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307E2 Mini Hydraulic Excavator Specifications
Engine Model Cat® C2.4 Turbo
Engine Model Cat® C2.4 Turbo
Net Power 50.6 hp
Net Power 50.6 HP

Engine

Engine Model
Cat® C2.4 Turbo
Engine Model
Cat® C2.4 Turbo
Net Power
50.6 hp
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
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
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.

Travel System

Ground Pressure
4.92 psi
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
Gradeability - Maximum
20°
Travel Speed - High
3.17 mile/h
Travel Speed - Low
1.99 mile/h
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.

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

Blade

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

Service Refill Capacities

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

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
  • 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)
  • 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