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308 CR VAB Mini Hydraulic Excavator

308 CR VAB Mini Hydraulic Excavator

At a Glance

Net Power
69.5 HP
Operating Weight
20385 lb
Dig Depth
150.2 in
Height
17 in
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Overview

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.

Engine

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Net Power 69.5HP
Stroke 4.7in
Bore 3.7in
Displacement 203in³
Gross Power - SAE J1995 74.3HP
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 69.5HP
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B

Weights

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Operating Weight 20385lb
Note (1) *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket.
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket.
Maximum Operating Weight with Standard Stick** 20385lb
Minimum Operating Weight with Standard Stick* 19084lb

Dimensions - VAB In

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Dig Depth 150.2in
Vertical Wall 99.2in
Transport Height 97.4in
Track Belt/Shoe Width 17.7in
Tail Swing without Counterweight 57.1in
Tail Swing with Counterweight 62.4in
Swing Bearing Height 29.8in
Stick Length 71.7in
Overall Undercarriage Length 113.4in
Overall Track Width 90.6in
Overall Shipping Length 253.9in
Maximum Reach at Ground Level 248in
Maximum Reach 256.5in
Maximum Dump Clearance 135.8in
Maximum Dig Height 205.5in
Maximum Blade Height 14.6in
Maximum Blade Depth 16in
Ground Clearance 13.8in
Cab Height 100in
Boom in Reach 122.8in
Boom Swing Right 37in
Boom Swing Left 24in

Blade

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Height 17in
Width - Wide 96.5in
Width - Standard 90.6in

Air Conditioning System

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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.

Hydraulic System

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Digging Force - Stick - Standard 9509lbf
Digging Force - Bucket 13946lbf
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 44gal/min
Operating Pressure - Travel 4134psi
Operating Pressure - Swing 3626psi
Operating Pressure - Equipment 4134psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9gal/min

Dimensions - VAB Out

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Vertical Wall 146.7in
Transport Height 97.4in
Track Belt/Shoe Width 17.7in
Tail Swing without Counterweight 57.1in
Tail Swing with Counterweight 62.4in
Swing Bearing Height 29.8in
Stick Length 71.7in
Overall Undercarriage Length 113.4in
Overall Track Width 90.6in
Overall Shipping Length 253.9in
Maximum Reach at Ground Level 303.7in
Maximum Reach 310.4in
Maximum Dump Clearance 247.4in
Maximum Dig Height 322in
Maximum Blade Height 14.6in
Maximum Blade Depth 16in
Ground Clearance 13.8in
Dig Depth 136.2in
Cab Height 100in
Boom in Reach 106.7in
Boom Swing Right 37in
Boom Swing Left 24in

Weight Increase from Minimum Configuration

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Steel Tracks with Pads 752lb
Counterweight 552lb

Travel System

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Travel Speed - Low 1.9mile/h
Maximum Traction Force - Low Speed 15175lbf
Travel Speed - High 3.2mile/h
Maximum Traction Force - High Speed 6250lbf
Ground Pressure - Minimum Weight 5.5psi
Ground Pressure - Maximum Weight 5.9psi
Gradeability - Maximum 30 degrees

Swing System

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

Sound

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

Service Refill Capacities

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Hydraulic Tank 14gal (US)
Hydraulic System 29gal (US)
Engine Oil 3gal (US)
Cooling System 2.6gal (US)
Fuel Tank 39gal (US)

Certification - Cab and Canopy

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