Mini Excavator

308 CR VAB

This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring and your own team of product experts from Holt of California

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The image displayed is representative and may not reflect the exact specifications.

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.


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


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

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


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

Dimensions - VAB Out

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


Recyclability 96%

Travel System

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

Service Refill Capacities

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

Hydraulic System

Digging Force - Bucket 13946lbf
Operating Pressure - Equipment 4134psi
Pump Flow at 2,400 rpm 44gal/min
Operating Pressure - Travel 4134psi
Digging Force - Stick - Standard 9509lbf
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing 3626psi
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

Swing System

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

Certification - Cab and Canopy

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


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

Weight Increase from Minimum Configuration

Counterweight 552lb
Steel Tracks with Pads 752lb

Standard Equipment

  • Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
  • Automatic Engine Idle
  • Automatic Engine Shutdown
  • Automatic Swing Brake
  • Automatic Two Speed Travel
  • Fuel Water Separator with Indicator
  • Radial Seal – Double Element Air Filter
  • Extended Life Coolant, –37° C ( –35° F)
  • Ecology Drain
  • Smart Tech Electronic Pump
  • Electronic Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Power On Demand
  • Hydraulic Temperature Monitoring
  • Certified Accumulator
  • HYDO Advanced Hydraulic Oil
Operator Environment
  • Top Guard ISO 10262 1998 Level I
  • ROPS ISO 12117-2:2008
  • Sealed and Pressurized Cab
  • Stick Steer Mode
  • Travel Cruise Control
  • Control Pattern Changer
  • Adjustable Wrist Rests
  • Molded Footrests
  • Removable, Washable Floor Mat
  • Travel Pedals and Hand Levers
  • Cat Key with Passcode Option
  • HVAC with Automatic Temperature Control
  • Hydraulic Lockout Controls
  • Integrated Lower Front Window
  • Assisted Front Window Overhead Storage
  • Rear Window Emergency Exit
  • Fabric, High Back, Suspension Seat
  • Retractable Seat Belt (75 mm/3 in)
  • Coat Hook
  • Cup Holder
  • LED Interior Light
  • Literature Holder
  • Mounting Bosses for Top and Front Guards
  • 12V Power Socket
  • Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
  • Skylight
  • Signaling/Warning Horn
  • Cab and (left side) Boom Work Lights
  • Utility Space for Mobile Phone
  • Next Generation Color LCD Monitor (IP66)
    – Jog Dial Interface
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Camera Ready (IP68 & IP69K)
    – Hour Meter with Wake Up Switch
  • Greased and Lubricated Track
  • Hydraulic Track Adjusters
  • Tie Down Eyes on Track Frame
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
Boom, Stick And Linkages
  • Variable Angle Boom
  • Standard Stick (1820 mm/71.7 in)
  • Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
  • Thumb Ready (not available in all regions)
  • 12 Volt Electrical System
  • 60 Ampere Alternator
  • Circuit Breaker
  • 900 CCA Maintenance Free Battery
  • Battery Disconnect
  • Ignition Key Stop Switch
  • Locks on External Enclosure Doors
  • Lockable Fuel Cap
  • Beacon Socket
  • Rear Reflectors

Optional Equipment

Operator Environment
  • Push to Start with Bluetooth® Key
  • Air Suspension Heated Seat
  • Rain Visor
  • Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
    – Touch Screen
    – Site Reference System
    – High Definition Camera Capable (IP68 & IP69K)
    – Numeric Security Code
  • Wide Dozer Blade
  • Steel Tracks (450 mm/17.7 in wide)
  • Wide Steel Tracks (600 mm/23.6 in)
  • Steel Track with Rubber Pads
  • Track Guides
Boom, Stick And Linkages
  • Attachments including Buckets, Augers and Hammers
  • 2nd Auxiliary Hydraulic Lines
  • Boom Lowering Check Valve
  • Stick Lowering Check Valve
  • Certified Lifting Eye
  • Product Link Elite (regulations apply)
  • Travel Alarm
  • Rearview Camera
  • Rotating Beacon
  • Mesh Front Guard ISO 10262 1998 Level I
  • Heavy Duty Front Guard ISO 10262 1998 Level II
  • Overhead Cab Guard ISO 10262 1998 Level II
  • Polycarbonate Front Window EN356 P5A
  • Track Guards
  • Additional Counterweight
  • Water Jacket Heater
  • Refueling Pump