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308 CR Mini Hydraulic Excavator

Net Power

69.5 hp

Operating Weight

18,493 lb

Dig Depth

182.8 in

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SPECIFICATIONS

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.

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 - Standard

90.6 in

Width - Wide

96.5 in

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

Dimensions - Long Stick

Dig Depth

182.8 in

Note (2)

***With blade positioned at the rear of the machine.

Maximum Blade Height

14.6 in

O/A Track Width

90.6 in

Overall Shipping Length - without Counterweight

6872 mm (270.6 in)***

Boom Swing - Left

23.8 in

Cab Height

100 in

Boom In Reach

126.6 in

Vertical Wall

134 in

Height - Boom Transport - No Tools*

89 in

O/A Undercarriage Length

113.4 in

Boom Swing - Right

36.8 in

Maximum Dig Height

277.1 in

Ground Clearance

13.8 in

Track Belt/Shoe Width

17.7 in

Maximum Reach

300.7 in

Tail Swing with Counterweight

62.4 in

Maximum Dump Clearance

199.7 in

Maximum Blade Depth

16 in

Stick Length

92.8 in

Maximum Reach - Ground Level

293.7 in

Swing Bearing - Height

29.7 in

Tail Swing without Counterweight

57.1 in

Note

*Boom Height when stick is pinned in transport position with no attachments.

Note (1)

**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.

Height - Boom Working - With Tools**

120.1 in

Overall Shipping Length - with Counterweight

6872 mm (270.6 in)***

Dimensions - Standard Stick

Maximum Reach - Ground Level

273.6 in

Maximum Reach

281.1 in

Maximum Blade Depth

16 in

Height - Boom Transport - No Tools*

95.7 in

Ground Clearance

13.8 in

Note (1)

**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.

Boom Swing - Right

36.8 in

Maximum Blade Height

14.6 in

Maximum Dig Height

265.2 in

O/A Undercarriage Length

113.4 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.

Tail Swing with Counterweight

62.4 in

Track Belt/Shoe Width

17.7 in

Stick Length

71.7 in

Boom Swing - Left

23.8 in

O/A Track Width

90.6 in

Maximum Dump Clearance

187.4 in

Tail Swing without Counterweight

57.1 in

Swing Bearing - Height

29.7 in

Dig Depth

161.7 in

Overall Shipping Length - with Counterweight

264 in

Overall Shipping Length - without Counterweight

258.8 in

Height - Boom Working - With Tools**

104.7 in

Cab Height

100 in

Vertical Wall

117.8 in

Boom In Reach

120.4 in

Engine

Net Power

69.5 hp

Engine Model

Cat C3.3B

Bore

3.7 in

Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269

69.5 hp

Gross Power - SAE J1995:2014

74.3 hp

Stroke

4.7 in

Displacement

203 in³

Hydraulic System

Digging Force - Bucket

13,946 lb

Operating Pressure - Travel

4,134 psi

Operating Pressure - Swing

3,626 psi

Operating Pressure - Equipment

4,134 psi

Digging Force - Stick - Long

8,032 lb

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

44 gpm

Digging Force - Stick - Standard

9,509 lb

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

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)

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)

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 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

15,175 lb

Gradeability - Maximum

30 degrees

Weight Increase from Minimum Configuration

Steel Tracks with Pads

752 lb

Counterweight

552 lb

Long Stick

146 lb

Weights

Operating Weight

18,493 lb

Maximum Operating Weight with Cab**

18,493 lb

Minimum Operating Weight with Cab*

16,542 lb

Note (2)

**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Note (1)

*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

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

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)
TECHNOLOGY
- Ease of Use Indicate
- Ease of Use E-Fence
- Cat Grade Advanced 2D
- Cat Grade 3D
- Product Link Elite (regulations apply)