New CAT Equipment

Mini Excavators 308 CR

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

Mini Excavators 308 CR

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 - Standard 91 in 2300 mm
Width - Wide 97 in 2450 mm
Units: USMetric

Certification - Cab

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

Dimensions - Long Stick

Dig Depth 183 in 4643 mm
Boom Swing - Left 24 in 604 mm
Maximum Dig Height 277 in 7039 mm
Maximum Blade Height 15 in 370 mm
Track Belt/Shoe Width 18 in 450 mm
Cab Height 100 in 2541 mm
Tail Swing with Counterweight 65 in 1645 mm
O/A Undercarriage Length 113 in 2880 mm
Maximum Dump Clearance 200 in 5072 mm
Transport Height 99 in 2522 mm
Boom Swing - Right 37 in 935 mm
Maximum Blade Depth 16 in 407 mm
Ground Clearance 14 in 350 mm
Stick Length 93 in 2358 mm
Maximum Reach 301 in 7637 mm
Maximum Reach - Ground Level 294 in 7460 mm
O/A Shipping Length 262 in 6656 mm
Boom In Reach 127 in 3215 mm
Swing Bearing - Height 30 in 756 mm
O/A Track Width 91 in 2300 mm
Tail Swing without Counterweight 57 in 1450 mm
Vertical Wall 134 in 3404 mm
Units: USMetric

Dimensions - Standard Stick

Cab Height 100 in 2541 mm
Vertical Wall 118 in 2991 mm
Boom In Reach 120 in 3059 mm
Tail Swing with Counterweight 65 in 1645 mm
Boom Swing - Right 37 in 935 mm
Track Belt/Shoe Width 18 in 450 mm
Maximum Reach 281 in 7141 mm
Stick Length 72 in 1823 mm
Transport Height 98 in 2487 mm
Maximum Blade Height 15 in 370 mm
Boom Swing - Left 24 in 604 mm
Maximum Blade Depth 16 in 407 mm
O/A Track Width 91 in 2300 mm
Maximum Dig Height 265 in 6736 mm
Maximum Dump Clearance 187 in 4760 mm
Maximum Reach - Ground Level 274 in 6949 mm
Tail Swing without Counterweight 57 in 1450 mm
O/A Undercarriage Length 113 in 2880 mm
Swing Bearing - Height 30 in 756 mm
Ground Clearance 14 in 350 mm
Dig Depth 162 in 4108 mm
O/A Shipping Length 259 in 6571 mm
Units: USMetric

Engine

Net Power 70.3 HP 52.4 kW
Engine Model Cat C3.3B
Stroke 4.7 in 120 mm
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 70.3 HP 52.4 kW
Bore 3.7 in 94 mm
Displacement 203 in³ 3.33 l
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 71.5 HP 53.3 kW
Gross Power - ISO 14396 74.3 HP 55.4 kW
Units: USMetric

Hydraulic System

Digging Force - Bucket 13946 lb 62 kN
Operating Pressure - Travel 4134 psi 285 bar
Operating Pressure - Swing 3626 psi 250 bar
Operating Pressure - Equipment 4134 psi 285 bar
Digging Force - Stick - Long 8032 lb 35.7 kN
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Primary - Pressure 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
Auxiliary Circuit - Secondary - Flow 9 gal/min 33 l/min
Digging Force - Stick - Standard 9509 lb 42.3 kN
Auxiliary Circuit - Secondary - Pressure 4134 psi 285 bar
Units: USMetric

Service Refill Capacities

Fuel Tank 39 gal (US) 147 l
Hydraulic System 29 gal (US) 110 l
Hydraulic Tank 14 gal (US) 53 l
Cooling System 2.6 gal (US) 10 l
Engine Oil 3 gal (US) 11.2 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
Boom Swing - Right 50 degrees
Boom Swing - Left 60 degrees
Units: USMetric

Travel System

Maximum Traction Force - High Speed 6250 lb 27.8 kN
Ground Pressure - Maximum Weight 5.8 psi 39.8 kPa
Ground Pressure - Minimum Weight 5.4 psi 36.9 kPa
Travel Speed - High 3.2 mile/h 5.1 km/h
Travel Speed - Low 1.9 mile/h 3.1 km/h
Maximum Traction Force - Low Speed 15175 lb 67.5 kN
Gradeability - Maximum 30 degrees
Units: USMetric

Weight Increase from Minimum Configuration

Steel Tracks with Pads 752 lb 341 kg
Counterweight 552 lb 250 kg
Long Stick 146 lb 66 kg
Units: USMetric

Weights

Operating Weight 20678 lb 9380 kg
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** 20077 lb 9105 kg
Minimum Operating Weight with Cab* 18610 lb 8440 kg
ENGINE
Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
HYDRAULICS
Load Sensing/Flow Sharing Hydraulics
OPERATOR ENVIRONMENT
12V Power Socket
UNDERCARRIAGE
Dozer Blade
BOOM, STICK AND LINKAGES
One Piece Boom (3400 mm/133.9 in)
ELECTRICAL
12 Volt Electrical System

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