CAT CAT®308.5 Mini hydraulic excavator
Product Feature
Cat® 308.5 mini excavator with compact size，Surging power and excellent performance，Easily handle a wide range of applications。
Site safety
Your safety is our top priority.。Cat Mini excavators are specially designed，Helps you work safely at all times。We have many safety features in the machine.，Uch as a work light delay-off feature and a retractable fluorescent safety belt。
All-weather comfort experience
Sealed, pressurized cab with improved air conditioning、Adjustable wrist rest and suspension seat，Helps you work comfortably throughout the day。
And is easy to operate
Controls are easy to use。Next-generation monitors offer customizable preferences，Machine information is intuitive and easy to read。
Single Handle Travel Mode
Use Cat Handle travel mode，The movement of that device can be more easily control。Just press the button.，You can switch from conventional ride control using the joystick and foot pedal to joystick control。New controls make operation easier，Everything is under control.。
Mini in shape but excellent in performance
Better lifting ability、Slewing capacity、Ride ability and versatility help you get the job done more efficiently，And“Bucket shovel fit”Function for easy cleanup。
Easy to maintain，Reduce downtime
Cat Mini excavators are easier to maintain、Convenient。Maintenance points are centralized，Maintenance panel is sturdy。Stand on the ground.，Daily checkpoints can be easily checked。
Lower operating costs
Cat Mini excavators are equipped with automatic idle speed、Automatic energy-saving shutdown of engine（Off by default）、Functions such as efficient hydraulic system and variable displacement pump，Designed to reduce your operating costs。
Unmatched Dealer Support
Cat Dealers are ready to help you achieve your business goals。From equipment solutions to operator training，Then to maintenance services and so on.，Cat Agents are always available to assist you.。
Product Parameter
Engine |
|
Engine model |
Cat C3.3B |
The speed is 2200 rpm At the time |
51.8 kW |
Total power ISO 14396 |
55.4 kW |
Cylinder bore |
94 mm |
Stroke |
120 mm |
Displacement |
3.33 L |
Weight |
|
Minimum Operating Weight（Cab included） |
8334 kg |
Maximum operating weight（Cab included） |
8668 kg |
**Minimum weight based on steel track、 |
|
**Maximum weight based on steel track、 |
|
Weight increase for minimum configuration |
|
Counterweight |
250 kg |
Blade |
333 kg |
Travel system |
|
Travel speed – High speed |
4.4 km/h |
Travel speed – Low speed |
2.7 km/h |
Maximum traction – High speed |
29.3 kN |
Maximum traction – Low speed |
71 kN |
Ground pressure – Minimum weight |
36.2 kPa |
Ground pressure – Maximum weight |
37.6 kPa |
Gradeability（Max） |
30 degrees |
Maintenance refill capacity |
|
Cooling system |
10.0 L |
Engine oil |
11.2 L |
Fuel tank |
145 L |
Hydraulic oil tank |
53 L |
Hydraulic system |
104 L |
Hydraulic system |
|
Equipped with variable displacement piston pump |
|
The speed is 2400 rpm Pump flow at |
167 L/min |
Work pressure – Equipment |
285 bar |
Work pressure – Drive |
285 bar |
Work pressure – Turn around |
250 bar |
Main auxiliary circuit |
|
Flow rate |
131 L/min |
Pressure |
285 bar |
Digging force – Arm（Standard） |
41.7 kN |
Digging force – Bucket |
61.5 kN |
Slewing system |
|
Machine swing speed |
10.6 rpm |
Blade |
|
Width（Standard） |
2300 mm |
Width（Wide type） |
2450 mm |
Height |
431 mm |
Certification - Cab |
|
Roll-over protection structures（ROPS） |
ISO 12117-2:2008 |
Anti-rollover protection structures（TOPS） |
ISO 12117:1997 |
Top shield |
ISO 10262:1998（II Level） |
Noise |
|
Operator sound pressure |
72 dB（A） |
Average external sound pressure |
99 dB（A） |
Size |
|
Standard stick |
|
1 Excavation depth |
4202 mm |
2 Maximum Vertical Digging Depth |
3375 mm |
3 Maximum ground reach |
6214 mm |
4 Maximum Reach |
6370 mm |
5 Maximum Digging Height |
7374 mm |
6 Max. unloading height |
5339 mm |
7Boom retract position |
1812 mm |
8 Rear radius of gyration（With counterweight） |
1995 mm |
Tail radius of gyration（No counterweight） |
1800 mm |
9Maximum blade height |
363 mm |
10Maximum Blade Depth |
414 mm |
11 Transport height |
2682 mm |
12 Cab height |
2574 mm |
13Swing bearing height |
789 mm |
14Overall undercarriage length |
2880 mm |
15 Total length of transportation |
6190 mm |
16 Shoe width |
450 mm |
17Overall width of track |
2300 mm |
18 Ground clearance |
403 mm |
19Stick length |
1820 mm |
