At a glance data:
Engine Model:
Cat® C2.8 Turbo
Overview
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.
Category:
Mini Excavators
Category:
Mini Excavators
Brand:
Cat
Brand:
Cat
Engine
Net Power:
69hp
Engine Model:
Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC:
69hp
Gross Power - ISO 14396:
74.3hp
Bore:
3.5in
Stroke:
4.3in
Displacement:
171in³
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.
Weights
Operating Weight:
20771lb
Minimum Operating Weight with Cab*:
18754lb
Maximum Operating Weight with Cab**:
20771lb
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.
Weight Increase from Minimum Configuration
Counterweight:
551lb
Counterweight (extra):
1103lb
Long Stick:
146lb
Steel Tracks with Pads:
752lb
Angle Blade:
490lb
Travel System
Travel Speed - High:
3.2mile/h
Travel Speed - Low:
1.9mile/h
Maximum Traction Force - High Speed:
6250lb
Maximum Traction Force - Low Speed:
15175lb
Ground Pressure - Minimum Weight:
5.4psi
Ground Pressure - Maximum Weight:
6psi
Gradeability - Maximum:
30 degrees
Service Refill Capacities
Cooling System:
2.6gal (US)
Engine Oil:
2.3gal (US)
Fuel Tank:
39gal (US)
Hydraulic Tank:
14gal (US)
Hydraulic System:
29gal (US)
Hydraulic System
Type:
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm:
44gpm
Operating Pressure - Equipment:
4134psi
Operating Pressure - Travel:
4134psi
Operating Pressure - Swing:
3626psi
Maximum Auxiliary Circuit - Primary - Flow at Pump:
35gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump:
4134psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump:
9gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump:
4134psi
Digging Force - Stick - Standard:
9509lb
Digging Force - Stick - Long:
8032lb
Digging Force - Bucket:
13946lb
Note:
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Swing System
Machine Swing Speed:
10.6r/min
Boom Swing - Left:
60 degrees
Boom Swing - Right:
50 degrees
Blade
Width - Standard:
90.6in
Width - Wide:
96.5in
Height:
17in
Angle Blade Width:
90.6in
Angle Blade Height:
17.5in
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 - Standard Stick
Dig Depth:
161.7in
Vertical Wall:
117.8in
Maximum Reach - Ground Level:
273.6in
Maximum Reach:
281.1in
Maximum Dig Height:
265.2in
Maximum Dump Clearance:
187.4in
Boom In Reach:
120.4in
Tail Swing with Counterweight:
62.4in
Tail Swing without Counterweight:
57.1in
Maximum Blade Height:
14.6in
Maximum Blade Depth:
16in
Height - Boom Transport - No Tools*:
95.7in
Height - Boom Working - With Tools**:
104.7in
Cab Height:
100in
Swing Bearing - Height:
29.7in
O/A Undercarriage Length:
113.4in
Overall Shipping Length - with Counterweight:
264in
Overall Shipping Length - without Counterweight:
258.8in
Boom Swing - Right:
36.8in
Boom Swing - Left:
23.8in
Track Belt/Shoe Width:
17.7in
O/A Track Width:
90.6in
Ground Clearance:
13.8in
Stick Length:
71.7in
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 - Long Stick
Dig Depth:
182.8in
Vertical Wall:
134in
Maximum Reach - Ground Level:
293.7in
Maximum Reach:
300.7in
Maximum Dig Height:
277.1in
Maximum Dump Clearance:
199.7in
Boom In Reach:
126.6in
Tail Swing with Counterweight:
62.4in
Tail Swing without Counterweight:
57.1in
Maximum Blade Height:
14.6in
Maximum Blade Depth:
16in
Height - Boom Transport - No Tools*:
89in
Height - Boom Working - With Tools**:
120.1in
Cab Height:
100in
Swing Bearing - Height:
29.7in
O/A Undercarriage Length:
113.4in
Overall Shipping Length - with Counterweight:
6872 mm (270.6 in)***
Overall Shipping Length - without Counterweight:
6872 mm (270.6 in)***
Boom Swing - Right:
36.8in
Boom Swing - Left:
23.8in
Track Belt/Shoe Width:
17.7in
O/A Track Width:
90.6in
Ground Clearance:
13.8in
Stick Length:
92.8in
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.
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).
Sound
Operator Sound Pressure (ISO 6396:2008):
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008):
99dB(A)
Note:
European Union Directive "2000/14/EC"
Sustainability
Recyclability:
96%
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
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