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.
| Net Power | 69 hp |
| Operating Weight | 20771 lb |
| Dig Depth | 182.8 in |
| 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. |
| Operating Weight | 20771 lb |
| Minimum Operating Weight with Cab* | 18754 lb |
| Maximum Operating Weight with Cab** | 20771 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. |
| 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. |
| 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. |
| Counterweight | 551 lb |
| Counterweight (extra) | 1103 lb |
| Long Stick | 146 lb |
| Steel Tracks with Pads | 752 lb |
| Angle Blade | 490 lb |
| Travel Speed – High | 3.2 mile/h |
| Travel Speed – Low | 1.9 mile/h |
| Maximum Traction Force – High Speed | 6250 lbf |
| Maximum Traction Force – Low Speed | 15175 lbf |
| Ground Pressure – Minimum Weight | 5.4 psi |
| Ground Pressure – Maximum Weight | 6 psi |
| Gradeability – Maximum | 30 degrees |
| 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) |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 44 gpm |
| Operating Pressure – Equipment | 4134 psi |
| Operating Pressure – Travel | 4134 psi |
| Operating Pressure – Swing | 3626 psi |
| Maximum Auxiliary Circuit – Primary – Flow at Pump | 35 gpm |
| Maximum Auxiliary Circuit – Primary – Pressure at Pump | 4134 psi |
| Maximum Auxiliary Circuit – Secondary – Flow at Pump | 9 gpm |
| Maximum Auxiliary Circuit – Secondary – Pressure at Pump | 4134 psi |
| Digging Force – Stick – Standard | 9509 lbf |
| Digging Force – Stick – Long | 8032 lbf |
| Digging Force – Bucket | 13946 lbf |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Machine Swing Speed | 10.6 r/min |
| Boom Swing – Left | 60 degrees |
| Boom Swing – Right | 50 degrees |
| 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 |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level I) |
| 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 |
| 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” |
| Recyclability | 96% |
| 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) |
| 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 |
| 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 |
| Product Link™ Elite (regulations apply) |
| 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 |
| 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) |
| ROPS ISO 12117-2:2008 |
| Top Guard ISO 10262 1998 (Level I) |
| 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 |
| Locks on External Enclosure Doors |
| Lockable Fuel Cap |
| Beacon Socket |
| Rear Reflectors |
| Locks on External Enclosure Doors |
| Lockable Fuel Cap |
| Beacon Socket |
| Rear Reflectors |
| 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 |
| 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 |
| 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 |
| Product Link™ Elite (regulations apply) |
| Travel Alarm |
| Rearview Camera |
| Rotating Beacon |
| Travel Alarm |
| Rearview Camera |
| Rotating Beacon |
| 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 |
| 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) |
| 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) |
| Third Auxiliary |
| Third Auxiliary |
