307.5 Mini Hydraulic Excavator

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 the Cat Stick Steer option. 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 dig-to-blade allows for easy clean up.
 

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.
 

Engine

Net Power34.9kW46.8hp
Displacement2.43l148in³
Stroke102mm4in
Gross Power - SAE J1995:201436.5kW48.9hp
Rated Net Power - 2,400 rpm - China Nonroad Stage III, Brazil MAR-1, Equivalent to EU Stage IIIA - ISO 9249/EEC 80/126934.9kW46.8hp
Bore87mm3.4in
Engine ModelCat C2.4 Turbo

Weights

Operating Weight8233kg18152lb
Maximum Operating Weight with Cab**8233kg18152lb
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.
Minimum Operating Weight with Cab*7532kg16605lb

Dimensions - Long Stick

Dig Depth4649mm183in
Maximum Dump Clearance5710mm225in
Swing Bearing - Height756mm30in
O/A Undercarriage Length2760mm109in
Boom In Reach2250mm89in
Maximum Reach6805mm268in
Tail Swing with Counterweight1995mm79in
Track Belt/Shoe Width450mm18in
Cab Height2534mm100in
Transport Height2656mm105in
Maximum Reach - Ground Level6671mm263in
O/A Track Width2200mm87in
Stick Length2208mm87in
Maximum Dig Height7758mm305in
Maximum Blade Depth414mm16in
Ground Clearance370mm15in
O/A Shipping Length6257mm246in
Width over Upper House2250mm89in
Vertical Wall4120mm162in
Maximum Blade Height363mm14in
Tail Swing without Counterweight1800mm71in

Blade

Height431mm17in
Width2280mm90in

Hydraulic System

Digging Force - Stick - Standard37.8kN8504lb
Auxiliary Circuit - Primary - Pressure285bar4134psi
Operating Pressure - Swing250bar3626psi
Operating Pressure - Equipment285bar4134psi
Digging Force - Stick - Long33.7kN7579lb
Pump Flow at 2,400 rpm167l/min44gal/min
Auxiliary Circuit - Primary - Flow131l/min35gal/min
Operating Pressure - Travel285bar4134psi
Auxiliary Circuit - Secondary - Flow33l/min9gal/min
Digging Force - Bucket54.6kN12272lb
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Pressure285bar4134psi

Travel System

Maximum Traction Force - High Speed26.1kN5856lb
Gradeability - Maximum30 degrees
Ground Pressure - Minimum Weight32.7kPa5psi
Ground Pressure - Maximum Weight35.7kPa5psi
Maximum Traction Force - Low Speed62.4kN14035lb
Travel Speed - Low3.1km/h1.9mile/h
Travel Speed - High5km/h3.1mile/h

Weight Increase from Minimum Configuration

Long Stick82kg181lb
Counterweight250kg552lb
Steel Tracks with Pads285kg628lb

Dimensions - Standard Stick

Boom In Reach1681mm66in
O/A Track Width2200mm87in
Dig Depth4107mm162in
Ground Clearance370mm15in
Cab Height2534mm100in
Tail Swing without Counterweight1800mm71in
Maximum Blade Depth414mm16in
Width over Upper House2250mm89in
Track Belt/Shoe Width450mm18in
Maximum Dig Height7341mm289in
Tail Swing with Counterweight1995mm79in
Swing Bearing - Height756mm30in
Maximum Reach6297mm248in
Maximum Reach - Ground Level6152mm242in
Maximum Dump Clearance5293mm208in
Maximum Blade Height363mm14in
O/A Undercarriage Length2760mm109in
O/A Shipping Length6144mm242in
Stick Length1665mm66in
Transport Height2558mm101in
Vertical Wall3604mm142in

Service Refill Capacities

Engine Oil9.5l2.5gal (US)
Hydraulic Tank53l14gal (US)
Hydraulic System104l27gal (US)
Fuel Tank145l38gal (US)
Cooling System10l2.6gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)98dB(A)98dB(A)
Operator Sound Pressure (ISO 6396:2008)72dB(A)72dB(A)

Swing System

Machine Swing Speed10r/min10r/min

Certification - Cab

Top GuardISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)ISO 12117-2:2008
Tip Over Protective Structure (TOPS)ISO 12117:1997
Hotline +597 404111
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