2022 Caterpillar Mini Excavators 308 CR
- Year 2022
- Make Caterpillar
- Model Mini Excavators
- Engine Model: Cat C3.3B
2022 Caterpillar Mini Excavators 308 CR
OVERVIEWThe Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Features may include:
ALL DAY COMFORT- 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 the Cat Stick Steer option. 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 helps you get the job done more efficiently, and dig-to-blade 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’ve 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.
Engine
Engine
Model: Cat C3.3B
Engine Power
Net: 69.5 HP | Gross - SAE J1995: 74.3 HP | Rated Net - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269: 69.5 HP
Displacement
203 in³
Stroke
4.7 in
Bore
3.7 in
Operational
Operating Conditions
Maximum Traction Force - High Speed: 6250 lb | Maximum Traction Force - Low Speed: 15175 lb | Gradeability - Maximum: 30 degrees | Digging Force - Bucket: 13946 lb | Digging Force - Stick - Long: 8032 lb | Digging Force - Stick - Standard: 9509 lb
Operating Speed
Travel Speed - High: 3.2 mile/h | Travel Speed - Low: 1.9 mile/h | Machine Swing: 10.6 r/min
Ground Pressure
Maximum Weight: 5.8 psi | Minimum Weight: 5.4 psi
Performance
Noise Level
Operator Sound Pressure (ISO 6396:2008): 72 dB(A) | Average Exterior Sound Pressure (ISO 6395:2008): 99 dB(A)
Hydraulics
Hydraulic Flow
Pump Flow at 2,400 rpm: 44 gal/min | Maximum Auxiliary Circuit - Primary - Flow at Pump: 35 gal/min | Maximum Auxiliary Circuit - Secondary - Flow at Pump: 9 gal/min
Maximum Pressure
Operating Pressure - Travel: 4134 psi | Operating Pressure - Swing: 3626 psi | Operating Pressure - Equipment: 4134 psi | Maximum Auxiliary Circuit - Primary - Pressure at Pump: 4134 psi | Maximum Auxiliary Circuit - Secondary - Pressure at Pump: 4134 psi
Hydraulic Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Dimensions
Depth, Maximum
Maximum Blade Depth: 16 in | Dig Depth: 161.7 in | Dig Depth: 182.8 in | Maximum Blade Depth: 16 in
Width
Blade Standard: 90.6 in | Blade Wide: 96.5 in
Height
Blade: 17 in | Cab: 100 in | Maximum Blade: 14.6 in | Maximum Dig: 265.2 in | Swing Bearing: 29.7 in | Boom Working - With Tools**: 104.7 in | Boom Transport - No Tools*: 95.7 in | Maximum Dig: 277.1 in | Maximum Blade: 14.6 in | Cab: 100 in | Swing Bearing: 29.7 in | Boom Transport - No Tools*: 89 in | Boom Working - With Tools**: 120.1 in
Length
Stick: 71.7 in | O/A Undercarriage: 113.4 in | O/A Undercarriage: 113.4 in | Stick: 92.8 in
Dimensions
Boom Swing - Right: 50 degrees | Boom Swing - Left: 60 degrees | Vertical Wall: 117.8 in | Boom In Reach: 120.4 in | Tail Swing with Counterweight: 62.4 in | Boom Swing - Right: 36.8 in | Maximum Reach: 281.1 in| Boom Swing - Left: 23.8 in | Maximum Dump Clearance: 187.4 in | Maximum Reach - Ground Level: 273.6 in | Tail Swing without Counterweight: 57.1 in | Boom Swing - Left: 23.8 in | Tail Swing with Counterweight: 62.4 in | Maximum Dump Clearance: 199.7 in | Boom Swing - Right: 36.8 in | Maximum Reach: 300.7 in | Maximum Reach - Ground Level: 293.7 in | Boom In Reach: 126.6 in | Tail Swing without Counterweight: 57.1 in | Vertical Wall: 134 in
Track Width
Belt/Shoe: 17.7 in | O/A: 90.6 in | Belt/Shoe: 17.7 in | O/A: 90.6 in
Overall Length
Shipping - with Counterweight: 264 in | Shipping - without Counterweight: 258.8 in | Shipping - without Counterweight: 6872 mm (270.6 in) | Shipping - with Counterweight: 6872 mm (270.6 in)
Ground Clearance
STANDARD STICK: 13.8 in | LONG STICK: 13.8 in
Capacities
Cooling System
2.6 gal (US)
Oil capacity
Engine: 3 gal (US)
Hydraulic Capacity
System: 29 gal (US) | Tank: 14 gal (US)
Fuel Capacity
Tank: 39 gal (US)
Weights
Weight, In Running Order
Operating: 20077 lb | Maximum Operating with Cab**: 20077 lb | Minimum Operating with Cab*: 18610 lb
Weight
Steel Tracks with Pads: 752 lb | Counterweight: 552 lb | Long Stick: 146 lb