308 CR VAB Mini Hydraulic Excavator

Overview

The Cat^® 308 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.

Key Features

More Comfort. More Performance. More Versatility.

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

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Specifications

Net Power	69.5 hp
Displacement	203 in³
Note	Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore	3.7 in
Gross Power - SAE J1995:2014	74.3 hp
Stroke	4.7 in
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC	69.5 hp
Engine Model - U.S. EPA Tier 4 Final/EU Stage V	Cat® C3.3B

Operating Weight	20385 lb
Note (1)	*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket.
Note (2)	**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket.
Maximum Operating Weight with Standard Stick**	20385 lb
Minimum Operating Weight with Standard Stick*	19084 lb

Counterweight	552 lb
Steel Tracks with Pads	752 lb

Maximum Traction Force - High Speed	6250 lbf
Travel Speed - Low	1.9 mile/h
Ground Pressure - Maximum Weight	5.9 psi
Travel Speed - High	3.2 mile/h
Gradeability - Maximum	30 degrees
Ground Pressure - Minimum Weight	5.5 psi
Maximum Traction Force - Low Speed	15175 lbf

Engine Oil	3 gal (US)
Cooling System	2.6 gal (US)
Hydraulic System	29 gal (US)
Hydraulic Tank	14 gal (US)
Fuel Tank	39 gal (US)

Digging Force - Bucket	13946 lbf
Operating Pressure - Equipment	4134 psi
Pump Flow at 2,400 rpm	44 gal/min
Operating Pressure - Travel	4134 psi
Digging Force - Stick - Standard	9509 lbf
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing	3626 psi
Note	Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump	4134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump	4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump	35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump	9 gal/min

Machine Swing Speed	10.6 r/min
Boom Swing - Right	50 degrees
Boom Swing - Left	60 degrees

Height	17 in
Width - Wide	96.5 in
Width - Standard	90.6 in

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

Operator Sound Pressure (ISO 6396:2008)	72 dB(A)
Note	European Union Directive "2000/14/EC"
Average Exterior Sound Pressure (ISO 6395:2008)	99 dB(A)

Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Dig Depth	150.2 in
Tail Swing with Counterweight	62.4 in
Maximum Blade Height	14.6 in
Track Belt/Shoe Width	17.7 in
Maximum Dump Clearance	135.8 in
Vertical Wall	99.2 in
Boom in Reach	122.8 in
Ground Clearance	13.8 in
Swing Bearing Height	29.8 in
Boom Swing Right	37 in
Overall Track Width	90.6 in
Overall Shipping Length	253.9 in
Transport Height	97.4 in
Cab Height	100 in
Overall Undercarriage Length	113.4 in
Maximum Reach	256.5 in
Tail Swing without Counterweight	57.1 in
Maximum Reach at Ground Level	248 in
Stick Length	71.7 in
Maximum Blade Depth	16 in
Boom Swing Left	24 in
Maximum Dig Height	205.5 in

Dig Depth	136.2 in
Overall Shipping Length	253.9 in
Stick Length	71.7 in
Track Belt/Shoe Width	17.7 in
Swing Bearing Height	29.8 in
Maximum Blade Depth	16 in
Maximum Reach at Ground Level	303.7 in
Transport Height	97.4 in
Boom in Reach	106.7 in
Overall Undercarriage Length	113.4 in
Maximum Reach	310.4 in
Maximum Dump Clearance	247.4 in
Ground Clearance	13.8 in
Vertical Wall	146.7 in
Tail Swing with Counterweight	62.4 in
Tail Swing without Counterweight	57.1 in
Boom Swing Left	24 in
Maximum Blade Height	14.6 in
Cab Height	100 in
Maximum Dig Height	322 in
Boom Swing Right	37 in
Overall Track Width	90.6 in