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307.5 Mini Hydraulic Excavator

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Overview

The Cat^® 307.5 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

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ALL DAY COMFORT

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.

EASY TO OPERATE

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

STICK STEER TRAVEL MODE

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!

BIG PERFORMANCE IN A MINI DESIGN

Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, and blade float allows for easy grading.

SAFETY ON THE JOB SITE

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’ve built into the machine.

SIMPLE SERVICE FOR LESS DOWNTIME

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.

LOWER OPERATING COSTS

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.

UNMATCHED DEALER SUPPORT

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.

SUSTAINABILITY

The Cat® C2.4 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.

Engine

Net Power: 54.8hp
Engine Model: Cat C2.4 Turbo
Displacement: 148in³
Gross Power - ISO 14396: 57.9HP
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269: 55.9HP
Bore: 3.4in
Stroke: 4in
Gross Power - SAE J1995: 57.9hp
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269: 54.8hp

Weights

Operating Weight: 17905lb
Note (2): **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Maximum Operating Weight with Cab**: 17905lb
Minimum Operating Weight with Cab*: 16549lb
Note (1): *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

Dimensions - Long Stick

Dig Depth: 182.8in
Cab Height: 100in
Maximum Blade Height: 14.6in
Track Belt/Shoe Width: 17.7in
Maximum Dump Clearance: 225.1in
O/A Undercarriage Length: 108.7in
O/A Track Width: 86.6in
Transport Height: 105in
Vertical Wall: 161.9in
Width over Upper House: 88.6in
Boom In Reach: 88.6in
Stick Length: 86.9in
Tail Swing with Counterweight: 76in
Maximum Reach: 267.9in
Ground Clearance: 14.6in
Swing Bearing - Height: 29.7in
O/A Shipping Length: 246in
Tail Swing without Counterweight: 70.9in
Maximum Dig Height: 305.7in
Maximum Blade Depth: 16in
Maximum Reach - Ground Level: 262.6in
Height - Boom Transport - No Tools: 100.4in
Overall Shipping Length - without Counterweight: 240.9in
Overall Shipping Length - with Counterweight: 246.1in
Note (1): Boom Height when stick is pinned in transport position with no attachments.
Height - Boom Working - With Tools: 124in
Note (2): Boom Height when stick is pinned in working position with attachments.

Blade

Height: 17in
Width: 90in

Hydraulic System

Type: Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing: 3626psi
Auxiliary Circuit - Secondary - Pressure: 4134psi
Pump Flow at 2,400 rpm: 44gal/min
Digging Force - Stick - Standard: 8504lb
Auxiliary Circuit - Primary - Pressure: 4134psi
Operating Pressure - Travel: 4134psi
Operating Pressure - Equipment: 4134psi
Auxiliary Circuit - Primary - Flow: 35gal/min
Auxiliary Circuit - Secondary - Flow: 9gal/min
Digging Force - Stick - Long: 7579lb
Digging Force - Bucket: 12272lb
Note: Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Secondary - Flow at Pump: 9gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump: 4134psi
Maximum Auxiliary Circuit - Primary - Flow at Pump: 35gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump: 4134psi

Travel System

Maximum Traction Force - Low Speed: 14035lb
Maximum Traction Force - High Speed: 5856lb
Travel Speed - High: 3.1mile/h
Ground Pressure - Maximum Weight: 5.5psi
Travel Speed - Low: 1.9mile/h
Gradeability - Maximum: 30 degrees
Ground Pressure - Minimum Weight: 5.1psi

Dimensions - Standard Stick

Tail Swing with Counterweight: 76in
Vertical Wall: 141.6in
Transport Height: 101in
Tail Swing without Counterweight: 70.9in
Stick Length: 65.6in
Boom In Reach: 66.2in
Track Belt/Shoe Width: 17.7in
Ground Clearance: 14.6in
O/A Track Width: 86.6in
Maximum Reach - Ground Level: 242.1in
O/A Undercarriage Length: 108.7in
Width over Upper House: 88.6in
Maximum Reach: 247.9in
Swing Bearing - Height: 29.7in
Maximum Blade Height: 14.6in
Maximum Blade Depth: 16in
Dig Depth: 161.4in
O/A Shipping Length: 242in
Maximum Dump Clearance: 208.6in
Cab Height: 100in
Maximum Dig Height: 289.3in
Height - Boom Working - With Tools: 107.5in
Overall Shipping Length - with Counterweight: 245.3in
Note (2): Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - without Counterweight: 240.2in
Height - Boom Transport - No Tools: 101.2in
Note (1): Boom Height when stick is pinned in transport position with no attachments.

Weight Increase from Minimum Configuration

Long Stick: 181lb
Counterweight: 552lb
Steel Tracks with Pads: 628lb

Service Refill Capacities

Cooling System: 2.6gal (US)
Hydraulic System: 29gal (US)
Hydraulic Tank: 14gal (US)
Fuel Tank: 38gal (US)
Engine Oil: 2.5gal (US)

Sound

Operator Sound Pressure (ISO 6396:2008): 72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008): 98dB(A)
Note: European Union Directive “2000/14/EC”

Swing System

Machine Swing Speed: 10r/min

Certification - Cab

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

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 .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.

Sustainability

Recyclability: 96%

Standard/Optional Features

Standard Equipment:

Engine
- Cat C2.4 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 ( –37° F)
Hydraulics
- Smart Tech Electronic Pump
- 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
- 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 (cab machines only)
  – 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
Undercarriage
- Greased and Lubricated Track
- Tie Down Eyes on Track Frame
- Dozer Straight Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
Boom, Stick And Linkages
- One Piece Boom (3700 mm/145.7 in)
- Standard Stick (1665 mm/65.6 in)
- Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (optional in some regions)
Electrical
- 12 Volt Electrical System
- 90 Ampere Alternator
- 900 CCA Maintenance Free Battery
- Battery Disconnect
- Ignition Key Stop Switch
- Product Link^™ Basic (regulations apply)
- Travel Alarm
Other
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

Optional Equipment:

Operator Environment
- Air Suspension Heated Seat
- Rain Visor
- Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
  – Jog Dial Control Interface
  – Touch Screen
  – Site Reference System
  – High Definition Camera Capable (IP68 & IP69K)
  – Numeric Security Code
Undercarriage
- 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
- Long Stick (2200 mm/86.6 in)
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Bucket Linkage with Lift Eye
Electrical
- Product Link Elite (regulations apply)
- Rearview Camera
- Rotating Beacon
Guarding
- Heavy Duty Front Guard ISO 10262 1998 Level II
- Mesh Front Guard ISO 10262 1998 Level I
- Overhead Cab Guard ISO 10262 1998 Level II
- Polycarbonate Front Window EN356 P5A (Cab Only)
- Track Guards
Other
- Water Jacket Heater
- Refueling Pump

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307.5 Mini Hydraulic Excavator