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Mini Excavators 309 CR VAB (Long Undercarriage)

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

Mini Excavators 309 CR VAB (Long Undercarriage)

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 103.9 in 2640 mm
Width - Standard 97.2 in 2470 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 - Short Stick - VAB In

Ground Clearance 14 in 356 mm
Maximum Reach 253.1 in 6430 mm
Transport Height 91.7 in 2330 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Track Belt/Shoe Width 17.7 in 450 mm
Boom Swing Left 24 in 605 mm
Maximum Reach at Ground Level 244.5 in 6210 mm
Maximum Dump Clearance 138.2 in 3510 mm
Overall Track Width 97.2 in 2470 mm
Overall Shipping Length 255.3 in 6485 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Cab Height 100 in 2541 mm
Dig Depth 145.7 in 3700 mm
Maximum Blade Height 16.1 in 408 mm
Swing Bearing Height 29.8 in 756 mm
Maximum Dig Height 208.7 in 5300 mm
Vertical Wall 95.9 in 2435 mm
Maximum Blade Depth 19.1 in 484 mm
Boom Swing Right 37 in 935 mm
Overall Undercarriage Length 126 in 3200 mm
Stick Length 65.6 in 1665 mm
Boom in Reach 122.4 in 3110 mm
Units: USMetric

Dimensions - Short Stick - VAB Out

Cab Height 100 in 2541 mm
Overall Track Width 97.2 in 2470 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Maximum Reach at Ground Level 298.2 in 7575 mm
Overall Undercarriage Length 126 in 3200 mm
Boom Swing Left 24 in 605 mm
Vertical Wall 138.2 in 3510 mm
Swing Bearing Height 29.8 in 756 mm
Transport Height 91.7 in 2330 mm
Overall Shipping Length 255.3 in 6485 mm
Ground Clearance 14 in 356 mm
Maximum Reach 305.1 in 7750 mm
Boom Swing Right 37 in 935 mm
Boom in Reach 96.9 in 2460 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Maximum Blade Height 16.1 in 408 mm
Dig Depth 130.1 in 3305 mm
Stick Length 65.6 in 1665 mm
Track Belt/Shoe Width 17.7 in 450 mm
Maximum Dig Height 316.7 in 8045 mm
Maximum Blade Depth 19.1 in 484 mm
Maximum Dump Clearance 242.5 in 6160 mm
Units: USMetric

Dimensions - VAB In

Dig Depth 150.2 in 3815 mm
Cab Height 100 in 2541 mm
Maximum Blade Depth 19.1 in 484 mm
Maximum Blade Height 16.1 in 408 mm
Stick Length 71.7 in 1820 mm
Maximum Reach 256.5 in 6515 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Vertical Wall 99.2 in 2520 mm
Swing Bearing Height 29.8 in 756 mm
Track Belt/Shoe Width 17.7 in 450 mm
Boom Swing Right 37 in 935 mm
Overall Track Width 97.2 in 2470 mm
Overall Shipping Length 255.7 in 6495 mm
Maximum Dump Clearance 135.8 in 3450 mm
Boom in Reach 122.8 in 3120 mm
Maximum Reach at Ground Level 248 in 6300 mm
Transport Height 97.4 in 2475 mm
Overall Undercarriage Length 126 in 3200 mm
Ground Clearance 14 in 356 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Maximum Dig Height 205.5 in 5220 mm
Boom Swing Left 24 in 605 mm
Units: USMetric

Dimensions - VAB Out

Ground Clearance 14 in 356 mm
Cab Height 100 in 2541 mm
Boom in Reach 106.7 in 2710 mm
Vertical Wall 146.7 in 3725 mm
Swing Bearing Height 29.8 in 756 mm
Maximum Dump Clearance 247.4 in 6285 mm
Overall Undercarriage Length 126 in 3200 mm
Maximum Reach at Ground Level 303.7 in 7715 mm
Tail Swing without Counterweight 57.1 in 1450 mm
Maximum Reach 310.4 in 7885 mm
Track Belt/Shoe Width 17.7 in 450 mm
Overall Shipping Length 255.7 in 6495 mm
Maximum Blade Depth 19.1 in 484 mm
Maximum Dig Height 322 in 8180 mm
Overall Track Width 97.2 in 2470 mm
Tail Swing with Counterweight 62.4 in 1585 mm
Stick Length 71.7 in 1820 mm
Maximum Blade Height 16.1 in 408 mm
Boom Swing Right 37 in 935 mm
Boom Swing Left 24 in 605 mm
Transport Height 97.4 in 2475 mm
Dig Depth 136.2 in 3460 mm
Units: USMetric

Engine

Net Power 69.5 HP 51.8 kW
Displacement 203 in³ 3.33 l
Stroke 4.7 in 120 mm
Bore 3.7 in 94 mm
Gross Power - SAE J1995 74.3 HP 55.4 kW
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP 51.8 kW
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat C3.3B
Units: USMetric

Hydraulic System

Operating Pressure - Travel 4134 psi 285 bar
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard 9509 lbf 42.3 kN
Digging Force - Bucket 13946 lbf 62 kN
Pump Flow at 2,400 rpm 62 gal/min 233 l/min
Operating Pressure - Swing 3626 psi 250 bar
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment 4134 psi 285 bar
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min 33 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi 285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min 131 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi 285 bar
Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump 4134 psi 285 bar
Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump 37 gal/min 140 l/min
Digging Force - Stick (Short) 9217 lbf 41 kN
Units: USMetric

Service Refill Capacities

Fuel Tank 39 gal (US) 147 l
Hydraulic System 29 gal (US) 110 l
Engine Oil 3 gal (US) 11.2 l
Cooling System 2.6 gal (US) 10 l
Hydraulic Tank 14 gal (US) 53 l
Units: USMetric

Sound

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

Specifications

Note The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information.
Units: USMetric

Swing System

Machine Swing Speed 10.6 r/min 10.6 r/min
Boom Swing - Left 60 degrees
Boom Swing - Right 50 degrees
Units: USMetric

Travel System

Ground Pressure - Minimum Weight 5.1 psi 35.4 kPa
Travel Speed - High 3.1 mile/h 4.9 km/h
Maximum Traction Force - High Speed 6497 lbf 28.9 kN
Travel Speed - Low 1.6 mile/h 2.6 km/h
Ground Pressure - Maximum Weight 5.5 psi 37.8 kPa
Maximum Traction Force - Low Speed 19064 lbf 84.8 kN
Gradeability - Maximum 30 degrees
Units: USMetric

Weight Increase from Minimum Configuration

Steel Tracks with Pads 728 lb 330 kg
Counterweight 552 lb 250 kg
Standard Stick 77 lb 35 kg
Units: USMetric

Weights

Operating Weight 21477 lb 9740 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, standard stick, blade and no bucket.
Minimum Operating Weight* 20121 lb 9125 kg
Maximum Operating Weight* 21477 lb 9740 kg
ENGINE
Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
HYDRAULICS
Smart Tech Electronic Pump
OPERATOR ENVIRONMENT
Top Guard ISO 10262 1998 Level I
UNDERCARRIAGE
Greased and Lubricated Track
BOOM, STICK AND LINKAGES
Variable Angle Boom
ELECTRICAL
12 Volt Electrical System
OTHER
Locks on External Enclosure Doors

association discounts

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