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.

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.
Rated Net Power @ 2,200 rpm (ISO 9249/EEC 80/1269): 50.6 hp
Stroke: 4.0 in

Weights

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

Travel System

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

Hydraulic System

Note: Load sensing hydraulics with variable displacement piston pump.
Digging Force – Bucket: 11375 lbf
Digging Force – Stick (standard): 8340 lbf
Auxiliary Circuit – Primary (280 bar/4,061 psi): 33.8 gal/min
Auxiliary Circuit – Secondary (280 bar/4,061 psi): 8.7 gal/min
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

Swing System

Machine Swing Speed: 10.2 rpm
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

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

Operating Specifications

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

Dimensions – Standard Stick

Dig Depth: 13.4 ft
Vertical Wall: 11.9 ft
Maximum Reach at Ground Level: 20.2 ft
Maximum Reach: 20.7 ft
Maximum Dig Height: 23.8 ft
Maximum Dump Clearance: 17.0 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 in Shipping Position: 8.6 ft
O/A Shipping Height: 8.6 ft
Swing Bearing Height: 2.5 ft
O/A Undercarriage Length: 9.0 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^™