308 CR Mini Excavator

Introducing the Next Generation Cat 7-10 Ton Mini Excavators Introducing the Next Generation Cat 7-10 Ton Mini Excavators
Overview of the Next Generation Cat 7-10 Ton Mini Excavators Overview of the Next Generation Cat 7-10 Ton Mini Excavators
Standard Monitor on the Next Generation Cat Mini Excavators Standard Monitor on the Next Generation Cat Mini Excavators
Stick Steer on the Cat Next Generation Mini Excavators Stick Steer on the Cat Next Generation Mini Excavators
Cat 308 CR Mini Excavator Customer Story � Savage Excavation (Colorado, USA) Cat 308 CR Mini Excavator Customer Story � Savage Excavation (Colorado, USA)
Cat 308 CR Mini Excavator Customer Story � JA Langton (United Kingdom) Cat 308 CR Mini Excavator Customer Story � JA Langton (United Kingdom)
Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators
Safety Features on the Cat 7-10 Ton Mini Excavators Safety Features on the Cat 7-10 Ton Mini Excavators
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SPECS SUMMARY

Net Power69.5 HP (51.8 kW)
Operating Weight20077 lb (9105 kg)
Dig Depth182.8 in (4643 mm)
Engine ModelCat C3.3B
The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Specifications

Net Power69.5 HP (51.8 kW)
Operating Weight20077 lb (9105 kg)
Dig Depth182.8 in (4643 mm)
Engine ModelCat C3.3B
Height17 in (431 mm)
O/A Undercarriage Length113.4 in (2880 mm)
Height - Boom Working - With Tools**104.7 in (2660 mm)
Note (2)***With blade positioned at the rear of the machine.
Overall Shipping Length - without Counterweight258.8 in (6574 mm)
Note (1)**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - with Counterweight264 in (6706 mm)
Note*Boom Height when stick is pinned in transport position with no attachments.
Dig Depth161.7 in (4108 mm)
Ground Clearance13.8 in (350 mm)
Swing Bearing - Height29.7 in (756 mm)
Overall Shipping Length - without Counterweight6872 mm (270.6 in)***
Air ConditioningThe 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.
Tail Swing without Counterweight57.1 in (1450 mm)
Maximum Reach - Ground Level273.6 in (6949 mm)
Maximum Dump Clearance187.4 in (4760 mm)
Maximum Dig Height265.2 in (6736 mm)
O/A Track Width90.6 in (2300 mm)
Maximum Blade Depth16 in (407 mm)
Boom Swing - Left23.8 in (604 mm)
Maximum Blade Height14.6 in (370 mm)
Stick Length71.7 in (1820 mm)
Maximum Reach281.1 in (7141 mm)
Height - Boom Transport - No Tools*95.7 in (2430 mm)
Boom Swing - Left23.8 in (604 mm)
Height - Boom Working - With Tools**120.1 in (3050 mm)
Maximum Reach - Ground Level293.7 in (7460 mm)
Height - Boom Transport - No Tools*89 in (2260 mm)
Overall Shipping Length - with Counterweight6872 mm (270.6 in)***
Note (1)**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Note (2)***With blade positioned at the rear of the machine.
Note*Boom Height when stick is pinned in transport position with no attachments.
Vertical Wall134 in (3404 mm)
Tail Swing without Counterweight57.1 in (1450 mm)
O/A Track Width90.6 in (2300 mm)
Swing Bearing - Height29.7 in (756 mm)
Boom In Reach126.6 in (3215 mm)
Maximum Reach300.7 in (7637 mm)
Maximum Dig Height277.1 in (7039 mm)
Stick Length92.8 in (2358 mm)
Ground Clearance13.8 in (350 mm)
Maximum Blade Depth16 in (407 mm)
Boom Swing - Right36.8 in (935 mm)
Maximum Dump Clearance199.7 in (5072 mm)
O/A Undercarriage Length113.4 in (2880 mm)
Tail Swing with Counterweight62.4 in (1585 mm)
Cab Height100 in (2541 mm)
Track Belt/Shoe Width17.7 in (450 mm)
Track Belt/Shoe Width17.7 in (450 mm)
Maximum Blade Height14.6 in (370 mm)
Boom In Reach120.4 in (3059 mm)
Boom Swing - Right36.8 in (935 mm)
Long Stick146 lb (66 kg)
Hydraulic Tank14 gal (US) (53 l)
Hydraulic System29 gal (US) (110 l)
Fuel Tank39 gal (US) (147 l)
Gradeability - Maximum30 degrees
Maximum Traction Force - Low Speed15175 lb (67.5 kN)
Travel Speed - Low1.9 mile/h (3.1 km/h)
Travel Speed - High3.2 mile/h (5.1 km/h)
Ground Pressure - Minimum Weight5.4 psi (36.9 kPa)
Ground Pressure - Maximum Weight5.8 psi (39.8 kPa)
Maximum Traction Force - High Speed6250 lb (27.8 kN)
Counterweight552 lb (250 kg)
Engine Oil3 gal (US) (11.2 l)
Steel Tracks with Pads752 lb (341 kg)
Minimum Operating Weight with Cab*18610 lb (8440 kg)
Maximum Operating Weight with Cab**20077 lb (9105 kg)
Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Note (1)*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/126969.5 HP (51.8 kW)
Displacement203 in³ (3.33 l)
Gross Power - SAE J199574.3 HP (55.4 kW)
Bore3.7 in (94 mm)
Stroke4.7 in (120 mm)
Cooling System2.6 gal (US) (10 l)
Digging Force - Bucket13946 lb (62 kN)
Tail Swing with Counterweight62.4 in (1585 mm)
Boom Swing - Right50 degrees
Vertical Wall117.8 in (2991 mm)
Cab Height100 in (2541 mm)
Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) (99 dB(A))
NoteEuropean Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008)72 dB(A) (72 dB(A))
Tip Over Protective Structure (TOPS)ISO 12117:1997
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Top GuardISO 10262:1998 (Level I)
Width - Wide96.5 in (2450 mm)
Width - Standard90.6 in (2300 mm)
Machine Swing Speed10.6 r/min (10.6 r/min)
Operating Pressure - Travel4134 psi (285 bar)
Maximum Auxiliary Circuit - Secondary - Flow at Pump9 gal/min (33 l/min)
Maximum Auxiliary Circuit - Primary - Flow at Pump35 gal/min (131 l/min)
Maximum Auxiliary Circuit - Secondary - Pressure at Pump4134 psi (285 bar)
Maximum Auxiliary Circuit - Primary - Pressure at Pump4134 psi (285 bar)
Digging Force - Stick - Standard9509 lb (42.3 kN)
Pump Flow at 2,400 rpm44 gal/min (167 l/min)
NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Long8032 lb (35.7 kN)
Operating Pressure - Equipment4134 psi (285 bar)
Operating Pressure - Swing3626 psi (250 bar)
Boom Swing - Left60 degrees

Benefits and Features

  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.

  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we‚Äôve built into the machine.

  • Maintenance is quick and easy on the Cat Mini Excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator was designed with reducing your operating costs in mind.

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

Standard Equipment

  • Cat C3.3B 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)
  • Electronic Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
  • Power On Demand
  • Hydraulic Temperature Monitoring
  • Certified Accumulator
  • HYDO Advanced Hydraulic Oil
  • Top Guard ISO 10262 1998 Level I
  • ROPS ISO 12117-2:2008
  • 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
  • Tie Down Eyes on Track Frame
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • One Piece Boom (3400 mm/133.9 in)
  • 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

  • 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
  • Long Stick (2360 mm/92.9 in)
  • 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
  • Variable Angle Boom (refer to 308 CR VAB brochure for VAB specs and additional information)