New CAT Equipment

Mini Excavators 308 CR VAB

An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
308 CR VAB

Mini Excavators 308 CR VAB

An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
Units: USMetric

Air Conditioning System

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.
Units: USMetric

Blade

Height 17 in 431 mm
Width - Wide 96.5 in 2450 mm
Width - Standard 90.6 in 2300 mm
Units: USMetric

Certification - Cab

Tip Over Protective Structure (TOPS) ISO 12117:1997
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level II)
Units: USMetric

Dimensions - Long Stick

Maximum Dig Height 277.1 in 7038 mm
Maximum Reach 300.7 in 7637 mm
Track Belt/Shoe Width 17.7 in 450 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Dig Depth 182.8 in 4644 mm
Ground Clearance 13.7 in 349 mm
O/A Shipping Length 262 in 6656 mm
Cab Height 99.2 in 2520 mm
Vertical Wall 134.1 in 3405 mm
Stick Length 92.8 in 2358 mm
Maximum Blade Depth 16.1 in 408 mm
Maximum Reach - Ground Level 293.7 in 7461 mm
O/A Track Width 90.6 in 2300 mm
Transport Height 99.3 in 2522 mm
Boom Swing - Left 20 in 503 mm
O/A Undercarriage Length 113.9 in 2892 mm
Boom In Reach 126.6 in 3215 mm
Tail Swing with Counterweight 64.8 in 1645 mm
Boom Swing - Right 38 in 963 mm
Maximum Blade Height 14.5 in 369 mm
Swing Bearing - Height 28.9 in 735 mm
Maximum Dump Clearance 199.6 in 5071 mm
Units: USMetric

Dimensions - Standard Stick

Boom In Reach 120.4 in 3059 mm
Tail Swing with Counterweight 64.8 in 1645 mm
Maximum Reach - Ground Level 273.6 in 6949 mm
Swing Bearing - Height 28.9 in 735 mm
Track Belt/Shoe Width 17.7 in 450 mm
Ground Clearance 13.7 in 349 mm
Maximum Dump Clearance 187.4 in 4759 mm
Transport Height 97.9 in 2487 mm
Boom Swing - Left 20 in 503 mm
Maximum Blade Depth 16.1 in 408 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Cab Height 99.2 in 2520 mm
Maximum Blade Height 14.5 in 369 mm
Maximum Dig Height 265.2 in 6735 mm
Maximum Reach 281.1 in 7141 mm
O/A Track Width 90.6 in 2300 mm
O/A Undercarriage Length 113.9 in 2892 mm
Vertical Wall 117.8 in 2992 mm
O/A Shipping Length 258.7 in 6571 mm
Stick Length 71.8 in 1823 mm
Boom Swing - Right 38 in 963 mm
Dig Depth 161.8 in 4109 mm
Units: USMetric

Dimensions - VAB In

Dig Depth 154.5 in 3925 mm
Tail Swing with Counterweight 64.8 in 1645 mm
Maximum Blade Height 14.5 in 369 mm
Track Belt/Shoe Width 17.7 in 450 mm
Maximum Dump Clearance 143.7 in 3649 mm
Vertical Wall 133.4 in 3388 mm
Boom in Reach 112.3 in 2853 mm
Ground Clearance 13.7 in 349 mm
Swing Bearing Height 28.9 in 735 mm
Boom Swing Right 38 in 963 mm
Overall Track Width 90.6 in 2300 mm
Overall Shipping Length 235 in 5969 mm
Transport Height 105.2 in 2673 mm
Cab Height 99.2 in 2520 mm
Overall Undercarriage Length 113.9 in 2892 mm
Maximum Reach 260.3 in 6612 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Maximum Reach at Ground Level 252 in 6402 mm
Stick Length 71.8 in 1823 mm
Maximum Blade Depth 16.1 in 408 mm
Boom Swing Left 20 in 503 mm
Maximum Dig Height 216.6 in 5500 mm
Units: USMetric

Dimensions - VAB Out

Dig Depth 136.3 in 3462 mm
Overall Shipping Length 282.7 in 7180 mm
Stick Length 71.8 in 1823 mm
Track Belt/Shoe Width 17.7 in 450 mm
Swing Bearing Height 28.9 in 735 mm
Maximum Blade Depth 16.1 in 408 mm
Maximum Reach at Ground Level 305.1 in 7750 mm
Transport Height 94.5 in 2399 mm
Boom in Reach 117.9 in 2995 mm
Overall Undercarriage Length 113.9 in 2892 mm
Maximum Reach 311.8 in 7919 mm
Maximum Dump Clearance 251.8 in 6396 mm
Ground Clearance 13.7 in 349 mm
Vertical Wall 138.5 in 3518 mm
Tail Swing with Counterweight 64.8 in 1645 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Boom Swing Left 20 in 503 mm
Maximum Blade Height 14.5 in 369 mm
Cab Height 99.2 in 2520 mm
Maximum Dig Height 321.9 in 8177 mm
Boom Swing Right 38 in 963 mm
Overall Track Width 90.6 in 2300 mm
Units: USMetric

Engine

Net Power 70.3 HP 52.4 kW
Engine Model Cat C3.3B
Displacement 203 in³ 3.33 l
Bore 3.7 in 94 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 mm
Units: USMetric

Hydraulic System

Auxiliary Circuit - Secondary - Pressure 4134 psi 285 bar
Auxiliary Circuit - Primary - Pressure 4134 psi 285 bar
Digging Force - Bucket 13946 lb 62 kN
Operating Pressure - Equipment 4134 psi 285 bar
Auxiliary Circuit - Primary - Flow 35 gal/min 131 l/min
Pump Flow at 2,400 rpm 44 gal/min 167 l/min
Operating Pressure - Travel 4134 psi 285 bar
Auxiliary Circuit - Secondary - Flow 9 gal/min 33 l/min
Digging Force - Stick - Long 8032 lb 35.7 kN
Digging Force - Stick - Standard 9205 lb 40.9 kN
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626 psi 250 bar
Units: USMetric

Service Refill Capacities

Engine Oil 3 gal (US) 11.2 l
Cooling System 2.6 gal (US) 10 l
Hydraulic System 28 gal (US) 107 l
Hydraulic Tank 14 gal (US) 53 l
Fuel Tank 39 gal (US) 147 l
Units: USMetric

Sound

Operator Sound Pressure (ISO 6396:2008) 72 dB(A) 72 dB(A)
Note European Union Directive “2000/14/EC”
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) 99 dB(A)
Units: USMetric

Swing System

Machine Swing Speed 10.6 r/min 10.6 r/min
Units: USMetric

Travel System

Maximum Traction Force - High Speed 6250 lb 27.8 kN
Travel Speed - Low 1.9 mile/h 3.1 km/h
Ground Pressure - Maximum Weight 6 psi 41.16 kPa
Travel Speed - High 3.2 mile/h 5.1 km/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5 psi 35.36 kPa
Maximum Traction Force - Low Speed 15175 lb 67.5 kN
Units: USMetric

Weight Increase from Minimum Configuration

Counterweight 552 lb 250 kg
Steel Tracks with Pads 728 lb 330 kg
Long Stick 146 lb 66 kg
Units: USMetric

Weights

Operating Weight 20906 lb 9483 kg
Note *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.
Maximum Operating Weight with Cab** 20678 lb 9380 kg
Minimum Operating Weight with Cab* 17960 lb 8146 kg
Maximum Operating Weight with Cab* 20906 lb 9483 kg
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
ENGINE
Automatic Engine Shutdown
HYDRAULICS
Power On Demand
OPERATOR ENVIRONMENT
Rear Window Emergency Exit
UNDERCARRIAGE
Dozer Blade
BOOM, STICK AND LINKAGES
Variable Angle Boom
ELECTRICAL
12 Volt Electrical System

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