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.
Cat Exclusives in a Mini Excavator
with improved fuel efficiency and longer service intervals
with customizable operator settings and improvements in lift, swing, travel and multifunction
| Net Power | 70.3 HP 52.4 kW |
| Engine Model | Cat C3.3B Cat C3.3B |
| Displacement | 203.0 in³ 3.33 l |
| Bore | 3.7 in 94.0 mm |
| Gross Power - ISO 14396 | 74.3 HP 55.4 kW |
| Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 | 71.5 HP 53.3 kW |
| Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 | 70.3 HP 52.4 kW |
| Stroke | 4.7 in 120.0 mm |
| Operating Weight | 20906.0 lb 9483.0 kg |
| Note | *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
| Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
| Maximum Operating Weight with Cab** | 20678.0 lb 9380.0 kg |
| Minimum Operating Weight with Cab* | 17960.0 lb 8146.0 kg |
| Maximum Operating Weight with Cab* | 20906.0 lb 9483.0 kg |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. |
| Dig Depth | 154.5 in 3925.0 mm |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm |
| Maximum Blade Height | 14.5 in 369.0 mm |
| Track Belt/Shoe Width | 17.7 in 450.0 mm |
| Maximum Dump Clearance | 143.7 in 3649.0 mm |
| Vertical Wall | 133.4 in 3388.0 mm |
| Boom in Reach | 112.3 in 2853.0 mm |
| Ground Clearance | 13.7 in 349.0 mm |
| Swing Bearing Height | 28.9 in 735.0 mm |
| Boom Swing Right | 38.0 in 963.0 mm |
| Overall Track Width | 90.6 in 2300.0 mm |
| Overall Shipping Length | 235.0 in 5969.0 mm |
| Transport Height | 105.2 in 2673.0 mm |
| Cab Height | 99.2 in 2520.0 mm |
| Overall Undercarriage Length | 113.9 in 2892.0 mm |
| Maximum Reach | 260.3 in 6612.0 mm |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm |
| Maximum Reach at Ground Level | 252.0 in 6402.0 mm |
| Stick Length | 71.8 in 1823.0 mm |
| Maximum Blade Depth | 16.1 in 408.0 mm |
| Boom Swing Left | 20.0 in 503.0 mm |
| Maximum Dig Height | 216.6 in 5500.0 mm |
| Height | 17.0 in 431.0 mm |
| Width - Wide | 96.5 in 2450.0 mm |
| Width - Standard | 90.6 in 2300.0 mm |
| Maximum Dig Height | 277.1 in 7038.0 mm |
| Maximum Reach | 300.7 in 7637.0 mm |
| Track Belt/Shoe Width | 17.7 in 450.0 mm |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm |
| Dig Depth | 182.8 in 4644.0 mm |
| Ground Clearance | 13.7 in 349.0 mm |
| O/A Shipping Length | 262.0 in 6656.0 mm |
| Cab Height | 99.2 in 2520.0 mm |
| Vertical Wall | 134.1 in 3405.0 mm |
| Stick Length | 92.8 in 2358.0 mm |
| Maximum Blade Depth | 16.1 in 408.0 mm |
| Maximum Reach - Ground Level | 293.7 in 7461.0 mm |
| O/A Track Width | 90.6 in 2300.0 mm |
| Transport Height | 99.3 in 2522.0 mm |
| Boom Swing - Left | 20.0 in 503.0 mm |
| O/A Undercarriage Length | 113.9 in 2892.0 mm |
| Boom In Reach | 126.6 in 3215.0 mm |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm |
| Boom Swing - Right | 38.0 in 963.0 mm |
| Maximum Blade Height | 14.5 in 369.0 mm |
| Swing Bearing - Height | 28.9 in 735.0 mm |
| Maximum Dump Clearance | 199.6 in 5071.0 mm |
| Dig Depth | 136.3 in 3462.0 mm |
| Overall Shipping Length | 282.7 in 7180.0 mm |
| Stick Length | 71.8 in 1823.0 mm |
| Track Belt/Shoe Width | 17.7 in 450.0 mm |
| Swing Bearing Height | 28.9 in 735.0 mm |
| Maximum Blade Depth | 16.1 in 408.0 mm |
| Maximum Reach at Ground Level | 305.1 in 7750.0 mm |
| Transport Height | 94.5 in 2399.0 mm |
| Boom in Reach | 117.9 in 2995.0 mm |
| Overall Undercarriage Length | 113.9 in 2892.0 mm |
| Maximum Reach | 311.8 in 7919.0 mm |
| Maximum Dump Clearance | 251.8 in 6396.0 mm |
| Ground Clearance | 13.7 in 349.0 mm |
| Vertical Wall | 138.5 in 3518.0 mm |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm |
| Boom Swing Left | 20.0 in 503.0 mm |
| Maximum Blade Height | 14.5 in 369.0 mm |
| Cab Height | 99.2 in 2520.0 mm |
| Maximum Dig Height | 321.9 in 8177.0 mm |
| Boom Swing Right | 38.0 in 963.0 mm |
| Overall Track Width | 90.6 in 2300.0 mm |
| Boom In Reach | 120.4 in 3059.0 mm |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm |
| Maximum Reach - Ground Level | 273.6 in 6949.0 mm |
| Swing Bearing - Height | 28.9 in 735.0 mm |
| Track Belt/Shoe Width | 17.7 in 450.0 mm |
| Ground Clearance | 13.7 in 349.0 mm |
| Maximum Dump Clearance | 187.4 in 4759.0 mm |
| Transport Height | 97.9 in 2487.0 mm |
| Boom Swing - Left | 20.0 in 503.0 mm |
| Maximum Blade Depth | 16.1 in 408.0 mm |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm |
| Cab Height | 99.2 in 2520.0 mm |
| Maximum Blade Height | 14.5 in 369.0 mm |
| Maximum Dig Height | 265.2 in 6735.0 mm |
| Maximum Reach | 281.1 in 7141.0 mm |
| O/A Track Width | 90.6 in 2300.0 mm |
| O/A Undercarriage Length | 113.9 in 2892.0 mm |
| Vertical Wall | 117.8 in 2992.0 mm |
| O/A Shipping Length | 258.7 in 6571.0 mm |
| Stick Length | 71.8 in 1823.0 mm |
| Boom Swing - Right | 38.0 in 963.0 mm |
| Dig Depth | 161.8 in 4109.0 mm |
| Auxiliary Circuit - Secondary - Pressure | 4134.0 psi 285.0 bar |
| Auxiliary Circuit - Primary - Pressure | 4134.0 psi 285.0 bar |
| Digging Force - Bucket | 13946.0 lb 62.0 kN |
| Operating Pressure - Equipment | 4134.0 psi 285.0 bar |
| Auxiliary Circuit - Primary - Flow | 35.0 gal/min 131.0 l/min |
| Pump Flow at 2,400 rpm | 44.0 gal/min 167.0 l/min |
| Operating Pressure - Travel | 4134.0 psi 285.0 bar |
| Auxiliary Circuit - Secondary - Flow | 9.0 gal/min 33.0 l/min |
| Digging Force - Stick - Long | 8032.0 lb 35.7 kN |
| Digging Force - Stick - Standard | 9205.0 lb 40.9 kN |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Operating Pressure - Swing | 3626.0 psi 250.0 bar |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) |
| Maximum Traction Force - High Speed | 6250.0 lb 27.8 kN |
| Travel Speed - Low | 1.9 mile/h 3.1 km/h |
| Ground Pressure - Maximum Weight | 6.0 psi 41.16 kPa |
| Travel Speed - High | 3.2 mile/h 5.1 km/h |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Ground Pressure - Minimum Weight | 5.0 psi 35.36 kPa |
| Maximum Traction Force - Low Speed | 15175.0 lb 67.5 kN |
| Operator Sound Pressure (ISO 6396:2008) | 72.0 dB(A) 72.0 dB(A) |
| Note | European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99.0 dB(A) 99.0 dB(A) |
| Counterweight | 552.0 lb 250.0 kg |
| Steel Tracks with Pads | 728.0 lb 330.0 kg |
| Long Stick | 146.0 lb 66.0 kg |
| Engine Oil | 3.0 gal (US) 11.2 l |
| Cooling System | 2.6 gal (US) 10.0 l |
| Hydraulic System | 28.0 gal (US) 107.0 l |
| Hydraulic Tank | 14.0 gal (US) 53.0 l |
| Fuel Tank | 39.0 gal (US) 147.0 l |
| 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. 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. |
| Machine Swing Speed | 10.6 r/min 10.6 r/min |
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Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
