308 CR Mini Hydraulic Excavator
308 CR Mini Hydraulic Excavator
308 CR Mini Hydraulic Excavator
308 CR Mini Hydraulic Excavator

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.

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Net Power 69.5 HP
Engine Model Cat C3.3B
Stroke 4.7 in
Bore 3.7 in
Gross Power - SAE J1995 74.3 HP
Displacement 203 in³
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 69.5 HP
Operating Weight 20077 lb
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.
Maximum Operating Weight with Cab** 20077 lb
Minimum Operating Weight with Cab* 18610 lb
Steel Tracks with Pads 752 lb
Counterweight 552 lb
Long Stick 146 lb
Maximum Traction Force - High Speed 6250 lb
Ground Pressure - Maximum Weight 5.8 psi
Ground Pressure - Minimum Weight 5.4 psi
Travel Speed - High 3.2 mile/h
Travel Speed - Low 1.9 mile/h
Maximum Traction Force - Low Speed 15175 lb
Gradeability - Maximum 30 degrees
Fuel Tank 39 gal (US)
Hydraulic System 29 gal (US)
Hydraulic Tank 14 gal (US)
Cooling System 2.6 gal (US)
Engine Oil 3 gal (US)
Digging Force - Bucket 13946 lb
Operating Pressure - Travel 4134 psi
Operating Pressure - Swing 3626 psi
Operating Pressure - Equipment 4134 psi
Digging Force - Stick - Long 8032 lb
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm 44 gal/min
Digging Force - Stick - Standard 9509 lb
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 - Standard 90.6 in
Width - Wide 96.5 in
Top Guard ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
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)
Cab Height 100 in
Vertical Wall 117.8 in
Boom In Reach 120.4 in
Tail Swing with Counterweight 62.4 in
Boom Swing - Right 36.8 in
Track Belt/Shoe Width 17.7 in
Maximum Reach 281.1 in
Stick Length 71.7 in
Maximum Blade Height 14.6 in
Boom Swing - Left 23.8 in
Maximum Blade Depth 16 in
O/A Track Width 90.6 in
Maximum Dig Height 265.2 in
Maximum Dump Clearance 187.4 in
Maximum Reach - Ground Level 273.6 in
Tail Swing without Counterweight 57.1 in
O/A Undercarriage Length 113.4 in
Swing Bearing - Height 29.7 in
Ground Clearance 13.8 in
Dig Depth 161.7 in
Note *Boom Height when stick is pinned in transport position with no attachments.
Overall Shipping Length - with Counterweight 264 in
Note (1) **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - without Counterweight 258.8 in
Note (2) ***With blade positioned at the rear of the machine.
Height - Boom Working - With Tools** 104.7 in
Height - Boom Transport - No Tools* 95.7 in
Dig Depth 182.8 in
Boom Swing - Left 23.8 in
Maximum Dig Height 277.1 in
Maximum Blade Height 14.6 in
Track Belt/Shoe Width 17.7 in
Cab Height 100 in
Tail Swing with Counterweight 62.4 in
O/A Undercarriage Length 113.4 in
Maximum Dump Clearance 199.7 in
Boom Swing - Right 36.8 in
Maximum Blade Depth 16 in
Ground Clearance 13.8 in
Stick Length 92.8 in
Maximum Reach 300.7 in
Maximum Reach - Ground Level 293.7 in
Boom In Reach 126.6 in
Swing Bearing - Height 29.7 in
O/A Track Width 90.6 in
Tail Swing without Counterweight 57.1 in
Vertical Wall 134 in
Note *Boom Height when stick is pinned in transport position with no attachments.
Note (2) ***With blade positioned at the rear of the machine.
Note (1) **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Height - Boom Transport - No Tools* 89 in
Height - Boom Working - With Tools** 120.1 in
Overall Shipping Length - without Counterweight 6872 mm (270.6 in)***
Overall Shipping Length - with Counterweight 6872 mm (270.6 in)***
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.

  • 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.

  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.

  • Moving around the job site is even easier with Cat Stick Steer. 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!

  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.

  • 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‚Äôve built into the machine.

  • 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.

  • 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.

  • Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.