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307E2 Mini Hydraulic Excavator

The Cat® 307E2 Mini Hydraulic Excavator delivers high performance, durability and versatility in a standard tail swing design to help you work in a variety of applications.

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SPECIFICATION SUMMARY
  • Engine Model Cat® C2.4 Turbo
  • Net Power 50.6 hp
  • Operating Weight 16028 lb
  • Digging Force – Stick (standard) 8340 lbf

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C2.4 Turbo
  • Net Power
    50.6 hp
  • Bore
    3.4 in
  • Displacement
    146.5 in3
  • Gross Power (ISO 14396)
    53.1 hp
  • Note
    Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
  • Stroke
    4.0 in
  • Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
    50.6 HP
  • Engine Model
    Cat® C2.4 Turbo
  • Net Power
    50.6 HP
  • Bore
    3.4 in
  • Displacement
    146.5 in³
  • Gross Power - ISO 14396
    53.1 HP
  • Note
    Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
  • Stroke
    4 in

Weights

  • Operating Weight
    16028 lb
  • Operating Weight - With Cab
    16028 lb
  • Note (1)
    Weight with steel tracks with rubber pads, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
  • Note (2)
    Weight varies depending on machine configuration.
  • Operating Weight
    16028 lb
  • Note (2)
    Weight varies depending on machine configuration.

Hydraulic System

  • Digging Force – Stick (standard)
    8340 lbf
  • Operating Pressure – Equipment
    4061 psi
  • Operating Pressure – Swing
    4061 psi
  • Operating Pressure – Travel
    4061 psi
  • Pump Flow at 2,400 rpm
    40.9 gal/min
  • Operating Pressure - Travel
    4061 psi
  • Operating Pressure - Swing
    4061 psi
  • Auxiliary Circuit - Primary (280 bar/4,061 psi)
    33.8 gal/min
  • Auxiliary Circuit - Secondary (280 bar/4,061 psi)
    8.7 gal/min
  • Digging Force - Bucket
    11375 lbf
  • Digging Force - Stick - Standard
    8340 lbf
  • Note
    Load sensing hydraulics with variable displacement piston pump.
  • Operating Pressure - Equipment
    4061 psi
  • Pump Flow at 2,400 rpm
    40.9 gal/min

Swing System

  • Machine Swing Speed
    10.2 rpm
  • Note
    Automatic swing break, spring applied, hydraulic release.
  • Machine Swing Speed
    10.2 r/min
  • Note
    Automatic swing break, spring applied, hydraulic release.

Blade

  • Width
    90.6 in
  • Height
    17.5 in
  • Dig Depth
    15.3 in
  • Lift Height
    13.8 in
  • Width
    90.6 in

Service Refill Capacities

  • Cooling System
    3.7 gal
  • Engine Oil
    2.9 gal
  • Hydraulic Tank
    13.5 gal
  • Fuel Tank
    35.7 gal
  • Hydraulic System
    20.6 gal
  • Cooling System
    3.7 gal (US)
  • Engine Oil
    2.9 gal (US)
  • Hydraulic Tank
    13.5 gal (US)
  • Fuel Tank
    35.7 gal (US)
  • Hydraulic System
    20.6 gal (US)

Travel System

  • Ground Pressure
    4.92 psi
  • Gradeability (maximum)
    20°
  • Maximum Traction Force – High Speed
    7599 lbf
  • Maximum Traction Force – Low Speed
    13331 lbf
  • Maximum Traction Force - High Speed
    7599 lbf
  • Maximum Traction Force - Low Speed
    13331 lbf
  • Note (1)
    Each track is driven by one independent 2-speed motor.
  • Note (2)
    Drive modules are integrated into the roller frame for total protection.
  • Note (3)
    Straight line travel when tracking and operating the front linkage simultaneously.
  • Ground Pressure
    4.92 psi
  • Gradeability - Maximum
    20°
  • Travel Speed - High
    3.17 mile/h
  • Travel Speed - Low
    1.99 mile/h

Operating Specifications

  • Stick Length – Standard
    5.5 ft
  • Machine Overhang
    1.2 ft
  • Stick Length - Standard
    5.5 ft

Cab

  • Average Exterior Sound Pressure
    98 dB(A) ISO 6395 – Dynamic Test

Undercarriage

  • Number of Carrier Rollers
    1 per side
  • Number of Track Rollers
    5 per side
  • Track Roller Type
    Center flange
  • Number of Carrier Rollers
    1 per side
  • Number of Track Rollers
    5 per side
  • Track Roller Type
    Center flange

Dimensions - Standard Stick

  • Dig Depth
    13.4 ft
  • Vertical Wall
    11.9 ft
  • Maximum Reach - Ground Level
    20.2 ft
  • Maximum Reach
    20.7 ft
  • Maximum Dig Height
    23.8 ft
  • Maximum Dump Clearance
    17 ft
  • Boom In Reach
    5.5 ft
  • Tail Swing - Standard Counterweight
    5.7 ft
  • Maximum Blade Height
    1.3 ft
  • Maximum Blade Depth
    1.1 ft
  • Boom Height - Shipping Position
    8.6 ft
  • O/A Shipping Height
    8.6 ft
  • Swing Bearing - Height
    2.5 ft
  • O/A Undercarriage Length
    9 ft
  • O/A Shipping Length
    19.9 ft
  • Track Belt/Shoe Width
    1.5 ft
  • O/A Track Width
    7.2 ft

QUALITY

The standard tail swing design incorporates a counterweight that extends further back on the machine for greater stability. The standard tail swing paired with a fixed boom on the 307E2 provides superior reach and lift. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine, able to meet the requirements of any job site. 180 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

PERFORMANCE

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing. Rearview camera improves operator productivity and efficiency through increased visibility, making work easier to complete.

SERVICEABILITY

Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on front implement, S·O·SSM oil sampling valve and overall long term durability.

QUALITY

All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level II certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).

Standard Equipment:

  • Engine
    • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
    • Automatic engine idle
    • Automatic engine shut-off
    • Automatic two speed travel
    • Diesel Particulate Filter (North America only)
    • Diesel Oxidation Catalyst (North America only)
    • Fuel and water separator
    • Power on demand
  • Hydraulic System
    • 1-way and 2-way (combined function)
    • Accumulator
    • Automatic swing parking brake
    • Auxiliary hydraulic lines
    • Adjustable auxiliary relief
    • Auxiliary line quick disconnects
    • Boom lowering check valve (available only in Europe)
    • Cat interlock system: hydraulic lockout
    • Continuous auxiliary flow
    • Ecology drain
    • Hydraulic oil cooler
    • High definition hydraulics
    • Load sensing/flow sharing
    • Quick coupler lines
    • Secondary auxiliary hydraulic lines
    • Stick lowering check valve (available only in Europe)
  • Operator Environment
    • 100% pilot control ergonomic joysticks
    • Adjustable armrests
    • Air conditioning/heat
    • COMPASS: complete, operation, maintenance, performance and security system
      • Multiple languages
    • Cup holder
    • High back suspension seat, heated
    • Hydraulic neutral lockout bar
    • Interior light
    • Literature holder
    • Pattern changer (optional in Europe)
    • Radio (optional in Europe)
    • Site reference system: leveling
    • Tool storage area
    • Travel control pedals with hand levers
    • Washable floor mat
    • Windshield wiper
  • Undercarriage
    • Dozer blade with float function
    • Tie down eyes on track frame
    • Towing eye on base frame
  • Front Linkage
    • 180 degree bucket rotation
    • Certified lifting eye on bucket linkage (optional in Europe)
    • Front shovel capable
    • Thumb ready stick
  • Electrical
    • 12 volt electrical system
    • 60 ampere alternator
    • 650 CCA maintenance free battery
    • Fuse box
    • Ignition key start/stop switch
    • Slow blow fuse
    • Warning horn
  • Lights And Mirrors
    • Cab and boom light with time delay capability
    • Mirror, rear view, cab left
  • Safety And Security
    • Anti-theft system (COMPASS)
    • Battery disconnect
    • Caterpillar Corporate “One Key” System
    • Door locks
    • Lockable fuel cap
    • Rearview camera
    • Retractable seat belt
    • Roll Over Protective Structure (ROPS) (ISO 12117-2)
    • Tip Over Protective Structure (TOPS) (ISO 12117)
    • Top guard – ISO 10262 (Level II)
    • Travel alarm (optional in Europe)

Optional Equipment:

  • Engine
    • Engine block heater
  • Undercarriage
    • Track, triple grouser (steel), 450 mm (18 in)
    • Track, triple grouser (steel) with rubber pad, 450 mm (18 in)
  • Front Linkage
    • Quick coupler: manual or hydraulic
    • Thumb
    • Buckets
    • Full range of performance matched work tools
      • Auger, hammer, shear, ripper
  • Lights And Mirrors
    • Mirror, cab rear
  • Safety And Security
    • Front wire mesh guard
    • Front steel plate guard
    • Rain guard
  • Technology
    • Product Link