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308 CR VAB Mini Hydraulic Excavator

At a glance data:

308 CR VAB Mini Hydraulic Excavator

Overview

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.

Engine

Net Power:
69.5hp
Displacement:
203in³
Note:
Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore:
3.7in
Gross Power - SAE J1995:
74.3hp
Stroke:
4.7in
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC:
69.5hp
Engine Model - U.S. EPA Tier 4 Final/EU Stage V:
Cat® C3.3B

Weights

Operating Weight:
20385lb
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**:
20385lb
Minimum Operating Weight with Standard Stick*:
19084lb

Weight Increase from Minimum Configuration

Counterweight:
552lb
Steel Tracks with Pads:
752lb

Travel System

Maximum Traction Force - High Speed:
6250lbf
Travel Speed - Low:
1.9mile/h
Ground Pressure - Maximum Weight:
5.9psi
Travel Speed - High:
3.2mile/h
Gradeability - Maximum:
30 degrees
Ground Pressure - Minimum Weight:
5.5psi
Maximum Traction Force - Low Speed:
15175lbf

Service Refill Capacities

Engine Oil:
3gal (US)
Cooling System:
2.6gal (US)
Hydraulic System:
29gal (US)
Hydraulic Tank:
14gal (US)
Fuel Tank:
39gal (US)

Hydraulic System

Digging Force - Bucket:
13946lbf
Operating Pressure - Equipment:
4134psi
Pump Flow at 2,400 rpm:
44gal/min
Operating Pressure - Travel:
4134psi
Digging Force - Stick - Standard:
9509lbf
Type:
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing:
3626psi
Note:
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump:
4134psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump:
4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump:
35gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump:
9gal/min

Swing System

Machine Swing Speed:
10.6r/min
Boom Swing - Right:
50 degrees
Boom Swing - Left:
60 degrees

Blade

Height:
17in
Width - Wide:
96.5in
Width - Standard:
90.6in

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):
72dB(A)
Note:
European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008):
99dB(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:
150.2in
Tail Swing with Counterweight:
62.4in
Maximum Blade Height:
14.6in
Track Belt/Shoe Width:
17.7in
Maximum Dump Clearance:
135.8in
Vertical Wall:
99.2in
Boom in Reach:
122.8in
Ground Clearance:
13.8in
Swing Bearing Height:
29.8in
Boom Swing Right:
37in
Overall Track Width:
90.6in
Overall Shipping Length:
253.9in
Transport Height:
97.4in
Cab Height:
100in
Overall Undercarriage Length:
113.4in
Maximum Reach:
256.5in
Tail Swing without Counterweight:
57.1in
Maximum Reach at Ground Level:
248in
Stick Length:
71.7in
Maximum Blade Depth:
16in
Boom Swing Left:
24in
Maximum Dig Height:
205.5in

Dimensions - VAB Out

Dig Depth:
136.2in
Overall Shipping Length:
253.9in
Stick Length:
71.7in
Track Belt/Shoe Width:
17.7in
Swing Bearing Height:
29.8in
Maximum Blade Depth:
16in
Maximum Reach at Ground Level:
303.7in
Transport Height:
97.4in
Boom in Reach:
106.7in
Overall Undercarriage Length:
113.4in
Maximum Reach:
310.4in
Maximum Dump Clearance:
247.4in
Ground Clearance:
13.8in
Vertical Wall:
146.7in
Tail Swing with Counterweight:
62.4in
Tail Swing without Counterweight:
57.1in
Boom Swing Left:
24in
Maximum Blade Height:
14.6in
Cab Height:
100in
Maximum Dig Height:
322in
Boom Swing Right:
37in
Overall Track Width:
90.6in

Sustainability

Recyclability:
96%

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