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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.

Key Features

More Comfort. More Performance. More Versatility.

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

Specifications

Net Power 69.5 hp
Displacement 203 in³
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore 3.7 in
Gross Power - SAE J1995:2014 74.3 hp
Stroke 4.7 in
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 hp
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B
Operating Weight 20385 lb
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** 20385 lb
Minimum Operating Weight with Standard Stick* 19084 lb
Counterweight 552 lb
Steel Tracks with Pads 752 lb
Maximum Traction Force - High Speed 6250 lbf
Travel Speed - Low 1.9 mile/h
Ground Pressure - Maximum Weight 5.9 psi
Travel Speed - High 3.2 mile/h
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 5.5 psi
Maximum Traction Force - Low Speed 15175 lbf
Engine Oil 3 gal (US)
Cooling System 2.6 gal (US)
Hydraulic System 29 gal (US)
Hydraulic Tank 14 gal (US)
Fuel Tank 39 gal (US)
Digging Force - Bucket 13946 lbf
Operating Pressure - Equipment 4134 psi
Pump Flow at 2,400 rpm 44 gal/min
Operating Pressure - Travel 4134 psi
Digging Force - Stick - Standard 9509 lbf
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
Machine Swing Speed 10.6 r/min
Boom Swing - Right 50 degrees
Boom Swing - Left 60 degrees
Height 17 in
Width - Wide 96.5 in
Width - Standard 90.6 in
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 (Level II)
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Note European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
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.
Dig Depth 150.2 in
Tail Swing with Counterweight 62.4 in
Maximum Blade Height 14.6 in
Track Belt/Shoe Width 17.7 in
Maximum Dump Clearance 135.8 in
Vertical Wall 99.2 in
Boom in Reach 122.8 in
Ground Clearance 13.8 in
Swing Bearing Height 29.8 in
Boom Swing Right 37 in
Overall Track Width 90.6 in
Overall Shipping Length 253.9 in
Transport Height 97.4 in
Cab Height 100 in
Overall Undercarriage Length 113.4 in
Maximum Reach 256.5 in
Tail Swing without Counterweight 57.1 in
Maximum Reach at Ground Level 248 in
Stick Length 71.7 in
Maximum Blade Depth 16 in
Boom Swing Left 24 in
Maximum Dig Height 205.5 in
Dig Depth 136.2 in
Overall Shipping Length 253.9 in
Stick Length 71.7 in
Track Belt/Shoe Width 17.7 in
Swing Bearing Height 29.8 in
Maximum Blade Depth 16 in
Maximum Reach at Ground Level 303.7 in
Transport Height 97.4 in
Boom in Reach 106.7 in
Overall Undercarriage Length 113.4 in
Maximum Reach 310.4 in
Maximum Dump Clearance 247.4 in
Ground Clearance 13.8 in
Vertical Wall 146.7 in
Tail Swing with Counterweight 62.4 in
Tail Swing without Counterweight 57.1 in
Boom Swing Left 24 in
Maximum Blade Height 14.6 in
Cab Height 100 in
Maximum Dig Height 322 in
Boom Swing Right 37 in
Overall Track Width 90.6 in
Recyclability 96%

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