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308 CR Mini Hydraulic Excavator

Net Power

69 hp

Operating Weight

20,771 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 or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).

Blade

Width - Standard

90.6 in

Width - Wide

96.5 in

Height

17 in

Angle Blade Width

90.6 in

Angle Blade Height

17.5 in

Angle Blade - Left

25 degrees

Angle Blade - Right

25 degrees

Certification - Cab

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Top Guard

ISO 10262:1998 (Level I)

Dimensions - Long Stick

Dig Depth

182.8 in

Vertical Wall

134 in

Maximum Reach - Ground Level

293.7 in

Maximum Reach

300.7 in

Maximum Dig Height

277.1 in

Maximum Dump Clearance

199.7 in

Boom In Reach

126.6 in

Tail Swing with Counterweight

62.4 in

Tail Swing without Counterweight

57.1 in

Maximum Blade Height

14.6 in

Maximum Blade Depth

16 in

Height - Boom Transport - No Tools*

89 in

Height - Boom Working - With Tools**

120.1 in

Cab Height

100 in

Swing Bearing - Height

29.7 in

O/A Undercarriage Length

113.4 in

Overall Shipping Length - with Counterweight

6872 mm (270.6 in)***

Overall Shipping Length - without Counterweight

6872 mm (270.6 in)***

Boom Swing - Right

36.8 in

Boom Swing - Left

23.8 in

Track Belt/Shoe Width

17.7 in

O/A Track Width

90.6 in

Ground Clearance

13.8 in

Stick Length

92.8 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.

Note (2)

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

Dimensions - Standard Stick

Dig Depth

161.7 in

Vertical Wall

117.8 in

Maximum Reach - Ground Level

273.6 in

Maximum Reach

281.1 in

Maximum Dig Height

265.2 in

Maximum Dump Clearance

187.4 in

Boom In Reach

120.4 in

Tail Swing with Counterweight

62.4 in

Tail Swing without Counterweight

57.1 in

Maximum Blade Height

14.6 in

Maximum Blade Depth

16 in

Height - Boom Transport - No Tools*

95.7 in

Height - Boom Working - With Tools**

104.7 in

Cab Height

100 in

Swing Bearing - Height

29.7 in

O/A Undercarriage Length

113.4 in

Overall Shipping Length - with Counterweight

264 in

Overall Shipping Length - without Counterweight

258.8 in

Boom Swing - Right

36.8 in

Boom Swing - Left

23.8 in

Track Belt/Shoe Width

17.7 in

O/A Track Width

90.6 in

Ground Clearance

13.8 in

Stick Length

71.7 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.

Note (2)

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

Engine

Net Power

69 hp

Engine Model

Cat® C2.8 Turbo

Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC

69 hp

Gross Power - ISO 14396

74.3 hp

Bore

3.5 in

Stroke

4.3 in

Displacement

171 in³

Note

Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.

Note (1)

Advertised power is tested per the specified standard in effect at the time of manufacture.

Note (2)

Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.

Hydraulic System

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Pump Flow at 2,400 rpm

44 gpm

Operating Pressure - Equipment

4,134 psi

Operating Pressure - Travel

4,134 psi

Operating Pressure - Swing

3,626 psi

Maximum Auxiliary Circuit - Primary - Flow at Pump

35 gpm

Maximum Auxiliary Circuit - Primary - Pressure at Pump

4,134 psi

Maximum Auxiliary Circuit - Secondary - Flow at Pump

9 gpm

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4,134 psi

Digging Force - Stick - Standard

9,509 lb

Digging Force - Stick - Long

8,032 lb

Digging Force - Bucket

13,946 lb

Note

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

Service Refill Capacities

Cooling System

2.6 gal (US)

Engine Oil

2.3 gal (US)

Fuel Tank

39 gal (US)

Hydraulic Tank

14 gal (US)

Hydraulic System

29 gal (US)

Sound

Operator Sound Pressure (ISO 6396:2008)

72 dB(A)

Average Exterior Sound Pressure (ISO 6395:2008)

99 dB(A)

Note

European Union Directive "2000/14/EC"

Sustainability

Recyclability

96%

Swing System

Machine Swing Speed

10.6 r/min

Boom Swing - Left

60 degrees

Boom Swing - Right

50 degrees

Travel System

Travel Speed - High

3.2 mile/h

Travel Speed - Low

1.9 mile/h

Maximum Traction Force - High Speed

6,250 lb

Maximum Traction Force - Low Speed

15,175 lb

Ground Pressure - Minimum Weight

5.4 psi

Ground Pressure - Maximum Weight

6 psi

Gradeability - Maximum

30 degrees

Weight Increase from Minimum Configuration

Counterweight

551 lb

Counterweight (extra)

1,103 lb

Long Stick

146 lb

Steel Tracks with Pads

752 lb

Angle Blade

490 lb

Weights

Operating Weight

20,771 lb

Minimum Operating Weight with Cab*

18,754 lb

Maximum Operating Weight with Cab**

20,771 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, (500 kg/1,103 lb) counterweight, operator, full fuel tank, long stick, blade and no bucket.

STANDARD EQUIPMENT

ENGINE
- Cat C2.8 Turbo Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) - Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
- Cat C2.8 Turbo Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) - Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
- Automatic Engine Idle
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Engine Shutdown
- Automatic Swing Brake
- Automatic Swing Brake
- Automatic Two Speed Travel
- Automatic Two Speed Travel
- Fuel Water Separator with Indicator
- Fuel Water Separator with Indicator
- Radial Seal – Double Element Air Filter
- Radial Seal – Double Element Air Filter
- Extended Life Coolant, –37° C (–35° F)
- Extended Life Coolant, –37° C (–35° F)
HYDRAULICS
- Electronic Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Electronic Variable Displacement Piston Pump
- Power On Demand
- Load Sensing/Flow Sharing Hydraulics
- Hydraulic Temperature Monitoring
- Power On Demand
- Certified Accumulator
- Hydraulic Temperature Monitoring
- HYDO Advanced Hydraulic Oil
- Certified Accumulator
- HYDO Advanced Hydraulic Oil
OPERATOR ENVIRONMENT
- Stick Steer Mode
- Travel Cruise Control
- Top Guard ISO 10262 1998 Level I
- Control Pattern Changer
- ROPS ISO 12117-2:2008
- Adjustable Wrist Rests
- Stick Steer Mode
- Molded Footrests
- Travel Cruise Control
- Removable, Washable Floor Mat
- Control Pattern Changer
- Travel Pedals and Hand Levers
- Adjustable Wrist Rests
- Cat Key with Passcode Option
- Molded Footrests
- HVAC with Automatic Temperature Control
- Removable, Washable Floor Mat
- Hydraulic Lockout Controls
- Travel Pedals and Hand Levers
- Integrated Lower Front Window
- Cat Key with Passcode Option
- Assisted Front Window Overhead Storage
- HVAC with Automatic Temperature Control
- Rear Window Emergency Exit
- Hydraulic Lockout Controls
- Fabric, High Back, Suspension Seat
- Integrated Lower Front Window
- Retractable Seat Belt (75 mm/3 in)
- Assisted Front Window Overhead Storage
- Coat Hook
- Rear Window Emergency Exit
- Cup Holder
- Fabric, High Back, Suspension Seat
- LED Interior Light
- Retractable Seat Belt (75 mm/3 in)
- Literature Holder
- Coat Hook
- Mounting Bosses for Top and Front Guards
- Cup Holder
- 12V Power Socket
- LED Interior Light
- Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
- Literature Holder
- Skylight
- Mounting Bosses for Top and Front Guards
- Signaling/Warning Horn
- 12V Power Socket
- Cab and (left side) Boom Work Lights
- Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
- Utility Space for Mobile Phone
- Skylight
- 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
- 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
TECHNOLOGY
- Product Link™ Elite (regulations apply)
UNDERCARRIAGE
- Greased and Lubricated Track
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Greased and Lubricated Track
- Bolt-on, Reversible Wear Edge
- 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)
- 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)
GUARDING
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262 1998 (Level I)
ELECTRICAL
- 12 Volt Electrical System
- 60 Ampere Alternator
- Circuit Breaker
- 900 CCA Maintenance Free Battery
- Lock Out/Tag Out Battery Disconnect
- Ignition Key Stop Switch
- 12 Volt Electrical System
- Rear Camera
- 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
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

OPTIONAL EQUIPMENT

OPERATOR ENVIRONMENT
- Push to Start with Bluetooth® Key
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- Air Suspension Heated Seat
- Rain Visor
- Seat Belt Reminder System
- 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
- 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
- Wide Dozer Blade
- Dozer Angle Blade
- Steel Tracks (450 mm/17.7 in wide)
- Wide Steel Tracks (600 mm/23.6 in)
- Steel Track with Rubber Pads
- Track Guides
- Dozer Angle Blade
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
- Long Stick (2360 mm/92.9 in)
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve (Standard in Europe)
- Stick Lowering Check Valve (Standard in Europe)
- Certified Lifting Eye
ELECTRICAL
- Product Link™ Elite (regulations apply)
- Travel Alarm
- Rearview Camera
- Rotating Beacon
- 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
- Top Guard 10262 1998 (Level II)
- Polycarbonate Front Window EN356 P5A
- Front Guard (Mesh) ISO 10262 1998 (Level I)
- Track Guards
- Front Guard (Heavy Duty) ISO 10262 1998 (Level II)
- Track Guards
OTHER
- Additional Counterweight
- Counterweight (250 kg/551 lb)
- Water Jacket Heater
- Counterweight (500 kg/1103 lb)
- Refueling Pump
- Water Jacket Heater
- Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)
- 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
- Ease of Use Laser Catcher
- Cat Grade Advanced 2D
- Cat Grade 3D
- Ease of Use Indicate
- Ease of Use E-Fence
- Cat Grade Advanced 2D
- Cat Grade 3D
- Product Link Elite (regulations apply)
HYDRAULICS
- Third Auxiliary
- Third Auxiliary