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308 CR VAB Mini Hydraulic Excavator

Net Power

69 hp

Operating Weight

21,080 lb

Dig Depth

150.2 in

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SPECIFICATIONS

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.

FULL SPECIFICATIONS

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).

Blade

Width - Standard

90.6 in

Width - Wide

96.5 in

Height

17 in

Certification - Cab and Canopy

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Top Guard

ISO 10262:1998 (Level I)

Dimensions - VAB In

Dig Depth

150.2 in

Vertical Wall

99.2 in

Maximum Reach at Ground Level

248 in

Maximum Reach

256.5 in

Maximum Dig Height

205.5 in

Maximum Dump Clearance

135.8 in

Boom in Reach

122.8 in

Tail Swing with Counterweight

62.4 in

Tail Swing without Counterweight

57.1 in

Maximum Blade Height

14.6 in

Maximum Blade Depth

16 in

Cab Height

100 in

Swing Bearing Height

29.8 in

Overall Undercarriage Length

113.4 in

Overall Shipping Length

253.9 in

Boom Swing Right

37 in

Boom Swing Left

24 in

Track Belt/Shoe Width

17.7 in

Overall Track Width

90.6 in

Ground Clearance

13.8 in

Stick Length

71.7 in

Dimensions - VAB Out

Dig Depth

136.2 in

Vertical Wall

146.7 in

Maximum Reach at Ground Level

303.7 in

Maximum Reach

310.4 in

Maximum Dig Height

322 in

Maximum Dump Clearance

247.4 in

Boom in Reach

106.7 in

Tail Swing with Counterweight

62.4 in

Tail Swing without Counterweight

57.1 in

Maximum Blade Height

14.6 in

Maximum Blade Depth

16 in

Cab Height

100 in

Swing Bearing Height

29.8 in

Overall Undercarriage Length

113.4 in

Overall Shipping Length

253.9 in

Boom Swing Right

37 in

Boom Swing Left

24 in

Track Belt/Shoe Width

17.7 in

Overall Track Width

90.6 in

Ground Clearance

13.8 in

Stick Length

71.7 in

Engine

Net Power

69 hp

Engine Model

Cat® C2.8 Turbo

Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC

69 hp

Gross Power - ISO 14396

74.3 hp

Bore

3.5 in

Stroke

4.3 in

Displacement

171 in³

Note

Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.

Note (1)

Advertised power is tested per the specified standard in effect at thetime of manufacture.

Note (2)

Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.

Hydraulic System

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Pump Flow at 2,400 rpm

44 gpm

Operating Pressure - Equipment

4,134 psi

Operating Pressure - Travel

4,134 psi

Operating Pressure - Swing

3,626 psi

Maximum Auxiliary Circuit - Primary - Flow at Pump

35 gpm

Maximum Auxiliary Circuit - Primary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - Secondary - Flow at Pump

9 gpm

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4,134 psi

Digging Force - Stick - Standard

9,509 lbf

Digging Force - Bucket

13,946 lbf

Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Service Refill Capacities

Cooling System

2.6 gal (US)

Engine Oil

3 gal (US)

Fuel Tank

39 gal (US)

Hydraulic Tank

14 gal (US)

Hydraulic System

29 gal (US)

Sound

Operator Sound Pressure (ISO 6396:2008)

72 dB(A)

Average Exterior Sound Pressure (ISO 6395:2008)

99 dB(A)

Note

European Union Directive "2000/14/EC"

Sustainability

Recyclability

96%

Swing System

Machine Swing Speed

10.6 r/min

Boom Swing - Left

60 degrees

Boom Swing - Right

50 degrees

Travel System

Travel Speed - High

3.2 mile/h

Travel Speed - Low

1.9 mile/h

Maximum Traction Force - High Speed

6,250 lbf

Maximum Traction Force - Low Speed

15,175 lbf

Ground Pressure - Minimum Weight

5.5 psi

Ground Pressure - Maximum Weight

6.1 psi

Gradeability - Maximum

30 degrees

Weight Increase from Minimum Configuration

Counterweight

552 lb

Steel Tracks with Pads

752 lb

Weights

Operating Weight

21,080 lb

Minimum Operating Weight with Standard Stick*

19,228 lb

Maximum Operating Weight with Standard Stick**

21,080 lb

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, (500 kg/1,103 lb) counterweight, operator, full fuel tank, blade, and no bucket.

STANDARD EQUIPMENT

ENGINE
- Cat C2.8 Turbo Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) - Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Swing Brake
- Automatic Two Speed Travel
- Fuel Water Separator with Indicator
- Radial Seal – Double Element Air Filter
- Extended Life Coolant, –37° C ( –35° F)
- Ecology Drain
HYDRAULICS
- Smart Tech Electronic Pump
- Electronic Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Power On Demand
- Hydraulic Temperature Monitoring
- Certified Accumulator
- HYDO Advanced Hydraulic Oil
OPERATOR ENVIRONMENT
- Sealed and Pressurized Cab
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer
- Adjustable Wrist Rests
- Molded Footrests
- Removable, Washable Floor Mat
- Travel Pedals and Hand Levers
- Cat Key with Passcode Option
- HVAC with Automatic Temperature Control
- Hydraulic Lockout Controls
- Integrated Lower Front Window
- Assisted Front Window Overhead Storage
- Rear Window Emergency Exit
- Cab Mirrors (vary by region)
- Fabric, High Back, Suspension Seat
- Retractable Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- LED Interior Light
- Literature Holder
- Mounting Bosses for Top and Front Guards
- 12V Power Socket
- Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
- Skylight
- Signaling/Warning Horn
- Cab and (left side) Boom Work Lights
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)
  – Jog Dial Interface
  – Fuel Level and Coolant Temperature Gauges
  – Maintenance and Machine Monitoring
  – Performance and Machine Adjustments
  – Numeric Security Code
  – Multiple Languages
  – Camera Ready (IP68 & IP69K)
  – Hour Meter with Wake Up Switch
UNDERCARRIAGE
- Greased and Lubricated Track
- Hydraulic Track Adjusters
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
TECHNOLOGY
- Product Link™ Elite (regulations apply)
BOOM, STICK AND LINKAGES
- Variable Angle Boom
- Standard Stick (1820 mm/71.7 in)
- Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
- Thumb Ready (not available in all regions)
ELECTRICAL
- 12 Volt Electrical System
- 60 Ampere Alternator
- Circuit Breaker
- 900 CCA Maintenance Free Battery
- Lock Out/Tag Out Battery Disconnect
- Ignition Key Stop Switch
- Rear Camera
GUARDING
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262 1998 (Level I)
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

OPTIONAL EQUIPMENT

HYDRAULICS
- Third Auxiliary
OPERATOR ENVIRONMENT
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- Seat Belt Reminder System
- Rain Visor
- Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
  – Touch Screen
  – Site Reference System
  – High Definition Camera Capable (IP68 & IP69K)
  – Numeric Security Code
TECHNOLOGY
- Ease of Use Indicate
- Ease of Use E-Fence
- Ease of Use Laser Catcher
- Cat Grade Advanced 2D
- Cat Grade 3D
UNDERCARRIAGE
- Wide Dozer Blade
- Steel Tracks (450 mm/17.7 in wide)
- Wide Steel Tracks (600 mm/23.6 in)
- Steel Track with Rubber Pads
- Track Guides
BOOM, STICK AND LINKAGES
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Certified Lifting Eye
ELECTRICAL
- Travel Alarm
- Rear and Side Camera
- Rotating Beacon
GUARDING
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO:10262 1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262 1998 (Level II)
- Track Guards
OTHER
- Counterweight (250 kg/551 lb)
- Counterweight (500 kg/1103 lb)
- Refueling Pump
- Water Jacket Heater