CAT 308 CR Mini Excavator


Dimensions – Long Stick

Ground Clearance 13.7 in (347.98 mm)
Boom In Reach 126.6 in (3215.64 mm)
Boom Swing – Left 20 in (508 mm)
Boom Swing – Right 38 in (965.2 mm)
Vertical Wall 134.1 in (3406.14 mm)
Cab Height 99.2 in (2519.68 mm)
Dig Depth 182.8 in (4643.12 mm)
Maximum Blade Depth 16.11 in (408.94 mm)
Maximum Blade Height 14.5 in (368.3 mm)
Maximum Dig Height 277.11 in (7038.34 mm)
Maximum Dump Clearance 199.6 in (5069.84 mm)
Maximum Reach 300.7 in (7637.78 mm)
Maximum Reach – Ground Level 293.7 in (7459.98 mm)
O/A Shipping Length 262 in (6654.8 mm)
O/A Track Width 90.6 in (2301.24 mm)
O/A Undercarriage Length 113.9 in (2893.06 mm)
Stick Length 92.8 in (2357.12 mm)
Swing Bearing – Height 28.9 in (734.06 mm)
Tail Swing With Counterweight 64.8 in (1645.92 mm)
Tail Swing Without Counterweight 57.1 in (1450.34 mm)
Track Belt/Shoe Width 17.7 in (449.58 mm)
Transport Height 99.3 in (2522.22 mm)

Dimensions – Standard Stick

Ground Clearance 13.7 in (347.98 mm)
Tail Swing With Counterweight 64.8 in (1645.92 mm)
O/A Shipping Length 258.7 in (6570.98 mm)
Transport Height 97.9 in (2486.66 mm)
O/A Track Width 90.6 in (2301.24 mm)
Boom Swing – Right 38 in (965.2 mm)
Cab Height 99.2 in (2519.68 mm)
Tail Swing Without Counterweight 57.1 in (1450.34 mm)
Dig Depth 161.81 in (4109.72 mm)
Boom In Reach 120.4 in (3058.16 mm)
Boom Swing – Left 20 in (508 mm)
Maximum Blade Depth 16.11 in (408.94 mm)
O/A Undercarriage Length 113.9 in (2893.06 mm)
Maximum Blade Height 14.5 in (368.3 mm)
Stick Length 71.8 in (1823.72 mm)
Maximum Dig Height 265.2 in (6736.08 mm)
Vertical Wall 117.8 in (2992.12 mm)
Maximum Dump Clearance 187.4 in (4759.96 mm)
Swing Bearing – Height 28.9 in (734.06 mm)
Track Belt/Shoe Width 17.7 in (449.58 mm)
Maximum Reach – Ground Level 273.61 in (6949.44 mm)
Maximum Reach 281.11 in (7139.94 mm)

Swing System

Machine Swing Speed 10.6 rpm

Engine Details

Net Power 70.3 hp (52.5 kw)
Displacement 203 cu in (3.4 L)
Bore 3.7 in (94 mm)
Stroke 4.7 in (119.4 mm)
Engine Model Cat C3.3B
Gross Power – Iso 14396 74.3 hp (55.5 kw)
Rated Net Power – 2,200 Rpm – U.S. Epa Tier 4 Final – Iso 9249/Eec 80/1269 70.3 hp (52.5 kw)
Rated Net Power – 2,200 Rpm – Eu Stage V – Iso 9249/Eec 80/1269 71.5 hp (53.4 kw)

Weights

Operating Weight 20678 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.
Minimum Operating Weight With Cab* 17960 lb (8146.6 kg)
Maximum Operating Weight With Cab** 20678 lb (9379.4 kg)

Blade

Height 17 in (431.8 mm)

Hydraulic System

Hydraulic System Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure – Swing 3626 psi
Operating Pressure – Equipment 4134 psi
Operating Pressure – Travel 4134 psi
Digging Force – Stick – Standard 9509 lb (4313.3 kg)
Digging Force – Stick – Long 8032 lb (3643.3 kg)
Digging Force – Bucket 13946 lb (6325.8 kg)
Pump Flow At 2,400 Rpm 44 gal/min
Auxiliary Circuit – Primary – Flow 35 gal/min
Auxiliary Circuit – Primary – Pressure 4134 psi
Auxiliary Circuit – Secondary – Flow 9 gal/min
Auxiliary Circuit – Secondary – Pressure 4134 psi

Blade

Width – Standard 90.6 in (2301.3 mm)
Width – Wide 96.5 in (2451.1 mm)

Service Refill Capacities

Cooling System 2.6 gal (9.9 L)
Fuel Tank Capacity 39 gal (147.7 L)
Hydraulic Tank 14 gal (53 L)
Hydraulic System 27 gal (102.3 L)
Engine Oil 3 gal (11.4 L)

Sound

Note European Union Directive 2000/14/EC
Average Exterior Sound Pressure (Iso 6395:2008) 99 dB(A)
Operator Sound Pressure (Iso 6396:2008) 72 dB(A)

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.

Travel System

Maximum Traction Force – High Speed 6250 lb (2835 kg)
Maximum Traction Force – Low Speed 15175 lb (6883.3 kg)
Travel Speed – High 3.2 mph (5.2 km/h)
Travel Speed – Low 1.9 mph (3.1 km/h)
Gradeability – Maximum 30 degrees
Ground Pressure – Minimum Weight 5 psi
Ground Pressure – Maximum Weight 6 psi

Weight Increase From Minimum Configuration

Long Stick 146 lb (66.3 kg)
Counterweight 552 lb (250.4 kg)
Steel Tracks With Pads 1422 lb (645.1 kg)

Certification – Cab

Roll Over Protective Structure (Rops) ISO 12117-2:2008
Tip Over Protective Structure (Tops) ISO 12117:1997
Top Guard ISO 10262:1998 (Level II)
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