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308 CR Mini Hydraulic Excavator

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Product Specs

Engine

Net Power
69.5 hp
Engine Model
Cat C3.3B
Gross Power - SAE J1995
74.3 hp
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
69.5 hp
Stroke
4.7 in
Bore
3.7 in
Displacement
203 in³

Weights

Operating Weight
18493 lb
Note (1)
*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Maximum Operating Weight with Cab**
18493 lb
Minimum Operating Weight with Cab*
16542 lb

Dimensions - Long Stick

Dig Depth
182.8 in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Note (2)
***With blade positioned at the rear of the machine.
Note (1)
**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Height - Boom Transport - No Tools*
89 in
Height - Boom Working - With Tools**
120.1 in
Overall Shipping Length - without Counterweight
6872 mm (270.6 in)***
Overall Shipping Length - with Counterweight
6872 mm (270.6 in)***
Boom Swing - Left
23.8 in
Maximum Dig Height
277.1 in
Maximum Blade Height
14.6 in
Track Belt/Shoe Width
17.7 in
Cab Height
100 in
Tail Swing with Counterweight
62.4 in
O/A Undercarriage Length
113.4 in
Maximum Dump Clearance
199.7 in
Boom Swing - Right
36.8 in
Maximum Blade Depth
16 in
Ground Clearance
13.8 in
Stick Length
92.8 in
Maximum Reach
300.7 in
Maximum Reach - Ground Level
293.7 in
Boom In Reach
126.6 in
Swing Bearing - Height
29.7 in
O/A Track Width
90.6 in
Tail Swing without Counterweight
57.1 in
Vertical Wall
134 in

Blade

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

Hydraulic System

Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gal/min
Digging Force - Bucket
13946 lb
Operating Pressure - Travel
4134 psi
Operating Pressure - Swing
3626 psi
Operating Pressure - Equipment
4134 psi
Digging Force - Stick - Long
8032 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
44 gal/min
Digging Force - Stick - Standard
9509 lb

Dimensions - Standard Stick

Note
*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight
264 in
Note (1)
**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - without Counterweight
258.8 in
Note (2)
***With blade positioned at the rear of the machine.
Height - Boom Working - With Tools**
104.7 in
Height - Boom Transport - No Tools*
95.7 in
Cab Height
100 in
Vertical Wall
117.8 in
Boom In Reach
120.4 in
Tail Swing with Counterweight
62.4 in
Boom Swing - Right
36.8 in
Track Belt/Shoe Width
17.7 in
Maximum Reach
281.1 in
Stick Length
71.7 in
Maximum Blade Height
14.6 in
Boom Swing - Left
23.8 in
Maximum Blade Depth
16 in
O/A Track Width
90.6 in
Maximum Dig Height
265.2 in
Maximum Dump Clearance
187.4 in
Maximum Reach - Ground Level
273.6 in
Tail Swing without Counterweight
57.1 in
O/A Undercarriage Length
113.4 in
Swing Bearing - Height
29.7 in
Ground Clearance
13.8 in
Dig Depth
161.7 in

Swing System

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

Service Refill Capacities

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

Travel System

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

Weight Increase from Minimum Configuration

Steel Tracks with Pads
752 lb
Counterweight
552 lb
Long Stick
146 lb

Sustainability

Recyclability
96%

Certification - Cab

Top Guard
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008

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.

Sound

Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
Note
European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)

Standard Equipment

  • Engine
    • Cat C3.3B 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)
  • Hydraulics
    • 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
    • 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
    • Tie Down Eyes on Track Frame
    • Dozer Blade
    • Dozer Float
    • Bolt-on, Reversible Wear Edge
  • Boom, Stick And Linkages
    • One Piece Boom (3400 mm/133.9 in)
    • 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
  • Technology
    • Product Link Basic

Attachments

  • 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
    • Long Stick (2360 mm/92.9 in)
    • 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
    • Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)
  • Technology
    • Ease of Use Indicate
    • Ease of Use E-Fence
    • Cat Grade Advanced 2D
    • Cat Grade 3D
    • Product Link Elite (regulations apply)

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