The Cat® 308 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.
| Net Power | 69 hp |
| Operating Weight | 21080 lb |
| Dig Depth | 150.2 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 thetime 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 | 21080 lb |
| Minimum Operating Weight with Standard Stick* | 19228 lb |
| Maximum Operating Weight with Standard Stick** | 21080 lb |
| Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, 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, blade, and no bucket. |
| Dig Depth | 150.2 in |
| Vertical Wall | 99.2 in |
| Maximum Reach at Ground Level | 248 in |
| Maximum Reach | 256.5 in |
| Maximum Dig Height | 205.5 in |
| Maximum Dump Clearance | 135.8 in |
| Boom in Reach | 122.8 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 |
| Cab Height | 100 in |
| Swing Bearing Height | 29.8 in |
| Overall Undercarriage Length | 113.4 in |
| Overall Shipping Length | 253.9 in |
| Boom Swing Right | 37 in |
| Boom Swing Left | 24 in |
| Track Belt/Shoe Width | 17.7 in |
| Overall Track Width | 90.6 in |
| Ground Clearance | 13.8 in |
| Stick Length | 71.7 in |
| Dig Depth | 136.2 in |
| Vertical Wall | 146.7 in |
| Maximum Reach at Ground Level | 303.7 in |
| Maximum Reach | 310.4 in |
| Maximum Dig Height | 322 in |
| Maximum Dump Clearance | 247.4 in |
| Boom in Reach | 106.7 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 |
| Cab Height | 100 in |
| Swing Bearing Height | 29.8 in |
| Overall Undercarriage Length | 113.4 in |
| Overall Shipping Length | 253.9 in |
| Boom Swing Right | 37 in |
| Boom Swing Left | 24 in |
| Track Belt/Shoe Width | 17.7 in |
| Overall Track Width | 90.6 in |
| Ground Clearance | 13.8 in |
| Stick Length | 71.7 in |
| Counterweight | 552 lb |
| Steel Tracks with Pads | 752 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 | 5.5 psi |
| Ground Pressure – Maximum Weight | 6.1 psi |
| Gradeability – Maximum | 30 degrees |
| Cooling System | 2.6 gal (US) |
| Engine Oil | 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 – 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 |
| 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 |
| 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) |
| Ecology Drain |
| Smart Tech Electronic Pump |
| Electronic Variable Displacement Piston Pump |
| Load Sensing/Flow Sharing Hydraulics |
| Power On Demand |
| Hydraulic Temperature Monitoring |
| Certified Accumulator |
| HYDO Advanced Hydraulic Oil |
| Sealed and Pressurized Cab |
| 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 |
| Cab Mirrors (vary by region) |
| 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 |
| Hydraulic Track Adjusters |
| Tie Down Eyes on Track Frame |
| Dozer Blade |
| Dozer Float |
| Product Link™ Elite (regulations apply) |
| Variable Angle Boom |
| 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 |
| Lock Out/Tag Out Battery Disconnect |
| Ignition Key Stop Switch |
| Rear Camera |
| ROPS ISO 12117-2:2008 |
| Top Guard ISO 10262 1998 (Level I) |
| Locks on External Enclosure Doors |
| Lockable Fuel Cap |
| Beacon Socket |
| Rear Reflectors |
| Third Auxiliary |
| Push to Start with Bluetooth® Key |
| Air Suspension Heated Seat |
| Seat Belt Reminder System |
| 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 |
| Ease of Use Indicate |
| Ease of Use E-Fence |
| Ease of Use Laser Catcher |
| Cat Grade Advanced 2D |
| Cat Grade 3D |
| 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 Lowering Check Valve |
| Stick Lowering Check Valve |
| Attachments including Buckets, Augers and Hammers |
| 2nd Auxiliary Hydraulic Lines |
| Certified Lifting Eye |
| Travel Alarm |
| Rear and Side Camera |
| Rotating Beacon |
| Top Guard ISO 10262:1998 (Level II) |
| Front Guard (Mesh) ISO:10262 1998 (Level I) |
| Front Guard (Heavy Duty) ISO 10262 1998 (Level II) |
| Track Guards |
| Counterweight (250 kg/551 lb) |
| Counterweight (500 kg/1103 lb) |
| Refueling Pump |
| Water Jacket Heater |
