307.5 Mini Hydraulic Excavator

Request a Free Quote
Download Brochure
View Related Used Equipment

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.

Engine

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

Weights

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

Blade

Height
17 in
Width
90 in

Dimensions - Long Stick

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

Dimensions - Standard Stick

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

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

Travel System

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

Weight Increase from Minimum Configuration

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

Service Refill Capacities

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

Sound

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

Swing System

Machine Swing Speed
10 r/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