.9 kPa
Maximum Traction Force - Low Speed
15175 lbf
67.5 kN
Service Refill Capacities
Engine Oil
3 gal (US)
11.2 l
Cooling System
2.6 gal (US)
10 l
Hydraulic System
29 gal (US)
110 l
Hydraulic Tank
14 gal (US)
53 l
Fuel Tank
39 gal (US)
147 l
Hydraulic System
Digging Force - Bucket
13946 lbf
62 kN
Operating Pressure - Equipment
4134 psi
285 bar
Pump Flow at 2,400 rpm
44 gal/min
167 l/min
Operating Pressure - Travel
4134 psi
285 bar
Digging Force - Stick - Standard
9509 lbf
42.3 kN
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing
3626 psi
250 bar
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134 psi
285 bar
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134 psi
285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gal/min
131 l/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gal/min
33 l/min
Swing System
Machine Swing Speed
10.6 r/min
10.6 r/min
Boom Swing - Right
50 degrees
Boom Swing - Left
60 degrees
Blade
Height
17 in
431 mm
Width - Wide
96.5 in
2450 mm
Width - Standard
90.6 in
2300 mm
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level II)
Sound
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
72 dB(A)
Note
European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
99 dB(A)
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.
Dimensions - VAB In
Dig Depth
150.2 in
3815 mm
Tail Swing with Counterweight
62.4 in
1585 mm
Maximum Blade Height
14.6 in
370 mm
Track Belt/Shoe Width
17.7 in
450 mm
Maximum Dump Clearance
135.8 in
3450 mm
Vertical Wall
99.2 in
2520 mm
Boom in Reach
122.8 in
3120 mm
Ground Clearance
13.8 in
350 mm
Swing Bearing Height
29.8 in
756 mm
Boom Swing Right
37 in
935 mm
Overall Track Width
90.6 in
2300 mm
Overall Shipping Length
253.9 in
6450 mm
Transport Height
97.4 in
2475 mm
Cab Height
100 in
2541 mm
Overall Undercarriage Length
113.4 in
2880 mm
Maximum Reach
256.5 in
6515 mm
Tail Swing without Counterweight
57.1 in
1450 mm
Maximum Reach at Ground Level
248 in
6300 mm
Stick Length
71.7 in
1820 mm
Maximum Blade Depth
16 in
407 mm
Boom Swing Left
24 in
605 mm
Maximum Dig Height
205.5 in
5220 mm
Dimensions - VAB Out
Dig Depth
136.2 in
3460 mm
Overall Shipping Length
253.9 in
6450 mm
Stick Length
71.7 in
1820 mm
Track Belt/Shoe Width
17.7 in
450 mm
Swing Bearing Height
29.8 in
756 mm
Maximum Blade Depth
16 in
407 mm
Maximum Reach at Ground Level
303.7 in
7715 mm
Transport Height
97.4 in
2475 mm
Boom in Reach
106.7 in
2710 mm
Overall Undercarriage Length
113.4 in
2880 mm
Maximum Reach
310.4 in
7885 mm
Maximum Dump Clearance
247.4 in
6285 mm
Ground Clearance
13.8 in
350 mm
Vertical Wall
146.7 in
3725 mm
Tail Swing with Counterweight
62.4 in
1585 mm
Tail Swing without Counterweight
57.1 in
1450 mm
Boom Swing Left
24 in
605 mm
Maximum Blade Height
14.6 in
370 mm
Cab Height
100 in
2541 mm
Maximum Dig Height
322 in
8180 mm
Boom Swing Right
37 in
935 mm
Overall Track Width
90.6 in
2300 mm
Sustainability
Recyclability
96%
Standard Equipment
ENGINE
HYDRAULICS
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
OTHER
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