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308 CR VAB Mini Hydraulic Excavator

Net Power

69.5 hp

Operating Weight

20,385 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 (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Blade

Height

17 in

Width - Wide

96.5 in

Width - Standard

90.6 in

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)

Dimensions - VAB In

Dig Depth

150.2 in

Transport Height

97.4 in

Maximum Dump Clearance

135.8 in

Swing Bearing Height

29.8 in

Tail Swing without Counterweight

57.1 in

Boom Swing Left

24 in

Maximum Blade Height

14.6 in

Boom in Reach

122.8 in

Overall Track Width

90.6 in

Overall Undercarriage Length

113.4 in

Stick Length

71.7 in

Tail Swing with Counterweight

62.4 in

Track Belt/Shoe Width

17.7 in

Vertical Wall

99.2 in

Ground Clearance

13.8 in

Boom Swing Right

37 in

Overall Shipping Length

253.9 in

Cab Height

100 in

Maximum Reach

256.5 in

Maximum Reach at Ground Level

248 in

Maximum Blade Depth

16 in

Maximum Dig Height

205.5 in

Dimensions - VAB Out

Stick Length

71.7 in

Maximum Reach at Ground Level

303.7 in

Cab Height

100 in

Dig Depth

136.2 in

Swing Bearing Height

29.8 in

Boom in Reach

106.7 in

Boom Swing Left

24 in

Boom Swing Right

37 in

Overall Shipping Length

253.9 in

Track Belt/Shoe Width

17.7 in

Maximum Reach

310.4 in

Maximum Blade Depth

16 in

Ground Clearance

13.8 in

Transport Height

97.4 in

Tail Swing with Counterweight

62.4 in

Overall Undercarriage Length

113.4 in

Maximum Dump Clearance

247.4 in

Vertical Wall

146.7 in

Tail Swing without Counterweight

57.1 in

Maximum Blade Height

14.6 in

Maximum Dig Height

322 in

Overall Track Width

90.6 in

Engine

Net Power

69.5 hp

Displacement

203 in³

Note

Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.

Stroke

4.7 in

Bore

3.7 in

Engine Model - U.S. EPA Tier 4 Final/EU Stage V

Cat® C3.3B

Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC

69.5 hp

Gross Power - SAE J1995:2014

74.3 hp

Hydraulic System

Digging Force - Bucket

13,946 lbf

Operating Pressure - Equipment

4,134 psi

Pump Flow at 2,400 rpm

44 gpm

Operating Pressure - Travel

4,134 psi

Digging Force - Stick - Standard

9,509 lbf

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Operating Pressure - Swing

3,626 psi

Note

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

Maximum Auxiliary Circuit - Primary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - Primary - Flow at Pump

35 gpm

Maximum Auxiliary Circuit - Secondary - Flow at Pump

9 gpm

Service Refill Capacities

Engine Oil

3 gal (US)

Cooling System

2.6 gal (US)

Hydraulic System

29 gal (US)

Hydraulic Tank

14 gal (US)

Fuel Tank

39 gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

99 dB(A)

Note

European Union Directive "2000/14/EC"

Operator Sound Pressure (ISO 6396:2008)

72 dB(A)

Sustainability

Recyclability

96%

Swing System

Machine Swing Speed

10.6 r/min

Boom Swing - Right

50 degrees

Boom Swing - Left

60 degrees

Travel System

Maximum Traction Force - High Speed

6,250 lbf

Travel Speed - Low

1.9 mile/h

Ground Pressure - Maximum Weight

5.9 psi

Travel Speed - High

3.2 mile/h

Gradeability - Maximum

30 degrees

Ground Pressure - Minimum Weight

5.5 psi

Maximum Traction Force - Low Speed

15,175 lbf

Weight Increase from Minimum Configuration

Counterweight

552 lb

Steel Tracks with Pads

752 lb

Weights

Operating Weight

20,385 lb

Maximum Operating Weight with Standard Stick**

20,385 lb

Minimum Operating Weight with Standard Stick*

19,084 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, counterweight, operator, full fuel tank, blade, and no bucket.

STANDARD EQUIPMENT

ENGINE
- Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- 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
- Top Guard ISO 10262 1998 Level I
- ROPS ISO 12117-2:2008
- 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
- 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
- Bolt-on, Reversible Wear Edge
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
- Battery Disconnect
- Ignition Key Stop Switch
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

OPTIONAL EQUIPMENT

OPERATOR ENVIRONMENT
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- 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
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
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Certified Lifting Eye
ELECTRICAL
- Product Link Elite (regulations apply)
- Travel Alarm
- Rearview Camera
- Rotating Beacon
GUARDING
- Mesh Front Guard ISO 10262 1998 Level I
- Heavy Duty Front Guard ISO 10262 1998 Level II
- Overhead Cab Guard ISO 10262 1998 Level II
- Polycarbonate Front Window EN356 P5A
- Track Guards
OTHER
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump