308 CR Mini Hydraulic Excavator

The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Engine
Net Power
69.5HP
Engine Model
Cat C3.3B
Stroke
4.7in
Bore
3.7in
Gross Power - SAE J1995
74.3HP
Displacement
203in³
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
69.5HP
Weights
Operating Weight
20077lb
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**
20077lb
Minimum Operating Weight with Cab*
18610lb
Dimensions - Long Stick
Dig Depth
182.8in
Boom Swing - Left
23.8in
Maximum Dig Height
277.1in
Maximum Blade Height
14.6in
Track Belt/Shoe Width
17.7in
Cab Height
100in
Tail Swing with Counterweight
62.4in
O/A Undercarriage Length
113.4in
Maximum Dump Clearance
199.7in
Boom Swing - Right
36.8in
Maximum Blade Depth
16in
Ground Clearance
13.8in
Stick Length
92.8in
Maximum Reach
300.7in
Maximum Reach - Ground Level
293.7in
Boom In Reach
126.6in
Swing Bearing - Height
29.7in
O/A Track Width
90.6in
Tail Swing without Counterweight
57.1in
Vertical Wall
134in
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*
89in
Height - Boom Working - With Tools**
120.1in
Overall Shipping Length - without Counterweight
6872 mm (270.6 in)***
Overall Shipping Length - with Counterweight
6872 mm (270.6 in)***
Blade
Height
17in
Width - Standard
90.6in
Width - Wide
96.5in
Weight Increase from Minimum Configuration
Steel Tracks with Pads
752lb
Counterweight
552lb
Long Stick
146lb
Travel System
Maximum Traction Force - High Speed
6250lb
Ground Pressure - Maximum Weight
5.8psi
Ground Pressure - Minimum Weight
5.4psi
Travel Speed - High
3.2mile/h
Travel Speed - Low
1.9mile/h
Maximum Traction Force - Low Speed
15175lb
Gradeability - Maximum
30 degrees
Service Refill Capacities
Fuel Tank
39gal (US)
Hydraulic System
29gal (US)
Hydraulic Tank
14gal (US)
Cooling System
2.6gal (US)
Engine Oil
3gal (US)
Hydraulic System
Digging Force - Bucket
13946lb
Operating Pressure - Travel
4134psi
Operating Pressure - Swing
3626psi
Operating Pressure - Equipment
4134psi
Digging Force - Stick - Long
8032lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm
44gal/min
Digging Force - Stick - Standard
9509lb
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
Certification - Cab
Top Guard
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
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)
Dimensions - Standard Stick
Cab Height
100in
Vertical Wall
117.8in
Boom In Reach
120.4in
Tail Swing with Counterweight
62.4in
Boom Swing - Right
36.8in
Track Belt/Shoe Width
17.7in
Maximum Reach
281.1in
Stick Length
71.7in
Maximum Blade Height
14.6in
Boom Swing - Left
23.8in
Maximum Blade Depth
16in
O/A Track Width
90.6in
Maximum Dig Height
265.2in
Maximum Dump Clearance
187.4in
Maximum Reach - Ground Level
273.6in
Tail Swing without Counterweight
57.1in
O/A Undercarriage Length
113.4in
Swing Bearing - Height
29.7in
Ground Clearance
13.8in
Dig Depth
161.7in
Note
*Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight
264in
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
258.8in
Note (2)
***With blade positioned at the rear of the machine.
Height - Boom Working - With Tools**
104.7in
Height - Boom Transport - No Tools*
95.7in
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.

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
 

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
  • 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)
 

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    Share This Product