307.5 Mini Hydraulic Excavator

307.5 Mini Hydraulic Excavator

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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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Engine

Engine Model
Cat C2.4 Turbo
Net Power
54.8HP
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
Bore
3.4in
Displacement
148in³
Stroke
4in

Weights

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

Blade

Height
17in
Width
90in

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.

Hydraulic System

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

Certification - Cab

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

Dimensions - Long Stick

Boom In Reach
88.6in
Cab Height
100in
Dig Depth
182.8in
Ground Clearance
14.6in
Maximum Blade Depth
16in
Maximum Blade Height
14.6in
Maximum Dig Height
305.7in
Maximum Dump Clearance
225.1in
Maximum Reach
267.9in
Maximum Reach - Ground Level
262.6in
O/A Track Width
86.6in
O/A Undercarriage Length
108.7in
Stick Length
86.9in
Swing Bearing - Height
29.7in
Tail Swing with Counterweight
76in
Tail Swing without Counterweight
70.9in
Track Belt/Shoe Width
17.7in
Vertical Wall
161.9in
Width over Upper House
88.6in
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.

Dimensions - Standard Stick

Boom In Reach
66.2in
Cab Height
100in
Dig Depth
161.4in
Ground Clearance
14.6in
Maximum Blade Depth
16in
Maximum Blade Height
14.6in
Maximum Dig Height
289.3in
Maximum Dump Clearance
208.6in
Maximum Reach
247.9in
Maximum Reach - Ground Level
242.1in
O/A Track Width
86.6in
O/A Undercarriage Length
108.7in
Stick Length
65.6in
Swing Bearing - Height
29.7in
Tail Swing with Counterweight
76in
Tail Swing without Counterweight
70.9in
Track Belt/Shoe Width
17.7in
Vertical Wall
141.6in
Width over Upper House
88.6in
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.

Service Refill Capacities

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

Sound

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

Swing System

Machine Swing Speed
10r/min

Travel System

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

Weight Increase from Minimum Configuration

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

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.

Standard Equipment:

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