At a glance data:
Engine Model:
Cat® C2.8 Turbo
Overview
The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Category:
Mini Excavators
Category:
Mini Excavators
Brand:
Cat
Brand:
Cat
Engine
Net Power:
69hp
Engine Model:
Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC:
69hp
Gross Power - ISO 14396:
74.3hp
Bore:
3.5in
Stroke:
4.3in
Displacement:
171in³
Note:
Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
Note (1):
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2):
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Weights
Operating Weight:
18659lb
Minimum Operating Weight with Cab*:
16707lb
Maximum Operating Weight with Cab**:
18659lb
Note (1):
*Minimum Weight is based on rubber 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.
Weight Increase from Minimum Configuration
Counterweight:
551lb
Long Stick:
187lb
Steel Tracks with Pads:
662lb
Travel System
Travel Speed - High:
3mile/h
Travel Speed - Low:
1.8mile/h
Maximum Traction Force - High Speed:
6587lb
Maximum Traction Force - Low Speed:
15962lb
Ground Pressure - Minimum Weight:
4.8psi
Ground Pressure - Maximum Weight:
5.4psi
Gradeability - Maximum:
30 degrees
Service Refill Capacities
Cooling System:
2.6gal (US)
Engine Oil:
2.3gal (US)
Fuel Tank:
38gal (US)
Hydraulic Tank:
14gal (US)
Hydraulic System:
29gal (US)
Hydraulic System
Type:
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm:
44gpm
Operating Pressure - Equipment:
4134psi
Operating Pressure - Travel:
4134psi
Operating Pressure - Swing:
3626psi
Maximum Auxiliary Circuit - Primary - Flow at Pump:
35gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump:
4134psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump:
9gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump:
4134psi
Digging Force - Stick - Standard:
9285lb
Digging Force - Stick - Long:
8250lb
Digging Force - Bucket:
13241lb
Note:
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Swing System
Machine Swing Speed:
10r/min
Blade
Width - Standard:
90.6in
Width - Wide:
96.5in
Height:
17in
Certification - Cab
Roll Over Protective Structure (ROPS):
ISO 12117-2:2008
Top Guard:
ISO 10262:1998 (Level I)
Dimensions - Standard Stick
Dig Depth:
163in
Vertical Wall:
142in
Maximum Reach - Ground Level:
246in
Maximum Reach:
252in
Maximum Dig Height:
291in
Maximum Dump Clearance:
207in
Boom In Reach:
66in
Tail Swing with Counterweight:
56in
Tail Swing without Counterweight:
51in
Maximum Blade Height:
14.6in
Maximum Blade Depth:
16in
Height - Boom Transport - No Tools*:
97in
Height - Boom Working - With Tools**:
105in
Cab Height:
100in
Swing Bearing - Height:
30in
O/A Undercarriage Length:
113in
Overall Shipping Length - with Counterweight:
228in
Overall Shipping Length - without Counterweight:
222in
Track Belt/Shoe Width:
18in
O/A Track Width:
91in
Ground Clearance:
14in
Stick Length:
66in
Note:
*Boom Height when stick is pinned in transport position with no attachments.
Note (1):
**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
Note (2):
***With blade positioned at the rear of the machine.
Dimensions - Long Stick
Dig Depth:
185in
Vertical Wall:
162in
Maximum Reach - Ground Level:
266in
Maximum Reach:
272in
Maximum Dig Height:
307in
Maximum Dump Clearance:
223in
Boom In Reach:
89in
Tail Swing with Counterweight:
56in
Tail Swing without Counterweight:
51in
Maximum Blade Height:
14.6in
Maximum Blade Depth:
16in
Height - Boom Transport - No Tools*:
100in
Height - Boom Working - With Tools**:
121in
Cab Height:
100in
Swing Bearing - Height:
30in
O/A Undercarriage Length:
113in
Overall Shipping Length - with Counterweight:
5800 mm (228 in)***
Overall Shipping Length - without Counterweight:
5665 mm (223 in)***
Track Belt/Shoe Width:
18in
O/A Track Width:
91in
Ground Clearance:
14in
Stick Length:
87in
Note:
*Boom Height when stick is pinned in transport position with no attachments.
Note (1):
**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Note (2):
***With blade positioned at the rear of the machine.
Air Conditioning System
Air Conditioning:
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
Sound
Operator Sound Pressure (ISO 6396:2008):
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008):
99dB(A)
Note:
European Union Directive "2000/14/EC"
Sustainability
Recyclability:
96%
Standard Equipment
Optional Equipment
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