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 | 69.5 hp |
| Operating Weight | 18493 lb |
| Dig Depth | 182.8 in |
| Net Power | 69.5 hp |
| Engine Model | Cat C3.3B |
| Stroke | 4.7 in |
| Bore | 3.7 in |
| Gross Power – SAE J1995:2014 | 74.3 hp |
| Displacement | 203 in³ |
| Rated Net Power – 2,200 rpm – U.S. EPA Tier 4 Final/EU Stage V – ISO 9249/EEC 80/1269 | 69.5 hp |
| Operating Weight | 18493 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, counterweight, operator, full fuel tank, long stick, blade and no bucket. |
| Maximum Operating Weight with Cab** | 18493 lb |
| Minimum Operating Weight with Cab* | 16542 lb |
| Dig Depth | 182.8 in |
| Boom Swing – Left | 23.8 in |
| Maximum Dig Height | 277.1 in |
| Maximum Blade Height | 14.6 in |
| Track Belt/Shoe Width | 17.7 in |
| Cab Height | 100 in |
| Tail Swing with Counterweight | 62.4 in |
| O/A Undercarriage Length | 113.4 in |
| Maximum Dump Clearance | 199.7 in |
| Boom Swing – Right | 36.8 in |
| Maximum Blade Depth | 16 in |
| Ground Clearance | 13.8 in |
| Stick Length | 92.8 in |
| Maximum Reach | 300.7 in |
| Maximum Reach – Ground Level | 293.7 in |
| Boom In Reach | 126.6 in |
| Swing Bearing – Height | 29.7 in |
| O/A Track Width | 90.6 in |
| Tail Swing without Counterweight | 57.1 in |
| Vertical Wall | 134 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. |
| 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* | 89 in |
| Height – Boom Working – With Tools** | 120.1 in |
| Overall Shipping Length – without Counterweight | 6872 mm (270.6 in)*** |
| Overall Shipping Length – with Counterweight | 6872 mm (270.6 in)*** |
| Height | 17 in |
| Width – Standard | 90.6 in |
| Width – Wide | 96.5 in |
| Steel Tracks with Pads | 752 lb |
| Counterweight | 552 lb |
| Long Stick | 146 lb |
| Maximum Traction Force – High Speed | 6250 lbf |
| 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 | 15175 lbf |
| Gradeability – Maximum | 30 degrees |
| 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) |
| Digging Force – Bucket | 13946 lbf |
| Operating Pressure – Travel | 4134 psi |
| Operating Pressure – Swing | 3626 psi |
| Operating Pressure – Equipment | 4134 psi |
| Digging Force – Stick – Long | 8032 lbf |
| 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 | 9509 lbf |
| Maximum Auxiliary Circuit – Primary – Pressure at Pump | 4134 psi |
| Maximum Auxiliary Circuit – Secondary – Pressure at Pump | 4134 psi |
| Maximum Auxiliary Circuit – Primary – Flow at Pump | 35 gpm |
| Maximum Auxiliary Circuit – Secondary – Flow at Pump | 9 gpm |
| Machine Swing Speed | 10.6 r/min |
| Boom Swing – Right | 50 degrees |
| Boom Swing – Left | 60 degrees |
| Top Guard | ISO 10262:1998 (Level I) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| 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) |
| Cab Height | 100 in |
| Vertical Wall | 117.8 in |
| Boom In Reach | 120.4 in |
| Tail Swing with Counterweight | 62.4 in |
| Boom Swing – Right | 36.8 in |
| Track Belt/Shoe Width | 17.7 in |
| Maximum Reach | 281.1 in |
| Stick Length | 71.7 in |
| Maximum Blade Height | 14.6 in |
| Boom Swing – Left | 23.8 in |
| Maximum Blade Depth | 16 in |
| O/A Track Width | 90.6 in |
| Maximum Dig Height | 265.2 in |
| Maximum Dump Clearance | 187.4 in |
| Maximum Reach – Ground Level | 273.6 in |
| Tail Swing without Counterweight | 57.1 in |
| O/A Undercarriage Length | 113.4 in |
| Swing Bearing – Height | 29.7 in |
| Ground Clearance | 13.8 in |
| Dig Depth | 161.7 in |
| Note | *Boom Height when stick is pinned in transport position with no attachments. |
| Overall Shipping Length – with Counterweight | 264 in |
| 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 | 258.8 in |
| Note (2) | ***With blade positioned at the rear of the machine. |
| Height – Boom Working – With Tools** | 104.7 in |
| Height – Boom Transport – No Tools* | 95.7 in |
| 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. |
| Recyclability | 96% |
| 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) |
| Electronic Variable Displacement Piston Pump |
| Load Sensing/Flow Sharing Hydraulics |
| Power On Demand |
| Hydraulic Temperature Monitoring |
| Certified Accumulator |
| HYDO Advanced Hydraulic Oil |
| 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 |
| Greased and Lubricated Track |
| 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) |
| 12 Volt Electrical System |
| 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 |
| Product Link Basic |
| 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 |
| 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 |
| 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 |
| Product Link™ Elite (regulations apply) |
| 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 |
| Polycarbonate Front Window EN356 P5A |
| Track Guards |
| Additional Counterweight |
| Water Jacket Heater |
| 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 |
| Cat Grade Advanced 2D |
| Cat Grade 3D |
| Product Link Elite (regulations apply) |
